CN212137986U - Ignition circuit and device - Google Patents
Ignition circuit and device Download PDFInfo
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- CN212137986U CN212137986U CN202020730043.6U CN202020730043U CN212137986U CN 212137986 U CN212137986 U CN 212137986U CN 202020730043 U CN202020730043 U CN 202020730043U CN 212137986 U CN212137986 U CN 212137986U
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
An ignition circuit and device comprises a timing circuit, a switch circuit, a rectification circuit, an oscillation circuit and a transformation circuit. The timing circuit outputs a control signal with preset duration, the switch circuit is conducted and outputs a power supply enabling signal when receiving the control signal, the rectifying circuit converts an alternating current signal into a direct current signal and outputs the direct current signal when receiving the power supply enabling signal, the oscillating circuit outputs a high-frequency pulse signal after receiving the direct current signal, and the voltage transformation circuit boosts the high-frequency pulse signal and outputs the high-frequency pulse signal to the test lamp so as to light the test lamp. According to the ignition circuit and the ignition device, the timing circuit outputs the control signal with the preset duration, so that the working duration of the oscillating circuit is limited by the timing circuit, the test lamp completes triggering ignition within a certain duration, the phenomenon that the service life of the test lamp and other parts is shortened or even the test lamp and other parts are damaged due to the overlong triggering time is avoided, and the safety of the whole circuit is improved.
Description
Technical Field
The application belongs to the technical field of sunlight simulation, and particularly relates to an ignition circuit and an ignition device.
Background
The sunlight simulation test lamp is triggered by an ignition trigger, the ignition trigger boosts the coil, and the triggering is stopped after the test lamp is lighted. However, at present, the conventional ignition trigger circuit cannot guarantee the trigger duration, and when the trigger duration is too long, the life of the test lamp and other parts is easily shortened, even the test lamp and other parts are damaged, and the safety is low.
Therefore, the ignition triggering technical scheme of the traditional sunlight simulation test lamp has the problems that the triggering time cannot be ensured, when the triggering time is too long, the service lives of the test lamp and other parts are easily shortened, even the test lamp and other parts are damaged, and the safety is low.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an ignition circuit and an ignition device, and aims to solve the problems that the ignition triggering technical scheme of the traditional sunlight simulation test lamp cannot guarantee the triggering duration, the service life of the test lamp and other parts is shortened easily when the triggering duration is too long, the test lamp and other parts are damaged, and the safety is low.
A first aspect of an embodiment of the present application provides an ignition circuit, including:
a timing circuit configured to output a control signal of a preset duration;
the switch circuit is connected with the timing circuit, is configured to be conducted when only receiving the control signal and transmits a power supply enabling signal;
the rectification circuit is connected with the switch circuit and is configured to convert an alternating current signal into a direct current signal and output the direct current signal when receiving the power supply enabling signal;
the oscillating circuit is connected with the rectifying circuit and is configured to output a high-frequency pulse signal after receiving the direct-current signal;
and the voltage transformation circuit is connected with the oscillation circuit and the test lamp and is configured to boost the high-frequency pulse signal and output the boosted high-frequency pulse signal to the test lamp so as to light the test lamp.
A second aspect of the embodiments of the present application provides an ignition device including:
the ignition circuit described above; and
and the power supply circuit is connected with the timing circuit and is configured to output a power supply signal to the timing circuit so as to supply power for the operation of the timing circuit.
Compared with the prior art, the embodiment of the utility model beneficial effect who exists is: according to the ignition circuit and the ignition device, the timing circuit outputs the control signal with the preset duration, so that the working duration of the oscillating circuit is limited by the timing circuit, the test lamp completes triggering ignition within a certain duration, the phenomenon that the service life of the test lamp and other parts is shortened due to the overlong triggering time, even the test lamp and other parts are damaged is avoided, and the safety of the whole circuit is improved.
Drawings
Fig. 1 is a schematic block diagram of an ignition circuit according to a first aspect of an embodiment of the present disclosure;
fig. 2 is a schematic block diagram of an ignition circuit according to another embodiment of the present application;
FIG. 3 is an exemplary circuit schematic of the ignition circuit shown in FIG. 2;
fig. 4 is a schematic block diagram of an ignition device according to a second aspect of the embodiment of the present application.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a schematic block diagram of an ignition circuit according to an embodiment of the present application is shown, for convenience of description, only the parts related to the embodiment are shown, and the following details are described:
an ignition circuit is used for connecting a test lamp 100. The test fixture 100 is used for a sunlight simulation test.
The ignition circuit includes a timing circuit 10, a switching circuit 20, a rectifying circuit 30, an oscillating circuit 40, and a transforming circuit 50.
The timing circuit 10 is connected with the switching circuit 20, the switching circuit 20 is connected with the rectifying circuit 30, the rectifying circuit 30 is connected with the oscillating circuit 40, the oscillating circuit 40 is connected with the transforming circuit 50, and the transforming circuit 50 is connected with the test lamp 100.
The timing circuit 10 is configured to output a control signal of a preset duration.
Specifically, the preset time period may be set according to actual conditions, for example, if the preset time period is set to 1 second, the timing circuit 10 outputs the control signal only within 1 second, and then stops outputting the control signal.
The switching circuit 20 is configured to be turned on when receiving the control signal and output a power supply enable signal.
Specifically, the switching circuit 20 is implemented by an electronic switch, and has low power consumption after being turned on, thereby saving energy consumption. The switch circuit 20 is turned on only when receiving the control signal, and after the timing circuit 10 stops outputting the control signal, the switch circuit 20 is turned off and does not output the power supply enable signal any more.
The rectifier circuit 30 is configured to convert the ac electrical signal into a dc electrical signal and output the dc electrical signal when receiving the power supply enable signal.
Specifically, the rectifying circuit 30 has a function of converting ac to dc, and the dc signal is output to the oscillating circuit 40 as a power supply signal, so that the oscillating circuit 40 starts to operate. Therefore, the timing circuit 10 controls the switching circuit 20 to be turned on within a preset time period, the switching circuit 20 correspondingly outputs the power supply enable signal within a certain time period, so that the rectifying circuit 30 operates within the corresponding time period, and outputs the direct current signal to the oscillating circuit 40, and accordingly, the oscillating circuit 40 operates within a specific time period.
The oscillation circuit 40 is configured to output a high-frequency pulse signal after receiving the direct-current signal.
Specifically, the oscillating circuit 40 converts the direct current signal into a high-frequency pulse signal and outputs the high-frequency pulse signal, so that the voltage transformation circuit 50 at the rear end boosts the high-frequency pulse signal, and the amplitude of the test lamp 100 on the simulated test lamp panel can be lightened.
The voltage transformation circuit 50 is configured to boost the high-frequency pulse signal and output the boosted high-frequency pulse signal to the test lamp 100.
Specifically, the voltage transformation circuit 50 is implemented by a transformer, and after boosting the high-frequency pulse signal, the amplitude of the test lamp 100 on the simulated test lamp panel can be lightened, so that the test lamp 100 is lightened.
According to the ignition circuit, the timing circuit 10 outputs the control signal with the preset duration, so that the working duration of the oscillating circuit 40 is limited by the timing circuit 10, the test lamp 100 completes triggering ignition within a certain duration, the ignition duration is accurate and controllable, the phenomenon that the service lives of the test lamp 100 and other parts are shortened and even the test lamp 100 and other parts are damaged due to overlong triggering time is avoided, and the safety of the whole circuit is improved.
Referring to fig. 2, a schematic block diagram of an ignition circuit according to another embodiment of the present application is shown, and for convenience of description, only the parts related to the embodiment are shown, and detailed descriptions are as follows:
optionally, the ignition circuit further comprises a filter circuit 60.
The filter circuit 60 is connected to the oscillation circuit 40 and the transformer circuit 50.
The filter circuit 60 is configured to filter the high-frequency pulse signal and output the high-frequency pulse signal to the transformer circuit 50.
Specifically, the filter circuit 60 may filter the filtered interference signal.
Referring to fig. 3, an exemplary schematic circuit diagram of the ignition circuit shown in fig. 2 is shown, which only shows the parts related to the present embodiment for convenience of description, and the details are as follows:
in an alternative embodiment, the timing circuit 10 includes a timer U27, a first adjustable resistor RP3, a second adjustable resistor RP1, a first resistor R69, a first capacitor C23, a second capacitor C21, and a third capacitor C24.
Specifically, the timer U27 is implemented by an integrated circuit, and the embodiment is implemented by a 555 chip.
The node connecting the reset terminal RS of the timer U27, the first terminal of the first capacitor C23, the power supply terminal V + of the timer U27, and the first terminal of the first resistor R69 is connected to the switch circuit 20, the control terminal CV of the timer U27 is connected to the first terminal of the second capacitor C21, the trigger terminal TR of the timer U27, the discharge terminal DIS of the timer U27, the first terminal of the third capacitor C24, the first fixed terminal of the first adjustable resistor RP3, and the sliding terminal of the first adjustable resistor RP3 are connected to each other.
A second fixed end of the first adjustable resistor RP3 is commonly connected with a first fixed end of the second adjustable resistor RP1, a second fixed end of the second adjustable resistor RP1 is commonly connected with a second end of the first resistor R69, and a sliding end of the second adjustable resistor RP1 is commonly connected with a threshold end THR of the timer U27; the output end O of the timer U27 is connected with the switch circuit 20; the second terminal of the first capacitor C23, the second terminal of the second capacitor C21, and the second terminal of the third capacitor C24 are grounded.
Specifically, the power supply terminal V + of the timer U27 is connected to the power supply circuit 70, and when receiving the power supply signal VCC output by the power supply circuit 70, the timer U27 starts to operate. The working principle of each pin of the timer U27 is as follows: the THR control terminal controls the threshold voltage of the chip, and when the TRH control terminal is in idle connection, the two default threshold voltages are 1/3VCC and 2/3 VCC; when the voltage of the trigger terminal TR is reduced to 1/3VCC or threshold voltage, the trigger terminal TR outputs high level; when the voltage of the threshold end THR rises to 2/3VCC or threshold voltage, the threshold end THR outputs low level; the output end O outputs high level or low level; the timer U27 works when the reset end RS is connected with a high level, and the timer U27 resets when the reset end RS is grounded and outputs a low level from the output end O; an OC gate (Open Collector gate) inside the timer U27 is connected in the discharge end.
After the timer U27 works, it outputs a control signal to the switch circuit 20 within a preset time period, so that the switch circuit 20 is turned on, and after the preset time period is exceeded, the timer U27 stops outputting the control signal, and the switch circuit 20 is turned off, and is turned on again until the control signal is received again next time.
The high level signal output from the output terminal O of the timer U27 is the control signal.
In an alternative embodiment, the switch circuit 20 includes a second resistor R5, a third resistor R6, a first switch Q3, and a relay K1; relay K1 includes a winding and a set of contacts.
A first end of the second resistor R5 and a first end of the third resistor R6 are connected to the timing circuit 10, a second end of the second resistor R5 is connected to a controlled end of the first switch tube Q3, an input end of the first switch tube Q3 is connected to a first end of the winding, and an output end of the first switch tube Q3 is grounded; a second end of the third resistor R6 is connected with a second end of the winding; the normally open contact of the contact group is connected with the rectifying circuit 30, the first fixed contact of the contact group is connected with the oscillating circuit 40, and the second fixed contact of the contact group is suspended.
Specifically, the contact set of relay K1 is normally open, and is closed only when a control signal is received. The first end of the second resistor R5 is connected with the output end O of the timer U27, when the output end O outputs a control signal, the first switch tube Q3 is conducted, so that the winding of the relay K1 is electrified, and the normally open contact of the control contact group is contacted with the first fixed contact.
Optionally, the first switch tube Q3 is implemented by an NMOS tube, and a gate, a drain, and a source of the NMOS tube are respectively used as a controlled end, an input end, and an output end of the first switch tube Q3.
In an alternative embodiment, the rectifying circuit 30 includes a first zener diode TZ1, a fourth capacitor C7, a rectifier bridge BD1, and a plug J1.
The power transmission end of the plug J1, the first end of the fourth capacitor C7, the cathode of the first zener diode TZ1 and the first end of the rectifier bridge BD1 are connected in common, the ground end of the plug J1, the second end of the fourth capacitor C7, the anode of the first zener diode TZ1 and the second end of the rectifier bridge BD1 are connected in common, the third end of the rectifier bridge BD1 is connected with the oscillation circuit 40, and the fourth end of the rectifier bridge BD1 is connected to the ground.
Specifically, the plug-in connector is externally connected with a rectifier, the rectifier is used for rectifying commercial power and then outputting an alternating current signal to the plug-in connector, and the plug-in connector transmits the alternating current signal to the rectifier bridge BD 1.
The fourth capacitor C7 is a filter capacitor, and is used for performing filtering processing on the alternating current signal. The first zener diode TZ1 is used for stabilizing voltage and protecting the rectifier bridge BD1 and other electronic components from being damaged by a large instantaneous current. As shown in fig. 3, the rectifier bridge BD1 is composed of four diodes.
In an alternative embodiment, the oscillation circuit 40 includes a half-bridge driving oscillation chip U1, a fourth resistor R2, a fifth resistor R1, a sixth resistor R3, a seventh resistor R4, a fifth capacitor C6, a sixth capacitor C2, a seventh capacitor C1, an eighth capacitor C3, a second zener diode D2, a diode D1, a second switch Q1, and a third switch Q2.
The first end of the fifth capacitor C6 is connected to the node where the cathode of the second zener diode D2 is connected in common with the rectifier circuit 30, the anode of the second zener diode D2 is connected to the first end of the fourth resistor R2, the second end of the fourth resistor R2, the first end of the sixth capacitor C2 and the power supply terminal VS of the half-bridge driving oscillation chip U1 are connected in common with each other, the resistance adjustment terminal RF of the half-bridge driving oscillation chip U1 is connected to the first end of the fifth resistor R1, and the second end of the fifth resistor R1, the first end of the seventh capacitor C1 and the capacitance adjustment terminal CF of the half-bridge driving oscillation chip U1 are connected in common with each other.
An output end OUT of the half-bridge driving oscillation chip U1 is connected with a first end of the sixth resistor R3, a floating power supply end BOOT of the half-bridge driving oscillation chip U1 is connected with a first end of the seventh resistor R4, and a first end of the eighth capacitor C3, a low-side driving output end LVG of the half-bridge driving oscillation chip U1 and a cathode of the diode D1 are connected in common; the anode of the diode D1 is connected with the power supply end VS of the half-bridge driving oscillation chip U1; the second end of the eighth capacitor C3, the high-side driving output terminal HVG of the half-bridge driving oscillation chip U1, the output terminal of the second switching tube Q1 and the input terminal of the third switching tube Q2 are connected in common; the second end of the sixth resistor R3 is connected to the controlled end of the second switch Q1, the second end of the seventh resistor R4 is connected to the controlled end of the third switch Q2, and the input end of the second switch Q1 is connected to the transformer circuit 50.
The ground GND of the half-bridge driving oscillation chip U1, the second terminal of the fifth capacitor C6, the second terminal of the sixth capacitor C2, the second terminal of the seventh capacitor C1, and the output terminal of the third switching tube Q2 are grounded.
Specifically, the half-bridge driving oscillation chip U1 is of a model L6569A, the second switching tube Q1 and the third switching tube Q2 constitute a bridge inverter circuit, and when the oscillation circuit 40 operates, the high-side driving output terminal HVG and the low-side driving output terminal LVG of the half-bridge driving oscillation chip U1 alternately output high-level signals, so that the second switching tube Q1 and the third switching tube Q2 are controlled to be alternately turned on to generate high-frequency pulse signals.
The second switch tube Q1 and the third switch tube Q2 are implemented by NMOS tubes, and the gate, the drain and the source of the NMOS tube are respectively used as the controlled end, the input end and the output end of the second switch tube Q1/the third switch tube Q2.
In an alternative embodiment, the transforming circuit 50 includes a step-up transformer.
The primary coil of the step-up transformer is connected to the oscillation circuit 40, and the secondary coil of the step-up transformer is connected to the test lamp 100.
Specifically, the step-up transformer may step up the high-frequency pulse signal to 10000V, thereby lighting the test fixture 100.
In an alternative embodiment, the filter circuit 60 includes a ninth capacitor C5 and a tenth capacitor C8.
The first end of the ninth capacitor C5 is connected to the oscillation circuit 40, the node at which the second end of the ninth capacitor C5 is connected to the first end of the tenth capacitor C8 is connected to the oscillation circuit 40, and the second end of the tenth capacitor C8 is connected to ground.
Specifically, a first end of the ninth capacitor C5 is connected to the input end of the second switching tube Q1, a second end of the ninth capacitor C5, a first end of the tenth capacitor C8, the output end of the second switching tube Q1 and the input end of the third switching tube Q2 are connected in common, and a second end of the tenth capacitor C8 is connected to ground. The filter circuit 60 filters out interference noise waves, so that the overall operation of the circuit is more stable.
Referring to fig. 4, a schematic structural diagram of a module of an ignition device provided in a second aspect of the embodiment of the present application shows only parts related to the embodiment for convenience of description, and the details are as follows:
an ignition device for connection with a test fixture 100 includes the ignition circuit and power supply circuit 70 described above.
The power supply circuit 70 is connected to the timing circuit 10 and/or the oscillation circuit 40. The power circuit 70 is configured to output a power signal VCC to the timing circuit 10 for powering the timing circuit 10.
Specifically, the power supply signal VCC output by the power supply circuit 70 is a +15V dc signal. The power supply circuit 70 supplies power to the timing circuit 10 and also supplies power to the oscillation circuit 40.
To sum up, the ignition circuit and the ignition device provided by the application are applied to the ignition process of the test lamp 100 used in the sunlight simulation test, and the timing circuit 10 outputs a control signal with preset duration, so that the working duration of the oscillating circuit 40 is limited by the timing circuit 10, the test lamp 100 completes triggering ignition within a certain duration, the service lives of the test lamp 100 and other parts are prevented from being shortened due to overlong triggering time, even the test lamp 100 and other parts are damaged, and the safety of the whole circuit is improved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (9)
1. An ignition circuit for connection to a test fixture, comprising:
a timing circuit configured to output a control signal of a preset duration;
the switch circuit is connected with the timing circuit, is configured to be conducted when only receiving the control signal and transmits a power supply enabling signal;
the rectification circuit is connected with the switch circuit and is configured to convert an alternating current signal into a direct current signal and output the direct current signal when receiving the power supply enabling signal;
the oscillating circuit is connected with the rectifying circuit and is configured to output a high-frequency pulse signal after receiving the direct-current signal;
and the voltage transformation circuit is connected with the oscillation circuit and the test lamp and is configured to boost the high-frequency pulse signal and output the boosted high-frequency pulse signal to the test lamp so as to light the test lamp.
2. The ignition circuit of claim 1, wherein the timing circuit comprises:
the circuit comprises a timer, a first adjustable resistor, a second adjustable resistor, a first capacitor, a second capacitor and a third capacitor;
a node where a reset end of the timer, a first end of the first capacitor, a power supply end of the timer, and a first end of the first resistor are connected in common is connected to the switch circuit, a control end of the timer is connected in common with a first end of the second capacitor, a trigger end of the timer, a discharge end of the timer, a first end of the third capacitor, a first fixed end of the first adjustable resistor, and a sliding end of the first adjustable resistor are connected in common, a second fixed end of the first adjustable resistor is connected in common with a first fixed end of the second adjustable resistor, a second fixed end of the second adjustable resistor is connected in common with a second end of the first resistor, and a sliding end of the second adjustable resistor is connected in common with a threshold end of the timer; the output end of the timer is connected with the switch circuit; the second end of the first capacitor, the second end of the second capacitor and the second end of the third capacitor are grounded.
3. An ignition circuit as claimed in claim 1, wherein the switching circuit comprises:
the second resistor, the third resistor, the first switch tube and the relay; the relay comprises a winding and a contact set;
the first end of the second resistor and the first end of the third resistor are connected with the timing circuit, the second end of the second resistor is connected with the controlled end of the first switching tube, the input end of the first switching tube is connected with the first end of the winding, and the output end of the first switching tube is grounded; the second end of the third resistor is connected with the second end of the winding; the normally open contact of the contact group is connected with the rectifying circuit, the first fixed contact of the contact group is connected with the oscillating circuit, and the second fixed contact of the contact group is suspended.
4. The ignition circuit of claim 1, wherein the rectification circuit comprises:
the first voltage stabilizing diode, the fourth capacitor, the rectifier bridge and the plug-in connector;
the power transmission end of the plug-in connector, the first end of the fourth capacitor, the cathode of the first voltage stabilizing diode and the first end of the rectifier bridge are connected in common, the grounding end of the plug-in connector, the second end of the fourth capacitor, the anode of the first voltage stabilizing diode and the second end of the rectifier bridge are connected in common, the third end of the rectifier bridge is connected with the oscillation circuit, and the fourth end of the rectifier bridge is grounded.
5. The ignition circuit of claim 1, wherein the oscillator circuit comprises:
the half-bridge driving circuit comprises a half-bridge driving oscillation chip, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a second voltage stabilizing diode, a second switching tube and a third switching tube;
a node at which a first end of the fifth capacitor and a cathode of the second zener diode are connected in common is connected to the rectifying circuit, an anode of the second zener diode is connected to a first end of the fourth resistor, a second end of the fourth resistor, a first end of the sixth capacitor and a power supply end of the half-bridge driving oscillation chip are connected in common, a resistance adjusting end of the half-bridge driving oscillation chip is connected to a first end of the fifth resistor, and a second end of the fifth resistor, a first end of the seventh capacitor and a capacitance adjusting end of the half-bridge driving oscillation chip are connected in common;
the output end of the half-bridge driving oscillation chip is connected with the first end of the sixth resistor, the floating power supply end of the half-bridge driving oscillation chip is connected with the first end of the seventh resistor, and the first end of the eighth capacitor, the low-side driving output end of the half-bridge driving oscillation chip and the cathode of the diode are connected in common; the anode of the diode is connected with the power supply end of the half-bridge driving oscillation chip; the second end of the eighth capacitor, the high-side driving output end of the half-bridge driving oscillation chip, the output end of the second switching tube and the input end of the third switching tube are connected in common; the second end of the sixth resistor is connected with the controlled end of the second switching tube, the second end of the seventh resistor is connected with the controlled end of the third switching tube, and the input end of the second switching tube is connected with the voltage transformation circuit;
and the ground terminal of the half-bridge driving oscillation chip, the second terminal of the fifth capacitor, the second terminal of the sixth capacitor, the second terminal of the seventh capacitor and the output terminal of the third switching tube are grounded.
6. The ignition circuit of claim 1, wherein the transformer circuit comprises:
a step-up transformer;
and a primary coil of the boosting transformer is connected with the oscillating circuit, and a secondary coil of the boosting transformer is connected with the test lamp.
7. The ignition circuit of claim 1, further comprising:
and the filter circuit is connected with the oscillating circuit and the transformation circuit and is configured to filter the high-frequency pulse signal and output the high-frequency pulse signal to the transformation circuit.
8. The ignition circuit of claim 7, wherein the filter circuit comprises:
a ninth capacitance and a tenth capacitance;
the first end of the ninth capacitor is connected with the oscillating circuit, a node at which the second end of the ninth capacitor and the first end of the tenth capacitor are connected in common is connected with the oscillating circuit, and the second end of the tenth capacitor is grounded.
9. An ignition device for connection with a test fixture, comprising:
an ignition circuit as claimed in any one of claims 1 to 8; and
and the power supply circuit is connected with the timing circuit and is configured to output a power supply signal to the timing circuit so as to supply power for the operation of the timing circuit.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730043.6U CN212137986U (en) | 2020-05-06 | 2020-05-06 | Ignition circuit and device |
| DE212020000085.9U DE212020000085U1 (en) | 2020-05-06 | 2020-05-13 | Ignition circuit and ignition device |
| PCT/CN2020/090076 WO2021223252A1 (en) | 2020-05-06 | 2020-05-13 | Light-up circuit and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020730043.6U CN212137986U (en) | 2020-05-06 | 2020-05-06 | Ignition circuit and device |
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|---|---|
| CN212137986U true CN212137986U (en) | 2020-12-11 |
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| CN202020730043.6U Active CN212137986U (en) | 2020-05-06 | 2020-05-06 | Ignition circuit and device |
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| WO (1) | WO2021223252A1 (en) |
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| CN115589160B (en) * | 2022-12-12 | 2023-03-10 | 季华实验室 | Control power generation circuit and method |
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| CN2497509Y (en) * | 2001-08-16 | 2002-06-26 | 权华 | IC electronic ballast circuit |
| US7265503B2 (en) * | 2004-04-08 | 2007-09-04 | International Rectifier Corporation | Applications of halogen convertor control IC |
| CN201073326Y (en) * | 2007-09-28 | 2008-06-18 | 吉林大学中日联谊医院 | Vitro blast wave trigger generator |
| WO2010116272A1 (en) * | 2009-04-06 | 2010-10-14 | Koninklijke Philips Electronics, N.V. | Hid lamp ignitor |
| CN210261114U (en) * | 2019-08-06 | 2020-04-07 | 南通全昂等离子体科技有限公司 | Ozone generator drive circuit |
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- 2020-05-13 WO PCT/CN2020/090076 patent/WO2021223252A1/en active Application Filing
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| WO2021223252A1 (en) | 2021-11-11 |
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Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen Xiaoyang Technology Co.,Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: SHENZHEN XIAOYANG ENGINEERING CONSULTATION CO.,LTD. |