Intelligent charging and discharging machine for airplane storage battery

Abstract

The utility model relates to the technical field of airplane storage battery detection, and particularly discloses an intelligent charging and discharging machine for an airplane storage battery. The intelligent charging and discharging machine comprises a main control circuit, and a voltage detection module, a discharging module, a charging module and a wireless communication module which are respectively connected with the main control circuit. And the discharging module is mainly used for discharging the whole storage battery in different modes and can also independently discharge each unit battery of the storage battery, so that the unit battery with poor performance can be conveniently treated. The charging module is mainly used for controlling the storage battery to be charged according to different modes. The voltage detection module is mainly used for inspecting the voltage of each unit battery of the storage battery, collecting dynamic data in real time and transmitting the dynamic data to the main control circuit. And the main control circuit is mainly used for analyzing acquired data and the like. And the master control circuit can also send the analyzed data to terminal equipment such as a mobile phone through the wireless communication module, so that the state of the storage battery of the airplane is isolated and monitored, and a control instruction is sent at a terminal.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aircraft battery detection, and more particularly to an intelligent aircraft battery charging and discharging machine. BACKGROUND

[0002] Aircraft batteries are widely used in various types of aircraft engines for starting and emergency power supply. Aircraft batteries are in a long-term shallow charging and discharging cycle, which can cause memory effect, resulting in insufficient charging or reduced discharging capacity, and thus greatly affecting the performance of the battery. Therefore, the performance of the battery needs to be detected regularly, and orderly deep discharging and charging are required to ensure that the performance of the battery remains in the best state.

[0003] An aircraft battery is generally composed of multiple unit batteries. The current testing equipment adopts a system integration method to collect data and control battery charging and discharging. The voltage of each unit battery of the battery needs to be monitored in real time on site, and there is a lack of function of transmitting testing data to a terminal for reading on the terminal. CONTENT OF THE UTILITY MODEL

[0004] In view of the lack of function of transmitting testing data to a terminal for the equipment testing the performance of an aircraft battery, and in view of the fact that harmful gases are generated during the charging and discharging process of the battery, real-time monitoring of the voltage of each unit battery of the battery on site can cause harm to the human body. Therefore, the present application proposes an intelligent aircraft battery charging and discharging machine, which achieves the effects of convenience and safety through isolation monitoring.

[0005] An intelligent aircraft battery charging and discharging machine, which comprises a main control circuit, and a voltage detection module, a discharging module, a charging module and a wireless communication module connected to the main control circuit respectively. The voltage detection module, the discharging module and the charging module all have interfaces capable of connecting to an aircraft battery.

[0006] By adopting the above technical solution, the discharging module mainly controls discharging of the entire battery in different modes, and can also discharge each unit battery of the battery individually, facilitating processing of unit batteries with poor performance. The main function of the charging module is to control charging of the battery in different modes (constant voltage, constant current, etc.). The voltage detection module mainly inspects the voltage of each unit battery of the battery, collects dynamic data in real time, and transmits the data to the main control circuit. The main control circuit mainly analyzes the collected data. The main control circuit can also send the analyzed data to a terminal device such as a mobile phone through the wireless communication module. The mobile phone can send operation instructions to the main control circuit through the wireless communication module to perform relevant operations. Thus, the intelligent aircraft battery charging and discharging machine can isolate and monitor the state of the aircraft battery and send control instructions on the terminal to control the charging and discharging operations, avoiding harm to the human body caused by harmful gases generated during charging and discharging operations in the on-site air environment.

[0007] An optional structure of the aircraft battery intelligent charging and discharging machine is that the voltage detection module comprises a plurality of voltage dividing resistors and a plurality of V / f converters, and further comprises an opto-isolator and an analog switch; the number of the voltage dividing resistors is the same as the number of the unit cells of the aircraft battery; the plurality of V / f converters are connected with the plurality of voltage dividing resistors one by one; each V / f converter is connected to the opto-isolator, and the opto-isolator is connected to the analog switch; and the analog switch is connected to the main control circuit.

[0008] By using the above technical scheme, the voltage detection module collects the voltage information of the aircraft battery by using the V / f conversion method to sample the plurality of unit cells of the aircraft battery respectively. Specifically, the terminal voltage of the unit cell is taken as the input of the V / f conversion after being divided (to reduce power consumption), and the dispersion of the voltage dividing resistor can be adjusted by the V / f conversion circuit. The V / f conversion signal output is sent to the analog switch through the opto-isolator, the main control circuit receives the frequency signal by controlling the analog switch and completes the analysis of the collected data, and sends a control instruction. In this scheme, the data acquisition circuit and the main control circuit use the opto-isolator technology to realize the electrical isolation between the two, thereby improving the safety.

[0009] An optional structure of the aircraft battery intelligent charging and discharging machine is that the discharging module has a plurality of connection terminals capable of being electrically connected with the plurality of unit cells of the aircraft battery one by one.

[0010] By using the above technical scheme, the discharging module can be electrically connected with the plurality of unit cells of the aircraft battery one by one, so that each unit cell can be tested for discharging.

[0011] An optional structure of the aircraft battery intelligent charging and discharging machine is that the charging module has a plurality of connection terminals capable of being electrically connected with the plurality of unit cells of the aircraft battery one by one.

[0012] By using the above technical scheme, the charging module can be electrically connected with the plurality of unit cells of the aircraft battery one by one, so that each unit cell can be tested for charging.

[0013] An optional structure of the aircraft battery intelligent charging and discharging machine is that the wireless communication module comprises one or more of a WIFI module, a Bluetooth module and a GPRS network data module.

[0014] By using the above technical scheme, the WIFI module, the Bluetooth module and the GPRS network data module can all realize communication with a terminal such as a mobile phone to display the real-time voltage and other information of each unit cell of the battery to the terminal, and can input instructions from the terminal to be recognized by the main control circuit and to perform related actions.

[0015] An optional structure of the aircraft battery intelligent charging and discharging machine is that the main control circuit and the voltage detection module, the discharging module, the charging module and the wireless communication module are in communication connection through an RS-485 interface.

[0016] By adopting the above technical scheme, the RS-485 communication mode is strong in anti-interference and fast in data transmission speed, and meets the demand of the structure for multipoint information receiving and sending.

[0017] An optional structure of the aircraft battery intelligent charging and discharging machine is that the intelligent charging and discharging machine further comprises a display module, an alarm module and a key input module; the display module, the alarm module and the key input module are connected to the main control circuit.

[0018] By adopting the above technical scheme, the main control circuit analyzes the voltage information of each battery received, displays through the display module, judges the voltage of each battery, and alarms through the alarm module when the voltage exceeds the set warning line, and the charging and discharging parameters and process can be controlled through the key input module.

[0019] An optional structure of the aircraft battery intelligent charging and discharging machine is that the display module, the alarm module, the key input module and the main control circuit are in communication connection through an RS-485 interface.

[0020] By adopting the above technical scheme, the RS-485 communication mode is strong in anti-interference and fast in data transmission speed, and meets the demand of the structure for multipoint information receiving and sending.

[0021] In summary, the aircraft battery intelligent charging and discharging machine has the following beneficial effects:

[0022] The battery performance test bench improves the efficiency of battery maintenance, and achieves the purposes of convenient operation and safety through remote control.

[0023] The intelligent charging and discharging machine adopts a system integration design method, realizes separate detection and performance analysis of each aircraft battery unit, and adopts WIFI, Bluetooth and GPRS network data for remote data transmission and control. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a functional module connection diagram of the aircraft battery intelligent charging and discharging machine.

[0025] Figure 2 It is a composition diagram of the voltage detection module in the aircraft battery intelligent charging and discharging machine.

[0026] Figures: master control circuit 1, voltage detection module 2, discharge module 3, charging module 4, wireless communication module 5, voltage dividing resistor 21, V / f converter 22, opto-isolator 23, analog switch 24, display module 6, alarm module 7, key input module 8. DETAILED DESCRIPTION

[0027] The implementation of the aircraft battery intelligent charging and discharging machine is specifically described below in combination with the accompanying drawings.

[0028] Reference Figure 1 The aircraft battery intelligent charging and discharging machine is used for charging and discharging the aircraft battery and monitoring the voltage and the like of each unit cell of the aircraft battery, adopts a wireless communication module 5 such as WIFI, Bluetooth, and mobile network data for remote data transmission and control, and can avoid the harm of harmful gases generated by on-site charging and discharging tests to people.

[0029] The intelligent charging and discharging machine comprises a master control circuit 1, and a voltage detection module 2, a discharge module 3, a charging module 4, and a wireless communication module 5 connected to the master control circuit 1 respectively. The voltage detection module 2, the discharge module 3, and the charging module 4 all have interfaces capable of connecting the aircraft battery.

[0030] In the aircraft battery intelligent charging and discharging machine: the discharge module 3 mainly controls the discharge of the entire battery in different modes and can also discharge each unit cell of the battery separately, facilitating the processing of unit cells with poor performance. The main function of the charging module 4 is to control the charging of the battery according to different modes (constant voltage, constant current, and combined mode). The voltage detection module 2 mainly inspects the voltage of each unit cell of the battery, collects dynamic data in real time, and transmits them to the master control circuit 1. The master control circuit 1 mainly completes the analysis of the collected data. The master control circuit 1 can also send the analyzed data to a terminal device such as a mobile phone through the wireless communication module 5. The mobile phone can send operation instructions to the master control circuit 1 through the wireless communication module 5 to perform relevant operations, so that the aircraft battery intelligent charging and discharging machine can isolate the state of the aircraft battery and send control instructions from the terminal to control the charging and discharging operations, avoiding the harm of harmful gases generated by on-site charging and discharging operations to the human body.

[0031] Reference Figure 2The voltage detection module 2 includes a plurality of voltage dividing resistors 21 and a plurality of V / f converters 22, and further includes an opto-isolator 23 and an analog switch 24; the number of the voltage dividing resistors 21 is the same as the number of unit cells of the aircraft battery; the plurality of V / f converters 22 are connected to the plurality of voltage dividing resistors 21 one by one; each V / f converter 22 is connected to the opto-isolator 23, and the opto-isolator 23 is connected to the analog switch 24; and the analog switch 24 is connected to the main control circuit 1.

[0032] The voltage detection module 2 collects the voltage information of the aircraft battery by using the V / f conversion method to sample the plurality of unit cells of the aircraft battery respectively. Specifically, the terminal voltage of the unit cell is taken as the input of the V / f conversion after being divided (to reduce power consumption), and the dispersion of the voltage dividing resistor 21 can be adjusted by the V / f conversion circuit. The V / f conversion signal output is sent to the analog switch 24 through the opto-isolator 23, and the main control circuit 1 receives the frequency signal by controlling the analog switch 24 and completes the analysis of the collected data and issues a control instruction. In the scheme, the data acquisition circuit and the main control circuit 1 use the opto-isolator technology to realize the electrical isolation between the two, thereby improving the safety.

[0033] The discharge module 3 has a plurality of connection terminals capable of being electrically connected to the plurality of unit cells of the aircraft battery, so that the discharge module 3 can be electrically connected to the plurality of unit cells of the aircraft battery, and each unit cell can be discharged for testing.

[0034] The electronic load of the discharge module 3 uses inverter technology to convert direct current into 220V alternating current, which is then released to the power grid, and the power of the electronic load can be determined by setting the current value. The load power of the electronic load is adjustable between 60W and 300W.

[0035] The charging module 4 has a plurality of connection terminals capable of being electrically connected to the plurality of unit cells of the aircraft battery, so that the charging module 4 can be electrically connected to the plurality of unit cells of the aircraft battery, and each unit cell can be charged for testing.

[0036] The wireless communication module 5 includes one or more of a WIFI module, a Bluetooth module and a GPRS network data module. Any one of the WIFI module, the Bluetooth module and the GPRS network data module can realize communication with a terminal such as a mobile phone to display the real-time voltage and other information of each unit cell of the battery to the terminal, and can input instructions from the terminal to be recognized by the main control circuit 1 and to perform related actions.

[0037] When the intelligent aircraft battery charging and discharging machine is used, voltage display, voltage alarm, input control and other functions can be added, so the intelligent charging and discharging machine also comprises a display module 6, an alarm module 7 and a key input module 8.

[0038] The display module 6, the alarm module 7, the key input module 8, the voltage detection module 2, the discharging module 3, the charging module 4, the wireless communication module 5 and the main control circuit 1 can be connected through RS-485 interface. The RS-485 communication mode has strong anti-interference and fast data transmission speed, and meets the demand of the structure for multi-point information receiving and sending. The main control circuit 1 analyzes the voltage information of each battery received, and displays the information through the display module 6. The main control module also judges the voltage of each battery, and alarms through the alarm module 7 when the voltage exceeds the set warning line. The charging and discharging parameters and process can also be controlled through the key input module 8.

[0039] The intelligent aircraft battery charging and discharging machine is provided with the wireless communication module 5, so that the charging and discharging process does not need to be monitored in real time on site, the harmful gas generated in the charging and discharging process is isolated from the human body, remote monitoring and control functions are realized, and the work convenience and personnel safety are improved.

[0040] The above are only some embodiments of the application, and the protection scope of the application is not limited to the above embodiments. For ordinary skilled in the art, some improvements and decorations without departing from the creative design of the application should also fall within the protection scope of the application.

Claims

1. An intelligent aircraft battery charging and discharging machine, characterized in that, The intelligent charge-discharge machine comprises a main control circuit, and a voltage detection module, a discharge module, a charge module and a wireless communication module connected to the main control circuit respectively; the voltage detection module, the discharge module and the charge module all have interfaces capable of connecting to the aircraft battery.

2. The intelligent battery charger-discharger for airplane as claimed in claim 1, wherein, The voltage detection module comprises a plurality of voltage dividing resistors and a plurality of V / f converters, and further comprises an opto-isolator and an analog switch; the number of the voltage dividing resistors is the same as the number of unit cells of the aircraft battery; the plurality of V / f converters are connected to the plurality of voltage dividing resistors one by one; each V / f converter is connected to the opto-isolator, and the opto-isolator is connected to the analog switch; the analog switch is connected to the main control circuit.

3. The aircraft battery intelligent charge-discharge machine according to claim 1 or 2, characterized in that, The discharge module has a plurality of terminals capable of being electrically connected to the unit cells of the aircraft battery one by one.

4. The aircraft battery intelligent charge-discharge machine according to claim 1 or 2, characterized in that, The charge module has a plurality of terminals capable of being electrically connected to the unit cells of the aircraft battery one by one.

5. The intelligent battery charger-discharger for airplane as claimed in claim 1, wherein, The wireless communication module comprises one or more of a WIFI module, a Bluetooth module and a GPRS network data module.

6. The intelligent battery charger-discharger for airplane as claimed in claim 1, wherein, The main control circuit and the voltage detection module, the discharge module, the charge module and the wireless communication module are connected through an RS-485 interface.

7. The aircraft battery intelligent charge-discharge machine according to claim 1 or 6, characterized in that, The intelligent charge-discharge machine further comprises a display module, an alarm module and a key input module; the display module, the alarm module and the key input module are connected to the main control circuit.

8. The intelligent battery charger-discharger for airplane as claimed in claim 7, wherein, The display module, the alarm module, the key input module and the main control circuit are connected through an RS-485 interface.

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