Missile test equipment

Abstract

The invention discloses missile test equipment, which comprises a damping cabinet, a KVM display, an industrial personal computer, a measurement and control combination, a power supply, a drawer, a cabinet internal cable, a cabinet panel, an air switch, a fan and a PDU extension socket, and is characterized in that the KVM display, the industrial personal computer, the measurement and control combination, the power supply and a drawer upper frame are fixedly mounted on the damping cabinet; the fan and the PDU extension socket are installed on a rear panel of the damping cabinet, the damping cabinet is further provided with an external interface and an air switch, redundant space is sealed through a baffle, market mature function modules are adopted for building, a special case and a board card do not need to be customized, and cost is reduced. On the basis of 12U damping cabinet integration, the overall size is only 1 / 3 of that of traditional case type equipment; all the components and modules in the measurement and control combination can be replaced independently, only a single module needs to be replaced during fault maintenance, and the guarantee period is shortened.

Description

Technical Field

[0001] This invention relates to a missile testing device. Background Technology

[0002] Missile testing equipment is a critical component of missile weapon systems. Its core function is to verify missile functional indicators, locate faults, and ensure that the missile is ready for flight testing and combat. Currently, most mainstream missile testing equipment adopts a chassis-based architecture such as PCI, PXIE, or VXI, with board modules relying on chassis slot bus connections. This approach has the following drawbacks: 1. High cost: The research and development and procurement costs of dedicated chassis and circuit boards are high, making them unsuitable for the low-cost testing needs of multiple missile models; 2. Large size: The chassis-type architecture has low integration, the overall size of the equipment is large, the mobility is poor, and it is difficult to adapt to field tests or test scenarios in confined spaces. 3. Long development cycle: The custom development cycle of dedicated boards is long, which makes it impossible for testing equipment to be quickly matched with missile model iterations; 4. Inconvenient maintenance: The boards are highly dependent on the chassis bus. A failure of one board may cause the entire system to crash. Moreover, maintenance requires special parts, resulting in low efficiency.

[0003] Therefore, there is an urgent need for a low-cost, miniaturized, modular missile testing device with a short development cycle to solve the aforementioned problems of existing chassis-type architecture devices. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing chassis-type missile testing equipment, such as high cost, large size, long development cycle, and inconvenient maintenance, and to provide a missile testing equipment based on mature functional modules, which achieves low cost, miniaturization, and modular integration, while meeting the core functional requirements of missile low-frequency testing, software upgrades, timing verification, battery activation, and simulated flight.

[0005] The technical solution of the present invention: A missile testing device includes a shock-absorbing cabinet, a KVM monitor, an industrial control computer, a measurement and control assembly, a power supply, drawers, internal cables of the cabinet, a cabinet panel, a circuit breaker, a fan, and a PDU power strip. The KVM monitor, industrial control computer, measurement and control assembly, power supply, and drawers are fixedly mounted on the shock-absorbing cabinet. The fan and PDU power strip are installed on the rear panel of the shock-absorbing cabinet. The shock-absorbing cabinet is also equipped with external interfaces and a circuit breaker. Excess space is enclosed by a baffle. The measurement and control unit is powered by AC220V and integrates an AC-DC module, a relay module, a DI module, a serial communication module, a network communication module, a CAN communication module, an analog signal acquisition module, a TTL high-speed acquisition module, and a conditioning module. The serial communication module communicates with the industrial computer's USB interface, relay module, DI module, analog signal acquisition module, TTL high-speed acquisition module, and low-voltage signal interface X212 interface via a serial communication USB interface X222-1. The CAN communication module communicates with the industrial computer's USB port via a CAN communication USB interface X222-2 and is also connected to the low-voltage signal interface X212 interface. The network communication module is connected to the DC28V power supply provided by the AC-DC module and is also connected to the low-voltage signal interface X212 interface and the network communication interface X113.

[0006] The relay module is connected to the DC28V power supply of the AC-DC module, receives control commands from the serial communication module, and is also connected to the conditioning module and the TTL high-speed acquisition module. The output terminal of the relay module is connected to the contactor through the conditioning module, and the voltage signal output terminal is connected in parallel with a filter capacitor and a discharge resistor, and is connected to the power controlled interface X111 through the power controlled output interface X211.

[0007] The DI module is connected to the DC28V power supply of the AC-DC module, receives instructions from the serial communication module, and the front end is connected to an external switch signal through the conditioning module. The conditioning module has a matching resistor in series in the front end line of the DI module, a pull-down resistor, a reverse connection protection diode and a filter capacitor to prevent accidental touch in parallel. The conditioning module is connected to an external controlled power supply through the external power input interface X221 and to an external low-voltage signal through the low-voltage signal interface X212.

[0008] The analog signal acquisition module is connected to the DC28V power supply of the AC-DC module and receives instructions from the serial communication module. The front end is connected to the external analog signal through the conditioning module. The conditioning module adds a voltage divider resistor to the front end of the analog signal acquisition module and connects a resistor in parallel to the front end of the positive and negative channels of the analog signal acquisition module to eliminate the virtual voltage. The analog signal acquisition module is connected to the analog signal acquisition interface X115 through the analog signal acquisition interface X214.

[0009] The TTL high-speed acquisition module is connected to the DC28V power supply of the AC-DC module, receives instructions from the serial communication module, and is connected to the analog quantity acquisition interface X214 and the internal signal monitoring interface X215 respectively. It also communicates with the relay module and the DI module.

[0010] The front panel of the measurement and control unit is equipped with a normal working indicator light for the TTL high-speed acquisition module. The TTL signal judgment standard is: input voltage ≥ 4.5V is high level, and input voltage ≤ 2V is low level.

[0011] The shock-absorbing cabinet is a 12U size and is equipped with casters at the bottom; the shock-absorbing cabinet integrates a 1U size KVM monitor, mouse, and keyboard. The industrial computer is a 2U form factor computer, equipped with a CPU of at least i7, RAM of at least 16GB, hard disk of at least 1TB, at least 10 USB ports, at least 2 Gigabit Ethernet ports, at least 1 PCI expansion slot, and powered by AC220V.

[0012] The internal cables of the vibration damping cabinet include 2×0.15mm² twisted-pair shielded cables for signal lines and shielded cables for power supply. The industrial control computer is connected to the USB communication interfaces X222-1 and X222-2 of the measurement and control assembly via USB ports through internal cabinet cables. The controlled power output interface X211, weak current signal interface X212, analog quantity acquisition interface X214, and internal signal monitoring interface X215 of the measurement and control assembly are respectively connected to the external interface controlled power output interface X111, weak current signal interface X112, analog quantity acquisition interface X115, and measurement and control assembly monitoring interface X116 of the cabinet panel via internal cabinet cables. The network communication module is connected to the network communication interface X113 of the cabinet panel via internal cabinet cables.

[0013] The power supply is a programmable DC power supply with a volume of no more than 1U and uses AC220V power supply.

[0014] The beneficial effects of this invention are: Built using mature market functional modules, eliminating the need for customized dedicated chassis and boards, reducing procurement costs by over 40%; integrated into a 12U shock-absorbing cabinet, the overall volume is only 1 / 3 of traditional chassis-type equipment, and the use of casters enhances mobility; each component and internal module of the measurement and control assembly is independently replaceable, requiring only the replacement of a single module during fault repair, shortening the maintenance cycle to within 2 hours; the procurement cycle for mature modules is short (≤15 days), and the overall equipment development cycle is controlled within 1 month, enabling rapid matching with missile model iterations; covering pyrotechnics detection, signal acquisition (switching, analog, TTL), multiple types of communication (serial port, Ethernet port, CAN), software upgrades, timing verification, battery activation, and simulated flight, meeting the full life cycle testing requirements of missiles; through shielded cables, conditioning module protection, and multiple protections from circuit breakers, anti-interference capabilities and equipment safety are significantly improved, adapting to complex environments such as field, high temperature, and vibration; standardized interfaces and modular design can be adapted to multiple types of surface-to-air missiles without redesigning the main equipment structure, making it highly scalable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the front and rear panels of the cabinet of the present invention; Figure 2 This invention relates to the external interface panel of the cabinet. Figure 3This is the external interface panel of the measurement and control combination of the present invention; Figure 4 This is a connection diagram of the measurement and control assembly of the present invention; Figure 5 This is a schematic diagram of the internal cable connections of the cabinet in this invention. Detailed Implementation

[0016] Example 1: like Figure 1 The test equipment includes a shock-absorbing cabinet, KVM monitor, industrial computer, measurement and control unit, power supply, drawer, internal cabinet cables, cabinet panel, circuit breaker, fan and PDU power strip.

[0017] Furthermore, the missile testing equipment includes a KVM monitor, industrial computer, measurement and control unit, power supply, and drawer rack, all fixedly installed in a shock-absorbing cabinet. The rear panel of the missile testing equipment cabinet is used to install fans, PDU power strips, external interfaces of the testing equipment, and circuit breakers. Any remaining space is used to install baffles.

[0018] Vibration-damping cabinet: 12U size is selected to support and fix the monitor, industrial computer, measurement and control combination, power supply and drawer; the bottom of the cabinet is equipped with casters of no less than 8 inches to ensure both mobility and stability. Monitor: 1U rack-mount KVM monitor, integrating monitor, mouse and keyboard to reduce device footprint; Industrial PC: 2U form factor, with CPU no less than i7, RAM no less than 16G, hard drive no less than 1T, no less than 10 USB ports, no less than 2 Gigabit Ethernet ports, no less than 1 PCI expansion slot, AC220V power supply, serving as the core for centralized control and data processing of the equipment; Measurement and control unit: No larger than 3U in size, powered by AC220V, it is the core unit for realizing functions. It integrates AC-DC module, relay module, DI module (digital input module), serial communication module, network communication module, CAN communication module, analog signal acquisition module, TTL high-speed acquisition module and conditioning module. Power supply: A programmable DC power supply with a size of no more than 1U is used for ground power supply of the missile and power supply of the simulated on-board battery. Drawers: No larger than 3U in volume, installed via angle iron trays, used for storing test cables and tools; Cabinet internal cables: Signal cables use 2×0.15mm² twisted-pair shielded cables, and power supply cables use shielded cables, used to connect industrial control computers, measurement and control units, power supplies and test cables, to ensure signal transmission anti-interference capability; Rack panels: divided into two categories: baffles and fixed equipment panels; fixed equipment panels include fan, circuit breaker and connector panels, connector panels are further divided into controlled power output connectors, low voltage signal connectors, communication signal connectors, analog signal acquisition connectors and measurement and control combination monitoring connectors; the baffle of the rear panel of the rack adopts a hinged design for easy maintenance; Circuit breaker: Fixed to the rear panel of a rack no larger than 4U, it has overload protection, short circuit protection, undervoltage protection, isolation function, control function and leakage protection, and is used for power supply control and safety protection inside the rack; Fan: Fixed to the rear panel of a rack no larger than 2U, used for equipment heat dissipation to ensure long-term operational stability; PDU power strip: No larger than 1U in size, providing no less than 3 AC220V sockets for external power supply expansion.

[0019] The measurement and control system is the core of the equipment's functionality. Each module has a clear division of labor and is connected through standardized interfaces, as detailed below: AC-DC module: Input AC220V, output DC28V through 100W step-down isolation circuit, powering the relay module, DI module, serial communication module, analog acquisition module and TTL high-speed acquisition module in the combination; Relay module: Powered by DC28V, it receives control commands via isolated RS485 communication (baud rate can be changed), and is configured with no less than 10 contacts (isolated between contacts, with a capacity of no less than DC30V / 10A) to perform controlled power output; the output terminal is connected to the contactor through a conditioning module, and the voltage signal output terminal is connected in parallel with a filter capacitor and a discharge resistor; DI module: Powered by DC28V, it transmits switch status via isolated RS485 communication (baud rate can be changed), and is configured with no less than 3 DI ports (input range 5~24V); the front end is processed by a conditioning module (series matching resistor, parallel pull-down resistor and reverse connection protection diode, and anti-accidental touch filter capacitor) to ensure signal compatibility and equipment safety. Serial communication module: It interacts with the industrial control computer via USB port and supports RS485 / RS422 communication (adjustable baud rate). It is configured with no less than 8 serial ports to realize data interaction between the industrial control computer and various functional modules. Network communication module: Based on a mini switch, it provides no less than 5 100Mbps network ports for Ethernet communication expansion; CAN communication module: It interacts with the industrial control computer via USB port and provides no less than two isolated CAN communication channels for CAN bus signal transmission. Analog signal acquisition module: powered by DC28V, it uploads acquired data via RS485 communication (baud rate can be changed), and is configured with no less than 16 channels of 0~100V voltage acquisition (sampling rate no less than 200KHz / channel, acquisition bit depth no less than 12 bits, accuracy ±1‰); the front end is processed by voltage divider by conditioning module, and parallel resistors are connected between positive and negative channels to eliminate virtual voltage; TTL high-speed acquisition module: powered by DC28V, it uploads data via RS422 communication (baud rate 921.6kbps), and is configured with no less than 2 acquisition channels (sampling rate no less than 1MHz / channel); the TTL signal judgment standard is that the input voltage ≥4.5V is high level and ≤2V is low level; the front panel of the assembly is equipped with a TTL normal operation indicator light; Conditioning Module: As a signal preprocessing unit, it implements the following for different module requirements: ① Signal matching and protection at the front end of the DI module (series resistor, parallel pull-down resistor / reverse connection protection diode / filter capacitor); ② Voltage division and virtual voltage elimination at the front end of the analog acquisition module; ③ Filtering and discharge protection at the output of the relay module.

[0020] like Figure 2 As shown, the measurement and control unit and cabinet panel are equipped with dedicated interfaces to enable interaction with external devices: Measurement and control unit interfaces: The front panel is equipped with AC-DC module normal operation indicator and TTL normal operation indicator; The rear panel is equipped with a 220V power supply port X220, an external power input interface X221, a power controlled output interface X211, a low-voltage signal interface X212, an analog signal acquisition input interface X214, an internal signal monitoring interface X215, and a USB communication interface X222-1 / 2; like Figure 3 As shown, the external interfaces of the cabinet are implemented through panel connectors, including power controlled output X111, low voltage signals X112 (including power detection, short circuit, installation completion signals and multiple types of communication signals), network communication X113, serial communication X114, analog signal acquisition X115, measurement and control combination monitoring X116, and CAN communication X117.

[0021] Figure 4 This is a schematic diagram of the internal connections of the missile test equipment cabinet. The internal cables connect the main control computer, KVM monitor, telemetry and control unit, and power supply, and route external signals to the cabinet panel for connection to the test cables.

[0022] Figure 5 This is a schematic diagram of the internal connections of the measurement and control assembly for missile testing equipment. The measurement and control assembly is no larger than 3U and is powered by AC220V. The front panel of the measurement and control assembly is located at the rear. The measurement and control assembly includes an AC-DC module, a relay module, a DI module, a serial communication module, a network communication module, a CAN communication module, an analog signal acquisition module, a TTL high-speed acquisition module, a conditioning module, etc.

[0023] The assembly and use steps for missile testing equipment are as follows: Step 1: Assemble the measurement and control system in accordance with Figure 5 The internal connection relationships of the measurement and control system are established to complete the assembly of each module: The AC-DC module, relay module, DI module, serial communication module, network communication module, CAN communication module, analog signal acquisition module, TTL high-speed acquisition module, and conditioning module are fixed in a 3U metal housing. Power supply connection: The X220 interface connects to AC220V and is used to connect the AC-DC module and the network communication module (switch); the AC-DC module outputs DC28V and is used to connect the relay module, DI module, serial communication module, analog signal acquisition module, and TTL high-speed acquisition module; the X221 interface connects to an external controlled power supply and is used to connect the relay module, DI module, and conditioning module. Communication links: The serial communication module connects to the industrial computer's USB port via the X222-1 interface, and also connects to the relay module, DI module, analog signal acquisition module, TTL high-speed acquisition module, and X212 interface; the CAN communication module connects to the industrial computer's USB port via the X222-2 interface, and also connects to the X212 interface; the network communication module connects to the X220 (power supply), X212 interface, and X213 interface. Connection function links: The relay module connects to the conditioning module, the TTL high-speed acquisition module and the X211 interface; the DI module connects to the conditioning module and the X221 interface; the analog acquisition module connects to the conditioning module and the X214 interface; the TTL high-speed acquisition module connects to the X214 interface and the X215 interface; the conditioning module connects to the X211, X212 and X214 interfaces.

[0024] Step 2: Equipment installation at the front of the rack in accordance with Figure 1 Left image: Installation from top to bottom on the front of a 12U shock-absorbing cabinet: A programmable DC power supply of no more than 1U is installed at the bottom; Install a drawer no larger than 3U above the power supply (secured with an angle iron tray). The assembled measurement and control unit (no larger than 3U) is installed above the drawer. A 2U industrial computer is installed on top of the measurement and control unit; A 1UKVM monitor is installed on the top of the cabinet and connected to the industrial computer via a USB cable to enable human-computer interaction.

[0025] Step 3: Internal cable connection of the cabinet in accordance with Figure 4Use the specified type of cable to complete the internal connections: Power supply cable: Connect the AC220V output of the PDU power strip to the industrial computer, the measurement and control unit (X220 interface), the power supply, the fan, and the circuit breaker respectively; Signal cable: Connect the USB port of the industrial computer to the X222-1 / 2 interface of the measurement and control unit and the KVM monitor; Connect the network port of the industrial computer to the network communication module of the measurement and control unit; Functional cable: Connect the X211 and X215 interfaces of the measurement and control unit to the corresponding external interfaces (X111 and X117) on the rear panel of the cabinet through twisted pair shielded cable / shielded cable; Connect the power output to the X111 interface (controlled power supply output).

[0026] Step 4: Installation of equipment at the back of the rack in accordance with Figure 1 The image on the right shows the installation on the back of a 12U shock-absorbing cabinet. Install a fan no larger than 2U on the top (aligned with the heat dissipation vents of the industrial computer and measurement and control unit). Install a circuit breaker no larger than 4U below the fan (connected in series to the main power supply circuit). Install an external interface panel (fixed X111~X117 connector) below the circuit breaker. A PDU power strip no larger than 1U is installed below the interface panel; The remaining space is used to install hinged baffles to cover redundant areas and facilitate future maintenance.

[0027] Step 5: Equipment Debugging and Use Power supply debugging: Close the PDU connector and circuit breaker, and check whether the industrial control computer, measurement and control combination (AC-DC indicator light is on), power supply and fan are powered on normally; Communication debugging: After the industrial control computer starts up, the communication status (baud rate matching) of each module of the measurement and control combination is detected through serial port / USB communication software to ensure normal data transmission and reception; Functional testing: Analog signal acquisition: Input a standard voltage of 0~100V through the X115 interface, and the industrial control computer reads the acquired data to verify whether the accuracy meets the ±1‰ requirement; TTL acquisition: Input 4.5V (high level) and 2V (low level) signals through the X114 interface, and observe the TTL indicator and the acquisition results of the industrial control computer; Relay control: The industrial computer sends commands to control the relay module contacts to operate, and detects whether the output voltage is normal through the X111 interface; Feedback test: Trigger the DI module input signal (5~24V), the industrial control computer receives the feedback status, and verifies the accuracy of the switch quantity acquisition; Practical application: Connect the missile test cable to the external interface of the cabinet to perform pyrotechnic testing, software upgrades, timing verification, battery activation, or simulated flight tests, and view the test data and status through the KVM monitor.

Claims

1. A missile test apparatus, characterized by: The shock-absorbing cabinet, KVM display, industrial computer, measurement and control combination, power supply, drawer, cabinet internal cable, cabinet panel, air switch, fan and PDU row plug are fixedly installed on the shock-absorbing cabinet; the fan and PDU row plug are installed on the rear panel of the shock-absorbing cabinet, and the shock-absorbing cabinet is further provided with an external interface and an air switch, and the excess space is closed by a baffle; The measurement and control combination is powered by AC220V, and is internally integrated with an AC-DC module, a relay module, a DI module, a serial communication module, a network communication module, a CAN communication module, an analog quantity acquisition module, a TTL high-speed acquisition module and a conditioning module; the serial communication module is connected with the USB interface of the industrial computer, the relay module, the DI module, the analog quantity acquisition module, the TTL high-speed acquisition module and the weak current signal interface X212 through a serial communication USB interface X222-1; the CAN communication module is connected with the USB port of the industrial computer and the weak current signal interface X212 through a CAN communication USB interface X222-2; and the network communication module is connected with the weak current signal interface X212 and the network communication interface X113 through the DC28V power supply provided by the AC-DC module.

2. The missile test equipment of claim 1, wherein: The relay module is connected with the DC28V power supply of the AC-DC module, receives the control instruction of the serial communication module, and is connected with the conditioning module and the TTL high-speed acquisition module; the output end of the relay module is connected with the contactor through the conditioning module, the voltage signal output end is connected with the filter capacitor and the discharge resistor in parallel, and is connected with the power controlled interface X111 through the power controlled output interface X211.

3. The missile test equipment of claim 1, wherein: The DI module is connected with the DC28V power supply of the AC-DC module, receives the instruction of the serial communication module, and is connected with the external switching signal through the conditioning module in the front end; the conditioning module is connected with the matching resistor in series, the pull-down resistor, the anti-reverse diode and the anti-mis-touch filter capacitor in parallel in the front end of the DI module, and is connected with the external weak current signal through the external power input interface X221 and the weak current signal interface X212.

4. The missile test equipment of claim 1, wherein: The analog quantity acquisition module is connected with the DC28V power supply of the AC-DC module, receives the instruction of the serial communication module, and is connected with the external analog quantity signal through the conditioning module in the front end; the conditioning module is connected with the voltage dividing resistor in the front end of the analog quantity acquisition module, and is connected with the resistance in parallel in the front end of the positive and negative channels of the analog quantity acquisition module to eliminate the virtual voltage, and the analog quantity acquisition module is connected with the analog quantity acquisition interface X115 through the analog quantity acquisition interface X214.

5. The missile test equipment of claim 1, wherein: The TTL high-speed acquisition module is connected with the DC28V power supply of the AC-DC module, receives the instruction of the serial communication module, and is connected with the analog quantity acquisition interface X214 and the internal signal monitoring interface X215 respectively, and communicates with the relay module and the DI module.

6. The missile test equipment of claim 5, wherein: The front panel of the measurement and control combination is provided with the working normal indicator lamp of the TTL high-speed acquisition module, and the TTL signal determination standard is that the input voltage ≥4.5V is high level and the input voltage ≤2V is low level.

7. The missile test equipment of claim 1, wherein: The shock-absorbing cabinet is 12U specification, and is provided with universal wheels at the bottom; the shock-absorbing cabinet is integrated with a 1U specification cabinet KVM display and a mouse and a keyboard.

8. The missile test equipment of claim 1, wherein: The industrial computer is 2U specification, and is configured with a CPU not less than i7, a running memory not less than 16G, a hard disk not less than 1T, USB ports not less than 10, gigabit network ports not less than 2, and PCI expansion slots not less than 1, and is powered by AC220V.

9. The missile test equipment of claim 1, wherein: In the internal cable of the shock-absorbing cabinet, the signal line is a 2*0.15mm2 twisted shielded line, and the power supply line is a shielded line; the industrial computer is connected to the USB communication interface X222-1 and the USB communication interface X222-2 of the measurement and control combination through the USB port and the internal cable of the cabinet; the power supply controlled output interface X211, the weak current signal interface X212, the analog quantity acquisition interface X214 and the internal signal monitoring interface X215 of the measurement and control combination are respectively connected to the external interface controlled power supply output interface X111, the weak current signal interface X112, the analog quantity acquisition interface X115 and the measurement and control combination monitoring interface X116 of the cabinet panel through the internal cable of the cabinet; and the network port communication module is connected to the network port communication X113 of the cabinet panel through the internal cable of the cabinet.

10. The missile test equipment of claim 1, wherein: The power supply is a programmable DC power supply, and the volume is not greater than 1U, and is powered by AC220V.

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