CN209215495U - Aircraft battery charging current limiter device automatic testing stand - Google Patents
Aircraft battery charging current limiter device automatic testing stand Download PDFInfo
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- CN209215495U CN209215495U CN201821848525.0U CN201821848525U CN209215495U CN 209215495 U CN209215495 U CN 209215495U CN 201821848525 U CN201821848525 U CN 201821848525U CN 209215495 U CN209215495 U CN 209215495U
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- control unit
- signal
- battery charging
- current limiter
- charging current
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Abstract
The utility model provides a kind of aircraft battery charging current limiter device automatic testing stand, its integrated circuit board includes RS485 signal processing unit, STM32 control unit, relay control unit, load control unit and program-controlled measuring unit, RS485 signal processing unit receives the RS485 signal data that host computer is sent, and change into TTL signal data, the TTL signal received is resolved to address signal and control signal by STM32 control unit, relay control unit based on the received address signal and control signal output relay driving signal, load control unit realizes the change of the on-off and payload size of battery charging current limiter device pin according to the relay drive signal received, the voltage of program-controlled measuring unit measurement battery charging current limiter device output, resistance, frequency values.The aircraft battery charging current limiter device automatic testing stand shortens test, troubleshooting period, reduces and tests skill requirement to worker.
Description
Technical field
The utility model relates to test device technical fields, and it is automatic to especially relate to a kind of aircraft battery charging current limiter device
Testboard.
Background technique
Battery charging current limiter device (BCL) is the component that circuit is more complex in air electronics, be related to aircraft battery charging,
The component of discharge control system, test method are tested by manually line, test method complexity, low efficiency,
How automatically, fast and efficiently period is long, realize that the test job of the component be a urgent need to solve the problem.Thus I
Invented a kind of new aircraft battery charging current limiter device automatic testing stand, solve the above technical problem.
Summary of the invention
It is completely full the purpose of the utility model is to provide a kind of various functions test for being automatically performed battery charging current limiter device
The aircraft battery charging current limiter device automatic testing stand of sufficient unit under test test and troubleshooting demand.
The purpose of this utility model can be achieved by the following technical measures: aircraft battery charging current limiter device is tested automatically
Platform, the aircraft battery charging current limiter device automatic testing stand include test cabinet, are provided with integrated circuit board in the test cabinet, should
Integrated circuit board includes RS485 signal processing unit, STM32 control unit, relay control unit, load control unit and journey
Measuring unit is controlled, which connects the STM32 control unit, receives the RS485 signal number that host computer is sent
According to, and RS485 signal data is changed into TTL signal data and is transferred to the STM32 control unit, STM32 control unit connection
The TTL signal data received are resolved to address signal and control signal, and are transferred to the relay by the relay control unit
Device control unit, the relay control unit connect the load control unit, and address signal and control signal are defeated based on the received
Relay drive signal gives the load control unit out, which connects the program-controlled measuring unit, according to receiving
Relay drive signal control battery charging current limiter device pin on-off and payload size change, which connects
It is connected to the load control unit, voltage, the resistance, frequency values of measurement battery charging current limiter device output.
The purpose of this utility model can be also achieved by the following technical measures:
The RS485 signal processing unit uses RSM3485CHT chip；The STM32 control unit uses chip
STM32F103ZET6 specifies pin to export low and high level according to address signal and control signal in STM32F103ZET6 chip.
The relay control unit uses chip MC1413, each pin and the chip of chip MC1413
STM32F103ZET6 specified pin is connected, and receives low and high level, and low and high level output relay driving letter based on the received
Number.
The load control unit uses TX2SA type relay, which uses HP34401A multimeter.
The testboard tests cabinet using standard 4U.
The 4U test machine case includes front panel and rear panel, the front panel by test splice region, power supply control area and
Tested component join domain forms, and is provided with unit under test signal output in the test splice region, the power supply control zone
It is provided with 28V dc switch, 220V alternating-current switch in domain, is provided with a 60 core aviations in the tested component join domain and inserts
Head；The rear panel is made of RS485 jack and power supply area, be provided in the power supply area external 220V AC power interface and
28V dc power interface.
Aircraft battery charging current limiter device automatic testing stand in the utility model can be required fully according to handbook to aircraft electricity
Pond charging current limiter device is tested, and the test of battery charging current limiter device and troubleshooting demand are fully met.The utility model will be using void
Quasi- instrumentation techniques, automatic control technology shorten using the relay matrix of STM32 programmable chip control as hardware platform
Test, troubleshooting period reduce and test skill requirement to worker.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the aircraft battery charging current limiter device automatic testing stand of the utility model；
Fig. 2 is the structure chart of front panel in a specific embodiment of the utility model；
Fig. 3 is the structure chart of rear panel in a specific embodiment of the utility model.
Specific embodiment
To enable the above and other objects, features and advantages of the utility model to be clearer and more comprehensible, it is cited below particularly out preferably
Example, and cooperate shown in attached drawing, it is described in detail below.
As shown in FIG. 1, FIG. 1 is the structure charts of the aircraft battery charging current limiter device automatic testing stand of the utility model.
The aircraft battery charging current limiter device automatic testing stand includes test cabinet, is provided with integrated circuit in the test cabinet
Plate, the integrated circuit board include RS485 signal processing unit 21, which connects STM32 control unit
22, which connects relay control unit 23, which connects load control unit
24, which connects program-controlled measuring unit 25, which connects aircraft battery charging limit by adapter assembly
Flow device.
The RS485 signal processing unit 21 uses RSM3485CHT chip, the RS485 interface 10 with test cabinet rear panel
It is connected, for receiving the RS485 signal data of host computer transmission, RS485 signal data changes into TTL by RSM3485CHT chip
Signal data；The STM32 control unit 22 uses STM32F103ZET6 chip, and STM32 chip receives TTL signal data, leads to
It crosses STM32 control unit and TTL signal is resolved to address signal and control signal, existed according to address signal and control signal
STM32F103ZET6 chip specifies pin to export low and high level；The relay control unit 23 uses chip MC1413, relay
Control unit with the STM32 pin specified per being all connected all the way, and for receiving low and high level, relay control unit is according to reception
Low and high level output relay driving signal；The load control unit 24 uses TX2SA type relay, according to the letter received
Number realize battery charging current limiter device pin on-off and payload size change；The program-controlled measuring unit 25, for measuring battery
Voltage, the resistance, frequency values of charging current limiter device output.
The testboard tests cabinet using standard 4U.
Such as Fig. 2, shown in Fig. 3, which includes front panel 1 and rear panel 2, the front panel by test splice region 6,
Power supply control area 4 and tested component join domain composition.It is connected in the test splice region 6 with circuit board, external general-purpose
Table, ARINC429 data sink, for measuring battery charging current limiter device output information.It is provided in the power supply control area 4
28V dc switch 3,220V alternating-current switch 5,28V dc switch 3 are connected with rear panel 28V dc power interface 9, another termination
Onto circuit board, for the offer working power to circuit board；220V alternating-current switch 5 and rear panel 220V AC power interface 8
It is connected, the other end is connected with Switching Power Supply, for 220V alternating current to be changed into ± 15V DC power supply and 36V DC power supply, provides
Power supply needed for testing.A 60 core aviation plugs 7 are provided in the tested component join domain, one end is connected with circuit board,
The other end is connected with tested component.The rear panel is made of RS485 jack 10 and power supply area, is provided in the power supply area
External 28V dc power interface 9 and 220V AC power interface 8.
Testboard working principle: computer is connect by RS485 interface with testboard, and controls whole test process, is surveyed
Test stand controls the movement of relay, completes the need of tested unit test by chip STM32F103ZET6 output control signal
It asks.Detailed process is as follows: chip RSM3485CHT will be converted into TTL signal data from computer RS485 signal data, pass through
TTL signal is parsed into address signal and control signal by STM32 chip, and address signal and control signal will represent relay respectively
Number and control relay action signal, STM32 chip conciliate the address signal of parsing and control signal by error checking
Control signal is ultimately converted to after code, control signal is exported to chip MC1413, and MC1413 chip output and load control are single
Member connection, drives the actuating of relay, changes the on-off and payload size of battery charging current limiter device pin, measures electricity by multimeter
Pressure, resistance, frequency values.
Test software writes program using LABWINDOWS/CVI, using intuitive human-computer interaction interface, makes unit test
Process and software interface state synchronized, test method, which is greatly reduced, tests skill requirement to worker, so that testing efficiency is more
It is high.
Claims (6)
1. aircraft battery charging current limiter device automatic testing stand, which is characterized in that the aircraft battery charging current limiter device automatic testing stand
Including test cabinet, it is provided with integrated circuit board in the test cabinet, which includes RS485 signal processing unit,
STM32 control unit, relay control unit, load control unit and program-controlled measuring unit, the RS485 signal processing unit connect
The STM32 control unit is connect, receives the RS485 signal data that host computer is sent, and RS485 signal data is changed into TTL signal
Data are transferred to the STM32 control unit, which connects the relay control unit, and the TTL received is believed
Number resolves to address signal and control signal, and is transferred to the relay control unit, relay control unit connection
The load control unit, address signal and control signal output relay driving signal control single to the load based on the received
Member, the load control unit connect the program-controlled measuring unit, according to the relay drive signal control battery charging limit received
The change of the on-off and payload size of device pin is flowed, which is connected to the load control unit, and measurement battery fills
Voltage, the resistance, frequency values of electric current limiter output.
2. aircraft battery charging current limiter device automatic testing stand according to claim 1, which is characterized in that the RS485 signal
Processing unit uses RSM3485CHT chip；The STM32 control unit uses chip STM32F103ZET6, according to address signal
Pin is specified to export low and high level in STM32F103ZET6 chip with control signal.
3. aircraft battery charging current limiter device automatic testing stand according to claim 2, which is characterized in that relay control
Unit uses chip MC1413, and each pin of chip MC1413 is connected with the chip STM32F103ZET6 pin specified,
Receive low and high level, and low and high level output relay driving signal based on the received.
4. aircraft battery charging current limiter device automatic testing stand according to claim 1, which is characterized in that load control is single
Member uses TX2SA type relay, which uses HP34401A multimeter.
5. aircraft battery charging current limiter device automatic testing stand according to claim 1, which is characterized in that the testboard uses
Standard 4U tests cabinet.
6. aircraft battery charging current limiter device automatic testing stand according to claim 5, which is characterized in that the 4U tests cabinet
Including front panel and rear panel, the front panel is by test splice region, power supply control area and tested component join domain group
At being provided with unit under test signal output in the test splice region, be provided with 28V direct current in the power supply control area and open
It closes, 220V alternating-current switch, is provided with a 60 core aviation plugs in the tested component join domain；The rear panel is by RS485
Jack and power supply area form, and are provided with external 220V AC power interface and 28V dc power interface in the power supply area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848525.0U CN209215495U (en) | 2018-11-12 | 2018-11-12 | Aircraft battery charging current limiter device automatic testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848525.0U CN209215495U (en) | 2018-11-12 | 2018-11-12 | Aircraft battery charging current limiter device automatic testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215495U true CN209215495U (en) | 2019-08-06 |
Family
ID=67458909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821848525.0U Active CN209215495U (en) | 2018-11-12 | 2018-11-12 | Aircraft battery charging current limiter device automatic testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209215495U (en) |
-
2018
- 2018-11-12 CN CN201821848525.0U patent/CN209215495U/en active Active
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