CN214280967U - Lead-acid battery charging device - Google Patents
Lead-acid battery charging device Download PDFInfo
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- CN214280967U CN214280967U CN202023103001.9U CN202023103001U CN214280967U CN 214280967 U CN214280967 U CN 214280967U CN 202023103001 U CN202023103001 U CN 202023103001U CN 214280967 U CN214280967 U CN 214280967U
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- 238000007600 charging Methods 0.000 title claims abstract description 139
- 239000002253 acid Substances 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 7
- 230000006855 networking Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000010277 constant-current charging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
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Abstract
The utility model relates to a lead acid battery charging device, including the charge management module, MCU control module, display module, charge module and battery detection module, the charge management module is connected with the module of charging, the charge management module is used for controlling the break-make of the module of charging, the module of charging is direct to be connected with the battery, battery detection module is connected with battery and MCU control module respectively, a voltage and the temperature for gathering the battery, and send for MCU control module, MCU control module still is connected with charge management module and display module respectively, MCU control module gathers the charge voltage of the module of charging, according to the charge voltage, the charge state of battery is judged to the voltage and the temperature of battery, with whether charge and show the electric state to the battery with the control. The utility model discloses can realize effectively that the management of charging storage battery prevents to overshoot to can in time report the fault condition of battery and realize the network deployment of many chargers.
Description
Technical Field
The utility model relates to a battery charging device technical field, concretely relates to lead acid battery charging device.
Background
In the field of fire-fighting broadcast systems and the like, lead-acid batteries are often used as a charging power source to supply power to the fire-fighting broadcast system. Although the conventional lead-acid battery is applied in many occasions, most of the conventional lead-acid battery lacks effective management on the battery, cannot monitor the charging state in real time, lacks overvoltage and overtemperature detection and has overcharge danger. In addition, the common lead-acid battery charging device does not have a state reporting function, so that a plurality of charging devices cannot be networked for centralized management and remote configuration. Therefore, a need exists for a lead-acid battery charging device that can efficiently manage and report the status of the battery.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims at providing a lead acid battery charging device, its problem that can solve battery charging.
Realize the technical scheme of the purpose of the utility model is that: a lead-acid battery charging device comprises a charging management module, an MCU control module, a display module, a charging module and a storage battery detection module, wherein the charging management module is connected with the charging module and used for controlling the on-off of the charging module, the charging module is directly connected with a storage battery and used for charging the storage battery,
the storage battery detection module is respectively connected with the storage battery and the MCU control module, the storage battery detection module is used for collecting the voltage and the temperature of the storage battery and sending the collected voltage and temperature to the MCU control module,
the MCU control module is also respectively connected with the charging management module and the display module, collects the charging voltage of the charging module, judges the charging state of the storage battery according to the charging voltage, the voltage and the temperature of the storage battery, controls whether to charge the storage battery according to the judgment result of the charging state of the storage battery, and drives the display module to display the charging state of the storage battery in real time.
Furthermore, a dial switch is arranged in the MCU control module and used for editing the address of the charging device so as to realize networking of a plurality of charging devices.
Furthermore, the charging management module comprises a charging management chip U1, a pin MOD of the charging management chip U1 is connected in series with a resistor R27 and then is connected with a base of a transistor Q7 of the charging module, the pin MOD is used for generating a PWM switching signal, the PWM switching signal is used for controlling whether the charging module charges the storage battery or not,
the collector of the triode Q7 is connected with the resistor R25 in series and then is respectively connected with the bases of the triodes Q4 and Q8, and the emitters of the triodes Q4 and Q8 are connected with the resistor R26 in series and then are respectively connected with the bases of the triodes Q5 and Q9.
Further, the MCU control module comprises a control chip U2, a pin PD14 of the control chip U2 is connected with the base electrode of the triode after being sequentially connected with resistors R19 and R23 in series, and a pin PD14 is used for outputting 0 and 1 levels so as to respectively close the power supply of the storage battery and start the charging of the storage battery.
Further, the display module displays the working state of the storage battery comprising the charging device in the form of an LED, wherein the working state of the storage battery comprises a storage battery connection state, a charging state, a storage battery output end voltage overhigh state, a storage battery output end voltage overlow state and the total working state of the charger.
Furthermore, the storage battery detection module comprises a temperature probe and a storage battery voltage acquisition input interface, and the temperature probe is installed on the storage battery.
The utility model has the advantages that: the utility model discloses can realize effectively that the management of charging storage battery prevents to overshoot to can in time report the fault condition of battery and realize the network deployment of many chargers.
Drawings
FIG. 1 is a circuit diagram of an MCU control module;
FIG. 2 is a first portion of a battery detection module;
FIG. 3 is a circuit diagram of a charging module;
FIG. 4 is a circuit diagram of a charge management module;
FIG. 5 is a circuit diagram of a display module;
fig. 6 is a schematic structural diagram of the charging device.
Detailed Description
The invention will be further described with reference to the drawings and the embodiments.
As shown in fig. 1-6, a lead-acid battery charging device includes a charging management module, an MCU control module, a display module, a charging module, and a battery detection module. The charging management module is connected with the charging module, and the charging management module is used for controlling the on-off of the charging module, namely controlling the on-off of the charging module, which is equivalent to the function of acting as a switch, thereby realizing the charging control. The charging module is directly connected with the storage battery and used for charging the storage battery. The storage battery detection module is respectively connected with the storage battery and the MCU control module, and the storage battery detection module is used for collecting the voltage and the temperature of the storage battery and sending the collected voltage and temperature to the MCU control module. The MCU control module is also respectively connected with the charging management module and the display module, collects the charging voltage of the charging module, judges the charging state of the storage battery according to the charging voltage, the voltage and the temperature of the storage battery, controls whether to charge the storage battery according to the judgment result of the charging state of the storage battery, and drives the display module to display the charging state of the storage battery in real time. And a dial switch is arranged in the MCU control module and used for editing the address of the charging device, so that networking use of a plurality of charging devices is realized.
The charging management module comprises a charging management chip U1, the charging management chip U1 can adopt a universal battery charging management chip, for example, a TI series charging management chip, and the charging management module controls the on-off of a charging switch through the chip so as to realize charging management and send the acquired charging state to the MCU control module. The pin MOD of the charging management chip U1 is connected in series with the resistor R27 and then connected to the base of the transistor Q7 of the charging module. Pin MOD produces a PWM switching signal, and when the PWM switching signal is high level, triode Q7 switches on, and then makes triode Q4 of the module of charging switch on, triode Q5 switches on, triode Q8 cuts off and triode Q9 cuts off, finally makes triode Q3 turn off to make the module of charging stop to the battery charging. The collector of the triode Q7 is connected with the resistor R25 in series and then is respectively connected with the bases of the triodes Q4 and Q8, and the emitters of the triodes Q4 and Q8 are connected with the resistor R26 in series and then are respectively connected with the bases of the triodes Q5 and Q9. Conversely, when the PWM switching signal is at a low level, the transistor Q3 is turned on, so that the charging module charges the battery.
In addition, the charging module is also controlled by the MCU control module to switch on and off the charging of the storage battery. The MCU control module comprises a control chip U2, the control chip U2 can use an STM32 series single chip microcomputer, and a pin PD14 of the control chip U2 is connected with the base electrode of the triode after being sequentially connected with resistors R19 and R23 in series. When the MCU control module detects that the storage battery has a fault, the pin PD14 of the control chip U2 outputs a 0 level (namely, a level signal is not output), so that the triode Q6 is cut off, the triode Q2 is cut off, and the power supply of the storage battery is cut off. When the storage battery is detected to be normal and free of faults, the pin PD14 of the control chip U2 outputs 1 level (namely, outputs a level signal), so that the triodes Q6 and Q2 are both conducted, and the charging of the storage battery is started.
The FLOAT pin (i.e. 2 pin) and BAT pin (i.e. 3 pin) of the charging management chip U1 are respectively connected with an external resistor to set a charging voltage, and are connected with the negative electrode of the storage battery through a 7 pin series resistor R9, so as to acquire the voltage of the storage battery, and convert the acquired voltage and the resistor R9 into an electromagnetic charging current ISNS. And when the collected voltage of the storage battery is smaller than the set charging voltage VBLK, the storage battery enters a constant current charging mode, and the ISNS charges with the set maximum current. And ending the constant-current charging mode until the charging current ISNS is detected to be smaller than the minimum charging current, and switching to the constant-voltage charging mode to charge with the set charging voltage VBLK. And ending the storage battery charging until the charging current ISNS is equal to the minimum charging current.
The charging module uses a plurality of triodes as switching tubes, the on-off of charging is controlled by the charging management module, and the collected charging voltage is sent to the MCU control module.
The control chip U2 discerns a plurality of charging device's address through reading dial-up switch's position, and a plurality of charging device realize concentrated networking management through CAN communication mode to report information such as fault condition to host computers such as outside fire control host computer through CAN interface.
The MCU control module is internally provided with an analog-to-digital conversion function module for processing the charging state of the charging management module, collecting the charging voltage of the charging module, collecting and processing probe data detected by the storage battery, realizing the driving of the display module, and realizing the address management and CAN on-line of a plurality of chargers. And editing the address of each charger in a dial switch mode.
The display module displays the working state of the storage battery comprising the charging device in the form of an LED, wherein the working state comprises a storage battery connection state, a charging state, a storage battery output end voltage overhigh state, a storage battery output end voltage overlow state and the total working state of the charger.
The storage battery detection module comprises a temperature probe and a storage battery voltage acquisition input interface, the temperature probe is installed on the storage battery, and the use temperature range can be set.
Fig. 1 is a circuit diagram of an MCU control module, fig. 2 is a first part of a battery detection module, fig. 3 is a circuit diagram of a charging module, fig. 4 is a circuit diagram of a charging management module, fig. 5 is a circuit diagram of a display module, and fig. 6 is a structural schematic diagram of a charging device.
The utility model discloses can realize effectively that the management of charging storage battery prevents to overshoot to can in time report the fault condition of battery and realize the network deployment of many chargers.
The embodiment disclosed in this specification is only an example of the single-sided features of the present invention, and the protection scope of the present invention is not limited to this embodiment, and any other embodiments having equivalent functions all fall into the protection scope of the present invention. Various other changes and modifications to the above-described embodiments and concepts may occur to those skilled in the art, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A lead-acid battery charging device is characterized by comprising a charging management module, an MCU control module, a display module, a charging module and a storage battery detection module, wherein the charging management module is connected with the charging module and used for controlling the on-off of the charging module, the charging module is directly connected with a storage battery and used for charging the storage battery,
the storage battery detection module is respectively connected with the storage battery and the MCU control module, the storage battery detection module is used for collecting the voltage and the temperature of the storage battery and sending the collected voltage and temperature to the MCU control module,
the MCU control module is also respectively connected with the charging management module and the display module, collects the charging voltage of the charging module, judges the charging state of the storage battery according to the charging voltage, the voltage and the temperature of the storage battery, controls whether to charge the storage battery according to the judgment result of the charging state of the storage battery, and drives the display module to display the charging state of the storage battery in real time.
2. The lead-acid battery charging device of claim 1, wherein a dial switch is built in the MCU control module, and the dial switch is used to edit the address of the charging device to realize networking of multiple charging devices.
3. The lead-acid battery charging device of claim 1, wherein the charging management module comprises a charging management chip U1, a pin MOD of the charging management chip U1 is connected in series with a resistor R27 and then connected to the base of a transistor Q7 of the charging module, the pin MOD is used for generating a PWM switching signal, the PWM switching signal is used for controlling whether the charging module charges the storage battery or not,
the collector of the triode Q7 is connected with the resistor R25 in series and then is respectively connected with the bases of the triodes Q4 and Q8, and the emitters of the triodes Q4 and Q8 are connected with the resistor R26 in series and then are respectively connected with the bases of the triodes Q5 and Q9.
4. The lead-acid battery charging device of claim 1, wherein the MCU control module comprises a control chip U2, a pin PD14 of the control chip U2 is connected in series with resistors R19 and R23 in turn and then connected to the base of the transistor, and a pin PD14 is used to output 0 and 1 levels to turn off the battery power supply and turn on the battery charging, respectively.
5. The lead-acid battery charging device of claim 1, wherein the display module displays the working state of the storage battery including the charging device in the form of an LED, including the connection state of the storage battery, the charging state, the over-high voltage output state of the storage battery, the under-low voltage output state of the storage battery, and the general working state of the charger.
6. The lead-acid battery charging device of claim 1, wherein the battery detection module comprises a temperature probe and a battery voltage acquisition input interface, the temperature probe being mounted on the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103001.9U CN214280967U (en) | 2020-12-21 | 2020-12-21 | Lead-acid battery charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103001.9U CN214280967U (en) | 2020-12-21 | 2020-12-21 | Lead-acid battery charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214280967U true CN214280967U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023103001.9U Active CN214280967U (en) | 2020-12-21 | 2020-12-21 | Lead-acid battery charging device |
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| CN (1) | CN214280967U (en) |
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2020
- 2020-12-21 CN CN202023103001.9U patent/CN214280967U/en active Active
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Address after: No. 56 Nanli East Road, Shiqi Town, Panyu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangdong Baolun Electronics Co.,Ltd. Address before: 510000 Building 1, industrial zone B, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ITC ELECTRONIC TECHNOLOGY Co.,Ltd. |
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