CN219960146U - Intelligent charging device for lead-acid battery and electronic product - Google Patents
Intelligent charging device for lead-acid battery and electronic product Download PDFInfo
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- CN219960146U CN219960146U CN202320028511.9U CN202320028511U CN219960146U CN 219960146 U CN219960146 U CN 219960146U CN 202320028511 U CN202320028511 U CN 202320028511U CN 219960146 U CN219960146 U CN 219960146U
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- 238000007600 charging Methods 0.000 title claims abstract description 357
- 239000002253 acid Substances 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 115
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 28
- 230000010365 information processing Effects 0.000 claims description 48
- 230000001105 regulatory effect Effects 0.000 claims description 43
- 238000004891 communication Methods 0.000 claims description 19
- 230000001276 controlling effect Effects 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000036541 health Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an intelligent charging device for a lead-acid battery and an electronic product, the intelligent charging device comprises a voltage detection circuit, a charging control chip and a voltage stabilizing regulation loop, wherein the voltage detection circuit is used for detecting the battery voltage of target equipment and feeding back the battery voltage to the charging control chip, the charging control chip is used for determining the target charging state of the target equipment according to the battery voltage of the target equipment and feeding back the target charging state to the voltage stabilizing regulation loop, and the voltage stabilizing regulation loop is used for controlling the target equipment to charge in a charging mode corresponding to the target charging state according to the target charging state. Therefore, the utility model not only can detect the battery state of the target equipment in real time and determine the matched target charging state, but also can improve the intelligence of charging the battery of the target equipment, thereby improving the safety of charging the target equipment and further being beneficial to prolonging the service life of the battery.
Description
Technical Field
The utility model relates to the technical field of battery charging, in particular to an intelligent charging device for a lead-acid battery and an electronic product.
Background
In recent years, lead-acid batteries have been increasingly used in various industries, such as electric vehicles, because of their low price, small voltage fluctuation, no leakage, no pollution, etc. However, at present, most of chargers on the market charge lead-acid batteries in a constant-voltage and constant-current charging mode, and the charging mode is single and is easy to damage the batteries, so that potential safety hazards exist when the lead-acid batteries are charged. It is important to provide a new charging device for lead-acid batteries to improve the intelligence of charging the lead-acid batteries and further to improve the safety of charging the lead-acid batteries.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an intelligent charging device for a lead-acid battery and an electronic product, which can determine a charging mode matched with the battery based on the actual condition of the battery, thereby improving the intelligent property of battery charging and further improving the service life and the use safety of the battery.
In order to solve the technical problems, a first aspect of the utility model discloses an intelligent charging device for a lead-acid battery, which comprises a voltage detection circuit, a charging control chip and a voltage stabilizing and regulating loop, wherein:
The first end of the voltage detection circuit is electrically connected with the first end of the target device, the second end of the voltage detection circuit is electrically connected with the first end of the charging control chip, the second end of the charging control chip is electrically connected with the first end of the voltage stabilizing and regulating loop, and the second end of the voltage stabilizing and regulating loop is electrically connected with the second end of the target device;
the voltage detection circuit is used for detecting the battery voltage of the target equipment and feeding back the battery voltage of the target equipment to the charging control chip;
the charging control chip is used for determining a target charging state of the target equipment according to the battery voltage of the target equipment and feeding back the target charging state to the voltage stabilizing and regulating loop; the target charging state is the determined charging state required to be achieved by the target equipment, and the target charging state comprises target voltage and target current;
and the voltage stabilizing and regulating loop is used for controlling the target equipment to charge in a charging mode corresponding to the target charging state according to the target charging state.
As an optional implementation manner, in the first aspect of the present utility model, the intelligent charging device for a lead-acid battery further includes a circuit information processing chip, where:
The first end of the circuit information processing chip is electrically connected with the third end of the target device, and the second end of the circuit information processing chip is electrically connected with the third end of the charging control chip;
the circuit information processing chip is used for acquiring a target signal of the target device and executing preset processing operation on the target signal to obtain target charging information of the target device, wherein the target signal comprises a battery dynamic voltage signal of the target signal and/or a voltage drop signal of the target device; the target charging information includes one or more of a remaining capacity, a current value, a voltage value, and an internal resistance of a battery of the target device.
As an optional implementation manner, in the first aspect of the present utility model, the intelligent charging device for a lead-acid battery further includes a charging clip detection circuit, where:
the first end of the charging clip detection circuit is electrically connected with the third end of the voltage detection circuit, and the second end of the charging clip detection circuit is electrically connected with the fourth end of the target device;
the charging clip detection circuit is used for detecting the connection relation between the target equipment and the voltage detection circuit.
As an alternative embodiment, in the first aspect of the present utility model, the voltage stabilizing adjustment loop includes a current adjustment circuit and a voltage adjustment circuit, wherein:
the first end of the current regulating circuit is electrically connected with the second end of the charging control chip, the second end of the current regulating circuit is electrically connected with the first end of the voltage regulating circuit, and the second end of the voltage regulating circuit is electrically connected with the second end of the target equipment;
the current regulating circuit is used for regulating the charging current of the target equipment so as to enable the charging current of the target equipment to be matched with the target current;
the voltage regulating circuit is used for regulating the charging voltage of the target equipment and stabilizing the charging voltage of the target equipment so as to enable the charging voltage of the target equipment to be matched with the target voltage.
As an optional implementation manner, in the first aspect of the present utility model, the intelligent charging device for a lead-acid battery further includes a master-slave communication circuit, where:
the first end of the master-slave communication circuit is electrically connected with the fourth end of the charging control chip, and the second end of the master-slave communication circuit is electrically connected with the third end of the circuit information processing chip;
And the master-slave communication circuit is used for transmitting the target signal of the target equipment acquired by the circuit information processing chip to the charging control chip and feeding back the charging state, determined by the charging control chip, required to be reached by the target equipment to the circuit information processing chip.
As an optional implementation manner, in the first aspect of the present utility model, the charging clip detection circuit includes a charging clip detection sub-circuit and a charging clip output sub-circuit, where:
the first end of the charging clip detection sub-circuit is electrically connected with the third end of the voltage detection circuit, the second end of the charging clip detection sub-circuit is electrically connected with the first end of the charging clip output sub-circuit, and the second end of the charging clip output sub-circuit is electrically connected with the fourth end of the target device;
the charging clip detection subcircuit is used for detecting the voltage relation between the target equipment and the voltage detection circuit;
and the charging clip output sub-circuit is used for determining the connection relation between the target equipment and the voltage detection circuit according to the voltage relation between the target equipment and the voltage detection circuit.
As an optional implementation manner, in the first aspect of the present utility model, the intelligent charging device for a lead-acid battery further includes an operational amplifier circuit, where:
the first end of the operational amplifier circuit is electrically connected with the fourth end of the voltage detection circuit, and the second end of the operational amplifier circuit is electrically connected with the fifth end of the charging control chip;
the operational amplifier circuit is used for operational amplifying the voltage detected by the voltage detection circuit and outputting the voltage detected by the voltage detection circuit to the charging control chip in a fully differential mode.
As an optional implementation manner, in the first aspect of the present utility model, the intelligent charging device for a lead-acid battery further includes a screen driving chip, where:
the first end of the screen driving chip is electrically connected with the sixth end of the charging control chip, and the second end of the screen driving chip is electrically connected with the screen;
the screen driving chip is used for generating visual charging information matched with the target charging state according to the target charging state determined by the charging control chip and displaying the visual charging information on the screen.
As an optional implementation manner, in the first aspect of the present utility model, the intelligent charging device for a lead-acid battery further includes a bluetooth module, where:
The first end of the Bluetooth module is electrically connected with Bluetooth equipment corresponding to the Bluetooth module, the second end of the Bluetooth module is electrically connected with the fourth end of the circuit information processing chip, and the third end of the Bluetooth module is electrically connected with the fifth end of the target equipment;
the Bluetooth module is used for receiving a target control instruction sent by the Bluetooth device and transmitting the target control instruction to the circuit information processing chip so that the circuit information processing chip transmits the target control instruction to the charging control chip and the charging control chip determines a charging state matched with the target control instruction;
the Bluetooth module is also used for collecting the device battery information of the target device and displaying the device battery information on the Bluetooth device.
In a second aspect, the utility model discloses an electronic product comprising a lead-acid battery intelligent charging device as disclosed in any one of the first aspects.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
the utility model provides an intelligent charging device for a lead-acid battery and an electronic product, wherein the device comprises a voltage detection circuit, a charging control chip and a voltage stabilizing and regulating circuit, wherein a first end of the voltage detection circuit is electrically connected with a first end of target equipment, a second end of the voltage detection circuit is electrically connected with the first end of the charging control chip, a second end of the charging control chip is electrically connected with a first end of a voltage stabilizing and regulating loop, and a second end of the voltage stabilizing and regulating loop is electrically connected with a second end of the target equipment; the voltage detection circuit is used for detecting the battery voltage of the target equipment and feeding back the battery voltage of the target equipment to the charging control chip; the charging control chip is used for determining a target charging state of the target equipment according to the battery voltage of the target equipment and feeding back the target charging state to the voltage stabilizing and regulating loop; and the voltage stabilizing and regulating loop is used for controlling the target equipment to charge in a charging mode corresponding to the target charging state according to the target charging state. Therefore, the utility model not only can detect the battery state of the target equipment in real time and determine the matched target charging state, but also can improve the intelligence of charging the battery of the target equipment, thereby improving the safety of charging the target equipment and further being beneficial to prolonging the service life of the battery.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an intelligent charging device for a lead-acid battery, which is disclosed in an embodiment of the utility model;
fig. 2 is a schematic diagram of a voltage detection circuit and a power supply circuit to be tested according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of another intelligent charging device for lead-acid batteries according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a current regulation circuit and a voltage regulation circuit according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a master-slave communication circuit according to the present disclosure;
FIG. 6 is a schematic diagram of a charging clip detection subcircuit and a charging clip output subcircuit according to the present disclosure;
FIG. 7 is a schematic diagram of an operational amplifier circuit according to the present disclosure;
FIG. 8 is a schematic diagram of a panel driver chip according to the present disclosure;
fig. 9 is a schematic structural diagram of an electronic product according to an embodiment of the present utility model.
Detailed Description
For a better understanding and implementation, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, unless explicitly specified and limited otherwise, the term "electrically connected" in the description of the utility model and in the claims and in the above-mentioned figures should be understood in a broad sense, for example, as a fixed electrical connection, as a removable electrical connection, or as an integral electrical connection; can be mechanically and electrically connected or can be mutually communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Furthermore, the terms first, second and the like in the description and in the claims of the utility model and in the foregoing figures, are used for distinguishing between different objects and not for describing a particular sequential order, and are not intended to cover any exclusive inclusion. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model discloses an intelligent charging device for a lead-acid battery and an electronic product, which can detect the battery state of target equipment in real time and determine the matched target charging state, and can improve the intelligence of charging the battery of the target equipment, so that the safety of charging the target equipment can be improved, and the service life of the battery can be prolonged. The following will describe in detail.
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of an intelligent charging device for a lead-acid battery, which is disclosed in an embodiment of the present utility model, and the device not only can detect a battery health state and a battery charging state of the lead-acid battery in real time, but also can perform intelligent charging on the lead-acid battery. As shown in fig. 1, the intelligent charging device for lead-acid battery comprises a voltage detection circuit, a charging control chip and a voltage stabilizing and regulating loop, wherein:
the first end of the voltage detection circuit is electrically connected with the first end of the target equipment, the second end of the voltage detection circuit is electrically connected with the first end of the charging control chip, the second end of the charging control chip is electrically connected with the first end of the voltage stabilizing and regulating loop, and the second end of the voltage stabilizing and regulating loop is electrically connected with the second end of the target equipment;
The voltage detection circuit is used for detecting the battery voltage of the target equipment and feeding back the battery voltage of the target equipment to the charging control chip;
the charging control chip is used for determining a target charging state of the target equipment according to the battery voltage of the target equipment and feeding back the target charging state to the voltage stabilizing and regulating loop; the target charging state is the charging state which is determined to be required to be achieved by the target equipment, and the target charging state comprises target voltage and target current;
and the voltage stabilizing and regulating loop is used for controlling the target equipment to charge in a charging mode corresponding to the target charging state according to the target charging state.
In an embodiment of the present utility model, fig. 2 is a schematic diagram of a voltage detection circuit and a power supply circuit to be tested according to an embodiment of the present utility model. As shown in fig. 2, the target device is directly connected to a voltage detection circuit through a pin line, wherein get_vot1 belongs to battery static voltage detection, bat+/BAT-samples voltage at a battery charger board terminal, when battery detection is performed, ctr_test outputs a square wave with a frequency of 200HZ in a TEST load of the graph, the battery discharges, bat+ is slightly smaller than Vsense, get_vot2 belongs to battery dynamic voltage detection, and meanwhile, a voltage drop signal get_d2 is formed through a current resistor in the voltage detection circuit to detect output current capability of the battery.
In an embodiment of the present utility model, further specifically, the target charging state of the target device may include multiple charging modes. The target charging state of the target device comprises one of a charging mode of 12V Normal, 12VSmall, 12V Repair, 12V Supply, 12V Lithium and 6V Normal, and further the target charging state of the target device is a nine-segment charging method. According to the method, based on a nine-section charging method, after a battery is connected, the voltage of the battery is detected, then the corresponding charging current is determined to charge the battery of the target equipment, and the battery is guaranteed not to be impacted by high current in the moment when the battery is connected, so that the service life of the battery can be guaranteed, the battery is charged more saturated, the safety of the battery in the charging process can be guaranteed, and further the safety of charging the battery is improved, and the use experience sense of a user is enhanced.
In the embodiment of the utility model, optionally, the target device may be a device such as a mobile phone, a tablet computer, an electric vehicle, etc. which needs to use a lead-acid battery. Further, the controlling the target device to charge in the charging manner corresponding to the target charging state may be: and controlling the target equipment to charge in a voltage-stabilizing charging mode corresponding to the target charging state.
In the embodiment of the utility model, the charging control chip is BAT32G135GE32FP.
Therefore, the intelligent charging device for the lead-acid battery, which is described in fig. 1, can detect the battery state of the target device in real time and determine the matched target charging state through the voltage detection circuit, the charging control chip and the voltage stabilizing adjusting loop, and can improve the intelligence of charging the battery of the target device, so that the safety of charging the target device can be improved, and the service life of the battery can be prolonged.
In an alternative embodiment, as shown in fig. 3, fig. 3 is a schematic structural diagram of another intelligent charging device for a lead-acid battery according to an embodiment of the present utility model.
The intelligent charging device of the lead-acid battery further comprises a circuit information processing chip, wherein:
the first end of the circuit information processing chip is electrically connected with the third end of the target device, and the second end of the circuit information processing chip is electrically connected with the third end of the charging control chip;
the circuit information processing chip is used for acquiring a target signal of target equipment and executing preset processing operation on the target signal to obtain target charging information of the target equipment, wherein the target signal comprises a battery dynamic voltage signal of the target signal and/or a voltage drop signal of the target equipment; the target charging information includes one or more of information of a remaining capacity, a current value, a voltage value, and an internal resistance of the battery of the target device.
In this alternative embodiment, the circuit information processing chip is N32WB452CEQ6.
In this alternative embodiment, optionally, the acquisition of the target signal of the target device by the circuit information processing chip may be acquired in real time.
In this alternative embodiment, optionally, the target charging information further includes one or more of a charging stage of a battery of the target device, and a battery health. Wherein the charging phase may include one of a precharge phase, a fast charge phase, a trickle charge phase, a top-up charge phase; and, the battery health includes a life of the battery of the target device.
In this optional embodiment, optionally, the circuit information processing chip collects signals get_d0, get_d1, get_d2, get_vot1 and get_vot2, and performs a processing operation on all collected signals to output target charging information of the target device.
In this optional embodiment, further optionally, the circuit information processing chip transmits the processed target charging information to the charging control chip, so that the charging control chip determines the target charging state of the target device based on the target charging information and the battery voltage of the target device.
Therefore, the implementation of the alternative embodiment can acquire the target signal of the target device based on the circuit information processing chip, and execute the preset processing operation on the target signal to obtain the target charging information of the target device, can acquire the target signal of the target device and obtain the target charging information in real time based on the circuit information processing chip, can improve the efficiency of acquiring the target signal of the target device, can improve the accuracy and reliability of obtaining the target charging information, and is further beneficial to improving the accuracy and reliability of determining the target charging state of the target device and the real-time charging information of the target device.
In another alternative embodiment, as shown in fig. 2, the lead-acid battery intelligent charging device further comprises a charging clip detection circuit, wherein:
the first end of the charging clip detection circuit is electrically connected with the third end of the voltage detection circuit, and the second end of the charging clip detection circuit is electrically connected with the fourth end of the target device;
and the charging clip detection circuit is used for detecting the connection relation between the target equipment and the voltage detection circuit.
In this optional embodiment, optionally, before charging the target device, the connection relationship between the voltage detection circuit and the target device is detected by the charging clip detection circuit, so as to obtain the connection relationship between the voltage detection circuit and the target device, where the connection relationship between the voltage detection circuit and the target device may include one of a short-circuit relationship, a battery reverse connection relationship, and a relationship in which the charging clip is not connected.
In this alternative embodiment, as shown in fig. 2, fig. 2 is a schematic structural diagram of an intelligent charging device for a lead-acid battery according to an embodiment of the present utility model. The intelligent charging device for the lead-acid battery further comprises a conversion circuit, wherein a first end of the conversion circuit is electrically connected with a third end of the charging clip detection circuit, and a second end of the conversion circuit is electrically connected with a sixth end of the target device; the switching circuit is used for controlling the opening and closing of the charging switch. The switching circuit is an AC-DC switching circuit, wherein the AC-DC switching circuit adopts a quasi-resonant flyback control AC-DC power switch of a highly integrated 650V/260mΩ GaN HEMT, and the volume of magnetic components is reduced by increasing the switching frequency, so that the volume of equipment is reduced; furthermore, the GaN element starts the power tube by detecting the lowest voltage value of Vds, so that the switching loss is reduced, the electromagnetic interference is improved, and the conversion efficiency is improved. Therefore, the charging switch is controlled through the conversion circuit, so that the starting and stopping of the charging of the target equipment can be automatically controlled, the intelligence of the charging of the battery of the target equipment can be improved, the safety of the charging of the battery of the target equipment can be improved, the phenomenon of overcharging of the battery of the target equipment is prevented, and the safety of the charging of the battery of the target equipment is improved and the service life of the battery of the target equipment is prolonged.
It can be seen that implementing this alternative embodiment can be based on the connection relation between the charging clip detection circuit detection target device and the voltage detection circuit, can improve the accuracy and the reliability of determining the connection relation between the target device and the voltage detection circuit, can improve the accuracy of detecting the battery voltage of the target device, and can improve the accuracy of determining the target state of charge of the target device according to the battery voltage of the target device, thereby being beneficial to improving the intelligence of charging the battery of the target device, and further being beneficial to improving the service life of the battery of the target device.
In yet another alternative embodiment, a voltage regulation loop includes a current regulation circuit and a voltage regulation circuit, wherein:
the first end of the current regulating circuit is electrically connected with the second end of the charging control chip, the second end of the current regulating circuit is electrically connected with the first end of the voltage regulating circuit, and the second end of the voltage regulating circuit is electrically connected with the second end of the target equipment;
the current adjusting circuit is used for adjusting the charging current of the target device so as to enable the charging current of the target device to be matched with the target current;
and the voltage regulating circuit is used for regulating the charging voltage of the target device and stabilizing the charging voltage of the target device so as to enable the charging voltage of the target device to be matched with the target voltage.
In this alternative embodiment, as shown in fig. 4, fig. 4 is a schematic structural diagram of a current adjusting circuit and a voltage adjusting circuit according to an embodiment of the present utility model. Optionally, the current adjusting circuit is configured to adjust a charging current of the target device according to the target current; for example, the current adjusting circuit converts an i_pw signal output by the charging control chip into a level signal, and superimposes the level signal on a current reference level (5 v×r42/R47), the charging current changes with the change of the duty ratio of the i_pw signal until a target current is reached, and charges the target device according to the target current; further, the duty ratio of the i_pw signal is regulated by detecting the real-time current in a closed loop, so that the charging current matches with the target current and stabilizes the charging current. Optionally, the voltage regulating circuit stabilizes the charging voltage at a target voltage and charges the target device according to the target voltage; wherein the target voltage may be 14V.
It can be seen that the implementation of this alternative embodiment can adjust the charging current and the charging voltage of the target device through the current adjusting circuit and the voltage adjusting circuit in the voltage stabilizing adjusting loop, so that the charging current and the target current of the target device are matched, the charging voltage and the target voltage of the target device are matched, and the charging current and the charging voltage of the target device are stabilized at the target current and the target voltage, so that the stability of charging the battery of the target device can be improved, the intelligence of charging the battery of the target device can be improved, the safety of charging the target device can be improved, and the service life of the battery of the target device can be prolonged.
In yet another alternative embodiment, the lead acid battery intelligent charging apparatus further comprises a master-slave communication circuit, wherein:
the first end of the master-slave communication circuit is electrically connected with the fourth end of the charging control chip, and the second end of the master-slave communication circuit is electrically connected with the third end of the circuit information processing chip;
and the master-slave communication circuit is used for transmitting the target signal of the target equipment acquired by the circuit information processing chip to the charging control chip and feeding back the charging state, determined by the charging control chip, required to be reached by the target equipment to the circuit information processing chip.
In this alternative embodiment, as shown in fig. 5, fig. 5 is a schematic diagram of a master-slave communication circuit according to the present disclosure. Optionally, the master-slave communication circuit transmits the target signal acquired by the circuit information processing chip to the charging control chip, and transmits the charging state required to be achieved by the target device determined by the charging control chip to the circuit information processing chip, so that the information communication between the circuit information processing chip and the charging control chip can be realized through the master-slave communication circuit, the information transmission efficiency of transmitting the target signal from the circuit information processing chip to the charging control chip and feeding the charging state back to the circuit information processing chip can be improved, and the accuracy of information interaction between the circuit information processing chip and the charging control chip can be improved.
Therefore, the implementation of the alternative embodiment can transmit the target signal of the target device acquired by the circuit information processing chip to the charging control chip through the master-slave communication circuit, and feed back the charging state, which is determined by the charging control chip and needs to be reached by the target device, to the circuit information processing chip through the master-slave communication circuit, so that the information transmission efficiency between the circuit information processing chip and the charging control chip can be improved, and the accuracy of information interaction between the circuit information processing chip and the charging control chip can be improved.
In yet another alternative embodiment, the charging clip detection circuit includes a charging clip detection subcircuit, a charging clip output subcircuit, wherein:
the first end of the charging clip detection sub-circuit is electrically connected with the third end of the voltage detection circuit, the second end of the charging clip detection sub-circuit is electrically connected with the first end of the charging clip output sub-circuit, and the second end of the charging clip output sub-circuit is electrically connected with the fourth end of the target device;
a charging clip detection sub-circuit for detecting a voltage relationship between the target device and the voltage detection circuit;
and the charging clip output sub-circuit is used for determining the connection relation between the target equipment and the voltage detection circuit according to the voltage relation between the target equipment and the voltage detection circuit.
In this alternative embodiment, as shown in fig. 6, fig. 6 is a schematic structural diagram of a charging clip detecting sub-circuit and a charging clip outputting sub-circuit disclosed in the present utility model. The charging clamp detection sub-circuit detects a Vsense_bat signal and processes the Vsense_bat signal to obtain a charging clamp detection result, wherein the charging clamp detection result comprises a voltage relation between the target device and the voltage detection circuit, and the charging clamp detection result is transmitted to the charging clamp output sub-circuit, so that the charging clamp output sub-circuit determines a connection relation between the target device and the voltage detection circuit according to the charging clamp detection result. Further specifically, when the output of the detection result of the charging clip is rectangular wave, the connection relationship between the target device and the voltage detection circuit is that the charging clip circuit is not connected with the target device and/or the voltage detection circuit; when the output of the detection result of the charging clip is a fixed voltage value, the connection relation between the target equipment and the voltage detection circuit is that the connection is completed; when the output of the detection result of the charging clip is a preset voltage value, the connection relationship between the target device and the voltage detection circuit is that the battery is short-circuited or reversely connected, wherein the preset voltage value is 0.5V. Furthermore, when the connection relationship between the target device and the voltage detection circuit is that the battery is short-circuited or reversely connected, the charging control chip outputs a Relay output low level, the Q3 cut-off VIN, the R3, the D1 and the R19 cannot form a loop, the source electrode and the grid electrode of the Q1 cannot form a voltage difference, the Q2 is cut off, and the battery cannot be charged; conversely, the clamp is well connected, the Relay is in a high level, Q3 is conducted, a voltage difference is formed between the source electrode and the grid electrode of Q2, Q2 is conducted, and Q1 is conducted through the body diode, so that the battery is charged.
It can be seen that implementing this alternative embodiment can detect the voltage relationship between the target device and the voltage detection circuit through the charging clip detection sub-circuit, and determine the connection relationship between the target device and the voltage detection circuit according to the voltage relationship between the target device and the voltage detection circuit through the charging clip output sub-circuit, can improve the accuracy and reliability of detecting the voltage relationship between the target device and the voltage detection circuit, and can improve the accuracy and reliability of determining the connection relationship between the target device and the voltage detection circuit, so as to determine the accuracy and reliability of the target charging state of the target device based on the connection relationship between the target device and the voltage detection circuit, thereby being beneficial to improving the intelligence of charging the battery of the target device and prolonging the service life of the battery of the target device.
In yet another alternative embodiment, the lead acid battery intelligent charging apparatus further comprises an operational amplifier circuit, wherein:
the first end of the operational amplifier circuit is electrically connected with the fourth end of the voltage detection circuit, and the second end of the operational amplifier circuit is electrically connected with the fifth end of the charging control chip;
and the operational amplifier circuit is used for operational amplifying the voltage detected by the voltage detection circuit and outputting the voltage detected by the voltage detection circuit to the charging control chip in a fully differential mode.
In this alternative embodiment, as shown in fig. 7, fig. 7 is a schematic diagram of an operational amplifier circuit disclosed in the present utility model. The operational amplifier circuit is electrically connected with the voltage detection circuit and the charging control chip, outputs signals GET_D0 and GET_D1 in a fully differential mode through operational amplifier on the tested power supply signals Vsense+/Vsense-acquired by the voltage detection circuit, and outputs the output signals GET_D0 and GET_D1 to the charging control chip.
Therefore, the implementation of the alternative embodiment can output the collected power supply signals in a fully differential mode through the operational amplifier, so that the accuracy and the intelligence of the output signals can be improved, the accuracy of the charging control chip in determining the target charging state according to the battery voltage of the target equipment can be improved, and the intelligent charging of the battery of the target equipment is facilitated and the service life of the battery of the target equipment is prolonged.
In yet another alternative embodiment, as shown in fig. 2, the lead-acid battery intelligent charging device further comprises a screen drive chip, wherein:
the first end of the screen driving chip is electrically connected with the sixth end of the charging control chip, and the second end of the screen driving chip is electrically connected with the screen;
And the screen driving chip is used for generating visual charging information matched with the target charging state according to the target charging state determined by the charging control chip and displaying the visual charging information on a screen.
In this alternative embodiment, the screen driver chip may be an HT1621, and the screen for displaying visual charging information may be an LCD screen.
In this alternative embodiment, as shown in fig. 8, fig. 8 is a schematic structural diagram of a screen driving chip disclosed in the present utility model. The screen driving chip is electrically connected with the charging control chip, and the screen driving chip is electrically connected with the screen. In this way, the visualized charging information can be generated according to the target charging state through the screen driving chip, and the visualized charging information is displayed on a screen; the visualized charging information comprises one or more of charging current, battery voltage, charging stage and residual electric quantity.
Therefore, according to the implementation of the optional embodiment, the visualized charging information matched with the target charging state can be generated through the screen driving chip according to the target charging state determined by the charging control chip, and is displayed on the screen, so that convenience in checking the charging state of the target battery through the screen by a user can be improved, intuitiveness in checking the charging state of the target battery through the screen by the user can be improved, and further, use experience feeling of the user in using the intelligent charging device for the lead-acid battery can be improved.
In yet another alternative embodiment, as shown in fig. 2, the lead-acid battery intelligent charging apparatus further comprises a bluetooth module, wherein:
the first end of the Bluetooth module is electrically connected with Bluetooth equipment corresponding to the Bluetooth module, the second end of the Bluetooth module is electrically connected with the fourth end of the circuit information processing chip, and the third end of the Bluetooth module is electrically connected with the fifth end of the target equipment;
the Bluetooth module is used for receiving the target control instruction sent by the Bluetooth equipment and transmitting the target control instruction to the circuit information processing chip so that the circuit information processing chip transmits the target control instruction to the charging control chip and the charging control chip determines the charging state matched with the target control instruction;
and the Bluetooth module is also used for collecting the equipment battery information of the target equipment and displaying the equipment battery information on the Bluetooth equipment.
In this optional embodiment, optionally, the bluetooth device corresponding to the bluetooth module and the target device may be the same device, or may be different devices, which is not limited by the embodiment of the present utility model. Further alternatively, the bluetooth device may be a device including a display screen and a bluetooth function, such as a smart phone, a smart tablet computer, and the specific device type is not limited in the embodiment of the present utility model. Further optionally, when the bluetooth device is a smart phone, an application program matched with the lead-acid battery charging device is installed in the smart phone, and the battery information of the device is displayed on an interface corresponding to the application program matched with the lead-acid battery charging device in the smart phone.
In this alternative embodiment, optionally, the target control instruction is a charging control instruction for charging the target device. For example, the target control command may charge the target device for controlling the target device to a 1A current and a 5V voltage.
It can be seen that implementing this alternative embodiment can receive the target control instruction sent by the bluetooth device through the bluetooth module, and transmit the target control instruction to the circuit information processing chip, so that the circuit information processing chip transmits the target control instruction to the charging control chip, and make the charging control chip determine the charging state matched with the target control instruction, and also can collect the device battery information of the target device through the bluetooth module, display the device battery information on the bluetooth device, and determine the matched charging state through the target control instruction received by the bluetooth module, so as to improve the comprehensiveness and intelligence of determining the charging state, thereby being beneficial to improving the accuracy and reliability of determining the charging state, and improving the use experience sense of a user using the intelligent charging device of the lead-acid battery by displaying the device battery information on the bluetooth device, and further improving the intelligence and safety of charging the battery of the target device.
Example two
Referring to fig. 9, fig. 9 is a schematic structural diagram of an electronic product according to an embodiment of the present utility model, wherein the electronic product includes an intelligent charging device for a lead-acid battery according to any one of the first embodiment. The detection function realized by the electronic product comprises, but is not limited to, the battery health state and the battery charging state of the lead-acid battery can be detected in real time, and the lead-acid battery can be intelligently charged. It should be noted that, for the detailed description of the intelligent charging device for the lead-acid battery, please refer to the detailed description of the related content in the first embodiment, and the detailed description is omitted.
Therefore, implementing the electronic product described in fig. 9 can detect the battery state of the target device in real time and determine the matched target charging state, and can improve the intelligence of charging the battery of the target device, so as to improve the safety of charging the target device, and further facilitate prolonging the service life of the battery.
The above describes in detail a lead-acid battery intelligent charging device and an electronic product disclosed in the embodiments of the present utility model, and specific embodiments are applied to illustrate the principles and implementation of the present utility model, but the above preferred embodiments are not intended to limit the present utility model, and the above description of the above embodiments is only used to help understand the method and core idea of the present utility model; also, it will be apparent to those skilled in the art from this disclosure that various modifications can be made in the specific embodiments and applications without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore defined in the appended claims.
Claims (10)
1. The utility model provides a lead acid battery intelligent charging device, its characterized in that, lead acid battery intelligent charging device includes voltage detection circuit, charge control chip and steady voltage regulation loop, wherein:
the first end of the voltage detection circuit is electrically connected with the first end of the target device, the second end of the voltage detection circuit is electrically connected with the first end of the charging control chip, the second end of the charging control chip is electrically connected with the first end of the voltage stabilizing and regulating loop, and the second end of the voltage stabilizing and regulating loop is electrically connected with the second end of the target device;
the voltage detection circuit is used for detecting the battery voltage of the target equipment and feeding back the battery voltage of the target equipment to the charging control chip;
the charging control chip is used for determining a target charging state of the target equipment according to the battery voltage of the target equipment and feeding back the target charging state to the voltage stabilizing and regulating loop; the target charging state is the determined charging state required to be achieved by the target equipment, and the target charging state comprises target voltage and target current;
and the voltage stabilizing and regulating loop is used for controlling the target equipment to charge in a charging mode corresponding to the target charging state according to the target charging state.
2. The intelligent charging apparatus for a lead-acid battery according to claim 1, further comprising a circuit information processing chip, wherein:
the first end of the circuit information processing chip is electrically connected with the third end of the target device, and the second end of the circuit information processing chip is electrically connected with the third end of the charging control chip;
the circuit information processing chip is used for acquiring a target signal of the target device and executing preset processing operation on the target signal to obtain target charging information of the target device, wherein the target signal comprises a battery dynamic voltage signal of the target signal and/or a voltage drop signal of the target device; the target charging information includes one or more of a remaining capacity, a current value, a voltage value, and an internal resistance of a battery of the target device.
3. The intelligent charging apparatus for a lead-acid battery according to claim 2, further comprising a charging clip detection circuit, wherein:
the first end of the charging clip detection circuit is electrically connected with the third end of the voltage detection circuit, and the second end of the charging clip detection circuit is electrically connected with the fourth end of the target device;
The charging clip detection circuit is used for detecting the connection relation between the target equipment and the voltage detection circuit.
4. The intelligent charging apparatus of lead-acid battery of claim 3, wherein the voltage regulation loop comprises a current regulation circuit and a voltage regulation circuit, wherein:
the first end of the current regulating circuit is electrically connected with the second end of the charging control chip, the second end of the current regulating circuit is electrically connected with the first end of the voltage regulating circuit, and the second end of the voltage regulating circuit is electrically connected with the second end of the target equipment;
the current regulating circuit is used for regulating the charging current of the target equipment so as to enable the charging current of the target equipment to be matched with the target current;
the voltage regulating circuit is used for regulating the charging voltage of the target equipment and stabilizing the charging voltage of the target equipment so as to enable the charging voltage of the target equipment to be matched with the target voltage.
5. The intelligent charging apparatus for a lead-acid battery according to claim 4, further comprising a master-slave communication circuit, wherein:
The first end of the master-slave communication circuit is electrically connected with the fourth end of the charging control chip, and the second end of the master-slave communication circuit is electrically connected with the third end of the circuit information processing chip;
and the master-slave communication circuit is used for transmitting the target signal of the target equipment acquired by the circuit information processing chip to the charging control chip and feeding back the charging state, determined by the charging control chip, required to be reached by the target equipment to the circuit information processing chip.
6. The intelligent charging apparatus of claim 5, wherein the charging clip detection circuit comprises a charging clip detection subcircuit, a charging clip output subcircuit, wherein:
the first end of the charging clip detection sub-circuit is electrically connected with the third end of the voltage detection circuit, the second end of the charging clip detection sub-circuit is electrically connected with the first end of the charging clip output sub-circuit, and the second end of the charging clip output sub-circuit is electrically connected with the fourth end of the target device;
the charging clip detection subcircuit is used for detecting the voltage relation between the target equipment and the voltage detection circuit;
And the charging clip output sub-circuit is used for determining the connection relation between the target equipment and the voltage detection circuit according to the voltage relation between the target equipment and the voltage detection circuit.
7. The intelligent charging apparatus for a lead-acid battery according to claim 6, further comprising an op-amp circuit, wherein:
the first end of the operational amplifier circuit is electrically connected with the fourth end of the voltage detection circuit, and the second end of the operational amplifier circuit is electrically connected with the fifth end of the charging control chip;
the operational amplifier circuit is used for operational amplifying the voltage detected by the voltage detection circuit and outputting the voltage detected by the voltage detection circuit to the charging control chip in a fully differential mode.
8. The intelligent charging apparatus of a lead-acid battery of claim 7, further comprising a screen drive chip, wherein:
the first end of the screen driving chip is electrically connected with the sixth end of the charging control chip, and the second end of the screen driving chip is electrically connected with the screen;
the screen driving chip is used for generating visual charging information matched with the target charging state according to the target charging state determined by the charging control chip and displaying the visual charging information on the screen.
9. The intelligent charging apparatus for a lead-acid battery according to claim 8, further comprising a bluetooth module, wherein:
the first end of the Bluetooth module is electrically connected with Bluetooth equipment corresponding to the Bluetooth module, the second end of the Bluetooth module is electrically connected with the fourth end of the circuit information processing chip, and the third end of the Bluetooth module is electrically connected with the fifth end of the target equipment;
the Bluetooth module is used for receiving a target control instruction sent by the Bluetooth device and transmitting the target control instruction to the circuit information processing chip so that the circuit information processing chip transmits the target control instruction to the charging control chip and the charging control chip determines a charging state matched with the target control instruction;
the Bluetooth module is also used for collecting the device battery information of the target device and displaying the device battery information on the Bluetooth device.
10. An electronic product, characterized in that it comprises the intelligent charging device for lead-acid batteries according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028511.9U CN219960146U (en) | 2023-01-04 | 2023-01-04 | Intelligent charging device for lead-acid battery and electronic product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028511.9U CN219960146U (en) | 2023-01-04 | 2023-01-04 | Intelligent charging device for lead-acid battery and electronic product |
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| CN219960146U true CN219960146U (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320028511.9U Active CN219960146U (en) | 2023-01-04 | 2023-01-04 | Intelligent charging device for lead-acid battery and electronic product |
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| Country | Link |
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| CN (1) | CN219960146U (en) |
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- 2023-01-04 CN CN202320028511.9U patent/CN219960146U/en active Active
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