Integrated launching device function detection equipment
The integrated launch device functional testing equipment solves the problems of numerous types, heavy weight, and high cost of existing testing equipment, and realizes efficient and convenient testing of launch devices.
Patent Information
- Application Number
- CN202511311917.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2026-01-23
AI Technical Summary
The existing launch vehicle's functional components testing equipment is diverse, heavy, costly, and has a complex testing process.
Design an integrated testing device for a launching device, comprising a control panel module, a switch status acquisition circuit, an output current acquisition circuit, a pyrotechnics testing circuit, a processor circuit, a panel status display circuit, and a power conversion circuit, to achieve integrated testing of the launching device.
It improves the ease of testing the launch device, simplifies the testing process, reduces costs, and has the functions of unit testing and integrated testing.
Smart Images
Figure CN121385459A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of function detection of launching devices, and particularly relates to an integrated function detection device for launching devices. BACKGROUND
[0002] The launching actuating mechanism (i.e. motor), heating tile and safety ignition device are important electrical functions and components of launching devices such as launching vehicles. The functions and performances thereof directly determine the launching quality, and therefore, the function and performance testing thereof is particularly important.
[0003] In the prior art, the testing of various functional components of the launching vehicle is carried out by using multiple functionally independent devices, which results in a large number of testing devices, heavy weight, high cost and complex testing process. SUMMARY
[0004] Based on this, the purpose of the present application is to provide an integrated function detection device for launching devices, which can overcome the shortcomings of the prior art.
[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:
[0006] The embodiment of the present application provides an integrated function detection device for launching devices, which comprises a control panel module, a switch state acquisition circuit, an output current acquisition circuit, an explosive test circuit, a processor circuit, a power output execution circuit and a panel state display circuit; the output end of the switch state acquisition circuit is connected with the digital signal input end of the processor circuit, the input end of the power output execution circuit and the panel state display circuit is connected with the digital signal output end of the processor circuit, and the output end of the explosive test circuit is connected with the analog signal input end of the processor circuit.
[0007] The switch state acquisition circuit is used for detecting and acquiring the switch state of the control panel module and the actual working state of the tested device.
[0008] The output current acquisition circuit is used for detecting and acquiring the power supply current of the tested device.
[0009] The explosive test circuit is used for detecting and acquiring the resistance value of the tested explosive.
[0010] The processor circuit is used for converting the input analog signal into a digital signal, receiving the switch state of the switch state acquisition circuit, and then controlling the output of the power output execution circuit and the state display of the panel state display circuit.
[0011] The panel state display circuit is used for displaying the working state of the tested device, the tested explosive and the control panel module according to the digital signal.
[0012] As an implementation, the switch state acquisition circuit includes a device panel switch acquisition circuit, a motor extension / retraction state acquisition circuit, an insurance latch / unlatch state acquisition circuit, and a power output execution circuit acquisition circuit; the device under test further includes an insurance latch under test;
[0013] The device panel switch acquisition circuit is configured to acquire the operation of the user on the panel knobs and switches of the control panel module, including test object selection, and / or test mode selection, and / or motor extension / retraction control, and / or insurance latch / unlatch control, and / or heating tile heating / on / off control;
[0014] The motor extension / retraction state acquisition circuit is configured to detect the actual working state of the motor under test;
[0015] The insurance latch / unlatch state acquisition circuit is configured to detect the actual working state of the insurance latch under test;
[0016] The power output execution circuit acquisition circuit is configured to detect the output of the internal execution circuit.
[0017] As an implementation, the output current acquisition circuit includes a current sensor and an output low-pass filter circuit;
[0018] The current sensor adopts the principle of Hall effect, and the positive bus for supplying power to the motor and the heating tile passes through the center of the current sensor, so that the current under test is converted into an acquisition voltage by the current sensor;
[0019] The output low-pass filter circuit performs low-pass filtering on the acquisition voltage to filter out high-frequency interference noise, and outputs to the processor circuit.
[0020] As an implementation, the initiating explosive device test circuit includes a battery power supply and conversion circuit, a constant current source circuit, an instrument amplification circuit, an isolation operational amplifier circuit, an analog switch circuit, and an isolation bus circuit;
[0021] The battery power supply and conversion circuit provides the constant current source circuit, the instrument amplification circuit, the isolation operational amplifier circuit, the analog switch circuit, and the isolation bus circuit with the secondary power required for operation;
[0022] The constant current source circuit provides the initiating explosive device under test with a milliamper-level test current;
[0023] The instrument amplification circuit amplifies the acquired voltage;
[0024] The isolation operational amplifier circuit performs one-to-one conversion on the voltage output by the instrument amplification circuit;
[0025] The analog switch circuit is used for switching and collecting the multi-channel initiating explosive device and reference resistance.
[0026] The isolation bus circuit is used for the single-chip microcomputer to select and control the isolation of the analog switch circuit channel.
[0027] As an embodiment, the processor circuit comprises a single-chip microcomputer, and a crystal oscillator, a reset circuit, a memory circuit and a download interface which are respectively connected with the single-chip microcomputer.
[0028] The single-chip microcomputer is used for converting the input analog signal into a digital signal, receiving the switch state of the switch state collection circuit, and then controlling the output of the power output execution circuit and the state display of the panel state display circuit.
[0029] The crystal oscillator provides an external clock required by the single-chip microcomputer for working.
[0030] The reset circuit provides a power-on reset signal for the single-chip microcomputer.
[0031] The memory circuit is used for storing the test process and the data generated by the single-chip microcomputer.
[0032] The download interface is used for burning and writing programs to the single-chip microcomputer.
[0033] As an embodiment, the panel state display circuit comprises a panel LED state indication circuit.
[0034] The LED state indication circuit is used for displaying whether the motor is extended / retracted to the position, whether the safety is opened / closed to the position, whether the heating tile is opened / closed, and the self-checking working state of the detection device.
[0035] As an embodiment, the panel state display circuit comprises a liquid crystal screen state display circuit.
[0036] The liquid crystal screen state display circuit displays the test result data including voltage data and current data through a liquid crystal screen module.
[0037] As an embodiment, it further comprises a power conversion circuit, a power output end of the power conversion circuit is connected with a power input end of the processor circuit, and a plurality of power output ends of the processor circuit are respectively connected with the switch state collection circuit, the output current collection circuit, the initiating explosive device test circuit and the panel state display circuit.
[0038] As an embodiment, the device under test at least comprises a motor and a heating tile installed on a launching vehicle.
[0039] As an implementation, the communication circuit is further configured to communicate with the device under test and / or other ground equipment via a bus
[0040] Compared with the prior art, the application has the following advantages:
[0041] The integrated launch device function detection equipment integrates a control panel module, a switch state acquisition circuit, an output current acquisition circuit, a pyrotechnics test circuit, a processor circuit, a panel state display circuit, a power conversion circuit, a power output execution circuit and a communication circuit, and can realize unit testing of a single device under test in an uninstalled state and comprehensive testing of multiple devices under test in an installed state, thereby improving the testing convenience of the device under test of the launch device.
[0042] In order to better understand and implement, the application will be described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0043] Figure 1 The connection diagram of the integrated launch device function detection equipment according to an embodiment of the application is shown in FIG. 1.
[0044] 100, detection equipment; 101, switch state acquisition circuit; 102, output current acquisition circuit; 103, pyrotechnics test circuit; 104, processor circuit; 105, panel state display circuit; 106, power conversion circuit; 107, power output execution circuit; 108, communication circuit. DETAILED DESCRIPTION
[0045] In order to make the purpose, technical scheme and advantages of the application clearer, the embodiments of the application will be further described in detail below with reference to the accompanying drawings.
[0046] It should be clear that the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the embodiments of the application.
[0047] The following description refers to the accompanying drawings. Unless otherwise noted, like elements in different drawings have the same or similar reference numerals. In the description of the application, it will be understood that the terms "first", "second", "third", etc. are used merely as identifiers for differentiating among similar objects, and are not necessarily intended to denote a particular order or sequence, nor to indicate or imply a relative importance of the objects. The specific meaning of the above terms in the present application can be understood according to the specific circumstances by those of ordinary skill in the art. The singular forms "a", "an", and "the" used in the present application and the appended claims are intended to include plural forms as well, unless the context clearly indicates otherwise. The word "if" / "if" used herein can be interpreted as "when" or "when" or "in response to determining".
[0048] In addition, in the description of the present application, "multiple" means two or more, unless otherwise specified. The association relationship of the associated objects described by "and / or" indicates that there can be three relationships, for example, A and / or B can represent the three cases of A existing alone, A and B existing together, and B existing alone. The character " / " generally represents that the associated objects before and after it are in an "or" relationship.
[0049] Please refer to Figure 1 which is a connection diagram of the integrated launch device function detection equipment 100 of the embodiments of the present application, and the detection equipment 100 comprises:
[0050] a control panel module, a switch state acquisition circuit 101, an output current acquisition circuit 102, a pyrotechnics test circuit 103, a processor circuit 104, a power output execution circuit 107, and a panel state display circuit 105; the output end of the switch state acquisition circuit 101 is connected with the digital signal input end of the processor circuit 104, the input end of the power output execution circuit 107 and the panel state display circuit 105 is connected with the digital signal output end of the processor circuit 104, and the output end of the pyrotechnics test circuit 103 is connected with the analog signal input end of the processor circuit 104.
[0051] The switch state acquisition circuit 101 is used for detecting and collecting the switch state of the control panel module and the actual working state of the measured equipment.
[0052] The output current acquisition circuit 102 is used for detecting and collecting the power supply current of the measured equipment; the measured equipment at least includes a motor and a heating tile installed on a launch vehicle.
[0053] The pyrotechnics test circuit 103 is used for detecting and collecting the resistance value of the measured pyrotechnics; wherein the pyrotechnics test circuit 103 uses four-wire method to test the resistance value of the pyrotechnics, that is, two wires provide test current, and the other two wires test voltage.
[0054] The processor circuit 104 is configured to convert the input analog signal into a digital signal, receive the switch state of the switch state acquisition circuit 101, and control the output of the power output execution circuit 107 and the state display of the panel state display circuit 105; that is, the processor circuit 104 drives the power output execution circuit 107 to output power supply and instruction signals to the device under test.
[0055] The panel state display circuit 105 is configured to display the working states of the device under test, the tested initiating explosive device, and the control panel module according to the digital signal, and the panel state display circuit 105 can also be configured to detect the output of the execution circuit inside the device 100, which is not only used for self-checking, but also used for judging whether the related instructions are normally output.
[0056] The interconnections among the components inside the test device and the interconnections between the test device and the device under test can be connected by test cables, wherein the former includes an internal cable network to realize the physical interconnection among the front panel of the device, the test board card, and the rear panel connector; and the latter includes power supply cables, unit test cables, comprehensive test cables, and communication cables: the power supply cables are used for the input of the primary power supply of the device; the unit test cables are used for the interconnection and test between the test device and a single device under test in an uninstalled state; the comprehensive test cables are used for the interconnection and test between the test device and multiple devices under test in an installed state; and the communication cables are used for the bus communication between the test device and the device under test and other ground devices.
[0057] The device under test and the tested initiating explosive device are both components of a launch vehicle, which is a core carrier of a ground-to-air missile weapon system, and the launch vehicle is designed to realize rapid deployment by using a high-mobility wheeled chassis and a storage and transportation integration design. The launch actuating mechanism (i.e., the tested motor), the heating tile, and the safety igniter (i.e., the tested initiating explosive device) are important electrical functions and components of the launch vehicle.
[0058] In a feasible embodiment, the switch state acquisition circuit 101 includes a device panel switch acquisition circuit, a motor extension / retraction state acquisition circuit, a safety latch opening / closing state acquisition circuit, and a power output execution circuit acquisition circuit; and the device under test further includes a safety latch under test.
[0059] The device panel switch acquisition circuit is configured to acquire the operation of the user on the panel knobs and switches of the control panel module, and the operation includes test object selection, and / or test mode selection, and / or motor extension / retraction control, and / or safety latch opening / closing control, and / or heating tile heating / closing control.
[0060] The motor extension / retraction state acquisition circuit is used for detecting the actual working state of the measured motor to determine whether the measured motor is extended to the position or retracted to the position.
[0061] The safety bolt opening / closing state acquisition circuit is used for detecting the actual working state of the measured safety bolt to determine whether the measured safety bolt is opened to the position or closed to the position.
[0062] The power output execution circuit acquisition circuit is used for detecting the internal execution circuit output.
[0063] In a feasible embodiment, the output current acquisition circuit 102 comprises a current sensor and an output low-pass filter circuit.
[0064] The current sensor adopts the principle of Hall effect, and the positive bus for supplying power to the measured motor and the heating tile passes through the center of the current sensor, so that the measured current is converted into an acquisition voltage by the current sensor.
[0065] The output low-pass filter circuit performs low-pass filtering on the acquisition voltage to filter out high-frequency interference noise and outputs to the processor circuit 104. The output low-pass filter circuit is connected to the analog-to-digital conversion input pin of the single-chip microcomputer of the processor.
[0066] In a feasible embodiment, the explosive test circuit 103 comprises a battery power supply and conversion circuit, a constant current source circuit, an instrument amplification circuit, an isolation operational amplifier circuit, an analog switch circuit and an isolation bus circuit.
[0067] The battery power supply and conversion circuit provides the constant current source circuit, the instrument amplification circuit, the isolation operational amplifier circuit, the analog switch circuit and the isolation bus circuit with the secondary power required for working.
[0068] The constant current source circuit provides the measured explosive with a milliamper-level test current.
[0069] The instrument amplification circuit amplifies the collected voltage.
[0070] The isolation operational amplifier circuit performs one-to-one conversion on the voltage output by the instrument amplification circuit.
[0071] The analog switch circuit is used for switching and collecting the multi-channel explosive and the reference resistance.
[0072] The isolation bus circuit is used for the single-chip microcomputer to perform isolation selection control on the analog switch circuit channel.
[0073] Among them, the instrument amplification circuit is responsible for amplification, and the isolation operational amplifier circuit is a one-to-one conversion, and the key function of the isolation operational amplifier circuit lies in isolation, because when testing the initiating explosive device, safety is extremely high, and isolation measurement is required, that is, the test voltage provided to the initiating explosive device is not in common with the power consumption of the single-chip microcomputer. However, the single-chip microcomputer needs to test the voltage, at which time the isolation operational amplifier is used to isolate and convert the voltage on both sides of the initiating explosive device to the single-chip microcomputer end.
[0074] In a feasible embodiment, the processor circuit 104 comprises a single-chip microcomputer, and a crystal oscillator, a reset circuit, a memory circuit and a download interface which are respectively connected with the single-chip microcomputer.
[0075] The single-chip microcomputer is used to convert the input analog signal into a digital signal, and receive the switch state of the switch state acquisition circuit, and then control the output of the power output execution circuit and the state display of the panel state display circuit.
[0076] The crystal oscillator provides an external clock required for the operation of the single-chip microcomputer.
[0077] The reset circuit provides a power-on reset signal for the single-chip microcomputer.
[0078] The memory circuit is used to store the test process and the data generated by the single-chip microcomputer.
[0079] The download interface is used to burn programs to the single-chip microcomputer.
[0080] Among them, the single-chip microcomputer includes an input acquisition module, an output control module, an AD acquisition module, a data processing module, a display module, a communication module and the like. The input acquisition module acquires and filters the input state acquired by the switch state acquisition circuit 101; the output control module controls the action of the power output execution circuit 107 according to the change of the input state; the AD acquisition module is used to convert each voltage quantity input to the internal analog-to-digital conversion module of the single-chip microcomputer; the data processing module processes and judges the working state of the measured device, such as voltage and current, and automatically judges whether the working state is normal; the display module displays the key state of the input acquisition, output control and data processing module, including LED driving and liquid crystal screen display; the communication module is used for serial communication between the test equipment and the temperature and humidity sensor of the measured heating tile, and Ethernet communication with other ground equipment.
[0081] In a feasible embodiment, the panel state display circuit 105 comprises a panel LED state indication circuit.
[0082] The LED state indication circuit is used to display whether the motor is extended / retracted to the position, whether the safety is opened / closed to the position, whether the heating tile is opened / closed, and the self-checking working state of the detection device 100.
[0083] In a feasible embodiment, the panel state display circuit 105 comprises a liquid crystal screen state display circuit.
[0084] The liquid crystal screen state display circuit displays the test result data including voltage data and current data through a liquid crystal screen module.
[0085] In a feasible embodiment, the power conversion circuit 106 is further included, and a power output end of the power conversion circuit 106 is connected with a power input end of the processor circuit 104, and a plurality of power output ends of the processor circuit 104 are respectively connected with the switch state acquisition circuit, the output current acquisition circuit 102, the pyrotechnics test circuit 103 and the panel state display circuit 105.
[0086] The power conversion circuit is used for the power supply of the detection device, and the power output execution circuit 107 is used for the power supply provided to the measured device. The two are mutually isolated and independent. The power output execution circuit 107 is in the form of a solid-state relay closed to provide power supply to the measured device. The power conversion circuit is in the form of some secondary power conversion circuits, such as 28V, 5V, 3.3V and other voltages required for the working of the detection device.
[0087] In a feasible embodiment, the communication circuit 108 is further included, and is used for bus communication with the measured device and / or other ground equipment.
[0088] The integrated launch device function detection device 100 of the present application integrates the control panel module, the switch state acquisition circuit 101, the output current acquisition circuit 102, the pyrotechnics test circuit 103, the processor circuit 104, the panel state display circuit 105, the power conversion circuit 106, the power output execution circuit 107 and the communication circuit 108, and can realize unit testing of a single measured device in an unloading state, and can also realize comprehensive testing of multiple measured devices in a loaded state, thereby improving the testing convenience of the measured device of the launch device.
[0089] Compared with the prior art, the application has higher integration, integrates the device circuit of the traditional launching action mechanism test equipment, the heating tile test equipment and the test equipment of the initiating explosive, simplifies the ground equipment matching, reduces the product cost and improves the test efficiency; moreover, the application has the functions of individual test and comprehensive test, can not only realize the unit test of a single tested equipment in the uninstalled state, but also can realize the comprehensive test of multiple tested equipments in the installed state, and the detection equipment 100 of the application integrates the 4-way action mechanism, 3-way heating tile and 14-way initiating explosive resistance value test capabilities, and can be further expanded according to the demand.
[0090] The device embodiments described above are merely illustrative, wherein the components illustrated as separate components can or can not be physically separated, and the components displayed as units can or can not be physical units, i.e., can be located in one place or can be distributed to multiple network units. Part or all of the modules can be selected to achieve the purpose of the application scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.
[0091] Those skilled in the art should understand that the embodiments of the application can be provided as a method, a system or a computer program product. Therefore, the application can take the form of a complete hardware embodiment, a complete software embodiment or an embodiment combining software and hardware aspects. Moreover, the application can take the form of a computer program product implemented on one or more computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
[0092] The application is described with reference to flowcharts and / or block diagrams according to the method, device (system) and computer program product of the embodiments of the application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of the flows and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device implemented in the flowcharts and / or block diagrams. Figure 1 The selected functions of one flow or multiple flows and / or blocks Figure 1 The selected functions of one flow or multiple flows and / or blocks Figure 1 The selected functions of one flow or multiple flows and / or blocks Figure 1selected functions of a block or blocks.
[0093] These computer program instructions can also be loaded into computer or other programmable data processing devices to cause a series of operational steps to be performed on the computer or other programmable devices to produce a computer implemented process such that the instructions which execute on the computer or other programmable devices provide steps for implementing the flow Figure 1 flow or flows and / or blocks Figure 1 steps of selected functions of a block or blocks.
[0094] Memory can include non-persistent memory and / or volatile memory, random access memory (RAM), and / or non-volatile memory, etc. in the form of read only memory (ROM) or flash memory (flash RAM), among others. Memory is an example of computer readable media.
[0095] Computer readable media includes permanent and non-permanent, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital versatile discs (DVDs) or other optical storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information accessible to computing devices. According to the definition herein, computer readable media does not include transitory media, such as modulated data signals and carrier waves.
[0096] It should also be noted that the terms "comprising", "comprises", "including", "includes" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article or apparatus. Without limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article or apparatus that comprises the element.
[0097] The above merely provides an example of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the scope of claims of the present application.
Claims
1. An integrated transmitter function testing device, characterized in that, include: The system includes a control panel module, a switch status acquisition circuit, an output current acquisition circuit, a pyrotechnics testing circuit, a processor circuit, a power output execution circuit, and a panel status display circuit. The output terminal of the switch status acquisition circuit is connected to the digital signal input terminal of the processor circuit, the input terminals of the power output execution circuit and the panel status display circuit are connected to the digital signal output terminal of the processor circuit, and the output terminal of the pyrotechnics testing circuit is connected to the analog signal input terminal of the processor circuit. The switch status acquisition circuit is used to detect and acquire the switch status of the control panel module and the actual working status of the device under test. The output current acquisition circuit is used to detect and acquire the power supply current of the device under test; The pyrotechnics testing circuit is used to detect and collect the resistance value of the pyrotechnics under test. The processor circuit is used to convert the input analog signal into a digital signal and receive the switching status of the switching status acquisition circuit, thereby controlling the output of the power output execution circuit and the status display of the panel status display circuit. The panel status display circuit is used to display the working status of the device under test, the pyrotechnic device under test, and the control panel module according to the digital signal.
2. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The switch status acquisition circuit includes a device panel switch acquisition circuit, a motor extension / retraction status acquisition circuit, a fuse open / closed status acquisition circuit, and a power output execution circuit acquisition circuit; the device under test also includes the fuse under test. The device panel switch acquisition circuit is used to acquire the user's operations on the panel knobs and switches of the control panel module. The operations include test object selection, and / or test mode selection, and / or motor extension / retraction control, and / or fuse opening / closing control, and / or heating tile heating / closing control. The motor extension / retraction status acquisition circuit is used to detect the actual working status of the motor under test; The fuse open / closed status acquisition circuit is used to detect the actual working status of the fuse being tested. The power output execution circuit acquisition circuit is used to detect the output of the internal execution circuit.
3. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The output current acquisition circuit includes: a current sensor and an output low-pass filter circuit; The current sensor uses the Hall effect principle. The positive bus that supplies power to the motor and heating tile passes through the center of the current sensor, and the current sensor realizes the conversion of the measured current into the collected voltage. The output low-pass filter circuit performs low-pass filtering on the acquired voltage to remove high-frequency interference noise, and outputs it to the analog-to-digital conversion input terminal of the processor circuit.
4. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The pyrotechnics testing circuit includes: a battery power supply and conversion circuit, a constant current source circuit, an instrumentation amplifier circuit, an isolation operational amplifier circuit, an analog switch circuit, and an isolation bus circuit; The battery power supply and conversion circuit provides the secondary power required for the operation of the constant current source circuit, instrumentation amplifier circuit, isolation operational amplifier circuit, analog switch circuit, and isolation bus circuit. The constant current source circuit provides a milliampere-level test current to the pyrotechnic device under test; The instrument amplifier circuit amplifies the collected voltage; The isolated operational amplifier circuit performs a one-to-one voltage conversion for the output voltage of the instrumentation amplifier circuit; The analog switching circuit is used to switch and acquire data from multiple channels of pyrotechnic devices and reference resistors. The isolation bus circuit is used for the microcontroller to isolate and select channels of the analog switch circuit.
5. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The processor circuit includes: a microcontroller, and a crystal oscillator, a reset circuit, a memory circuit, and a download interface, all of which are connected to the microcontroller via signals. The microcontroller is used to convert the input analog signal into a digital signal and receive the switching status of the switching status acquisition circuit, thereby controlling the output of the power output execution circuit and the status display of the panel status display circuit. The crystal oscillator provides the external clock required for the operation of the microcontroller. The reset circuit provides a power-on reset signal to the microcontroller. The memory circuit is used to store the data generated by the microcontroller during the testing process. The download interface is used to burn programs to the microcontroller.
6. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The panel status display circuit includes a panel LED status indicator circuit: The LED status indicator circuit is used to display whether the motor has extended / retracted into place, whether the fuse has been opened / closed, whether the heating tile has been turned on / off, and the self-test status of the testing equipment.
7. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The panel status display circuit includes an LCD screen status display circuit; The LCD status display circuit displays test result data through the LCD module, including voltage data and current data.
8. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, It also includes a power conversion circuit, the power output terminal of which is connected to the power input terminal of the processor circuit, and several power output terminals of the processor circuit are respectively connected to the switch status acquisition circuit, the output current acquisition circuit, the pyrotechnics test circuit and the panel status display circuit.
9. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, The device under test includes at least a motor and a heating tile installed on the launch vehicle.
10. The integrated transmitting device functional testing equipment according to claim 1, characterized in that, It also includes a communication circuit for bus communication with the device under test and / or other ground equipment.