CN216900855U - High-voltage power supply assembly test system of avionic device - Google Patents
High-voltage power supply assembly test system of avionic device Download PDFInfo
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- CN216900855U CN216900855U CN202123189005.8U CN202123189005U CN216900855U CN 216900855 U CN216900855 U CN 216900855U CN 202123189005 U CN202123189005 U CN 202123189005U CN 216900855 U CN216900855 U CN 216900855U
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Abstract
The utility model discloses a high-voltage power supply assembly test system of avionic equipment, wherein a high-voltage power supply assembly of the high-voltage power supply assembly test system is provided with two external interfaces which are an X1 socket and an X2 socket respectively, the X1 socket is a power supply interface of an input power supply of the high-voltage power supply assembly and a switch signal and computer position instruction signal interface of the work of the high-voltage power supply assembly, and the X2 socket is a power supply generated by the high-voltage power supply assembly and an output interface of a modulator power supply; the testing system comprises a general combination instrument, a signal switching unit, a signal conditioning unit and a power supply combination power supply which are sequentially arranged in the cabinet body from top to bottom, wherein the power supply combination power supply is connected with X1 sockets of the general combination instrument, the signal switching unit and a high-voltage power supply assembly, and an X2 socket of the high-voltage power supply assembly is connected with the signal conditioning unit and the signal switching unit. The method has high testing efficiency and strong practicability, can finish the construction of the working loop of the high-voltage power supply assembly, and can visually reflect the working characteristics of the high-voltage power supply assembly.
Description
Technical Field
The utility model relates to the technical field of avionic equipment, in particular to a high-voltage power supply assembly testing system of avionic equipment.
Background
The high-voltage power supply assembly of the avionic device is used as a part of important assemblies and provides a filament power supply, a grid power supply and a cathode power supply for the klystron, the generated high voltage reaches kilovolt, and the conventional detection instrument and method cannot meet the test requirements. When in maintenance, the high-voltage power supply component cannot be detected and repaired because no detection method or detection device aiming at the high-voltage power supply is provided domestically.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a high voltage power supply assembly testing system for avionic devices, which has high reliability, stable performance and convenient detection.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-voltage power supply assembly test system of avionic equipment is disclosed, wherein a high-voltage power supply assembly of the test system is provided with two external interfaces which are an X1 socket and an X2 socket respectively, an X1 socket is a power supply interface of an input power supply of the high-voltage power supply assembly and a switching signal and computer position instruction signal interface of the work of the high-voltage power supply assembly, and an X2 socket is an output interface of a power supply required by the work of a klystron generated by the high-voltage power supply assembly and a power supply of a modulator; the testing system comprises a universal combined instrument, a signal switching unit, a signal conditioning unit and a power supply combined power supply which are sequentially arranged in a cabinet body from top to bottom, wherein the power supply combined power supply is connected with the universal combined instrument, the signal switching unit and an X1 socket of a high-voltage power supply assembly, and an X2 socket of the high-voltage power supply assembly is connected with the signal conditioning unit and the signal switching unit; the universal combined instrument comprises an oscilloscope, a signal generator, a high-voltage probe and a universal meter.
Furthermore, the power supply combination power supply comprises a power supply module, the power supply module is an AC/DC power supply module, the power supply module outputs a first power supply and a second power supply, and the two DC power supplies are respectively connected with the power supply interface of the X1 plug through two air switches.
Furthermore, the signal conditioning unit is mainly used for simulating the function of a high-voltage power supply assembly load, the load is composed of a plurality of high-power resistors, and the signal conditioning unit is mainly used for simulating a filament load to cathode load and a collector load to cathode load of a high-voltage power supply klystron.
Furthermore, the signal switching unit is used for switching the output signal of the high-voltage power supply assembly and facilitating the test of the output signal by using the high-voltage probe; the device is also used for controlling the first power supply and the second power supply of the high-voltage power supply assembly and completing the detection of the current measurement values of the two power supply assemblies.
Furthermore, a fan is mounted on the back of the signal conditioning unit in the cabinet body.
Due to the adoption of the technical scheme, the utility model has the following advantages:
this avionics equipment's high voltage power supply subassembly test system, its simple structure, easy and simple to handle, the function is perfect, the test is high-efficient, the practicality is strong, safe and reliable, can accomplish the building of high voltage power supply subassembly work circuit, test negative pole negative high pressure, grid positive high pressure, collector voltage, heating current, high-voltage current isoparametric, audio-visual reflection high voltage power supply subassembly working property has good popularization and application and worth.
Drawings
Fig. 1 is a block diagram of a high voltage power supply assembly test system of an avionics device according to the present invention;
fig. 2 is a block diagram of an embodiment of the signal conditioning unit of fig. 1.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the high voltage power supply module of the test system for high voltage power supply module of avionic device has two external interfaces, which are X1 socket and X2 socket, X1 socket is the power supply interface of the input power supply of the high voltage power supply module and the interface of the switch signal and computer position command signal for the operation of the high voltage power supply module, and X2 socket is the output interface of the power supply for the operation of the klystron generated by the high voltage power supply module and the power supply of the modulator; the testing system comprises a general combined instrument, a signal switching unit, a signal conditioning unit and a power supply combined power supply which are sequentially arranged in a cabinet body from top to bottom, wherein the power supply combined power supply is connected with the general combined instrument, the signal switching unit and an X1 socket of a high-voltage power supply assembly, and an X2 socket of the high-voltage power supply assembly is connected with the signal conditioning unit and the signal switching unit; the general combined instrument comprises a Tak DPO4034 oscilloscope, an Agilent 33220A signal generator, a FLUKE 80K-6 high-voltage probe and a FLUKE289 universal meter, wherein the signal generator is used for generating synchronous signals required by the high-voltage power supply assembly, the synchronous signals are added to a signal synchronous end of the high-voltage power supply assembly after being tested by the oscilloscope to start the high-voltage power supply assembly to work, and an oscillating circuit of the high-voltage power supply assembly works in an optimal state.
The power supply combined power supply comprises a power supply module, wherein the power supply module is an AC/DC power supply module, an AC mains supply filters clutter signals through an AC filter, and the AC/DC power supply module is input into the AC/DC power supply module through a leakage protection switch and a socket, so that the influence of the mains supply network fluctuation and the clutter signals on the normal work of the power supply module is reduced, and the AC/DC power supply module outputs two DC power supplies which are respectively: the power supply device comprises a first power supply 27V and a second power supply 33V, wherein the first power supply 27V and the second power supply 33V are respectively connected with a power supply interface of an X1 plug through an air switch K1 and an air switch K2; alternating current commercial power is controlled by the leakage protection switch to supply power to the fan, and is connected with the universal combination instrument through the extension socket to supply power to the universal combination instrument.
The signal conditioning unit is mainly used for simulating the function of a high-voltage power supply assembly load, the load consists of a plurality of high-power resistors, and the signal conditioning unit is mainly used for simulating a filament load to cathode load and a collector load to cathode load of a high-voltage power supply klystron, so that the high-voltage power supply assembly can normally work after being electrified. Preferably, as shown in FIG. 2, the filament-to-cathode load is modeled as a 3 Ω/50W resistor R8, connected between pin 10 and pin 12 of the X2 socket; the collector-to-cathode load is an 11k omega/350W load formed by connecting a plurality of high-power resistors (a resistor R1-a resistor R7) in series and is connected between a pin 1 and a pin 4 of an X2 socket.
The signal switching unit comprises a first transformer, a first ammeter, a second transformer and a second ammeter, wherein the input ends of the first transformer and the second transformer are connected with the output end of the leakage protection switch, the first transformer and the second transformer are used for converting 220V alternating current into 9V direct current to provide direct current voltage for the first ammeter and the second ammeter, the first ammeter and the second ammeter are connected in series in a power supply line of a first power supply and a second power supply through an X1 socket of a high-voltage power supply assembly respectively, the first power supply and the second power supply of the high-voltage power supply assembly are controlled through an air switch K1 and an air switch K2 respectively, and current measurement value detection of the two paths of power supply is completed.
The signal switching unit panel is characterized in that organic glass is embedded in a metal panel, a testing jack is arranged on the organic glass, and a testing point of an X2 socket is switched to a testing hole of the organic glass, so that the aim of safety testing is fulfilled; the signal switching unit is used for switching the output signals of the high-voltage power supply assembly and facilitating the test of the output signals by the high-voltage probe.
In the cabinet body, the fan is arranged on the back of the signal conditioning unit, so that the heat dissipation of the internal load is facilitated, and the safety is improved.
The utility model relates to a high-voltage power supply assembly test system of avionic equipment, which mainly completes the functions of supplying power to a high-voltage power supply assembly, controlling a computer position instruction and a high-voltage power supply working synchronous signal and testing an output high-voltage signal. When the test system works, 220V 50Hz alternating current commercial power enters the test system through the filter under the control of the leakage protection switch to supply power to the power supply module, the equipment fan and the transformer, and the universal combined instrument and the power supply module realize power supply through the extension socket in the case; the first power supply and the second power supply working voltage output by the power supply module after being switched on are connected with the switch input ends of the first power supply and the second power supply on the signal transfer unit panel through the conducting wire and the X1 socket. When a product is tested, after the first power supply is preheated for 2min, a synchronous signal and a second power supply are simultaneously added to a high-voltage power supply assembly; the bit instruction signal is effective due to low level, and a manual adding mode is adopted to supply products; the ammeter is connected to the ground ends of the first power supply and the second power supply to monitor the working current of the power supplies; the working voltage of a klystron and the power supply voltage of a modulator generated by the work of a high-voltage power supply assembly are sent to an X2 detection panel of a signal transfer unit panel through an X2 socket, and the output values of all points are measured by using a high-voltage probe 80K-6 and a universal meter FLUKE 289. In addition, the signal conditioning unit completes the simulation of the load and provides output load and protection for the high-voltage power supply assembly.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should fall within the protection scope of the present invention.
Claims (5)
1. A high voltage power supply assembly test system of avionic equipment is characterized in that: the high-voltage power supply assembly is provided with two external interfaces which are an X1 socket and an X2 socket respectively, the X1 socket is a power supply interface of an input power supply of the high-voltage power supply assembly and a switch signal and computer position instruction signal interface for the work of the high-voltage power supply assembly, and the X2 socket is an output interface of a power supply required by the work of a klystron generated by the high-voltage power supply assembly and a power supply of a modulator; the testing system comprises a universal combined instrument, a signal switching unit, a signal conditioning unit and a power supply combined power supply which are sequentially arranged in a cabinet body from top to bottom, wherein the power supply combined power supply is connected with the universal combined instrument, the signal switching unit and an X1 socket of a high-voltage power supply assembly, and an X2 socket of the high-voltage power supply assembly is connected with the signal conditioning unit and the signal switching unit; the general combined instrument comprises an oscilloscope, a signal generator, a high-voltage probe and a universal meter.
2. The system for testing a high voltage power supply assembly of an avionics device of claim 1, characterized in that: the power supply combination power supply comprises a power supply module, the power supply module is an AC/DC power supply module, the power supply module outputs a first power supply and a second power supply, and the two DC power supplies are respectively connected with a power supply interface of an X1 plug through two air switches.
3. The system for testing a high voltage power supply assembly of an avionics device of claim 1, characterized in that: the signal conditioning unit is mainly used for simulating the function of a high-voltage power supply assembly load, the load is composed of a plurality of high-power resistors and is mainly used for simulating a filament load to cathode load and a collector load to cathode load of a high-voltage power supply klystron.
4. The system for testing a high voltage power supply assembly of an avionics device of claim 1, characterized in that: the signal switching unit is used for switching the output signals of the high-voltage power supply assembly and facilitating the test of the output signals by using the high-voltage probe; the device is also used for controlling the first power supply and the second power supply of the high-voltage power supply assembly and completing the detection of the current measurement values of the two power supply assemblies.
5. The system for testing a high voltage power supply assembly of an avionics device of claim 1, characterized in that: in the cabinet body, a fan is arranged on the back of the signal conditioning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189005.8U CN216900855U (en) | 2021-12-17 | 2021-12-17 | High-voltage power supply assembly test system of avionic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123189005.8U CN216900855U (en) | 2021-12-17 | 2021-12-17 | High-voltage power supply assembly test system of avionic device |
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| Publication Number | Publication Date |
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| CN216900855U true CN216900855U (en) | 2022-07-05 |
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| CN202123189005.8U Active CN216900855U (en) | 2021-12-17 | 2021-12-17 | High-voltage power supply assembly test system of avionic device |
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| CN (1) | CN216900855U (en) |
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2021
- 2021-12-17 CN CN202123189005.8U patent/CN216900855U/en active Active
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