CN216056400U - Battery charging device capable of automatically identifying - Google Patents
Battery charging device capable of automatically identifying Download PDFInfo
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- CN216056400U CN216056400U CN202122140898.0U CN202122140898U CN216056400U CN 216056400 U CN216056400 U CN 216056400U CN 202122140898 U CN202122140898 U CN 202122140898U CN 216056400 U CN216056400 U CN 216056400U
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Abstract
The utility model discloses a battery charging device capable of automatically identifying, and relates to the technical field of battery charging devices. According to the utility model, through arranging the power conversion module, the control processing module, the wireless communication unit and the data storage unit which are matched with each other, when the identification information is read through the wireless communication unit, the corresponding charging information is obtained at the control processing module, and the power which is suitable for the current battery is provided at the output end of the power conversion module, so that the identification information of the battery can be quickly obtained without plug-in connection before the batteries with different specifications are charged, and the battery is charged based on the corresponding charging information, thereby achieving the purposes of simplifying operation and improving use experience; meanwhile, the compatible battery can set identification information in various simple to complex modes, so that the new and old batteries can conveniently set charging parameters, and finally, the battery charging parameters can be quickly, reasonably and universally identified and determined.
Description
Technical Field
The utility model relates to the technical field of battery charging devices, in particular to a battery charging device capable of automatically identifying.
Background
In recent years, power batteries have been widely used in industries such as electric vehicles, electric bicycles, and industrial power, and have been developed to provide power sources for tools. Meanwhile, the power battery is also used for providing power for equipment such as unmanned aerial vehicles and vehicle models due to the advantages of long service life, safety in use, large capacity and the like. Along with the increasing differentiation of the characteristics of equipment types, performances, endurance and the like, the power battery correspondingly has rich types. If the charging device is individually adapted to different power batteries, a great deal of waste is caused.
The present charging devices are capable of charging batteries adapted to different types and parameter characteristics, but require more responsible setup and output operations. On one hand, the service quality and the service life of the battery can be ensured by meeting the reasonable charging process; on the other hand, however, this leads to an increased complexity of the charging process, which is largely unchanged for the user of the drone, the vehicle model, etc. In the prior art, an identification device is mainly used for acquiring charging parameters on a battery and then charging the battery according to proper parameters, but the problems that the old-style battery without corresponding information is incompatible, the charging parameters corresponding to the use of the battery are changed and the like still exist.
SUMMERY OF THE UTILITY MODEL
Accordingly, the present invention is directed to an automatic identification battery charger, which can reasonably identify and determine the charging parameters of a battery, simplify the charging operation procedure, and adjust the battery life and power management to the optimal state.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a battery charging device capable of automatically identifying, which comprises a device main body, wherein the device main body comprises:
the power conversion module is used for acquiring power at an input port of the power conversion module, and charging the battery module at an output port of the power conversion module after conversion;
the control processing module is used for controlling the power conversion module to convert power according to the charging information;
the wireless communication unit is used for acquiring identification information arranged on the battery module in a wireless connection mode;
a data storage unit for storing identification information and charging information;
when the wireless communication unit reads the identification information, the control processing module acquires corresponding charging information so that the power conversion module provides the power suitable for the current battery module at the output end of the power conversion module.
Optionally, in the above battery charging device, the wireless communication unit includes a radio frequency receiving unit to obtain identification information in a radio frequency tag attached to the battery module.
Optionally, the wireless communication unit further includes a bluetooth module, where the bluetooth module is used to connect to a mobile phone terminal, and input identification information via the mobile phone terminal, or obtain identification information in a graphic code of the battery module via the terminal.
The battery charging device further comprises a battery interface and an information acquisition circuit, wherein the battery interface is used for connecting the device main body to the battery module and each battery pack in the battery module; the information acquisition circuit is used for acquiring the electric parameters of the battery module and the electric parameters of each battery pack in the battery module, and the control processing module is also used for responding to the instruction to adjust the identification information stored in the data storage unit and the corresponding charging information according to the electric parameter information of the battery module and the battery pack thereof.
The battery charging device further comprises a balancing circuit, wherein the battery interface comprises a charging interface and a balancing interface, the charging interface is electrically connected with the positive electrode and the negative electrode of the battery module, the balancing interface comprises at least three connecting ends, two adjacent connecting ends are respectively used for connecting the positive electrode and the negative electrode of the battery pack, the balancing circuit comprises at least two electric quantity balancing units, two ends, used for controllable shunting, of each electric quantity balancing unit are correspondingly connected with the connecting ends, and the control ends of the electric quantity balancing units are respectively and independently connected with the control processing module, so that when the battery charging device is charged through the charging interface, the electric quantity balancing units balance the charging quantity by shunting the battery pack.
In the above battery charging device, the electric quantity balancing unit further includes two MOSFET devices connected oppositely in flow direction, and a shunt resistor connected in series with the MOSFET devices; the MOSFET device and the shunt resistor are connected in series to two adjacent connecting ends, and the MOSFET device is connected to the control processing module in a control mode.
The above battery charging device further includes a discharge control circuit connected to the charging interface and the balancing interface, respectively, so as to connect a discharge loop in cooperation with the electric quantity balancing unit when discharging the battery module.
The above battery charging apparatus further includes a bluetooth module for connecting to the bluetooth device of the battery module to read and write the charging information of the battery module.
Optionally, the device body further includes a switch button, and the switch button is connected to the control processing module to control the on/off of the device body.
The above battery charging device further comprises an LED indicating circuit and a buzzer, which are connected to the control processing module.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the battery charging device comprises a device body matched with a power conversion module, a control processing module, a wireless communication unit and a data storage unit, wherein when the identification information is read through the wireless communication unit, the control processing module acquires corresponding charging information and provides proper power for the current battery at the output end of the power conversion module, so that the identification information of the battery can be acquired quickly without plug-in connection before the batteries with different specifications are charged, and the battery is charged based on the corresponding charging information, so that the purposes of simplifying operation and improving use experience are achieved; meanwhile, the compatible battery can set identification information in various simple to complex modes, so that the new and old batteries can conveniently set charging parameters, and finally, the battery charging parameters can be quickly, reasonably and universally identified and determined.
(2) The utility model further sets various wireless communication unit interfaces matched with the radio frequency communication unit and the Bluetooth module, so that the battery module can record identification information in various modes such as graphic codes, radio frequency tags and the like. Meanwhile, the data storage module is convenient to update the identification information and the charging information in a wireless communication mode, and the compatibility of the charging device is further improved.
(3) The wireless communication unit is further arranged as a Bluetooth module, so that wireless connection with the mobile phone terminal can be established, and operation control and parameter display are performed by means of the mobile phone terminal; meanwhile, by arranging the balance circuit and the information acquisition circuit, the charging precision of the battery module is not effectively improved, the charging information corresponding to the identification information can be confirmed again along with the change of the battery in the using process, and the management level of battery charging is improved.
The utility model will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic circuit diagram of a battery charging apparatus according to an embodiment of the utility model;
fig. 2 is a schematic circuit diagram of a balancing circuit of a battery charging apparatus according to an embodiment of the utility model;
fig. 3 is a schematic circuit diagram of an information acquisition circuit of a battery charging apparatus according to an embodiment of the present invention;
fig. 4 is a schematic external structural diagram of a battery charging apparatus according to an embodiment of the utility model.
The reference signs are: 100. a device body; 200. a battery module; 300. a terminal; 1. an output interface; 2. a power conversion module; 3. a battery interface; 31. a charging interface; 32. a balancing interface; 4. a control processing module; 5. a wireless communication unit; 51. a radio frequency communication unit; 52. a Bluetooth module; 6. a data storage unit; 7. an information acquisition circuit; 8. a balancing circuit; 9. switching a key; 91. the LED indicates electricity; 92. a buzzer; 71. a voltage acquisition unit; 81. an electric quantity balancing unit; 82. a discharge control circuit.
Detailed Description
To better illustrate the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
As shown in fig. 1 to 4, an embodiment according to the present invention is an automatically identifiable battery charging apparatus including an apparatus body 100. Referring to fig. 1, the device body 100 is composed of an output interface 1, a power conversion module 2, a battery interface 3, a control processing module 4, a wireless communication unit 5, a data storage unit 6, a switch key 9, an LED indication circuit 91, a buzzer 92, an information acquisition circuit 7 and a balancing circuit 8. The battery interface 3 includes an input interface, a charging interface 31, and a balance interface 32. The wireless communication unit 5 includes a radio frequency communication unit 51 and a bluetooth module 52. The power conversion module 2 is used for acquiring power at an input port thereof, and charging the battery module 200 at an output port thereof after conversion. The control processing module 4 is used for controlling the power conversion module 2 to perform power conversion according to the charging information. The data storage unit 6 is used to store identification information and charging information. The rf receiving unit is configured to obtain identification information in an rf tag attached to the battery module 200, and the bluetooth module 52 is configured to be connected to the mobile phone terminal 300 and obtain corresponding identification information of the battery module 200 through the terminal 300, so as to obtain the identification information set in the battery module 200 in a wireless connection manner. When the wireless communication unit 5 reads the identification information, the control processing module 4 acquires the corresponding charging information to cause the power conversion module 2 to supply the power appropriate for the current battery module 200 at its output terminal.
Specifically, in the power conversion module 2 of the device body 100, the input interface is an interface of the ac mains supply, which is connected to the input end of the power conversion module 2, and the ac mains supply is subjected to filtering, bridge rectification and flyback conversion by the power conversion module 2 to form a dc power meeting the charging information requirement. The direct current is connected to the charging interface 31 via the charging switch, and the charging interface 31 may be connected to the battery module 200 to charge the battery module 200.
In one aspect of this embodiment, the device body 100 is connected to the rf tag attached to the surface of the battery module 200 through the rf receiving unit, the control processing module 4 obtains the identification information corresponding to the battery module 200, and the data storage unit 6 obtains the corresponding charging information to correspondingly adjust the output electrical parameter of the power conversion module 2 according to the charging information. In another aspect of the present embodiment, the device body 100 is connected to the mobile phone terminal 300 through the bluetooth module 52, and the control processing module 4 acquires the identification information corresponding to the battery module 200 through manual input or query at the mobile phone terminal 300; or in a mode of shooting the two-dimensional graphic code at the mobile phone terminal 300, the control processing module 4 acquires the identification information corresponding to the battery module 200, and the control processing module 4 acquires the corresponding charging information from the data storage unit 6 and controls the power conversion module 2 to output the corresponding electrical parameter, so that the charging parameter can be accurately, conveniently and quickly adjusted. No matter the battery module 200 is marked by a radio frequency tag or a graphic code or is provided with an independent Bluetooth device, the quick identification can be realized, and the charging parameter of the battery module 200 can be correspondingly and accurately adjusted. It will be appreciated that graphic codes may be conveniently provided in older battery modules 200, while newer battery cells may be provided with separate bluetooth components for direct reading and writing of information. The identification information includes character information corresponding to the model of the battery module 200, or a unique identification code of the battery module 200, etc.; the charging information includes capacity information, charging voltage information, charging current information, the number of battery packs, and the like.
Specifically, the battery interface 3 is used to connect the device main body to the battery module 200 and each battery pack therein; the information acquisition circuit 7 is configured to acquire the electrical parameters of the battery module 200 and the electrical parameters of each battery pack in the battery module 200, and the control processing module 4 adjusts the charging information corresponding to the identification information in response to the instruction according to the electrical parameter information of the battery module 200 and the battery pack thereof, and stores the charging information in the data storage unit 6. The control processing module 4 is connected to a switch button 9, controls on/off of the apparatus body 100 via the switch button 9, establishes connection with the terminal 300 by using the bluetooth module 52, and performs operation input and display output by the terminal 300. The control processing module 4 is further connected with an LED indicating circuit 91 and a buzzer 92 to indicate the operation state of the device body 100. The balancing interface 32 has a plurality of connection terminals connectable to the respective battery packs of the battery module 200, and the electric quantity balancing unit 81 is disposed in parallel between the adjacent two connection terminals to independently control the connection state of the battery packs. The discharge control circuit 82 is connected to the balance interface 32 and the charging interface 31, so that the battery module 200 forms a closed discharge loop in response to the instruction. The information acquisition circuit 7 has n voltage acquisition units 71 for measuring the voltage parameters of the respective battery packs and estimating the current capacity and the like.
It should be noted that, in this embodiment, the bluetooth module 52 and the control processing module 4 of the device body 100 establish connection with the mobile phone terminal 300 through the bluetooth module 52, acquire the identification information and update the identification information and the charging information to the data storage unit 6 by the terminal 300, and establish connection with the battery module 200 through the bluetooth module 52, determine the charging information such as the current capacity, the optimal charging voltage, the maximum charging current and the like through detection formation of the device body 100, and write the charging information into the battery module 200.
Referring to fig. 2, the balance interface 32, the discharge control circuit 82 and the charge balance unit 81 of the present embodiment are shown. The balanced interface 32 has BAT0-BAT 6 connection terminals (n + 1), and can be used to connect connection nodes of 6 battery packs (n) in the battery module 200. The balance discharge circuit is provided with 6 electricity balance units 81 (n), two ends of each electricity balance unit 81 for controllable shunt are correspondingly connected to each connection end, and the control ends of the electricity balance units 81 are respectively and independently connected to the BALANCE _ CRT end of B1-B6 of the control processing module 4. When the electric quantity balancing unit 81 is turned on, the battery pack shunts the electric power; when the charge balance unit 81 is turned off, the battery pack is independently supplied with power to perform balance charging or balance discharging.
Specifically, the cell 81 includes two MOSFET devices connected to each other in a flow direction, and a shunt resistor connected in series to the MOSFET devices; the MOSFET device and the shunt resistor are connected to two adjacent connecting ends in series, and the MOSFET device is connected to the control processing module 4 in a control mode. When charge balancing is performed, the discharge control circuit 82 is turned off. The MOSFET device is disconnected when the battery pack needs to be charged, and the battery pack obtains charging current; the MOSFET device is conducted and bypassed by the shunt resistor without a battery pack to be charged.
Specifically, the discharge control circuit 82 is composed of a positive line connected between the connection terminal BAT2 and the B + terminal, and a negative line connected between the connection terminal BAT0 and the B-terminal. When the discharging balance is performed, the battery pack that needs to be discharged controls the MOSFET device of the electric quantity balancing unit 81 to be turned off, the battery pack that does not need to be discharged controls the MOSFET device of the electric quantity balancing unit 81 to be turned on, and the positive line and the negative line of the discharging control circuit 82 are turned on, so that the two ends of the battery module 200 are short-circuited, and the electric quantity of the battery pack is consumed by the shunt resistor.
Referring to fig. 3, the information acquisition circuit 7 of the present embodiment includes 7 sets of voltage acquisition units 71, which are connected to the acquisition end to obtain voltage parameters, and output the voltage parameters to the control processing module 4 through the amplifying circuit. Specifically, two input ends of each voltage acquisition unit 71 are respectively connected to two adjacent connection ends (BAT0-BAT1), and a B + end and a B-end in the charging port, so as to obtain a voltage parameter of each battery pack and a total voltage parameter of the battery module 200.
Fig. 4 is an external view of the device body 100 according to the present embodiment. When in use, the battery module 200 is connected to the battery interface 3 through a wire, the input interface is connected to an ac outlet through a wire, and the switch button 9 can start the control processing module 4 of the device body 100. For the battery module 200 with the rf tag, the battery module 200 can be placed in the indication area of the rf communication unit 51, the identification information of the battery module 200 can be read quickly, and the corresponding charging information can be obtained in the data storage unit 6, so as to control the power conversion module 2 to output the power of the corresponding parameter at the battery interface 3. For the battery module 200 with graphic code, the bluetooth module 52 can be connected to the mobile phone terminal 300, and the graphic code of the battery module 200 is obtained by shooting through the terminal 300, so as to obtain the identification information, and then the battery module 200 is adaptively charged. The battery module 200 without graphic code can obtain corresponding identification information from the mobile phone terminal 300 through the bluetooth module 52. The battery module 200 with the bluetooth device can directly establish connection with the apparatus body 100 through the bluetooth module 52, directly acquire charging information of the battery module 200, and update the charging information of the battery module 200.
The foregoing embodiments have been described primarily for the purposes of illustrating the general principles, and features and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (10)
1. An automatically identifiable battery charging device comprising a device body, wherein the device body comprises:
the power conversion module (2) is used for acquiring power at an input port of the power conversion module, and charging the battery module (200) at an output port of the power conversion module after conversion;
the control processing module (4) is used for controlling the power conversion module (2) to carry out power conversion according to the charging information;
a wireless communication unit (5) for acquiring identification information provided to the battery module (200) by wireless connection;
a data storage unit (6) for storing identification information and charging information;
when the wireless communication unit (5) reads the identification information, the control processing module (4) acquires corresponding charging information so that the power conversion module (2) provides power suitable for the current battery module (200) at the output end thereof.
2. An automatically identifiable battery charging device as claimed in claim 1, characterised in that the wireless communication unit (5) comprises a radio frequency receiving unit to obtain identification information in a radio frequency tag attached to the battery module (200).
3. An automatically identifiable battery charging device as claimed in claim 1 or 2, characterised in that the wireless communication unit (5) further comprises a bluetooth module (52), the bluetooth module (52) being adapted to connect to a mobile phone terminal (300) and to input identification information via the mobile phone terminal (300) or to obtain identification information provided within a graphic code of the battery module (200) via the terminal (300).
4. An automatically identifiable battery charging device according to claim 3, characterised in that the device body further comprises a battery interface (3) and an information acquisition circuit (7), the battery interface (3) being used for connecting the device body to the battery module (200) and the battery packs therein; the information acquisition circuit (7) is used for acquiring the electric parameters of the battery module (200) and the electric parameters of each battery pack in the battery module (200), and the control processing module (4) is also used for responding to the instruction to adjust the identification information stored in the data storage unit (6) and the corresponding charging information according to the electric parameter information of the battery module (200) and the battery pack thereof.
5. An automatically identifiable battery charging apparatus as claimed in claim 4, the device body also comprises a balancing circuit (8), the battery interface (3) comprises a charging interface (31) and a balancing interface (32), the charging interface (31) is used for being electrically connected with the positive electrode and the negative electrode of the battery module (200), the balance interface (32) comprises at least three connecting ends, two adjacent connecting ends are respectively used for connecting the anode and the cathode of the battery pack, the balancing circuit (8) comprises at least two electric quantity balancing units (81), two ends of each electric quantity balancing unit (81) for controllable shunt are correspondingly connected with each connecting end, the control ends of the electric quantity balancing units (81) are respectively and independently connected with the control processing module (4), so that the charge balancing unit (81) balances the charge amount by shunting the battery pack when charging through the charging interface (31).
6. An automatically identifiable battery charging device as claimed in claim 5, characterised in that the charge balancing unit (81) comprises two MOSFET devices connected in a flow-wise opposite manner, a shunt resistor connected in series with the MOSFET devices; the MOSFET device and the shunt resistor are connected to two adjacent connecting ends in series, and the MOSFET device is connected to the control processing module (4) in a control mode.
7. An automatically identifiable battery charging device as claimed in claim 5, characterized in that the balancing circuit (8) further comprises a discharge control circuit (82) connected to the charging interface (31) and the balancing interface (32), respectively, for connecting the charge balancing unit (81) into a discharge loop when discharging the battery module (200).
8. An automatically identifiable battery charging device as claimed in claim 3, characterized in that the bluetooth module (52) is adapted to be connected to a bluetooth device of the battery module (200) for reading and writing charging information of the battery module (200).
9. The battery charging device according to claim 1, wherein the device body further comprises a switch button (9) connected to the control processing module (4) to control the opening and closing of the device body.
10. An automatically identifiable battery charging device as claimed in claim 9, characterised in that the device body further comprises an LED indicator circuit (91) and a buzzer (92), the LED indicator circuit (91) and the buzzer (92) being connected to the control processing module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122140898.0U CN216056400U (en) | 2021-09-03 | 2021-09-03 | Battery charging device capable of automatically identifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122140898.0U CN216056400U (en) | 2021-09-03 | 2021-09-03 | Battery charging device capable of automatically identifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216056400U true CN216056400U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122140898.0U Active CN216056400U (en) | 2021-09-03 | 2021-09-03 | Battery charging device capable of automatically identifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216056400U (en) |
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2021
- 2021-09-03 CN CN202122140898.0U patent/CN216056400U/en active Active
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