CN215001697U - Super capacitor multi-channel timing igniter based on embedded circuit board - Google Patents
Super capacitor multi-channel timing igniter based on embedded circuit board Download PDFInfo
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- CN215001697U CN215001697U CN202120492969.0U CN202120492969U CN215001697U CN 215001697 U CN215001697 U CN 215001697U CN 202120492969 U CN202120492969 U CN 202120492969U CN 215001697 U CN215001697 U CN 215001697U
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Abstract
The utility model discloses a super capacitor multichannel timing point firearm based on embedded circuit board, include: the ignition device comprises a main shell, an analog-to-digital converter, a super capacitor, a power supply battery, a circuit board, a battery, a rotary potentiometer, an igniter power switch, a nixie tube display, a capacitor charging switch, a first LED indicator lamp, a second LED indicator lamp, a first starting emitting switch, a second starting emitting switch, a third starting emitting switch and an ignition head socket; the utility model adopts the timing control device to effectively control the ignition countdown time, and after the time is set, the related operators can be far away from the launching pad, thereby ensuring the enough safety distance and reducing the accident probability; the aluminum alloy metal shell is adopted, so that the use under severe emission conditions is met; the use flexibility of the igniter can be greatly improved by adopting the rechargeable lithium ion battery, the service life of the igniter is prolonged, the voltage of the battery can be monitored, the battery can be replaced in time, and the harm caused by over discharge of the battery is avoided.
Description
Technical Field
The utility model relates to a model rocket field especially relates to a super capacitor multichannel timing point firearm based on embedded circuit board.
Background
With the gradual development of aerospace technology, aerospace science popularization culture is gradually flourishing, and small-sized rockets such as small-sized solid rocket performance, scientific research rocket model competition and the like are more commonly launched.
The existing device mainly comprises a power supply, a safety pin, an indicator light, a transmitting button, a plastic shell, a lead, an alligator clip and the like. When the alligator clip switches on the igniter and simultaneously inserts the safety pin, the internal circuit is switched on and the indicator light lights up. When the firing button is pressed, the metal sheet short-circuits the internal resistor and the light-emitting diode, the circuit current is increased, and the ignition head is ignited.
However, there are many problems with the prior art devices, such as: the transmitting personnel operates the transmitting action and has errors with the transmitting countdown second reading; common plastic materials such as ABS and the like in the market are not ablation-resistant, and have great danger under the conditions that the launching environment is more open fire, ablation gas and inflammable substances, a few plastic materials such as PMMA are firm and high-transparent but have high manufacturing cost, the plastic sealing property is poor, and the device is easy to enter water under extreme launching environments such as rainy and snowy days, so that the launching device is easy to malfunction and even out of control and the like, and the plastic materials have great danger; the internal power supply is a dry battery, the battery has small capacity and low voltage, needs to be connected in series for power supply, cannot be charged, has low repeated utilization rate and poor external environment adaptability, and is easy to cause environmental pollution; the instantaneous discharge current is small, and the large-resistance ignition head cannot be ignited; the firing button is susceptible to vibration, causing erroneous firing; the igniter is easy to lose efficacy under low temperature conditions due to the problems of small current and voltage and the like. Therefore, a need exists for an embedded circuit board based supercapacitor multi-channel timed igniter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a super capacitor multichannel timing point firearm based on embedded circuit board realizes timing control, guarantees the leakproofness of casing, provides sufficient big battery capacity and mains voltage.
In order to achieve the above object, the utility model provides a following scheme:
an embedded circuit board based supercapacitor multi-channel timed igniter comprising: the device comprises a main shell, an analog-to-digital converter, a super capacitor, a power supply battery and a circuit board;
the main shell is provided with a rotary potentiometer, an igniter power switch, a nixie tube display, a capacitor charging switch, a plurality of LED indicating lamps, a plurality of starting and transmitting switches and a plurality of ignition head sockets;
the rotary potentiometer is used for controlling the time length of ignition countdown;
the igniter power switch is used for controlling the power supply and the power off of the control device;
the nixie tube display is used for displaying countdown time and the voltage of the super capacitor;
the capacitor charging switch is used for controlling the charging and discharging of the super capacitor;
the LED indicator light is used for displaying the emission state of the igniter;
the starting and transmitting switch is used for controlling the working state of the igniter;
the ignition head socket is used for being connected with an ignition head which needs to be ignited from the outside;
the power supply battery is used for supplying power to the equipment;
the analog-to-digital converter at least comprises a first analog-to-digital converter, a second analog-to-digital converter and a third analog-to-digital converter, wherein the first analog-to-digital converter is used for carrying out potential control on the rotary potentiometer, the second analog-to-digital converter is used for monitoring the voltage of the super capacitor, and the third analog-to-digital converter is used for monitoring the voltage of the power supply battery;
the first analog-to-digital converter, the second analog-to-digital converter, the third analog-to-digital converter, the super capacitor and the power supply battery are arranged in the main shell, and the rotary potentiometer, the igniter power switch, the nixie tube displayer, the capacitor charging switch, the LED indicator lamp, the starting and emitting switch, the first analog-to-digital converter, the second analog-to-digital converter, the third analog-to-digital converter and the super capacitor are connected with the circuit board through leads.
Preferably, the circuit board integrates all control circuits for timing ignition, and the control circuit is composed of a voltage-stabilized power supply, a filter circuit, an ignition circuit, a battery voltage measuring circuit, a potentiometer setting circuit and a nixie tube display circuit.
Preferably, the regulated power supply adopts AMS1117-3.3, and the filter circuit consists of a plurality of capacitors and is arranged beside a power supply pin.
Preferably, the power supply battery is a 9V rechargeable lithium ion battery.
Preferably, the main housing is an aluminum alloy metal main housing.
Preferably, the main casing body further comprises a battery cover, and the battery cover is detachably connected with the main casing body.
Preferably, the super capacitor is ignited by adopting a charging and discharging mode.
The utility model discloses a following beneficial effect:
(1) the utility model adopts the timing control device, the ignition countdown can be effectively controlled, and after the countdown time is set, the relevant operators can be further away from the launching pad, so that the enough safety distance is ensured, and the probability of accidents is greatly reduced;
(2) the utility model adopts the aluminum alloy metal shell and the embedded assembly, so that the beauty, reliability, sealing property, ablation resistance and impact resistance of the shell are greatly improved, and the use under more severe launching conditions is satisfied;
(3) the utility model adopts the chargeable lithium ion battery, the energy density of the battery is high, the use flexibility of the igniter can be greatly improved, the service life of the igniter is prolonged, and the ignition is more reliable due to higher voltage and electric capacity; the battery voltage can be monitored, the battery can be replaced in time, and the damage caused by over-discharge of the battery is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is an isometric view of a model igniter of the present invention;
FIG. 2 is a front view of the igniter model of the present invention;
fig. 3 is a bottom view of the igniter model of the present invention;
fig. 4 is a rear view of the igniter model of the invention;
FIG. 5 is a side view of the igniter module of the present invention;
FIG. 6 is a schematic diagram of a nixie tube display circuit of the present invention;
FIG. 7 is a schematic diagram of the timer and ignition circuit of the present invention;
FIG. 8 is a schematic diagram of a voltage reading circuit according to the present invention;
the device comprises a rotary potentiometer 1, an igniter power switch 2, a nixie tube display 3, a capacitor charging switch 4, an LED indicator lamp I5, an LED indicator lamp II 6, a starting emission switch I7, a starting emission switch II 8, a starting emission switch III 9 and an ignition head socket 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a super capacitor multichannel timing point firearm based on embedded circuit board, as shown in fig. 1, include: main casing body, battery cover, adc, super capacitor, power battery, the main casing body (as shown in fig. 2) includes: the rotary potentiometer 1 is positioned on the main shell, the rotary potentiometer 1 is positioned on the left side of the rotary potentiometer 1, the LED indicator lamp I5 and the LED indicator lamp II 6 are positioned on the right side of the rotary potentiometer 1, the starting emission switch I7, the starting emission switch II 8 and the starting emission switch III 9 are positioned on the right side of the rotary potentiometer 1, and the starting emission switch I7, the LED indicator lamp I5 and the LED indicator lamp II 6 are positioned on the right side of the rotary potentiometer 1, Start emitting switch two 8, start emitting switch three 9 and be located the right side of LED pilot lamp one 5, LED pilot lamp two 6, start emitting switch one 7, start emitting switch two 8, start emitting switch three 9 and arrange in proper order from the top down in proper order, the first side of the main casing body is with ignition head socket 10 (as shown in fig. 4), the second side of the main casing body is with ignition ware switch 2 and electric capacity charge switch 4 (as shown in fig. 5), the ignition ware adopts potentiometre, charactron linkage timing control super capacitor charge-discharge to ignite.
The utility model discloses an all metal casing, the main casing body all adopt metal aluminium machine tooling to form with the battery cover, and in the main casing body is embedded to the battery cover to through one side countersunk screw connection, guaranteed ignition normal work under adverse conditions, conveniently change the battery again.
The lithium ion battery has many advantages, such as high energy density, high open-circuit voltage, large output power, no memory effect (the lithium iron phosphate lithium ion battery has no memory effect, can be charged and discharged at any time under the condition of no discharge, and is simple and convenient to use and maintain), low self-discharge, wide working temperature range, high charging and discharging speed and the like. The utility model discloses a chargeable lithium ion battery of 9V compares in original background's voltage higher as power battery, and battery capacity, energy density are bigger to but charge-discharge can discharge the battery to the easiest storage voltage storage when the device is idle, has guaranteed security and flexibility that the battery stored.
The analog-to-digital converter comprises a first analog-to-digital converter, a second analog-to-digital converter and a third analog-to-digital converter, wherein the first analog-to-digital converter is used for carrying out potential control on the rotary potentiometer 1, the second analog-to-digital converter is used for monitoring the voltage of the super capacitor, and the third analog-to-digital converter is used for monitoring the voltage of the power supply battery.
The utility model adopts a timing control device, as shown in fig. 6, a nixie tube display circuit, and the technician in charge of controlling the emission only needs to set the expected ignition countdown time difference (in seconds, at most 999 seconds) to minimize the human reading second error; the analog-to-digital converter is used for monitoring the battery voltage (as shown in fig. 7), the ADC (analog-to-digital converter) is used for monitoring the battery voltage (as shown in fig. 8), and a novel circuit structure, namely a super capacitor charging and discharging ignition circuit, is adopted to generate large current so as to ensure that an ignition head is successfully ignited.
The igniter comprises three states in operation:
1. a preparation state:
when the first starting emission switch 7, the second starting emission switch 8 and the third starting emission switch 9 are all shifted to 0 gear, the igniter power switch 2 is turned on, the control circuit and the nixie tube displayer 3 are powered on, and the nixie tube displayer 3 displays super-capacitor voltage.
2. The charging state is as follows:
after the preparation state checking device works normally, the capacitor charging switch 4 is pressed, when the capacitor charging switch 4 is closed, the super capacitor starts to charge, meanwhile, the capacitor voltage is displayed on the nixie tube displayer 3, when the capacitor voltage reaches a required value, the capacitor charging switch 4 is disconnected, and the charging is finished.
3. And (3) a transmitting state:
all settings are complete and LED indicator light one 5 is on (green), then emission is possible. And (3) setting the starting launch switch I7 to 1 gear, starting countdown of the igniter, automatically switching on an ignition circuit when the countdown is zero, and discharging by using the super capacitor to ignite an ignition head of the rocket engine to finish launch. If an emergency occurs in the countdown process and the transmission needs to be terminated, the starting transmission switch I7 is immediately returned to the 0 gear, and the super capacitor discharges electricity to the reserve resistor, so that the transmission is terminated.
Emission setting:
setting the starting transmission switch III 9 to be in a gear 1, wherein the starting transmission switch III is in a transmission mode, displaying a transmission countdown initial number by the nixie tube display 3, freely setting countdown duration through the rotary potentiometer 1, selecting a transmission channel after the countdown setting is finished, shifting the starting transmission switch II 8 to the gear 1, rotating the rotary potentiometer 1, and changing the number on the nixie tube display 3 at the moment to correspond to an ignition channel. And after the channel selection is finished, the second starting transmission switch 8 is toggled to 0 gear, so that the transmission channel selection is finished. And (4) observing the indicator lamp after the selection is finished, wherein if the first LED indicator lamp 5 is lightened (green), the indicator lamp can emit, and if the second LED indicator lamp 6 is lightened (red), the indicator lamp does not have an emission condition, and the step is required to be returned to for checking.
The utility model mainly comprises an embedded control circuit board of a timing igniter and a metal shell. The timing igniter circuit board integrates all control circuits for timing ignition. The control circuit has increased characteristic circuit on the basis of the necessary power supply circuit of every singlechip, filter circuit, starting circuit, download and communication circuit and voltage stabilizing circuit, includes: the ignition circuit and the ADC-nixie tube adjustable timing circuit. The ignition head socket 10 is connected with an ignition head which needs to be ignited externally in series, the rotary potentiometer 1 is used for setting ignition countdown time, and the ignition power switch 2 controls the power supply condition of the whole device.
The main shell is a metal shell customized on the basis of the appearance of a timing igniter circuit board, and the rotary potentiometer 1 and the nixie tube display 3 are arranged outside. When the first starting emission switch 7, the second starting emission switch 8 and the third starting emission switch 9 are all shifted to the 0 gear, the igniter power switch 2 is turned on, the ADC port voltage is adjusted through the rotary potentiometer 1, the obtained voltage information is returned to the MCU main chip (STM32F103C8T6), an analog level signal is output to the 3 digital tube control chips (SN74LS47N) through the chips, and then level signals for driving the three corresponding digital tubes (SM410561N) are generated. And generating countdown time corresponding to the relative position of the potentiometer, wherein the control circuit and the nixie tube display 3 are powered on, and the nixie tube display 3 displays the voltage of the super capacitor.
When the circuit is powered on and the capacitor charging switch 4 is pressed before transmission is ready, the super capacitor starts to charge, the voltage of the capacitor is displayed on the nixie tube display 2, and when the voltage of the capacitor reaches a required value, the button switch 4 is switched off, and the charging is finished.
The third 9 starting transmission switch is set to 1 gear, namely, a transmission mode, at the moment, a nixie tube display 2 displays a transmission countdown initial number, and the countdown duration can be freely set by adjusting the rotary potentiometer 1. After the countdown setting is finished, the emission channel is selected, the second 8 to 1 gear of the emission switch is started by shifting, the potentiometer is rotated, and at the moment, the digital display 2 can change in 1 to 3 gears and corresponds to the ignition channel. And after the channel selection is finished, the launching switch 8 is toggled to be started to a 0 gear, and the launching channel selection is finished. And (4) observing the LED indicator lamp after the selection is finished, if the first LED indicator lamp 5 is lightened (green), the LED indicator lamp can emit, and if the second LED indicator lamp 6 is lightened (red), the LED indicator lamp does not have an emission condition, and the step should be returned to the step for checking.
When all settings are complete and LED indicator light one 5 is illuminated (green), then emission may occur. And (3) setting the starting launch switch I7 to 1 gear, starting countdown of the igniter, automatically switching on an ignition circuit when the countdown is zero, and discharging by using the super capacitor to ignite an ignition head of the rocket engine to finish launch. If an emergency occurs in the countdown process and the transmission needs to be terminated, the starting transmission switch I7 is immediately returned to the 0 gear, and the super capacitor discharges electricity to the reserve resistor, so that the transmission is terminated.
The utility model discloses the beneficial effect who produces does:
(1) the utility model adopts the timing control device to effectively control the ignition countdown time, and after the time is set, the related operators can be far away from the launching pad, so as to ensure the enough safety distance and greatly reduce the probability of accidents;
(2) the utility model adopts the aluminum alloy metal shell and the embedded assembly, so that the beauty, reliability, sealing property, ablation resistance and impact resistance of the shell are greatly improved, and the use under more severe launching conditions is satisfied;
(3) the utility model adopts the chargeable lithium ion battery, the energy density of the battery is high, the use flexibility of the igniter can be greatly improved, the service life of the igniter is prolonged, the ignition is carried out by adopting the charge and discharge of the super capacitor, and the ignition reliability is ensured by the instantaneous heavy current;
(4) the utility model adopts a plurality of switch control systems and LEDs with different colors to indicate the emitting state, so that the emitting is safer;
(5) the utility model can monitor the voltage of the battery, and can replace the battery in time, thereby avoiding the harm caused by over discharge of the battery;
(6) the utility model is provided with a plurality of ignition channels, and can be replaced in time when one channel is damaged;
(7) the utility model discloses use field effect transistor to ignite the control of break-make, have the advantage that the response is fast, reliable operation.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. An embedded circuit board based supercapacitor multi-channel timed igniter, comprising: the device comprises a main shell, an analog-to-digital converter, a super capacitor, a power supply battery and a circuit board;
the main shell is provided with a rotary potentiometer (1), an igniter power switch (2), a nixie tube display (3), a capacitance charging switch (4), a plurality of LED indicating lamps, a plurality of starting and transmitting switches and a plurality of ignition head sockets (10);
the rotary potentiometer (1) is used for controlling the time length of ignition countdown;
the igniter power switch (2) is used for controlling the power supply and the power off of the device;
the nixie tube display (3) is used for displaying countdown time and the voltage of the super capacitor;
the capacitor charging switch (4) is used for controlling the charging and discharging of the super capacitor;
the LED indicator light is used for displaying the emission state of the igniter;
the starting and transmitting switch is used for controlling the working state of the igniter;
the ignition head socket (10) is used for being connected with an ignition head which needs to be ignited from the outside;
the power supply battery is used for supplying power to the equipment;
the analog-to-digital converter at least comprises a first analog-to-digital converter, a second analog-to-digital converter and a third analog-to-digital converter, wherein the first analog-to-digital converter is used for carrying out potential control on the rotary potentiometer (1), the second analog-to-digital converter is used for monitoring the voltage of the super capacitor, and the third analog-to-digital converter is used for monitoring the voltage of the power supply battery;
the first analog-to-digital converter, the second analog-to-digital converter, the third analog-to-digital converter, the super capacitor and the power supply battery are arranged in the main shell, and the rotary potentiometer (1), the igniter power switch (2), the nixie tube display (3), the capacitor charging switch (4), the LED indicator lamp, the starting and transmitting switch, the first analog-to-digital converter, the second analog-to-digital converter, the third analog-to-digital converter and the super capacitor are connected with the circuit board through leads.
2. The embedded circuit board based supercapacitor multi-channel timing igniter as claimed in claim 1, wherein the circuit board integrates all control circuits for timing ignition, and the control circuits are composed of a voltage-stabilized power supply, a filter circuit, an ignition circuit, a battery voltage measuring circuit, a potentiometer setting circuit and a nixie tube display circuit.
3. The embedded circuit board based super capacitor multi-channel timing igniter as claimed in claim 2, wherein the regulated power supply adopts AMS1117-3.3, and the filter circuit is composed of a plurality of capacitors and is disposed beside a power supply pin.
4. The embedded circuit board based supercapacitor multi-channel timing igniter of claim 3, wherein the power supply battery is a 9V rechargeable lithium ion battery.
5. The embedded circuit board based supercapacitor multi-channel timing igniter as claimed in claim 1, wherein the main housing is an aluminum alloy metal main housing.
6. The embedded circuit board based supercapacitor multi-channel timing igniter as claimed in claim 5, wherein the main housing further comprises a battery cover, and the battery cover is detachably connected with the main housing.
7. The embedded circuit board based supercapacitor multi-channel timing igniter as claimed in claim 1, wherein the supercapacitor is ignited by charging and discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120492969.0U CN215001697U (en) | 2021-03-09 | 2021-03-09 | Super capacitor multi-channel timing igniter based on embedded circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120492969.0U CN215001697U (en) | 2021-03-09 | 2021-03-09 | Super capacitor multi-channel timing igniter based on embedded circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215001697U true CN215001697U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120492969.0U Active CN215001697U (en) | 2021-03-09 | 2021-03-09 | Super capacitor multi-channel timing igniter based on embedded circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215001697U (en) |
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2021
- 2021-03-09 CN CN202120492969.0U patent/CN215001697U/en active Active
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