CN115638700A - A chronogenesis recording equipment for multichannel initiating explosive device - Google Patents
A chronogenesis recording equipment for multichannel initiating explosive device Download PDFInfo
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Abstract
The invention provides a time sequence recording device for a multi-channel initiating explosive device, belongs to the field of initiating explosive device time sequence control testing, and solves the problems that the prior art cannot be universal, the testing data information is less, and the intelligent degree is low. The equipment comprises an initiating explosive device load simulator, a signal conversion module, a signal acquisition module and a main control computer. One path of control signals of the rocket-borne or missile-borne control system sequentially pass through the initiating explosive device load simulator, the signal conversion module and the signal acquisition module and then enter the main control computer to simulate loaded branches in the initiating explosive devices, and the other path of control signals sequentially pass through the signal conversion module and the signal acquisition module and then enter the main control computer to simulate unloaded branches in the initiating explosive devices. The main control machine is used for executing the time sequence control signal test of the multi-channel initiating explosive device, receiving the time sequence current and the time sequence pulse width data of the loaded branch circuit and the unloaded branch circuit, identifying whether the time sequence transmission of each channel in the initiating explosive device is safe or not, and sending the identification result, the time sequence current and the time sequence pulse width data to the ground test and control equipment.
Description
Technical Field
The invention relates to the field of initiating explosive device time sequence control testing, in particular to time sequence recording equipment for a multi-channel initiating explosive device.
Background
At present, initiating explosive device time sequence recording equipment is widely applied to the field of rocket (or missile) development and manufacture, and is an effective means for testing and recording the initiating explosive device time sequence. Due to the particularity of the initiating explosive device, multiple actual tests cannot be carried out by adopting a real initiating explosive device in the rocket (or missile) development and manufacturing processes, but in order to ensure the reliability of rocket (or missile) ignition, multiple equivalent tests must be carried out on the initiating explosive device ignition time sequence, and in order to solve the problem of the contradiction, a matched initiating explosive device time sequence recorder is required to be used for testing, recording and analyzing the ignition time sequence before launching.
Most of the existing initiating explosive device time sequence recording equipment is special for each model project, functions correspond to the model projects, the design universalization degree is low, the interior of the equipment is not divided into a loading mode and an idle load mode, the equipment is easy to damage, and the service life of the equipment is shortened. Moreover, the degree of intellectualization of the existing most initiating explosive device time sequence recording equipment is low, the test data information is less, the data recording mode is complicated, the external interface is single, and the use is very inconvenient. Meanwhile, the equipment cannot detect the connection state of the initiating explosive device loop, the time system receiving mode is less, and the display content of the equipment is less.
Disclosure of Invention
In view of the foregoing analysis, the embodiments of the present invention provide a timing recording device for a multi-channel initiating explosive device, so as to solve the problems that the prior art is not universal, has less test data information, and has a low intelligence level.
On one hand, the embodiment of the invention provides a time sequence recording device for a multi-channel initiating explosive device, which comprises an initiating explosive device load simulator, a signal conversion module, a signal acquisition module and a main control computer; wherein the content of the first and second substances,
one path of a control signal output end of the rocket-borne or missile-borne control system is sequentially connected with a main control machine after passing through an initiating explosive device load simulator, a signal conversion module and a signal acquisition module so as to simulate a loaded branch in a multi-channel initiating explosive device, and the other path of the control signal output end is sequentially connected with the main control machine after passing through the signal conversion module and the signal acquisition module so as to simulate an unloaded branch in the multi-channel initiating explosive device;
the main control machine is used for executing the time sequence control signal test of the multi-channel initiating explosive device, receiving the time sequence current and the time sequence pulse width data of the loaded branch circuit and the unloaded branch circuit, identifying whether the time sequence transmission of each channel of the multi-channel initiating explosive device is safe or not, and sending the time sequence current, the time sequence pulse width data and the identification result of whether the time sequence transmission of each channel is safe or not to the ground test and control equipment.
The beneficial effects of the above technical scheme are as follows: the time sequence recording equipment can be used for testing, recording and analyzing the multichannel initiating explosive device before launching, and is suitable for any one of the existing multichannel initiating explosive devices. The device has two modes of no-load and load of multiple channels, is suitable for the time sequence condition of multiple paths of initiating explosive devices, and can effectively protect the current-limiting resistor of the time sequence loop of the initiating explosive devices. The device can be matched with a time sequence distributor to check the connection state of a cable and a plug of the whole initiating explosive device loop, and multiple functions of one device are really realized. Moreover, the problem of equivalence and convenience of initiating explosive device ignition time sequence recording in the existing rocket (or missile) development and manufacturing process is solved, and the humanized and intelligent level is improved.
Based on the further improvement of the device, the initiating explosive device load simulator comprises at least one of a power resistor or a power inductor; wherein the content of the first and second substances,
the power resistor is used for simulating a resistive load, and the resistance value of the power resistor is set to be the equivalent resistance value of the initiating explosive device;
and the power inductor is used for simulating an inductive load, and the inductance value of the power inductor is set to be the equivalent inductance value of the initiating explosive device.
Furthermore, a power resistor and a power inductor are integrated in the initiating explosive device load simulator; and also,
the number of the power resistor and the number of the power inductor are not more than one.
Further, the time sequence recording equipment also comprises an AC/DC power supply and a starting switch for starting the AC/DC power supply; wherein, the first and the second end of the pipe are connected with each other,
the input end of the AC/DC power supply is connected with commercial power alternating current, the output end of the AC/DC power supply is respectively connected with the power supply ends of the signal conversion module, the signal acquisition module and the main control computer, and the control end of the AC/DC power supply is connected with the starting switch and is used for converting the commercial power alternating current into direct current required by the normal operation of the signal conversion module, the signal acquisition module and the main control computer.
Furthermore, the time sequence recording equipment also comprises a human-computer interaction module, a clearing switch and a self-testing switch, wherein the clearing switch and the self-testing switch are used for the human-computer interaction module; wherein the content of the first and second substances,
the signal input end of the man-machine interaction module is respectively connected with the output ends of the signal conversion module, the clearing switch and the self-testing switch, and the man-machine interaction module is provided with a display module which is used for displaying the time sequence states of the loaded branch circuit and the no-load branch circuit;
the clearing switch is used for clearing the display content of the display module after being started;
and the self-test switch is used for starting the display module and testing whether the display module has a fault according to the display content of the display module.
Further, the human-computer interaction module is provided with two groups of independent signal processing branches, and each group of signal processing branches comprises an input protection circuit, a high-speed photoelectric coupler, a J-K positive edge trigger, a three-state bus transceiver and an LED indicator light which are connected in sequence; wherein the content of the first and second substances,
the loaded branch time sequence signal and the no-load branch time sequence signal output by the signal conversion module are respectively transmitted to corresponding LED indicator lamps through a group of independent signal processing branches to be lighted and displayed;
the control end of the J-K positive edge trigger on each group of independent signal processing branch circuits is respectively connected with a clearing switch and a self-testing switch and is used for clearing signals and lightening signals.
Furthermore, the time sequence recording equipment also comprises a butt joint detection switch for the human-computer interaction module; and the number of the first and second electrodes,
the control signal output end of the rocket-borne or missile-borne control system is also connected with the signal input end of the human-computer interaction module and serves as a butt joint detection branch;
the butt joint detection switch adopts a double-pole switch, an indicator light of the switch is turned on after the switch is closed, the butt joint detection branch circuit is conducted, the indicator light of the switch is turned off after the switch is disconnected, and the butt joint detection branch circuit is disconnected.
Furthermore, the time sequence recording equipment also comprises a display, a keyboard and a mouse which are arranged outside; and the number of the first and second electrodes,
the video interface of the main control computer comprises an HDM interface and a DP interface and is used for connecting the display;
the data transmission interface of the main control computer comprises a USB interface and an Ethernet interface, wherein the USB interface is used for connecting the keyboard, the mouse, the ground testing, launching and controlling equipment and the signal acquisition module, and the Ethernet interface is used for connecting the ground testing, launching and controlling equipment and the signal acquisition module.
Further, the main control computer executes the following procedures to complete the initiating explosive device time sequence testing function:
executing a time sequence control signal test of the multi-channel initiating explosive device, and sending a time sequence signal to an arrow-borne or missile-borne control system;
acquiring time sequence current and time sequence pulse width data of a loaded branch and an unloaded branch after receiving a time sequence control test signal sent by an arrow load or missile load control system;
identifying whether the time sequence transmission of each channel of the multi-channel initiating explosive device is safe or not according to whether the time sequence current and the time sequence pulse width data are in a set range or not;
and sending the time sequence current, the time sequence pulse width data and the identification result of whether each channel is safe in time sequence transmission to ground testing, sending and controlling equipment.
Furthermore, the time sequence recording equipment has two time sequence signal receiving modes, is used for receiving a passive contact time sequence control test signal or a 28V voltage time sequence control test signal sent by an arrow-loaded or missile-loaded control system,
and a filter, a gain resistor, an ADC module and a digital isolation device which are sequentially connected are arranged in the signal acquisition module and are used as an analog quantity channel.
Compared with the prior art, the invention can realize at least one of the following beneficial effects:
1. when the ignition time sequence pulse (time sequence control test signal) is input, firstly, the safety of the equipment is protected through the input protection circuit, and then the indicator lamp of the corresponding channel is lightened and kept, so that the visual display effect is realized.
2. The display can be realized through two interfaces (HDMI and DP) in real time, and the multi-channel time sequence current and time sequence pulse width data can be stored and forwarded (through a USB interface or a network interface) internally.
3. The load mode is divided into two types of resistive load and inductive load, and the quantity of the two types of loads can be adjusted within a certain range.
4. The cable and plug-in status of the entire initiating explosive device circuit can be checked in cooperation with the timing distributor.
5. The firing time sequence pulse triggers the time sequence channel indicator lamp to light, the time sequence emitting state of the time sequence channel is visually displayed, the channel name can be freely defined aiming at specific model items, and the device has the functions of one-key clearing and one-key lighting.
6. The time sequence signal input end is provided with a protection circuit for protecting the safety of rear-end devices or equipment.
7. Two time system signal receiving modes are provided, including a passive contact and a 28V voltage signal.
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following more particular descriptions of exemplary embodiments of the disclosure as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the disclosure.
FIG. 1 is a schematic diagram showing a composition of a time-series recording device for a multi-channel initiating explosive device in embodiment 1;
FIG. 2 is a schematic diagram showing a short-circuit control circuit of a time sequence recording device for a multi-channel initiating explosive device in embodiment 2;
FIG. 3 is a schematic diagram showing an internal structure of a human-computer interaction module according to embodiment 2;
FIG. 4 is a schematic diagram showing the operation of the docking detection switch according to embodiment 2;
fig. 5 shows a schematic diagram of an analog quantity path of a signal acquisition module in embodiment 2.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The term "including" and variations thereof as used herein is intended to be open-ended, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.
Example 1
One embodiment of the invention discloses a time sequence recording device for a multi-channel initiating explosive device, which comprises an initiating explosive device load simulator, a signal conversion module, a signal acquisition module and a main control computer, and is shown in figure 1.
One path of a control signal output end of the rocket-loaded or missile-loaded control system sequentially passes through the initiating explosive device load simulator, the signal conversion module and the signal acquisition module and then is connected with the main control machine so as to simulate loaded branches in the multi-channel initiating explosive device, and the other path of the control signal output end sequentially passes through the signal conversion module and the signal acquisition module and then is connected with the main control machine so as to simulate unloaded branches in the multi-channel initiating explosive device.
The initiating explosive device load simulator is used for simulating the load characteristics of initiating explosive devices, can be configured according to the equivalent resistance, inductance and capacitance of the initiating explosive devices in a mode selection mode, and can be freely allocated within a certain quantity range so as to be suitable for different multi-channel initiating explosive devices.
And the signal conversion module is used for converting the initiating explosive device time sequence control signals output by the rocket-borne or missile-borne control system into low-voltage signals suitable for being acquired by the signal acquisition module in the same proportion, and realizing the switching of the signals to the direction of the signal acquisition module. The signal conversion module can be realized by adopting an existing signal conversion board, such as an Altai multifunctional signal conversion card, and can also adopt a self-developed circuit board.
The signal acquisition module has a multi-channel analog quantity signal acquisition function and a multi-channel digital quantity signal acquisition and output function, starts to acquire current and pulse width information contained in the time sequence control signal after receiving the timing system signal, receives the stop signal to stop acquisition, and sends the acquired signal to the main control computer. The signal acquisition module can be realized by adopting the existing signal acquisition card, such as an Altai multifunctional USB5630 signal acquisition card.
The main control machine is used for executing a time sequence control signal test of the multi-channel initiating explosive device, receiving time sequence current and time sequence pulse width data of the loaded branch circuit and the unloaded branch circuit, identifying whether time sequence transmission of each channel of the multi-channel initiating explosive device is safe (judging whether the time sequence current and the time sequence pulse width data meet preset check rules, if so, judging the safety, otherwise, judging the safety), and sending the time sequence current, the time sequence pulse width data and an identification result of whether the time sequence transmission of each channel is safe to ground testing, transmitting and controlling equipment. The master control computer can be implemented by using an existing multifunctional computer, such as an embedded automatic computer with high firmness of the Tuhua UNO-2372G.
It should be noted that, the check rule may be that the time sequence current and the time sequence pulse width data do not exceed a set time sequence range, or that the time sequence current and the time sequence pulse width data reach set values, or that the time sequence current and the time sequence pulse width data conform to a set sequence, and may be selected according to actual requirements.
During implementation, the initiating explosive device emitter can be adopted to carry out time sequence control signal testing through the time sequence recording equipment of the embodiment, only the time sequence transmission of each channel in the test results of the loaded branch circuit and the unloaded branch circuit is safe, and the time sequence recording equipment can be used for emitting real initiating explosive devices, otherwise, the initiating explosive device ignition time sequence control signals need to be readjusted.
Compared with the prior art, the time sequence recording equipment provided by the embodiment can be used for testing, recording and analyzing the multichannel initiating explosive device before emission, and is suitable for any one of the existing multichannel initiating explosive devices. The device has two modes of no-load and load of multiple channels, is suitable for the time sequence condition of multiple paths of initiating explosive devices, and can effectively protect the current-limiting resistor of the time sequence loop of the initiating explosive devices. The device can be matched with a time sequence distributor to check the connection state of a cable and a plug of the whole initiating explosive device loop, and multiple functions of one device are really realized. Moreover, the problem of equivalence and convenience of initiating explosive device ignition time sequence recording in the existing rocket (or missile) development and manufacturing process is solved, and the humanized and intelligent level is improved.
Example 2
The improvement is made on the basis of embodiment 1, and the initiating explosive device load simulator comprises at least one of a power resistor or a power inductor, namely the power resistor, the power inductor and a combination of the power resistor and the power inductor.
And the power resistor is used for simulating a resistive load, and the resistance value of the power resistor is set to be the equivalent resistance value of the initiating explosive device (see a design manual of the initiating explosive device when the initiating explosive device leaves a factory). The power resistor adopts a resistance value adjustable device, and can be adjusted within a certain quantity range.
And the power inductor is used for simulating an inductive load, and the inductance value of the power inductor is set to be the equivalent inductance value of the initiating explosive device (see a design manual of the initiating explosive device when the initiating explosive device leaves a factory). The power inductor adopts equipment with adjustable inductance value, and can be adjusted within a certain quantity range.
Preferably, the initiating explosive device load simulator is provided with a power resistor and a power inductor at the same time. And the number of the power resistor and the power inductor is not more than one, the control signals of partial channels are transmitted to the signal conversion module through the power resistor, the control signals of partial channels are transmitted to the signal conversion module through the power inductor, and the control signals of partial channels are directly transmitted to the signal conversion module. Through this setting for priming sytem load simulator can simulate different multichannel priming sytem, with the commonality that improves the chronogenesis recording equipment.
Preferably, the timing recording apparatus further comprises an AC/DC power supply, a start switch for AC/DC power supply start-up, as shown in fig. 2.
The input end of the AC/DC power supply is connected with commercial power alternating current (AC 220V signal), the output end of the AC/DC power supply is respectively connected with the power supply ends (DC 24V signal) of the signal conversion module, the signal acquisition module and the main control computer, and the control end of the AC/DC power supply is connected with the starting switch and used for converting the commercial power alternating current into direct current required by the normal operation of the signal conversion module, the signal acquisition module and the main control computer.
Optionally, the AC/DC power supply adopts a commercially available 100W power supply module, and mainly supplies power to the signal conversion module, the signal acquisition module and the main control computer.
And the starting switch is used for controlling the on-off of the positive electrode of the DC24V power supply so as to control the up-down electricity of the control electricity in the initiating explosive device time sequence recorder.
Preferably, the time sequence recording equipment further comprises a human-computer interaction module, and a clearing switch and a self-testing switch which are used for the human-computer interaction module.
The signal input end of the man-machine interaction module is respectively connected with the output ends of the signal conversion module, the clearing switch and the self-testing switch, and the man-machine interaction module is provided with a display module which is used for displaying the time sequence states of the loaded branch circuit and the no-load branch circuit.
Two groups of independent signal processing branches are arranged inside the man-machine interaction module, and each group of signal processing branches comprises an input protection circuit, a high-speed photoelectric coupler, a J-K positive edge trigger, a tri-state bus transceiver and an LED indicator light which are connected in sequence, as shown in figure 3. The human-computer interaction module can adopt an existing human-computer interaction Board, such as SWM32S _ HMI Board, and a human-computer interaction Board V1.0 (self-research), and is provided with 64 indicator lamps. For example, the structure of the input protection circuit is referred to in the prior patent CN202011366956.5, and the structure of the high-speed photocoupler is referred to in the prior patent CN201420616323.9.
The loaded branch timing signal and the unloaded branch timing signal output by the signal conversion module are respectively transmitted to the corresponding LED indicating lamps through a group of independent signal processing branches to be lighted and displayed. The time sequence control test signal is converted by the signal conversion module, enters the low-voltage high-speed photoelectric coupler, is output to the J-K positive edge trigger, and is output to the tri-state bus transceiver and lights the indicator lamp. By adopting the method, the time sequence sending state of the time sequence channel is visually displayed.
The control end of the J-K positive edge trigger on each group of independent signal processing branch circuits is respectively connected with a clearing switch and a self-testing switch and used for respectively clearing signals and lightening signals, so that the trigger has the functions of clearing by one key and lightening by one key.
And the clearing switch is used for clearing the lighted indicating lamps of the human-computer interaction module after being started so as to completely extinguish the lighted indicating lamps.
And the self-testing switch is used for lighting all the indicator lamps of the man-machine interaction board and testing the lighting functional integrity of the indicator lamps, namely testing whether the indicator lamps are in failure or not.
It should be noted that the initiating explosive device triggers the timing channel indicator light to light, and may be changed into a programmable device, such as a single chip, to receive the instruction of the master control machine to light the indicator light.
The setting enables the signal conversion module to convert the initiating explosive device time sequence control test signal into a low-voltage signal suitable for collection in the same proportion, so that the signal is switched to the signal collection module and the man-machine interaction module in 2 directions, and meanwhile, a protection circuit is added to protect the signal collection module.
Preferably, the time sequence recording device further comprises a butt joint detection switch for the human-computer interaction module. And the control signal output end of the rocket-borne or missile-borne control system is also connected with the signal input end of the human-computer interaction module to serve as a butt joint detection branch.
The butt joint detection switch adopts a double-pole switch, an indicator light of the switch is turned on after the switch is closed, the butt joint detection branch circuit is conducted, the indicator light of the switch is turned off after the switch is disconnected, and the butt joint detection branch circuit is disconnected, as shown in fig. 4.
The signal acquisition module has a multi-channel analog quantity signal acquisition function and a digital quantity signal acquisition and output function, a system signal starts to acquire a current and a pulse width signal of a time sequence and a stop signal when receiving the signals, the resolution of each analog quantity acquisition channel is 16 bits, the maximum sampling frequency is 500 KSps, and the signal acquisition module can be opened, cleaned and tested according to a command. The signal acquisition module is internally provided with a filter, a gain resistor, a 16-bit ADC module, a digital isolation device and an FPGA module which are sequentially connected, and an analog quantity channel is shown in figure 5. The digital isolation device is connected with the main control computer through an SPI bus, and the input end of the filter is connected with the multi-path output of the signal conversion module. The high-speed and high-precision acquisition card can be adopted to improve the quantity, precision and speed of analog acquisition channels.
Preferably, the timing recording device further comprises a display, a keyboard, a mouse and the like of the peripheral. And the video interface of the main control computer comprises an HDM interface and a DP interface which are used for connecting the display. The data transmission interface of the main control computer comprises a USB interface and an Ethernet interface, wherein the USB interface is used for connecting the keyboard, the mouse, the ground testing, launching and controlling equipment and the signal acquisition module, and the Ethernet interface is used for connecting the ground testing, launching and controlling equipment and the signal acquisition module.
Alternatively, the display and data transmission interface of the master controller can be changed into other types of interfaces, such as LVDS, serial port, etc.
Preferably, the main control computer adopts a highly-firm embedded automatic computer without a fan and with a modular design, and is used for receiving the time sequence data of the signal acquisition card, storing the data locally, displaying the data through the display and sending the data to the ground testing, sending and controlling equipment.
Preferably, the main control computer executes the following program to complete the initiating explosive device time sequence test function:
s1, executing a time sequence control signal test of a multi-channel initiating explosive device, and sending a time sequence signal to an arrow-borne or missile-borne control system;
s2, after receiving a time sequence control test signal sent by an arrow-loaded or missile-loaded control system, acquiring time sequence current and time sequence pulse width data of a loaded branch and an unloaded branch;
s3, identifying whether the time sequence transmission of each channel of the multi-channel initiating explosive device is safe or not according to whether the time sequence current and the time sequence pulse width data are in a set range or not;
and S4, sending the time sequence current, the time sequence pulse width data and the identification result of whether each channel is safe in time sequence transmission to ground monitoring, transmitting and controlling equipment.
Preferably, the timing recording equipment is provided with two timing system signal receiving modes, and is used for receiving a passive contact timing control test signal or a 28V voltage timing control test signal sent by an arrow-loaded or missile-loaded control system.
Compared with the prior art, the time sequence recording equipment for the multi-channel initiating explosive device has the following beneficial effects:
1. when the ignition time sequence pulse (time sequence control test signal) is input, firstly, the safety of the equipment is protected through the input protection circuit, and then the indicator lamp of the corresponding channel is lightened and kept, so that the visual display effect is realized.
2. The display can be realized through two interfaces (HDMI and DP) in real time, and the multi-channel time sequence current and time sequence pulse width data can be stored and forwarded (through a USB interface or a network interface) internally.
3. The load mode is divided into two types of resistive load and inductive load, and the quantity of the two types of loads can be adjusted within a certain range.
4. The cable and plug-in status of the entire initiating explosive device circuit can be checked in cooperation with the timing distributor.
5. The firing time sequence pulse triggers the time sequence channel indicator lamp to light, the time sequence emitting state of the time sequence channel is visually displayed, the channel name can be freely defined aiming at specific model items, and the device has the functions of one-key clearing and one-key lighting.
6. The time sequence signal input end is provided with a protection circuit for protecting the safety of rear-end devices or equipment.
7. Two time system signal receiving modes are provided, including a passive contact and a 28V voltage signal.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles of the embodiments, the practical application, or improvements made to the prior art, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A time sequence recording device for a multi-channel initiating explosive device is characterized by comprising an initiating explosive device load simulator, a signal conversion module, a signal acquisition module and a main control computer; wherein the content of the first and second substances,
one path of a control signal output end of the rocket-borne or missile-borne control system sequentially passes through the initiating explosive device load simulator, the signal conversion module and the signal acquisition module and then is connected with the main control machine so as to simulate a loaded branch in a multi-channel initiating explosive device, and the other path of the control signal output end sequentially passes through the signal conversion module and the signal acquisition module and then is connected with the main control machine so as to simulate an unloaded branch in the multi-channel initiating explosive device;
the main control machine is used for executing the time sequence control signal test of the multi-channel initiating explosive device, receiving the time sequence current and the time sequence pulse width data of the loaded branch circuit and the unloaded branch circuit, identifying whether the time sequence transmission of each channel of the multi-channel initiating explosive device is safe or not, and sending the time sequence current, the time sequence pulse width data and the identification result of whether the time sequence transmission of each channel is safe or not to the ground test and control equipment.
2. The timing recording device for a multi-channel pyrotechnic product of claim 1 wherein the pyrotechnic product load simulator includes at least one of a power resistor or a power inductor,
the power resistor is used for simulating a resistive load, and the resistance value of the power resistor is set to be the equivalent resistance value of the initiating explosive device;
and the power inductor is used for simulating an inductive load, and the inductance value of the power inductor is set to be the equivalent inductance value of the initiating explosive device.
3. The timing recording device for the multi-channel initiating explosive device according to claim 1 or 2, wherein a power resistor and a power inductor are integrated in the initiating explosive device load simulator; and the number of the first and second electrodes,
the number of the power resistor and the number of the power inductor are not more than one.
4. The timing recording device for a multi-channel initiating explosive device according to claim 3, characterized by further comprising an AC/DC power supply, a starting switch for starting the AC/DC power supply; wherein the content of the first and second substances,
the input end of the AC/DC power supply is connected with commercial power alternating current, the output end of the AC/DC power supply is respectively connected with the power supply ends of the signal conversion module, the signal acquisition module and the main control machine, and the control end of the AC/DC power supply is connected with the starting switch and is used for converting the commercial power alternating current into direct current required by the normal operation of the signal conversion module, the signal acquisition module and the main control machine.
5. The timing recording device for the multi-channel initiating explosive device according to claim 4, characterized by further comprising a human-computer interaction module, and a clearing switch and a self-test switch for the human-computer interaction module; wherein the content of the first and second substances,
the signal input end of the man-machine interaction module is respectively connected with the output ends of the signal conversion module, the clearing switch and the self-testing switch, and the man-machine interaction module is provided with a display module which is used for displaying the time sequence states of the loaded branch circuit and the no-load branch circuit;
the clearing switch is used for clearing the display content of the display module after being started;
and the self-test switch is used for starting the display module and testing whether the display module has a fault according to the display content of the display module.
6. The timing recording device for the multi-channel initiating explosive device according to claim 5, wherein the human-computer interaction module is provided with two groups of independent signal processing branches, and each group of signal processing branches comprises an input protection circuit, a high-speed photoelectric coupler, a J-K positive edge trigger, a three-state bus transceiver and an LED indicator light which are connected in sequence; wherein the content of the first and second substances,
the loaded branch time sequence signal and the no-load branch time sequence signal output by the signal conversion module are respectively transmitted to corresponding LED indicator lamps through a group of independent signal processing branches to be lighted and displayed;
and the control end of the J-K positive edge trigger on each group of independent signal processing branch circuits is respectively connected with a clearing switch and a self-testing switch and is used for respectively clearing signals and lightening signals.
7. The timing recording device for a multi-channel initiating explosive device according to claim 6, characterized by further comprising a docking detection switch for the human-computer interaction module; and also,
the control signal output end of the rocket-borne or missile-borne control system is also connected with the signal input end of the human-computer interaction module and serves as a butt joint detection branch;
the butt joint detection switch adopts a double-pole switch, an indicator light of the switch is turned on after the switch is closed, the butt joint detection branch circuit is conducted, the indicator light of the switch is turned off after the switch is disconnected, and the butt joint detection branch circuit is disconnected.
8. The timing recording device for multi-channel initiating explosive device according to any one of claims 4 to 7, characterized by further comprising a display, a keyboard and a mouse which are arranged externally; and the number of the first and second electrodes,
the video interface of the main control computer comprises an HDM interface and a DP interface and is used for connecting the display;
the data transmission interface of the main control computer comprises a USB interface and an Ethernet interface, wherein the USB interface is used for connecting the keyboard, the mouse, the ground testing, launching and controlling equipment and the signal acquisition module, and the Ethernet interface is used for connecting the ground testing, launching and controlling equipment and the signal acquisition module.
9. The timing recording device for the multi-channel initiating explosive device according to any one of the claims 1, 2, 4, 5, 6 and 7, characterized in that the main control computer executes the following procedures to complete the initiating explosive device timing test function:
executing a time sequence control signal test of the multi-channel initiating explosive device, and sending a time sequence signal to an arrow-borne or missile-borne control system;
acquiring time sequence current and time sequence pulse width data of a loaded branch and an unloaded branch after receiving a time sequence control test signal sent by an arrow load or missile load control system;
identifying whether the time sequence transmission of each channel of the multi-channel initiating explosive device is safe or not according to whether the time sequence current and the time sequence pulse width data are in a set range or not;
and sending the time sequence current, the time sequence pulse width data and the identification result of whether each channel is safe in time sequence transmission to ground monitoring, transmitting and controlling equipment.
10. The timing recording device for the multi-channel initiating explosive device according to any one of claims 1, 2, 4, 5, 6 and 7, characterized in that the timing recording device is provided with two timing signal receiving modes for receiving a passive contact timing control test signal or a 28V voltage timing control test signal sent by an rocket-loaded or missile-loaded control system; and the number of the first and second electrodes,
and a filter, a gain resistor, an ADC module and a digital isolation device which are sequentially connected are arranged in the signal acquisition module and are used as an analog quantity access.
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| CN115638700B (en) | 2023-02-28 |
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