CN113639600A - Ignition head ignition performance detector and detection method - Google Patents
Ignition head ignition performance detector and detection method Download PDFInfo
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- CN113639600A CN113639600A CN202110938775.3A CN202110938775A CN113639600A CN 113639600 A CN113639600 A CN 113639600A CN 202110938775 A CN202110938775 A CN 202110938775A CN 113639600 A CN113639600 A CN 113639600A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C21/00—Checking fuzes; Testing fuzes
Abstract
The application discloses ignition head firing performance detector, detection method, through setting up voltage regulation module and electric capacity adjustment module, the condition of energy storage component and ignition voltage is taken into account to the synthesis, the accuracy of detection has been improved, and the ignition voltage of ignition module and the specification of energy storage capacitor can be adjusted, with the sensitivity of adapting to different ignition heads, the application range of detector has been enlarged, still set up the voltage waveform that display module shows ignition voltage, the graphical display of ignition curve has been realized, and, display module can also show current state's ignition voltage and the specification of energy storage capacitor in the access ignition module, so that adjust ignition voltage.
Description
Technical Field
The application relates to the field of performance detection, in particular to an ignition head ignition performance detector and an ignition head ignition performance detection method.
Background
The ignition head of the electronic detonator is an important component of the electronic detonator, and the stability of the ignition head directly influences the performance of the electronic detonator. The sensitivity of ignition head priming powder is an important parameter for considering the reliable initiation of the electronic detonator. The occurrence of misfiring of the electronic detonator in use is also related to the quality of the ignition head. The stability of the ignition head performance is related to the resistance of the bridgewire of the ignition head and the sensitivity of ignition powder. The combination of the two can embody the performance of the ignition head.
The electronic detonators are all stored energy by capacitors and then discharge to ignition heads to realize the detonation of the detonators, so that the parameters of energy storage elements also need to be considered when the reliable detonation of the electronic detonators is considered.
In the related art, the ignition index of the ignition head is considered only from one side, so that the limitation exists, the final test result is different from the actual situation, and even the electronic detonator fails to explode in the actual situation.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the ignition performance detector for the ignition head is provided, the ignition indexes with single performance are not focused, the conditions of the energy storage element and the ignition voltage are comprehensively considered, the detection accuracy is improved, the ignition voltage of the ignition module and the specification of the energy storage capacitor can be adjusted to adapt to different ignition heads and sensitivities, and the application range of the detector is expanded.
The application also provides a method for detecting the ignition performance of the ignition head.
According to the first aspect of the application, the ignition head ignition performance detector comprises:
the ignition module is used for igniting;
the main control module is connected with the ignition module and used for acquiring the ignition voltage of the ignition module to obtain a voltage waveform, and the main control module is also used for outputting a parameter adjusting instruction;
the voltage adjusting module is connected with the main control module and used for adjusting the detonation voltage of the ignition module according to the parameter adjusting instruction;
the capacitance adjusting module is connected with the main control module and used for switching and accessing the energy storage capacitor in the ignition module according to the parameter adjusting instruction;
and the display module is connected with the main control module and used for displaying the voltage waveform and displaying the detonation voltage in the current state and the specification of the energy storage capacitor connected into the ignition module.
According to the ignition head ignition performance detector of the embodiment of the application, the ignition head ignition performance detector at least has the following beneficial effects: through setting up voltage regulation module and electric capacity adjustment module, the condition of energy storage component and ignition voltage is taken into account to the synthesis, the accuracy of detection has been improved, and the ignition voltage of ignition module and the specification of energy storage capacitor can be adjusted, with the sensitivity of the ignition head of adaptation difference, the application range of detector has been enlarged, still set up the voltage waveform that display module shows ignition voltage, the graphical demonstration of ignition curve has been realized, and, display module can also show current state's ignition voltage and the specification of energy storage capacitor in the module of inserting ignition, so that adjust ignition voltage.
According to some embodiments of the application, the firing module comprises:
an ignition unit for igniting;
the energy storage unit is connected with the ignition unit and used for storing the ignition voltage of the ignition unit;
and the energy charging unit is connected with the energy storage unit and is used for charging the energy storage unit.
According to some embodiments of the present application, the energy storage unit comprises:
the first end of the energy storage capacitor is connected with a ground wire;
the first end of the first resistor is connected with the second end of the energy storage capacitor;
a first end of the first switch is connected with a second end of the first resistor, and a second end of the first switch is connected with the ground wire;
the charging unit includes:
an adjustable energy charging power supply;
a first end of the second switch is connected with the adjustable charging power supply;
a first end of the second resistor is connected with a second end of the second switch, and a second end of the second resistor is connected with a second end of the energy storage capacitor;
the firing unit includes:
the first end of the ignition head is connected with the main control module;
a first end of the third switch is connected with a second end of the ignition head, and a second end of the third switch is connected with the ground wire;
a fourth switch connected in parallel with the firing head.
According to some embodiments of the application, the firing unit further comprises:
a discharge tube driving circuit, an output voltage of the discharge tube driving circuit being equal to the adjustable charging power supply voltage;
the third switch is a first MOS tube, the drain electrode of the first MOS tube is connected with the second end of the ignition head, the source electrode of the first MOS tube is connected with the ground wire, and the grid electrode of the first MOS tube is connected with the discharge tube driving circuit.
According to some embodiments of the present application, the detector further comprises:
and the detection comparison module is connected with the second end of the energy storage capacitor and used for detecting the voltage of the energy storage capacitor and obtaining a discharge result according to the voltage of the energy storage capacitor and a preset reference voltage.
According to some embodiments of the present application, the master control module comprises: a DAC unit and an ADC unit;
the voltage regulation module includes:
the boosting unit is used for boosting the voltage of the battery to obtain boosted voltage;
the adjusting unit is connected with the boosting unit and the DAC unit of the main control module and used for adjusting the detonation voltage according to the parameter adjusting information;
the adjusting unit is further connected with the ADC unit of the main control module, and the main control module is further used for collecting the detonation voltage adjusted by the adjusting unit.
According to some embodiments of the application, the adjustment unit comprises:
the input end of the adjustable LDO is connected with the boosting unit, and the output end of the adjustable LDO is connected with the ADC unit of the main control module;
the non-inverting input end of the integrated operational amplifier is connected with the DAC unit;
a first end of the third resistor is connected with the output end of the integrated operational amplifier, and a second end of the third resistor is connected with an FB pin of the adjustable LDO;
a first end of the fourth resistor is connected with the output end of the adjustable LDO, and a second end of the fourth resistor is connected with a second end of the third resistor;
and a first end of the fifth resistor is connected with a first end of the fourth resistor, and a second end of the fifth resistor is connected with the ground wire.
According to some embodiments of the present application, the apparatus further comprises:
the parameter adjusting module is connected with the main control module and used for outputting parameter adjusting information;
the main control module is used for outputting the parameter adjusting instruction according to the parameter adjusting information.
According to some embodiments of the present application, the capacitance adjustment module comprises:
a plurality of energy storage capacitors of different specifications;
and the relay is used for switching the ignition module to be connected into the energy storage capacitors with different specifications.
According to the ignition head ignition performance detection method of the embodiment of the second aspect of the application, the method comprises the following steps:
the main control module collects the detonation voltage of the ignition module to obtain a voltage waveform;
the main control module outputs a parameter adjusting instruction;
the voltage adjusting module adjusts the detonation voltage of the ignition module according to the parameter adjusting instruction;
the capacitance adjusting module switches and accesses the capacitance in the ignition module according to the parameter adjusting instruction;
and the display module displays the voltage waveform and displays the detonation voltage in the current state and the specification of an energy storage capacitor connected into the ignition module.
The ignition head ignition performance detection method provided by the embodiment of the application has at least the following beneficial effects: through setting up voltage regulation module and electric capacity adjustment module, the condition of energy storage component and ignition voltage is taken into account to the synthesis, the accuracy of detection has been improved, and the ignition voltage of ignition module and the specification of energy storage capacitor can be adjusted, with the sensitivity of the ignition head of adaptation difference, the application range of detector has been enlarged, still set up the voltage waveform that display module shows ignition voltage, the graphical demonstration of ignition curve has been realized, and, display module can also show current state's ignition voltage and the specification of energy storage capacitor in the module of inserting ignition, so that adjust ignition voltage.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is a block diagram of an ignition head ignition performance detector provided in some embodiments of the present application;
FIG. 2 is a circuit diagram of an ignition module provided in some embodiments of the present application;
FIG. 3 is a circuit diagram of an ignition module provided in some embodiments of the present application;
FIG. 4 is a circuit diagram of a voltage regulation module provided in some embodiments of the present application;
fig. 5 is a block diagram of an ignition head ignition performance detector provided in some embodiments of the present application;
fig. 6 is a flowchart of a method for detecting the ignition performance of an ignition head according to some embodiments of the present application.
Reference numerals: 100. an ignition module; 110. an energy storage unit; 120. an energy charging unit; 121. an adjustable energy charging power supply; 130. an ignition unit; 131. an ignition head; 132. a discharge tube driving circuit; 200. a main control module; 210. a DAC unit; 220. an ADC unit; 300. a voltage regulation module; 310. a voltage boosting unit; 320. an adjustment unit; 321. an adjustable LDO; 400. a capacitance adjustment module; 500. a display module; 600. a detection comparison module; 700. and a parameter adjusting module.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, in a first aspect, some embodiments of the present application provide an ignition head ignition performance detector, which includes an ignition module 100, a main control module 200, a voltage regulation module 300, a capacitance adjustment module 400, and a display module 500. The ignition module 100 is used for ignition, and the main control module 200 is connected with the ignition module 100, and is used for collecting the detonation voltage of the ignition module 100 to obtain a voltage waveform and outputting a parameter adjusting instruction; the voltage adjusting module 300 is connected with the main control module 200 and is used for adjusting the detonation voltage of the ignition module 100 according to the parameter adjusting instruction; the capacitance adjusting module 400 is connected to the main control module 200 and is configured to switch to access the energy storage capacitor in the ignition module 100 according to the parameter adjusting instruction; the display module 500 is connected to the main control module 200, and is configured to display a voltage waveform, and display a detonation voltage in a current state and a specification of an energy storage capacitor connected to the ignition module 100.
The main control module 200 collects the detonation voltage of the ignition module 100 to obtain a voltage waveform, and outputs the voltage waveform to the display module 500, so that the display module 500 displays the voltage waveform, thereby facilitating analysis by a tester; the main control module 200 further outputs a parameter adjusting instruction to the voltage adjusting module 300 and the capacitance adjusting module 400, so that the voltage adjusting module 300 adjusts the ignition voltage, and the capacitance adjusting module 400 switches the energy storage capacitor connected to the ignition module 100, thereby testing the ignition performance of different ignition voltages and different capacitance specifications, and improving the accuracy of the test.
The ignition head ignition performance detector of the embodiment of the application, through setting up voltage regulation module 300 and capacitance adjustment module 400, the condition of energy storage component and ignition voltage is taken into account comprehensively, the accuracy of detection has been improved, and the ignition voltage of ignition module 100 and the specification of energy storage capacitor can be adjusted, with the sensitivity of adapting to different ignition heads 131, the application range of detector has been enlarged, still set up the voltage waveform that display module 500 shows ignition voltage, the graphical display of ignition curve has been realized, and, display module 500 can also show current state's ignition voltage and the specification of energy storage capacitor in the access ignition module 100, so that adjust ignition voltage.
Specifically, in this embodiment, the main control module 200 may adopt a single chip microcomputer, such as STM32F249 in STM32 series, or may also be an FPGA (Programmable logic Array) or other main control modules 200 with similar functions. The display module 500 adopts a 320 × 240 resolution LCD color screen. An ADC (Analog-to-Digital Converter) sampling unit of the main control module 200 is connected to the ignition module 100, collects the ignition voltage of the ignition module 100, obtains a voltage waveform, and outputs the voltage waveform to the display module 500, so that the display module 500 displays the voltage waveform, and a tester can observe the voltage waveform conveniently. The main control module 200 is further configured to output a parameter adjustment instruction to the voltage adjustment module 300 and the capacitance adjustment module 400, so that the voltage adjustment module 300 adjusts the firing voltage of the firing module 100 according to the parameter adjustment instruction, and the capacitance adjustment module 400 switches to access the energy storage capacitor of the firing module 100 according to the parameter adjustment instruction, where the parameter adjustment instruction may be a series of parameter adjustment values preset in the main control module 200, or a parameter adjustment instruction generated by the main control module 200 according to relevant adjustment information input by an input module of an external device. The display module 500 is further configured to display the firing voltage in the current state and the specification of the energy storage capacitor connected to the firing module 100 in real time, so that a tester can read related parameter values and perform parameter adjustment on the detector. The tester obtains the detection result of the ignition detection according to the voltage waveform displayed by the display module 500.
Referring to fig. 1 and 2, in some embodiments of the present application, an ignition module 100 includes: an ignition unit 130, an energy storage unit 110 and an energy charging unit 120. The ignition unit 130 is used for ignition, the energy storage unit 110 is connected with the ignition unit 130 and used for storing the detonation voltage of the ignition unit 130, and the energy charging unit 120 is connected with the energy storage unit 110 and used for charging the energy storage unit 110.
In some embodiments of the present application, the energy storage unit 110 includes: the energy storage capacitor C, the first resistor R1 and the first switch K1; the first end of the energy storage capacitor C is grounded, the first end of the first resistor R1 is connected with the second end of the energy storage capacitor C, the second end of the first resistor R1 is connected with the first end of the first switch K1, and the second end of the first switch K1 is connected with the ground wire. The charging unit 120 includes: the adjustable charging power supply 121, the second switch K2 and the second resistor R2; the first end of the second switch K2 is connected to the adjustable charging power source 121, the first end of the second resistor R2 is connected to the second end of the second switch K2, and the second end of the second resistor R2 is connected to the second end of the energy storage capacitor C. The firing unit 130 includes a firing head 131, a third switch K3, and a fourth switch K4; the first end of the ignition head 131 is connected with the main control module 200, the first end of the third switch K3 is connected with the second end of the ignition head 131, the second end of the third switch K3 is connected with the ground wire, and the fourth switch K4 is connected with the ignition head 131 in parallel.
With this arrangement, a three-layer fuse is provided in the ignition module 100 to ensure that no dangerous situations arise during testing due to circuit failure or replacement of the ignition head 131.
Specifically, the first switch K1 may adopt any one of a second MOS transistor, a first triode, an electronic switch or a relay, the second switch K2 may adopt any one of a third MOS transistor, a second triode, an electronic switch or a relay, the third switch K3 may adopt any one of a first MOS transistor, a third triode, an electronic switch or a relay, and the fourth switch K4 may adopt any one of a fourth MOS transistor, a fourth triode, an electronic switch or a relay. In this embodiment, the first switch K1 is a second MOS transistor, the second switch K2 is a third MOS transistor, the third switch K3 is a first MOS transistor, and the fourth switch K4 is a relay. In the initial state, the fourth switch K4 is in the closed state, the second switch K2 is in the open state, the first switch K1 is in the closed state, and the third switch K3 is in the open state, under the condition, the energy storage capacitor C is in the safe and non-electric state, the ignition head 131 is in the short-circuit state, and a three-layer fuse is arranged in the circuit of the ignition module 100 to ensure that the dangerous condition can not occur during testing due to circuit failure or replacement of the ignition head 131. When the detection process begins, the ignition module 100 enters an initial state, the ignition head 131 is installed on a specified terminal, the voltage of the adjustable energy charging power supply 121 is set, the first switch K1 is disconnected, the fourth switch K4 is disconnected, and the second switch K2 is closed so as to charge the energy storage capacitor C, and after the charging is finished, the ignition module 100 is in a state to be ignited. When the ignition operation is triggered, the second switch K2 is turned off, the energy storage capacitor does not supplement external energy at this time, the third switch K3 is turned on, the energy storage capacitor C ignites the ignition head 131, the ADC sampling unit of the main control module 200 records the voltage waveform of the ignition voltage, and outputs the voltage waveform to the display module 500. The tester completes an experiment according to the actual firing condition of the firing head 131, and the circuit is restored to the initial state.
Referring to fig. 3, in some embodiments of the present application, the firing unit 130 further includes a discharge tube driving circuit 132, an output voltage of the discharge tube driving circuit 132 is equal to a voltage of the adjustable charging power source 121, the third switch K3 is a first MOS transistor, a drain of the first MOS transistor is connected to the second terminal of the ignition head 131, a source of the first MOS transistor is connected to a ground, and a gate of the first MOS transistor is connected to the discharge tube driving circuit 132.
The output voltage of the discharge tube driving circuit 132 is equal to the voltage of the adjustable charging power supply 121, so that the first MOS tube is quickly conducted, the time of serially connecting resistors in a loop is shortened, and the test error is reduced.
It should be noted that although the third switch K3 can also select the third transistor instead of the first MOS transistor as the ignition switch, it needs to be noticed when the third transistor is selected, and it needs to be ensured that the third transistor can be turned on quickly, otherwise, the time for connecting the series resistors in the loop will be increased, which results in an increase in the test error.
In some embodiments of the present application, the detector further comprises: and the detection and comparison module 600, the detection and comparison module 600 is connected with the second end of the energy storage capacitor C, and is used for detecting the voltage of the energy storage capacitor C and obtaining a discharging result according to the voltage of the energy storage capacitor C and a preset reference voltage. In the present embodiment, the detection comparing module 600 is a comparator U1.
After the energy storage element C fires the ignition head 131, the detection and comparison module 600 collects the energy storage voltage of the energy storage capacitor C, and when the energy storage voltage is smaller than the preset reference voltage, the comparator U1 turns over to notify the main control module 200 of the current discharging result.
Referring to fig. 4, in some embodiments of the present application, the master control module 200 includes a DAC unit 210 and an ADC unit 220, where all of the DACs are referred to as: Digital-to-Analog Converter (dac); the voltage regulation module 300 includes a boosting unit 310 and a regulating unit 320. The boosting unit 310 is configured to boost a battery voltage to obtain a boosted voltage, the adjusting unit 320 is connected to the DAC unit 210 and configured to adjust the firing voltage according to the parameter adjustment information, the adjusting unit 320 is further connected to the ADC unit 220 of the main control module 200, and the main control module 200 is further configured to acquire the firing voltage adjusted by the adjusting unit 320.
The adjustment of the detonation voltage is realized through the adjusting unit 320, and meanwhile, the ADC unit 220 of the main control module 200 also collects the adjusted detonation voltage, so that the closed-loop regulation and control of the detonation voltage are realized, and the adjustment precision is increased.
In some embodiments of the present application, the regulating unit 320 includes the adjustable LDO321, the integrated op amp U2, a third resistor R3, a fourth resistor R4, and a fifth resistor R5. The input end of the adjustable LDO321 is connected with the boost unit 310, the output end of the adjustable LDO321 is connected with the ADC unit 220, the non-inverting input end of the integrated operational amplifier U2 is connected with the DAC unit 210, the first end of the third resistor R3 is connected with the output end of the integrated operational amplifier U2, the second end of the third resistor R3 is connected with the FB pin of the adjustable LDO321, the first end of the fourth resistor R4 is connected with the output end of the adjustable LDO321, the second end of the fourth resistor R4 is connected with the second end of the third resistor R3, the first end of the fifth resistor R5 is connected with the first end of the fourth resistor R4, and the second end of the fifth resistor R5 is connected with the ground line.
The adjustment of the detonation voltage is realized through the setting, and meanwhile, the ADC unit 220 of the main control module 200 also collects the adjusted detonation voltage, so that the closed-loop regulation and control of the detonation voltage are realized, and the adjustment precision is increased.
Specifically, in the present embodiment, the DAC unit 210 is the DAC unit 210 of the main control module 200, or an additional DAC unit 210 may be adopted, and if the reference source is REF, the output voltage range of the DAC is 0 to REF. Since the driving capability of the DAC is generally weak, an integrated op amp is added to the DAC to increase the driving capability of the DAC, wherein the effect of the integrated op amp to select to follow, amplify or reduce is determined by the voltage of the FB pin of the adjustable LDO 321. The adjustable LDO321 generally has a feedback voltage connected to its FB pin, the output voltage is related to the FB pin, and the FB pin voltage is composed of a resistor divider of the power output, which in this embodiment is divided by a fourth resistor R4 and a fifth resistor R5.
The battery voltage is boosted by the boosting unit 310, in this embodiment, the boosting unit 310 adopts a dc to dc converter (DCDC) boosting module to boost the battery voltage to obtain a boosted voltage, and the boosted voltage is output to the adjustable LDO321, and the DAC unit 210 generates a controllable voltage VDAC，VDACAfter the driving capability is increased by the integrated operational amplifier U2, the third resistor R3 is connected in series when the voltage is VDACIn the range of 0 to VREFWhen the range is changed, the voltage at the end R3 is changed along with VDACThe voltage of the FB pin of the adjustable LDO321 is proportional to the change, and when the voltage of the FB pin of the adjustable LDO321 is included by the voltage of the third resistor R3, the adjustable LDO321 outputs the regulated firing voltage, thereby realizing a larger range of regulation. The regulated detonation voltage is fed back to the main control module 200 through the ADC unit 220, thereby forming closed-loop regulation and control, and realizing setting of higher voltage precision.
Adjustable LDO321 voltage output formula: vo (1+ R4/R5) VFB(ii) a I.e. proportional changes in resistance may affect the output voltage. When the voltage of the third resistor R3 is greater than VFBWhen the resistance value of the fourth resistor R4 is equal to the resistance value of the fourth resistor R4; when the voltage of the fifth resistor R5 is less than VFBWhen the resistance value of the fifth resistor R5 is equal to the resistance value of the fifth resistor R5 connected in parallel; when the voltage of the third resistor R3 is equal to VFBThis corresponds to a virtual open circuit of the third resistor R3. And the parallel equivalent resistance value is dependent on VDACAnd may vary. Thus the whole adjustable voltageIs within Vo (the voltage of the third resistor R3 is equal to V)FBTime) this value is starting point and is adjustable to increase or decrease.
Referring to fig. 5, in some embodiments of the present application, the detecting apparatus further includes a parameter adjusting module 700, where the parameter adjusting module 700 is connected to the main control module 200 and is configured to output parameter adjusting information, and the main control module 200 is configured to output a parameter adjusting instruction according to the parameter adjusting information.
The parameter adjusting module 700 is additionally arranged in the detector, a series of adjusting parameters do not need to be preset in the main control module 200, and in addition, the parameter adjusting is more convenient to set, so that the tester can adjust the parameters in real time.
Specifically, in this embodiment, the parameter adjusting module 700 is a numeric keypad, and related parameter adjusting information is input on the numeric keypad, converted by the DAC unit 210 of the main control module 200 to generate a parameter adjusting instruction, and the parameter adjusting instruction is output to the voltage adjusting module 300 to adjust the firing voltage; or the parameter adjusting instruction is output to the capacitance adjusting module 400 to realize the switching of the energy storage capacitor.
In some embodiments of the present invention, the capacitance adjusting module 400 includes a plurality of energy storage capacitors (not shown) with different specifications and a relay (not shown) for switching the ignition module 100 to connect to the energy storage capacitors with different specifications.
Through setting up like this, realized energy storage capacitor's switching, improved the suitability of the ignition head 131 performance detector that fires of this application embodiment.
Specifically, the capacitance adjusting module 400 may be provided with commonly used tantalum capacitors, such as tantalum capacitors with different specifications, e.g., 22uF, 33uF, 47uF, 68uF, 100uF, and the like, which capacitors may be combined differently, and which capacitors are connected to the ignition module 100 through a relay to be used as energy storage capacitors; a custom capacitive interface may also be provided on the capacitance adjustment module 400 to test for external connection to various types of energy storage elements.
Referring to fig. 6, in a second aspect, the present embodiment further provides a method for detecting ignition performance of an ignition head, including, but not limited to, step S100, step S200, step S300, step S400, and step S500.
Step S100: the main control module collects the detonation voltage of the ignition module to obtain a voltage waveform;
step S200: the main control module outputs a parameter adjusting instruction;
step S300: the voltage adjusting module adjusts the detonation voltage of the ignition module according to the parameter adjusting instruction;
step S400: the capacitance adjusting module switches and accesses the capacitance in the ignition module according to the parameter adjusting instruction;
step S500: the display module displays the voltage waveform and displays the detonation voltage in the current state and the specification of the energy storage capacitor connected into the ignition module.
The main control module collects the detonation voltage of the ignition module to obtain a voltage waveform, and outputs the voltage waveform to the display module so that the display module displays the voltage waveform, thereby facilitating analysis by a tester; the main control module further outputs a parameter adjusting instruction to the voltage adjusting module and the capacitance adjusting module, so that the voltage adjusting module adjusts the detonation voltage, and the capacitance adjusting module switches the energy storage capacitor connected to the ignition module, so that the ignition performance is tested for different detonation voltages and different capacitance specifications, and the testing accuracy is improved.
The ignition head ignition performance detector of the embodiment of the application, through setting up voltage regulation module and electric capacity adjustment module, the condition of energy storage component and ignition voltage is taken into account to the synthesis, the accuracy of detection has been improved, and the ignition voltage of ignition module and the specification of energy storage capacitor can be adjusted, so as to adapt to the sensitivity of different ignition heads, the application range of detector has been enlarged, still set up the voltage waveform that display module shows ignition voltage, the graphical display of ignition curve has been realized, and, display module can also show current state's ignition voltage and the specification of energy storage capacitor in the module of inserting ignition, so that adjust ignition voltage.
In the ignition head ignition performance detection method according to the embodiment of the present application, the operation flow or the detection flow is similar to the operation flow or the detection flow of the ignition head ignition performance detector, and the specific operation flow refers to the ignition head ignition performance detector, which is not described herein again.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. Ignition head ignition performance detector, its characterized in that includes:
the ignition module is used for igniting;
the main control module is connected with the ignition module and used for acquiring the ignition voltage of the ignition module to obtain a voltage waveform, and the main control module is also used for outputting a parameter adjusting instruction;
the voltage adjusting module is connected with the main control module and used for adjusting the detonation voltage of the ignition module according to the parameter adjusting instruction;
the capacitance adjusting module is connected with the main control module and used for switching and accessing the energy storage capacitor in the ignition module according to the parameter adjusting instruction;
and the display module is connected with the main control module and used for displaying the voltage waveform and displaying the detonation voltage in the current state and the specification of the energy storage capacitor connected into the ignition module.
2. The meter of claim 1, wherein the firing module comprises:
an ignition unit for igniting;
the energy storage unit is connected with the ignition unit and used for storing the ignition voltage of the ignition unit;
and the energy charging unit is connected with the energy storage unit and is used for charging the energy storage unit.
3. The meter of claim 2, wherein the energy storage unit comprises:
the first end of the energy storage capacitor is connected with a ground wire;
the first end of the first resistor is connected with the second end of the energy storage capacitor;
a first end of the first switch is connected with a second end of the first resistor, and a second end of the first switch is connected with the ground wire;
the charging unit includes:
an adjustable energy charging power supply;
a first end of the second switch is connected with the adjustable charging power supply;
a first end of the second resistor is connected with a second end of the second switch, and a second end of the second resistor is connected with a second end of the energy storage capacitor;
the firing unit includes:
the first end of the ignition head is connected with the main control module;
a first end of the third switch is connected with a second end of the ignition head, and a second end of the third switch is connected with the ground wire;
a fourth switch connected in parallel with the firing head.
4. The meter of claim 3, wherein the firing unit further comprises:
a discharge tube driving circuit, an output voltage of the discharge tube driving circuit being equal to the adjustable charging power supply voltage;
the third switch is a first MOS tube, the drain electrode of the first MOS tube is connected with the second end of the ignition head, the source electrode of the first MOS tube is connected with the ground wire, and the grid electrode of the first MOS tube is connected with the discharge tube driving circuit.
5. The monitor of claim 3, further comprising:
and the detection comparison module is connected with the second end of the energy storage capacitor and used for detecting the voltage of the energy storage capacitor and obtaining a discharge result according to the voltage of the energy storage capacitor and a preset reference voltage.
6. The meter of claim 1, wherein the master control module comprises: a DAC unit and an ADC unit;
the voltage regulation module includes:
the boosting unit is used for boosting the voltage of the battery to obtain boosted voltage;
the adjusting unit is connected with the boosting unit and the DAC unit of the main control module and used for adjusting the detonation voltage according to the parameter adjusting information;
the adjusting unit is further connected with the ADC unit of the main control module, and the main control module is further used for collecting the detonation voltage adjusted by the adjusting unit.
7. The meter according to claim 6, wherein the adjustment unit comprises:
the input end of the adjustable LDO is connected with the boosting unit, and the output end of the adjustable LDO is connected with the ADC unit of the main control module;
the non-inverting input end of the integrated operational amplifier is connected with the DAC unit;
a first end of the third resistor is connected with the output end of the integrated operational amplifier, and a second end of the third resistor is connected with an FB pin of the adjustable LDO;
a first end of the fourth resistor is connected with the output end of the adjustable LDO, and a second end of the fourth resistor is connected with a second end of the third resistor;
and a first end of the fifth resistor is connected with a first end of the fourth resistor, and a second end of the fifth resistor is connected with the ground wire.
8. The meter of claim 1, further comprising:
the parameter adjusting module is connected with the main control module and used for outputting parameter adjusting information;
the main control module is used for outputting the parameter adjusting instruction according to the parameter adjusting information.
9. The meter of claim 1, wherein the capacitance adjustment module comprises:
a plurality of energy storage capacitors of different specifications;
and the relay is used for switching the ignition module to be connected into the energy storage capacitors with different specifications.
10. The ignition head ignition performance detection method is characterized by comprising the following steps:
the main control module collects the detonation voltage of the ignition module to obtain a voltage waveform;
the main control module outputs a parameter adjusting instruction;
the voltage adjusting module adjusts the detonation voltage of the ignition module according to the parameter adjusting instruction;
the capacitance adjusting module switches and accesses the capacitance in the ignition module according to the parameter adjusting instruction;
and the display module displays the voltage waveform and displays the detonation voltage in the current state and the specification of an energy storage capacitor connected into the ignition module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110938775.3A CN113639600A (en) | 2021-08-16 | 2021-08-16 | Ignition head ignition performance detector and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110938775.3A CN113639600A (en) | 2021-08-16 | 2021-08-16 | Ignition head ignition performance detector and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234745A (en) * | 2021-12-30 | 2022-03-25 | 无锡盛景微电子股份有限公司 | Ignition resistance temperature detection device and method of electronic detonator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234745A (en) * | 2021-12-30 | 2022-03-25 | 无锡盛景微电子股份有限公司 | Ignition resistance temperature detection device and method of electronic detonator |
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