Automatic testing arrangement of large-scale passenger plane lithium cell
Technical Field
The utility model relates to a battery test technical field especially relates to an automatic testing arrangement of large-scale passenger plane lithium cell.
Background
At the present stage, manual testing devices are mostly adopted for testing the airborne lithium batteries of the large passenger aircraft, and due to the fact that the related CMM manual has many functional testing steps, the manual testing devices are applied, so that the testing efficiency is low, operation errors can easily occur, the testing result fails, the testing result needs to be recorded manually, and the workload of maintenance personnel is greatly increased. Therefore, the invention is urgently needed to provide a device capable of realizing automatic test of lithium batteries of large passenger aircraft.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic testing arrangement of large-scale passenger plane lithium cell to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an automatic test device for a lithium battery of a large passenger plane comprises a control device, wherein the control device comprises an industrial personal computer, a data acquisition board card, a switch board, a power supply device and a lithium battery to be tested, the industrial personal computer is connected with the data acquisition board card, and the data acquisition board card is connected with the lithium battery to be tested; the switch board is respectively connected with the industrial personal computer and the lithium battery to be tested; and the power supply device supplies power to the industrial personal computer and the lithium battery to be tested.
Preferably, the automatic power supply device further comprises a voltage reduction and stabilization module, and the power supply device converts the power supply current into direct current required by the equipment to be output for the test device and the tested product to use.
Preferably, the power supply means comprises a programmed power supply or a backup power supply.
Preferably, the data acquisition integrated circuit board includes battery signal acquisition module, power signal acquisition module and ambient temperature collection module, battery signal acquisition module with the J1 interface of the lithium cell that awaits measuring links to each other, power signal acquisition module with the J3 interface of the lithium cell that awaits measuring links to each other, ambient temperature collection module directly with the industrial computer links to each other.
Preferably, the battery signal acquisition module comprises a battery discrete magnitude signal acquisition interface, a battery voltage signal interface, a battery temperature signal interface and a battery current signal acquisition interface.
Preferably, the power signal acquisition module comprises a power voltage signal interface and a power current signal interface, the power voltage signal interface is controlled by a high-power relay to be connected with the J3 interface of the lithium battery to be tested, and the power current signal interface is connected with the J3 interface of the lithium battery to be tested by a hall sensor.
Preferably, a fan, a discharge indicator lamp, a charge indicator lamp and a discharge test high-power load resistor are arranged on a connecting circuit between the lithium battery to be tested and the switch board;
the BMU Activation and On Charging signals of the J1 interface of the lithium battery to be tested are connected with the switch board, and the GND/OPEN signals required by the lithium battery to be tested can be switched and output through the switch board.
Preferably, the automatic testing device further comprises a printer, and the printer is connected with the industrial personal computer.
Preferably, the industrial personal computer is connected with the data acquisition board card and the switch board through RS 485.
Preferably, the automatic test device further comprises a structural part, wherein the structural part mainly provides a support frame for the whole automatic test device, and an interface is arranged on the frame of the test device.
The utility model has the advantages that:
the utility model provides an automatic testing arrangement of large-scale passenger plane lithium cell, this automatic testing arrangement solve traditional manual testing arrangement and appear operational error easily, the big scheduling problem of maintainer work load. The device is matched with automatic test software, so that the operation process is simple, the test of the airborne lithium battery of the large passenger plane can be automatically completed, and the test result can be clearly displayed and automatically stored.
Drawings
Fig. 1 is a schematic block diagram of an automatic testing device for a lithium battery in embodiment 1;
FIG. 2 is a schematic diagram of a front panel structure of the automatic testing apparatus for lithium batteries in embodiment 1;
FIG. 3 is a schematic diagram of a left side plate structure of the automatic testing apparatus for lithium batteries in embodiment 1;
FIG. 4 is a schematic diagram of a right side plate structure of the automatic testing apparatus for lithium batteries in embodiment 1;
fig. 5 is a structural diagram of an automatic test system used in the automatic test device for a lithium battery in embodiment 1;
fig. 6 is a flowchart of an automatic test method used in the automatic test device for a lithium battery in embodiment 1;
the device comprises an embedded industrial personal computer 1, a thermal printer 2, an indicator light/printer paper feeding key 2-1, a printer door opening key 2-2, an error state light 3, a USB interface 4, a charging state light 5, a discharging state light 6, a tester main switch 7, a handle 8, a fan hole 9, a standby battery switch 10, a standby battery charging hole 11, a standby battery power indicator light 12, a program-controlled power input interface 13, a lithium battery J3 connector interface to be tested 14, a lithium battery J1 connector interface to be tested 15, a program-controlled power communication interface 16, an environment temperature sensor 17 and a heat dissipation hole 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Examples
The embodiment provides an automatic testing device for a lithium battery of a large passenger plane, which comprises a control device and a structure part, wherein the structure part provides a supporting frame and a connecting interface for the whole automatic testing device, the appearance structure of the automatic testing device is shown in figures 2-4, the principle of the control device is shown in figure 1, the control device comprises an industrial personal computer, a data acquisition board card, a switch board, a power supply device and a lithium battery to be tested, the industrial personal computer is connected with the data acquisition board card, and the data acquisition board card is connected with the lithium battery to be tested; the switch board is respectively connected with the industrial personal computer and the lithium battery to be tested; and the power supply device supplies power to the industrial personal computer and the lithium battery to be tested.
In this embodiment, the automatic power supply device further includes a voltage reduction and stabilization module, the power supply device converts the power supply current into the direct current required by the equipment for output, and the direct current is used by the testing device and the tested product, and the power supply device includes a programmable power supply or a standby power supply.
In this embodiment the data acquisition integrated circuit board includes battery signal acquisition module, power signal acquisition module and ambient temperature collection module, battery signal acquisition module with the J1 interface of the lithium cell that awaits measuring links to each other, power signal acquisition module with the J3 interface of the lithium cell that awaits measuring links to each other, ambient temperature collection module directly with the industrial computer links to each other.
In this embodiment the battery signal acquisition module includes that battery discrete magnitude signal gathers interface, battery voltage signal interface, battery temperature signal interface and battery current signal acquisition interface, power signal acquisition module includes power voltage signal interface and supply current signal interface, power voltage signal interface through high-power relay control with the J3 interface of lithium cell that awaits measuring links to each other, supply current signal interface pass through hall sensor with the J3 interface of lithium cell that awaits measuring links to each other.
In this embodiment, a connection circuit between the lithium battery to be tested and the switch board is provided with a fan, a discharge indicator lamp, a charge indicator lamp and a discharge test high-power load resistor; the interface BMUAction and Oncharging signals of the lithium battery J1 to be tested are connected with the switch board, and the GND/OPEN signals required by the lithium battery to be tested can be switched and output through the switch board.
The automatic testing device in the embodiment further comprises a printer, wherein the printer is connected with the industrial personal computer and used for printing the testing result and the report. The industrial personal computer is connected with the data acquisition board card and the switch board through RS 485.
Example 2
The present embodiment performs a test using the automatic supply test apparatus of embodiment 1, and includes the following steps:
1. and (6) self-checking the equipment. Inputting 220V power supply connected with the programmable power supply to the programmable power supply, and introducing 220V/50Hz commercial power to the programmable power supply; or the battery backup switch should be turned on first in an onboard test that does not use a programmed power supply.
2. And (5) connecting products. Connecting the onboard lithium battery testing equipment with the tested lithium battery by a connector interface of a side panel of the onboard lithium battery testing equipment and adopting a matching cable;
3. and selecting matched test software. The method comprises the steps of turning on a main switch of a front panel of airborne lithium battery testing equipment, turning on upper computer running software after the equipment is powered on, inputting a user name and a password of a login interface, enabling a system to automatically enter a power-on self-checking interface, enabling the system to carry out communication self-checking on an instrument board of the whole testing device, directly entering a function testing interface if the self-checking passes, prompting to check the circuit connection of the instrument board if the self-checking does not pass, and carrying out self-checking again.
4. And (4) functional testing. After entering the automatic test interface, the maintenance personnel can selectively perform function test according to the text prompt of the interface, after each step of test is completed, the system can display that the corresponding test step is completed in the information display frame, and the test result can be automatically stored.
5. And printing the result. After the test is finished, the onboard lithium battery test equipment can automatically print a test result report through a thermal printer arranged on the front panel.
It is worth noting that the adopted supporting software comprises 5 parts of test program operation, data management, user management, system maintenance and help. The data management and help module has independent functions, simple logic relation and convenient realization. The data management module calls the database operation component and the data export component to realize functions of data query and the like, and the help module provides help information in a document form for a user. The specific composition is shown in fig. 5, and the operation process is shown in fig. 6.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides an automatic testing arrangement of large-scale passenger plane lithium cell, this automatic testing arrangement solve traditional manual testing arrangement and appear operational error easily, the big scheduling problem of maintainer work load. The device is matched with automatic test software, so that the operation process is simple, the test of the airborne lithium battery of the large passenger plane can be automatically completed, and the test result can be clearly displayed and automatically stored.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.