A multi-pulse spatial triggered adjustable discharge method and apparatus
By using a multi-pulse spatially triggered adjustable discharge device, flexible ignition control of the aero-engine combustion chamber is achieved, solving the problem of ignition difficulties under complex operating conditions caused by traditional ignition methods and improving ignition efficiency and reliability.
Patent Information
- Application Number
- CN202511725417.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-24
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2045-11-24
AI Technical Summary
Traditional aero-engine ignition methods are prone to ignition difficulties or incomplete ignition under complex operating conditions. Furthermore, the ignition timing and position are fixed and difficult to adjust flexibly, affecting engine performance and reliability.
A multi-pulse spatially triggered adjustable discharge device is adopted. Through the combination of power supply module, control module and discharge ignition module, flexible ignition timing control of multiple exciters in different spatial positions is realized. Combined with the use of multiple ignition modes, successful ignition is ensured.
It improves ignition efficiency and reliability, adapts to different combustion chamber structures and operating conditions, ensures successful engine ignition under complex conditions, and has good scalability and adaptability.
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Figure CN121184244B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of engine technology, and more specifically, to a multi-pulse spatially triggered adjustable discharge method and apparatus. Background Technology
[0002] Reliable ignition is a crucial factor in ensuring the normal operation of an aero-engine. Traditional ignition methods often employ single-point or simultaneous ignition of a few fixed exciters. Under certain complex conditions, such as high altitude, low temperature, and high humidity, this method may experience ignition difficulties or incomplete ignition, affecting engine performance and reliability. Furthermore, the relatively fixed ignition timing and position of traditional ignition methods make it difficult to flexibly adjust to different combustion chamber structures and operating conditions, limiting further improvements in ignition efficiency. Summary of the Invention
[0003] The purpose of this invention is to provide a multi-pulse spatially triggered adjustable discharge method and apparatus to improve the above-mentioned problems.
[0004] To achieve the above objectives, the technical solutions adopted in the embodiments of the present invention are as follows:
[0005] In a first aspect, embodiments of the present invention provide a multi-pulse spatially triggered adjustable discharge device, comprising: a power supply module, a control module, and at least two discharge ignition modules;
[0006] The input terminal of each of the discharge ignition modules is connected to the output terminal of the power module;
[0007] The output terminal of each of the discharge ignition modules is used to connect to the corresponding exciter, and the different exciters are distributed in different spatial positions in the combustion chamber;
[0008] The control terminal of each of the discharge ignition modules is connected to the control module.
[0009] The control module is used to send a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing mode, wherein the ignition timing mode includes the ignition time points of each exciter that needs to be ignited.
[0010] The i-th discharge ignition module is used to send a rising edge pulse discharge signal to the i-th exciter when it receives the trigger signal, so that the exciter can perform an ignition operation.
[0011] Optionally, the discharge ignition module includes a pulse generation unit, which includes: a current-limiting resistor, an energy storage capacitor, a PNP transistor, and a voltage-regulating resistor;
[0012] One end of the current-limiting resistor serves as the positive input terminal of the discharge ignition module and is connected to the positive output terminal of the power supply module. The other end of the current-limiting resistor is connected to one terminal of the energy storage capacitor and the emitter of the PNP transistor. The other terminal of the energy storage capacitor is grounded.
[0013] The base of the PNP transistor serves as the control terminal of the discharge ignition module and is connected to the control module. The collector of the PNP transistor serves as the output terminal of the pulse generation unit and is used to connect to the corresponding exciter.
[0014] One end of the voltage-regulating resistor is connected to the collector of the PNP transistor, and the other end of the voltage-regulating resistor is grounded.
[0015] Optionally, the discharge ignition module further includes: a pulse rising edge adjustment unit and a pulse amplification unit;
[0016] The output terminal of the pulse generating unit is connected to the input terminal of the pulse rising edge adjustment unit, the output terminal of the pulse rising edge adjustment unit is connected to the input terminal of the pulse amplification unit, and the output terminal of the pulse amplification unit serves as the output terminal of the discharge ignition module, connected to the corresponding exciter.
[0017] The pulse rising edge adjustment unit is used to adjust the rising edge time of the basic pulse signal generated by the pulse generation unit.
[0018] The pulse amplification unit is used to amplify the pulse signal adjusted by the pulse rising edge adjustment unit, and use it as the rising edge pulse discharge signal to drive the exciter.
[0019] Optionally, the control module includes a timing control unit and a trigger control unit, wherein the timing control unit is connected to the trigger control unit, and the trigger control unit is connected to the control terminal of each of the discharge ignition modules;
[0020] The timing control unit is used to generate multiple sets of ignition timing modes and send the multiple sets of ignition timing modes to the trigger control unit in sequence;
[0021] The trigger control unit is used to execute the ignition timing mode, and at the ignition time of the i-th exciter in the ignition timing mode, it sends a trigger signal to the i-th discharge ignition module.
[0022] Optionally, the control module further includes an identification unit, which is connected to the timing control unit;
[0023] The identification unit is used to identify the overall light intensity in the combustion chamber when the trigger control unit executes the ignition timing mode, and to feed back the overall light intensity to the timing control unit;
[0024] The timing control unit is also used to determine the target ignition timing mode based on the ignition results and overall light intensity corresponding to each group of ignition timing modes.
[0025] Optionally, the target ignition timing mode is the ignition timing mode with the lowest overall light intensity among multiple ignition timing modes, where the ignition result is successful.
[0026] Optionally, the ignition timing mode includes any one or more of sequential ignition mode, simultaneous ignition mode, and combined ignition mode.
[0027] Optionally, the timing control unit may be a programmable logic controller or a microprocessor.
[0028] Secondly, embodiments of the present invention provide a multi-pulse spatially triggered adjustable discharge method, applied to the aforementioned multi-pulse spatially triggered adjustable discharge device, the method comprising:
[0029] The control module sends a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing mode, wherein the ignition timing mode includes the ignition time points of each exciter that needs to be ignited;
[0030] When the i-th discharge ignition module receives the trigger signal, it sends a rising edge pulse discharge signal to the i-th exciter to enable it to perform an ignition operation.
[0031] Compared to existing technologies, the present invention provides a multi-pulse spatially triggered adjustable discharge method and apparatus. The input terminals of each discharge ignition module are connected to the output terminal of a power supply module. The output terminals of each discharge ignition module are connected to corresponding exciters, which are distributed in different spatial positions within the combustion chamber. The control terminals of each discharge ignition module are connected to a control module. The control module sends a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing pattern, where the ignition timing pattern includes the ignition time points of each exciter requiring ignition. Upon receiving the trigger signal, the i-th discharge ignition module sends a rising-edge pulse discharge signal to the i-th exciter to initiate ignition. By adjusting the ignition timing pattern, the ignition timing of multiple exciters can be flexibly controlled to adapt to different combustion chamber structures and operating conditions, improving ignition efficiency. The different spatial distributions of the exciters and the combined use of multiple ignition patterns can produce different ignition effects, further improving the reliability of combustion chamber ignition and ensuring successful engine ignition under various complex conditions. It has good scalability and adaptability, and can be widely used in the combustion chamber ignition systems of different types and sizes of aero-engines.
[0032] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0033] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0034] Figure 1 This is a schematic diagram of the structure of the multi-pulse spatially triggered adjustable discharge device provided in an embodiment of the present invention.
[0035] Figure 2 This is a schematic diagram of the structure of the discharge ignition module provided in an embodiment of the present invention.
[0036] Figure 3 This is a schematic diagram of the control module provided in an embodiment of the present invention. Detailed Implementation
[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0038] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.
[0039] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, in the description of this invention, terms such as "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0041] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this invention is usually placed when in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.
[0042] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0043] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.
[0044] This invention provides a multi-pulse spatially triggered adjustable discharge method and apparatus. By designing the ignition power supply topology and a timing-adjustable pulse rising edge triggering mode, it aims to achieve timing-adjustable ignition of multiple exciters during combustion chamber ignition, thereby improving ignition efficiency and ensuring reliable and successful combustion chamber ignition. For details, please refer to... Figure 1 , Figure 1 This is a schematic diagram of the structure of the multi-pulse spatially triggered adjustable discharge device provided in an embodiment of the present invention.
[0045] The multi-pulse space-triggered adjustable discharge device includes: a power supply module, a control module, and at least two discharge ignition modules.
[0046] The input terminals of each discharge ignition module are connected to the output terminals of the power supply module.
[0047] The output terminals of each discharge ignition module are used to connect to the corresponding exciter, and different exciters are distributed in different spatial positions in the combustion chamber.
[0048] It should be understood that the i-th discharge ignition module is connected to the i-th exciter, and 1≤i≤the total number of discharge ignition modules.
[0049] The control terminals of each discharge ignition module are connected to the control module.
[0050] The control module is used to send a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing mode, wherein the ignition timing mode includes the ignition time points of each exciter that needs to be ignited.
[0051] It should be understood that in some ignition timing modes, there are some exciters that do not need to be ignited, and the ignition timing points corresponding to the exciters that do not need to be ignited are empty.
[0052] The i-th discharge ignition module is used to send a rising edge pulse discharge signal to the i-th exciter when it receives a trigger signal, so that the exciter can perform an ignition operation.
[0053] In the multi-pulse spatially triggered adjustable discharge device provided in this invention embodiment, the ignition timing of multiple exciters can be flexibly controlled by adjusting the ignition timing mode, adapting to different combustion chamber structures and operating conditions, and improving ignition efficiency. Different spatial distributions of the exciters and the combined use of multiple ignition modes can superimpose different ignition effects, further improving the reliability of combustion chamber ignition and ensuring successful engine ignition under various complex conditions. It has good scalability and adaptability and can be widely applied to combustion chamber ignition systems of different types and scales of aero-engines.
[0054] Building upon the preceding text, this invention also provides an optional implementation method for the structure of the discharge ignition module. Please refer to the following documentation. Figure 1 The discharge ignition module includes a pulse generation unit, which includes a current-limiting resistor R1, an energy storage capacitor C1, a PNP transistor Q1, and a voltage-regulating resistor R2.
[0055] One end of the current-limiting resistor R1 serves as the positive input terminal of the discharge ignition module and is connected to the positive output terminal of the power supply module. The other end of the current-limiting resistor R1 is connected to one terminal of the energy storage capacitor C1 and the emitter of the PNP transistor Q1. The other terminal of the energy storage capacitor C1 is grounded.
[0056] The base of PNP transistor Q1 serves as the control terminal of the discharge ignition module and is connected to the control module. The collector of PNP transistor Q1 serves as the output terminal of the pulse generation unit and is used to connect to the corresponding exciter.
[0057] One end of the Zener resistor R2 is connected to the collector of the PNP transistor Q1, and the other end of the Zener resistor R2 is grounded.
[0058] When the PNP transistor Q1 receives a trigger signal at its base, it switches to the on state. The pulse generation unit sends a rising edge pulse discharge signal, and the energy on the energy storage capacitor C1 is instantly injected into the discharge exciter, realizing the release of ignition energy.
[0059] exist Figure 1 Based on this, regarding the structure of the discharge ignition module, this embodiment of the invention also provides an optional implementation method, please refer to... Figure 2 , Figure 2 This is a schematic diagram of the discharge ignition module provided in an embodiment of the present invention. The discharge ignition module further includes: a pulse rising edge adjustment unit and a pulse amplification unit.
[0060] The output of the pulse generation unit is connected to the input of the pulse rising edge adjustment unit, the output of the pulse rising edge adjustment unit is connected to the input of the pulse amplification unit, and the output of the pulse amplification unit serves as the output of the discharge ignition module, connected to the corresponding exciter.
[0061] The pulse rise edge adjustment unit is used to adjust the rise edge time of the basic pulse signal generated by the pulse generation unit.
[0062] The pulse rising edge adjustment unit uses a programmable delay line circuit, which can achieve precise adjustment of the pulse rising edge time.
[0063] The pulse amplification unit is used to amplify the pulse signal adjusted by the pulse rising edge adjustment unit, and use it as the rising edge pulse discharge signal to drive the exciter. The adjusted pulse signal is amplified to a level that can drive the exciter (also known as the igniter) to work.
[0064] exist Figure 1 Based on this, regarding the structure of the control module, this embodiment of the invention also provides an optional implementation method, please refer to... Figure 3 , Figure 3 This is a schematic diagram of the control module provided in an embodiment of the present invention.
[0065] The control module includes a timing control unit and a trigger control unit. The timing control unit is connected to the trigger control unit, and the trigger control unit is connected to the control terminal of each discharge ignition module.
[0066] The timing control unit is used to generate multiple sets of ignition timing modes and send the multiple sets of ignition timing modes to the trigger control unit in sequence.
[0067] It should be noted that not all exciters are required to ignite in any given ignition timing pattern. Ignition timing patterns include any one or more combinations of sequential ignition, simultaneous ignition, and combined ignition patterns.
[0068] The following is an example of a combustion chamber with four actuators.
[0069] The first type, the ignition timing mode, includes the ignition time point t1 of the first exciter, while the ignition time points of the other exciters are empty.
[0070] The second type, the ignition timing mode, includes the ignition time point t1 of the first exciter and the ignition time point t1 of the second exciter (the two are the same), which is a simultaneous ignition mode, and the ignition time points of other exciters are empty.
[0071] The third type, the ignition timing mode, includes the ignition time point t1 of the first exciter and the ignition time point t1 of the third exciter (the two are the same), which is a simultaneous ignition mode, and the ignition time points of other exciters are empty.
[0072] The fourth type, the ignition timing mode, includes the ignition time point t1 of the first exciter, the ignition time point t1 of the second exciter, and the ignition time point t1 of the third exciter (all three are the same), which is a simultaneous ignition mode, and the ignition time points of other exciters are empty.
[0073] The fifth type, the ignition timing mode, includes the ignition time point t1 of the first exciter, the ignition time point t1 of the second exciter, the ignition time point t1 of the third exciter, and the ignition time point t1 of the fourth exciter (all four are the same), which is a simultaneous ignition mode.
[0074] The sixth type, the ignition timing mode, includes the ignition time points t1, t2, t3, and t4 of the first exciter, all of which are different, and is a sequential ignition mode.
[0075] The seventh type, the ignition timing mode, includes the ignition time point t1 of the first exciter, the ignition time point t1 of the second exciter, the ignition time point t2 of the third exciter, and the ignition time point t3 of the fourth exciter. Exciters with the same ignition time point and exciters with different ignition time points are combined ignition modes.
[0076] The 8th type, the ignition timing mode, includes the ignition time point t2 of the 1st exciter, the ignition time point t2 of the 2nd exciter, the ignition time point t1 of the 3rd exciter, and the ignition time point t3 of the 4th exciter. Exciters with the same ignition time point and exciters with different ignition time points are combined ignition modes.
[0077] The 9th type, the ignition timing mode, includes the ignition time point t3 of the 1st exciter, the ignition time point t3 of the 2nd exciter, the ignition time point t1 of the 3rd exciter, and the ignition time point t2 of the 4th exciter. Exciters with the same ignition time point and exciters with different ignition time points are combined ignition modes.
[0078] The 10th type, the ignition timing mode, includes the ignition time point t1 of the first exciter, the ignition time point t2 of the second exciter, the ignition time point t1 of the third exciter, and the ignition time point t3 of the fourth exciter. Exciters with the same ignition time point and exciters with different ignition time points are combined ignition modes.
[0079] The 11th type, the ignition timing mode includes the ignition time point t2 of the first exciter, the ignition time point t1 of the second exciter, the ignition time point t1 of the third exciter, and the ignition time point t3 of the fourth exciter. Exciters with the same ignition time point and exciters with different ignition time points are combined ignition modes.
[0080] The 12th type, the ignition timing mode, includes the ignition time point t3 of the first exciter, the ignition time point t1 of the second exciter, the ignition time point t3 of the third exciter, and the ignition time point t2 of the fourth exciter. Exciters with the same ignition time point and exciters with different ignition time points are combined ignition modes.
[0081] It should be noted that there are other possible combinations of ignition timing modes, which will not be listed here.
[0082] The trigger control unit is used to execute the ignition timing mode. At the ignition time of the i-th exciter in the ignition timing mode, it sends a trigger signal to the i-th discharge ignition module (connected to the i-th exciter).
[0083] Please continue to refer to this. Figure 3 The control module also includes an identification unit, which is connected to the timing control unit.
[0084] The identification unit is used to identify the overall light intensity in the combustion chamber when the trigger control unit executes the ignition timing mode, and to feed back the overall light intensity to the timing control unit.
[0085] The timing control unit is also used to determine the target ignition timing mode based on the ignition results and overall light intensity corresponding to each group of ignition timing modes.
[0086] The ignition result indicates whether ignition was successful.
[0087] Optionally, the target ignition timing pattern is the ignition timing pattern among multiple ignition timing patterns that has a successful ignition result and the lowest overall light intensity. The target ignition timing pattern can be used as the designated ignition timing pattern under corresponding operating conditions to reduce ignition energy consumption while ensuring ignition success rate.
[0088] It should be understood that in experiments under specified operating conditions, by generating multiple sets of ignition timing patterns for ignition experiments, it is possible to achieve simultaneous ignition, sequential ignition, and combined ignition of single, two, three, and four exciters with different spatial distributions. This allows for obtaining the ignition status of the combustion chamber under different ignition timing sequences under specified operating conditions. Through experiments, the ignition patterns under different operating conditions can be calibrated, thereby achieving efficient energy utilization and stable ignition of the combustion chamber.
[0089] Optionally, the timing control unit employs a programmable logic controller (PLC) or a microprocessor, which can dynamically adjust the ignition timing according to a preset program.
[0090] This invention also provides a multi-pulse spatially triggered adjustable discharge method, applied to the multi-pulse spatially triggered adjustable discharge device mentioned above. Please refer to the following text. A multi-pulse spatially triggered adjustable discharge method includes: S501 and S502, as detailed below.
[0091] S501, the control module sends a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing mode. The ignition timing mode includes the ignition time points of each exciter that needs to be ignited.
[0092] S502, when the i-th discharge ignition module receives the trigger signal, it sends a rising edge pulse discharge signal to the i-th exciter to enable it to perform ignition operation.
[0093] Optionally, the ignition timing mode includes any one or a combination of sequential ignition mode, simultaneous ignition mode, and combined ignition mode.
[0094] In summary, the present invention provides a multi-pulse spatially triggered adjustable discharge method and apparatus. The input terminals of each discharge ignition module are connected to the output terminal of a power supply module. The output terminals of each discharge ignition module are connected to corresponding exciters, which are distributed in different spatial positions within the combustion chamber. The control terminals of each discharge ignition module are connected to a control module. The control module sends a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing pattern, where the ignition timing pattern includes the ignition time points of each exciter requiring ignition. Upon receiving the trigger signal, the i-th discharge ignition module sends a rising-edge pulse discharge signal to the i-th exciter to initiate ignition. By adjusting the ignition timing pattern, the ignition timing of multiple exciters can be flexibly controlled to adapt to different combustion chamber structures and operating conditions, thereby improving ignition efficiency. The different spatial distributions of the exciters and the combined use of multiple ignition patterns can produce different ignition effects, further improving the reliability of combustion chamber ignition and ensuring successful engine ignition under various complex conditions. It has good scalability and adaptability, and can be widely used in the combustion chamber ignition systems of different types and sizes of aero-engines.
[0095] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.
[0096] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A multi-pulse spatially triggered adjustable discharge device, characterized in that, include: Power module, control module, and at least two discharge ignition modules; The input terminal of each of the discharge ignition modules is connected to the output terminal of the power module; The output terminal of each of the discharge ignition modules is used to connect to the corresponding exciter, and the different exciters are distributed in different spatial positions in the combustion chamber; The control terminal of each of the discharge ignition modules is connected to the control module. The control module is used to send a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing mode, wherein the ignition timing mode includes the ignition time points of each exciter that needs to be ignited. The i-th discharge ignition module is used to send a rising edge pulse discharge signal to the i-th exciter when it receives the trigger signal, so that the exciter can perform an ignition operation.
2. The multi-pulse spatially triggered adjustable discharge device as described in claim 1, characterized in that, The discharge ignition module includes a pulse generation unit, which includes a current-limiting resistor, an energy storage capacitor, a PNP transistor, and a voltage-regulating resistor. One end of the current-limiting resistor serves as the positive input terminal of the discharge ignition module and is connected to the positive output terminal of the power supply module. The other end of the current-limiting resistor is connected to one terminal of the energy storage capacitor and the emitter of the PNP transistor. The other terminal of the energy storage capacitor is grounded. The base of the PNP transistor serves as the control terminal of the discharge ignition module and is connected to the control module. The collector of the PNP transistor serves as the output terminal of the pulse generation unit and is used to connect to the corresponding exciter. One end of the voltage-regulating resistor is connected to the collector of the PNP transistor, and the other end of the voltage-regulating resistor is grounded.
3. The multi-pulse spatially triggered adjustable discharge device as described in claim 2, characterized in that, The discharge ignition module further includes: a pulse rising edge adjustment unit and a pulse amplification unit; The output terminal of the pulse generating unit is connected to the input terminal of the pulse rising edge adjustment unit, the output terminal of the pulse rising edge adjustment unit is connected to the input terminal of the pulse amplification unit, and the output terminal of the pulse amplification unit serves as the output terminal of the discharge ignition module, connected to the corresponding exciter. The pulse rising edge adjustment unit is used to adjust the rising edge time of the basic pulse signal generated by the pulse generation unit. The pulse amplification unit is used to amplify the pulse signal adjusted by the pulse rising edge adjustment unit, and use it as the rising edge pulse discharge signal to drive the exciter.
4. The multi-pulse spatially triggered adjustable discharge device as described in claim 1, characterized in that, The control module includes a timing control unit and a trigger control unit. The timing control unit is connected to the trigger control unit, and the trigger control unit is connected to the control terminal of each of the discharge ignition modules. The timing control unit is used to generate multiple sets of ignition timing modes and send the multiple sets of ignition timing modes to the trigger control unit in sequence; The trigger control unit is used to execute the ignition timing mode, and at the ignition time of the i-th exciter in the ignition timing mode, it sends a trigger signal to the i-th discharge ignition module.
5. The multi-pulse spatially triggered adjustable discharge device as described in claim 4, characterized in that, The control module further includes an identification unit, which is connected to the timing control unit. The identification unit is used to identify the overall light intensity in the combustion chamber when the trigger control unit executes the ignition timing mode, and to feed back the overall light intensity to the timing control unit; The timing control unit is also used to determine the target ignition timing mode based on the ignition results and overall light intensity corresponding to each group of ignition timing modes.
6. The multi-pulse spatially triggered adjustable discharge device as described in claim 5, characterized in that, The target ignition timing mode is the ignition timing mode with the lowest overall light intensity among multiple ignition timing modes, where the ignition result is successful.
7. The multi-pulse spatially triggered adjustable discharge device as described in claim 4, characterized in that, The ignition timing mode includes any one or more of sequential ignition mode, simultaneous ignition mode, and combined ignition mode.
8. The multi-pulse spatially triggered adjustable discharge device as described in claim 4, characterized in that, The timing control unit employs a programmable logic controller or a microprocessor.
9. A multi-pulse spatially triggered adjustable discharge method, characterized in that, The method, applied to the multi-pulse spatially triggered adjustable discharge device according to any one of claims 1-8, comprises: The control module sends a trigger signal to the i-th discharge ignition module at the ignition time point of the i-th exciter according to the ignition timing mode, wherein the ignition timing mode includes the ignition time points of each exciter that needs to be ignited; When the i-th discharge ignition module receives the trigger signal, it sends a rising edge pulse discharge signal to the i-th exciter to enable it to perform an ignition operation.
10. The multi-pulse spatially triggered adjustable discharge method as described in claim 9, characterized in that, The ignition timing mode includes any one or more of sequential ignition mode, simultaneous ignition mode, and combined ignition mode.
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