CN210376624U - LH-I type storage battery charging and discharging tester - Google Patents

Abstract

The utility model discloses an LH-I type storage battery charging and discharging tester, relating to the technical field of storage battery charging and discharging; the LCD display module, the key board and the TTL-to-USB module are electrically connected with the main control board through a plug and a wire, the upper computer is electrically connected with the TTL-to-USB module through a USB wire, the commercial power is electrically connected with the alternating current socket, the live wire and the null wire of the alternating current socket are connected with the null wire and the live wire connecting wire of the power switch, the ground wire of the alternating current socket is connected with the ground wire binding post of the switching power supply, the output ends of the null wire and the live wire of the power switch are respectively and electrically connected with the null wire and the live wire binding post of the switching power supply, and; the utility model can effectively maintain the storage battery, prolong the service life of the storage battery; the quick operation is convenient to realize, the stability is high, the time and the cost can be saved, and the use is convenient.

Description

LH-I type storage battery charging and discharging tester

Technical Field

The utility model belongs to the technical field of battery charge-discharge, concretely relates to LH-I type battery charge-discharge tester.

Background

With the rapid development of the technical level of electrical equipment in a railway system, the application of the storage battery is more and more extensive. The number is also becoming increasingly large. The detection and maintenance of the storage battery are more important. The storage battery detector adopts the mature technology in the field of storage battery maintenance and guarantee, combines the situation of railway system application, integrates related functions, is suitable and adequate, and better meets the application requirement.

With the further development of railway industry, more and more new lines are built. The total number of the existing signal machine rooms and the newly-built machine rooms is as high as 400, and important equipment in each machine room is provided with a plurality of UPS (uninterrupted power supply). And totally 15000 storage batteries in the whole section are incompletely counted according to different numbers of storage batteries in different types of UPSs. Due to the particularity of the railway industry, the traveling equipment is in 24-hour uninterrupted operation, and the UPS is only used for emergency power supply under special conditions, so that the safety of the equipment is ensured. Therefore, the storage battery in the UPS is in a charged and fully charged state for a long time, and the performance of the storage battery is reduced accordingly, so that the storage battery cannot be used in an emergency.

Disclosure of Invention

The UPS aims to solve the problems that the performance of a storage battery in the conventional UPS is reduced along with the long-term charging and full-charge state of the storage battery, and the use under emergency conditions cannot be met; an object of the utility model is to provide a LH-I type battery charge-discharge tester.

The utility model discloses a LH-I type battery charge-discharge tester, including LCD display module, keypad, electric quantity display module, main control board, TTL changes USB module, AC socket, switch, switching power supply, change over switch, time delay relay, charging module, charging pilot lamp, charging panel power supply pilot lamp, main control board power supply pilot lamp, switching power supply pilot lamp; the LCD display module, the keypad, the TTL to USB module are electrically connected with the main control board through the plug-in connector and the lead, the upper computer is electrically connected with the TTL to USB module through the USB wire, the commercial power is electrically connected with the AC socket, the live wire and the null wire of the AC socket are connected with the null wire and the live wire connection of the power switch, the ground wire of the AC socket is connected with the ground wire binding post of the switching power supply, the null wire and the live wire output ends of the power switch are respectively electrically connected with the null wire and the live wire binding post of the switching power supply, the switching power supply is electrically connected with the switching power supply indicator, the-V end of the switching power supply is respectively electrically connected with one end of the charging board power supply indicator, one end of the main control board power supply indicator, one end of the plug-in connector of the main control board, the GND end of the charging module, the 6 pins and the 7 pins of the time, the other end of the plug-in connector of the main control board is respectively electrically connected with a pin 1 of the delay relay and the other end of the main control board power supply indicator, a pin 4 of the delay relay is respectively electrically connected with the other end of the charging board power supply indicator and a pin +12V end of the charging module, a pin 7 of the delay relay is electrically connected with a pin 4 of the change-over switch, a pin 5 of the delay relay is electrically connected with a pin 1 of the change-over switch, the charging module is electrically connected with the charging indicator, a pin +13V end of the charging module is respectively electrically connected with a pin 5 of the change-over switch and one end of the electric quantity display module, a GND end of the other end of the charging module is electrically connected with the other end of the electric quantity display module, an A-end of the main control board and a cathode of the storage battery through wires, a V-end, a + end and a + end of the main control, The pin 7 is electrically connected with the positive electrode of the storage battery.

Preferably, the ac socket is an ac socket of an e-mail fuse.

Preferably, the charging module is a three-stage charging module.

Compared with the prior art, the beneficial effects of the utility model are that:

the storage battery can be effectively maintained, the service life of the storage battery can be prolonged, and the service life of the storage battery is prolonged;

secondly, be convenient for realize quick operation, and stability is high, can save time and cost, convenient to use.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the present invention;

fig. 3 is a schematic diagram of a middle charging curve of the present invention.

In the figure: 1-an LCD display module; 2-a keypad; 3-electric quantity display module; 4-a main control board; 5-TTL changes USB module; 6-AC socket; 7-a power switch; 8-a switching power supply; 9-a diverter switch; 10-a time delay relay; 11-a charging module; 12-a charge indicator light; 13-a charge panel power indicator light; 14-main control board power supply indicator light; 15-switching power supply indicator light; 16-an upper computer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1, 2 and 3, the following technical solutions are adopted in the present embodiment: the intelligent control system comprises an LCD display module 1, a key board 2, an electric quantity display module 3, a main control board 4, a TTL-to-USB (transistor-transistor logic) module 5, an alternating current socket 6, a power switch 7, a switching power supply 8, a change-over switch 9, a time delay relay 10, a charging module 11, a charging indicator lamp 12, a charging board power supply indicator lamp 13, a main control board power supply indicator lamp 14 and a switching power supply indicator lamp 15; the LCD display module 1, the keypad 2, the TTL changes the USB module 5 and passes through the connector, the wire is connected with the main control panel 4 electricity, the host computer 16 passes through the USB line and changes the USB module 5 electricity to be connected with TTL, the commercial power is connected with the AC socket 6 electricity, the live wire and the zero line of AC socket 6 are connected with the zero line of switch 7, the live wire junction of switch 7, the ground wire of AC socket 6 is connected with the ground wire terminal of switching power supply 8, the zero line of switch 7, the live wire output end is connected with the zero line of switching power supply 8, the live wire terminal electricity respectively, switching power supply 8 electricity is connected with switching power supply power indicator 15, the-V end of switching power supply 8 passes through the wire and the one end of charging panel power indicator 13, the one end of main control panel power supply indicator 14, the one end of the connector of main control panel 4, the GND end of charging module 11, the 6 feet of time delay relay 10, 7 feet of time delay relay, The 3 pins and the 3 pins of the change-over switch 9 are electrically connected, the other end of the plug-in connector of the main control board 4 is respectively electrically connected with the 1 pin of the time delay relay 10 and the other end of the main control board power supply indicator lamp 14, the 4 pins of the time delay relay 10 are respectively electrically connected with the other end of the charging board power supply indicator lamp 13 and the +12V end of the charging module 11, the 7 pin of the time delay relay 10 is electrically connected with the 4 pin of the change-over switch 9, the 5 pin of the time delay relay 10 is electrically connected with the 1 pin of the change-over switch 9, the charging module 11 is electrically connected with the charging indicator lamp 12, the +13V end of the charging module 11 is respectively electrically connected with the 5 pin of the change-over switch 9 and one end of the electric quantity display module 3, the GND end of the other end of the charging module 11 is electrically connected with the other end of the electric quantity display module, The A + end is respectively and electrically connected with the negative electrode of the storage battery and the pins 8 and 2 of the change-over switch 9, and the pins 6 and 7 of the change-over switch 9 are electrically connected with the positive electrode of the storage battery.

Further, the ac socket 6 is an ac socket of an e-mail fuse.

Further, the charging module 11 is a three-stage charging module.

The tester of the embodiment mainly comprises a three-section charging module, a detection control module, a constant current electronic load and the like. The storage battery to be tested and maintained is manually switched to the corresponding functional module according to the specific application requirement, then the selected functional module is set and operated according to the requirement, and the detection and maintenance of the storage battery can be started after the operation is completed. The charging module indicates the charging state of the battery through an LED indicator lamp; the detection control module realizes a man-machine interaction function through a 1602 dot matrix screen and a small keyboard, adopts a pure digital control mode, can automatically limit current according to the maximum power, prevents over-power burning of a power tube, and provides settings of discharge current, discharge stop voltage, discharge time, a discharge current step value and a buzzer switch so as to realize corresponding operation of the storage battery. The model of the LCD display module 1 is LCD1602, the model of the key board 2 is AJ4, the model of the TTL-to-USB module 5 is CH340, and the model of the power switch 7 is KCD4\6 pin \2 gear; the switching power supply 8 has the following model: LRS-75-12; the type of the change-over switch 9 is: KCD6\9 pin \2 gear; the model of the charging module 11 is: CN 3768.

Battery capacity detection function: the charging and discharging voltage value and the current value can be displayed in real time, the discharged battery capacity value can be read on the computer back-end software, the discharging voltage and the current value sampled in the serial port data can be read, the discharging curve graph of the storage battery is displayed (the storage battery discharges with constant current), and the quality of the storage battery is judged through the discharging curve graph of the storage battery. The realization of each function adopts the modularized design, fully embodies the characteristics of modularization, combinationization and standardization. The tester reduces the intensity and difficulty of operation to the maximum extent possible; effectively controlling the external dimension and the weight of the final product. Finally, modularization, generalization and usability of the tester are realized.

This embodiment carries out the syllogic function of charging to the battery: when the equipment needs to charge the storage battery, the storage battery to be charged is connected in, then the functional switch is switched to the charging mode, then the power line of the tester is connected, then the power switch of the equipment is turned on, and at the moment, the equipment starts to charge the livestock battery in a three-section mode. And the corresponding indicator lamp displays the current charging state in real time. When the indicator light is red, the battery is in a charging state, and when the indicator light is green, the charging is finished. At this time, the power switch of the equipment can be turned off, and the storage battery is taken down to complete the whole charging process. During the power storage process, the charging process can be stopped at any time by turning off the equipment power switch according to the requirement.

This embodiment discharges and implements the monitoring function to the battery: when the equipment needs to discharge and monitor the storage battery, the storage battery to be discharged is connected, then the functional switch is switched to a discharging mode, then the power line of the tester is connected, and then the power switch of the equipment is turned on, and at the moment, the liquid crystal display screen can display the charging and discharging voltage value and the current value in real time and display the discharged battery capacity value, the discharging power, the discharging timing and the temperature of the power tube. The device is provided with a setting function, and can set discharge current, a current stepping value, cut-off voltage, a discharge timer, screen backlight brightness and a buzzer switch;

discharge current: the battery discharges in a constant current mode, the constant current value can be adjusted by pressing an increasing key and a decreasing key, the magnitude of the discharge current is directly related to the length of the discharge time, the larger the set discharge constant current value is, the shorter the discharge time is, and vice versa;

current step value: the minimum regulating unit of the discharge current, press the key of "setting" to regulate the current step value, 1A, 0.1A, 0.01A, the current step value can regulate the precision of the discharge current;

cut-off voltage: a discharge stop voltage that automatically stops discharging when the discharged battery voltage is lower than a cut-off voltage;

a discharge timer: starting discharge to time, and stopping discharge after the set specified time is reached;

screen backlight luminance: the backlight brightness of the screen is set, so that the screen can be used in different light environments;

a buzzer switch: after the discharge is finished, the buzzer can sound to remind the staff that the battery detection is finished.

Recording the discharge curve of the storage battery: the tester records the voltage, current and time information of the storage battery during discharging through the DC _ ELECTRONIC _ V3.0 main board, communicates the main board with the upper computer through an RS-485 USB port, and generates and stores a curve graph through upper computer software. One host computer communicates with a plurality of testers simultaneously, can carry out the record work of a plurality of battery discharge curves simultaneously.

The circuit principle of the embodiment:

firstly, when the storage battery needs to be charged: insert AV220V with power plug, the electric current is through exchanging socket (taking the fuse), open switch, change over switch dials to the shelves that charge, exchange 220V and become DC12V power output through switching power supply, switching power supply indicator lights this moment, the electric current charges for the battery through the module that charges, the charging panel power supply indicator lights this moment, the battery charges the indicator lights when normally charging, the capacity of battery shows through the electric quantity display module.

When the discharge of the storage battery needs to be detected: after the storage battery is fully charged, the detection gear is shifted through the change-over switch, the delay relay performs delay power-off as misoperation prevention at the moment, the main control board supplies power through the switching power supply, the load and the control panel are all arranged on the main control board, the voltage, the current, the time and other settings are displayed through the LCD display module, and the current size, the time and other settings of constant current discharge are operated through the key board.

Thirdly, acquiring and recording curves by an upper computer: the main control board uploads data such as discharge current, voltage and time to an upper computer through a TTL-to-USB module, and upper computer software generates and stores data information such as discharge current, voltage and time into a curve graph through interface data information to serve as an important reference standard of the performance of the storage battery.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (3)

1. An LH-I type storage battery charge and discharge tester is characterized in that: the intelligent charging device comprises an LCD display module, a key board, an electric quantity display module, a main control board, a TTL-to-USB module, an alternating current socket, a power switch, a switching power supply, a change-over switch, a time delay relay, a charging module, a charging indicator lamp, a charging board power supply indicator lamp, a main control board power supply indicator lamp and a switching power supply indicator lamp; the LCD display module, the keypad, the TTL to USB module are electrically connected with the main control board through the plug-in connector and the lead, the upper computer is electrically connected with the TTL to USB module through the USB wire, the commercial power is electrically connected with the AC socket, the live wire and the null wire of the AC socket are connected with the null wire and the live wire connection of the power switch, the ground wire of the AC socket is connected with the ground wire binding post of the switching power supply, the null wire and the live wire output ends of the power switch are respectively electrically connected with the null wire and the live wire binding post of the switching power supply, the switching power supply is electrically connected with the switching power supply indicator, the-V end of the switching power supply is respectively electrically connected with one end of the charging board power supply indicator, one end of the main control board power supply indicator, one end of the plug-in connector of the main control board, the GND end of the charging module, the 6 pins and the 7 pins of the time, the other end of the plug-in connector of the main control board is respectively electrically connected with a pin 1 of the delay relay and the other end of the main control board power supply indicator, a pin 4 of the delay relay is respectively electrically connected with the other end of the charging board power supply indicator and a pin +12V end of the charging module, a pin 7 of the delay relay is electrically connected with a pin 4 of the change-over switch, a pin 5 of the delay relay is electrically connected with a pin 1 of the change-over switch, the charging module is electrically connected with the charging indicator, a pin +13V end of the charging module is respectively electrically connected with a pin 5 of the change-over switch and one end of the electric quantity display module, a GND end of the other end of the charging module is electrically connected with the other end of the electric quantity display module, an A-end of the main control board and a cathode of the storage battery through wires, a V-end, a + end and a + end of the main control, The pin 7 is electrically connected with the positive electrode of the storage battery.

2. The LH-I type storage battery charge and discharge tester as claimed in claim 1, wherein: the alternating current socket is an alternating current socket of an e-mail fuse.

3. The LH-I type storage battery charge and discharge tester as claimed in claim 1, wherein: the charging module is a three-section type charging module.

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