CN215419622U - Bluetooth intelligent battery control circuit - Google Patents
Bluetooth intelligent battery control circuit Download PDFInfo
- Publication number
- CN215419622U CN215419622U CN202120057336.7U CN202120057336U CN215419622U CN 215419622 U CN215419622 U CN 215419622U CN 202120057336 U CN202120057336 U CN 202120057336U CN 215419622 U CN215419622 U CN 215419622U
- Authority
- CN
- China
- Prior art keywords
- electric quantity
- circuit
- controller
- detection circuit
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a Bluetooth intelligent battery control circuit, which comprises a power supply circuit, a controller, a Bluetooth module and a battery detection unit, wherein the battery detection unit comprises an electric quantity detection circuit and a temperature detection circuit; the input end of the power supply circuit is connected with the lithium battery; the output end of the power supply circuit is connected with the controller, the Bluetooth module and the battery detection unit, and the Bluetooth module is connected with the controller; the detection ends of the electric quantity detection circuit and the temperature detection circuit are connected to the output end of the lithium battery, and the output ends of the electric quantity detection circuit and the temperature detection circuit are connected with the controller; electric quantity and temperature information of the lithium battery are detected through the electric quantity detection circuit and the temperature detection circuit, and the electric quantity and the temperature information are forwarded to the Bluetooth module through the controller, so that the electric quantity and the battery temperature can be reminded in a Bluetooth mode by the household appliance which cannot display the electric quantity due to cost and volume limitation.
Description
Technical Field
The utility model relates to the technical field of Bluetooth, in particular to a Bluetooth intelligent battery control circuit.
Background
Inside all being equipped with the lithium cell of many present domestic appliance, like razor, electric toothbrush etc. but because cost and electrical apparatus volume restriction, these domestic appliance do not all set up the display screen that can show the electric quantity, lead to often just discovering the battery electric quantity not enough when needing to use in the use, go to charge again this moment and will delay the live time.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a bluetooth smart battery control circuit, which can send the electric quantity of a household appliance to a mobile phone of a user through bluetooth to prompt charging.
The Bluetooth intelligent battery control circuit comprises a power supply circuit, a controller, a Bluetooth module and a battery detection unit, wherein the battery detection unit comprises an electric quantity detection circuit and a temperature detection circuit; the input end of the power supply circuit is connected with the lithium battery; the output end of the power supply circuit is connected with the controller, the Bluetooth module and the battery detection unit, and the Bluetooth module is connected with the controller; the detection ends of the electric quantity detection circuit and the temperature detection circuit are connected to the output end of the lithium battery, and the output ends of the electric quantity detection circuit and the temperature detection circuit are connected with the controller.
Further, the controller is an 89C51 singlechip, and a clock circuit is arranged on a clock pin of the 89C51 singlechip.
Furthermore, the power supply circuit comprises a charging management chip and a voltage stabilizer, wherein the model of the charging management chip is TC4056A, the charging management chip is externally connected with an external power supply, and the lithium battery is arranged at the output end of the charging management chip; the model of stabiliser is ME6211, and the input of stabiliser is connected with the output of lithium cell, the output of stabiliser with controller and bluetooth module's power input end are connected.
Furthermore, the Bluetooth module is E104-BT02 in type and is connected with the serial port of the 89C51 single chip microcomputer.
Further, electric quantity detection circuitry includes electric quantity measurement chip DS2781, and the voltage detection input pin of electric quantity measurement chip is connected with the output of lithium cell, the data output part of electric quantity measurement chip with the IO pin of 89C51 singlechip is connected.
Further, the temperature detection circuit comprises a thermistor and a voltage division resistor; one end of the thermistor is grounded after being connected with the divider resistor in series, the other end of the thermistor is connected with the output end of the voltage stabilizer, and one IO pin of the 89C51 singlechip, which has an AD conversion function, is connected between the thermistor and the divider resistor.
The utility model has the beneficial effects that: according to the Bluetooth intelligent battery control circuit, the electric quantity and temperature information of the lithium battery are detected through the electric quantity detection circuit and the temperature detection circuit and are forwarded to the Bluetooth module through the controller, so that the electric quantity and temperature information is transmitted to a mobile phone of a user through Bluetooth, and therefore household appliances which cannot display the electric quantity due to cost and volume limitations can remind the electric quantity and the battery temperature in a Bluetooth mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from the drawings without inventive effort:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic diagram of a Bluetooth module and controller according to the present invention;
FIG. 3 is a schematic structural diagram of a charging management chip according to the present invention;
FIG. 4 is a schematic diagram of an electrical quantity detection circuit according to the present invention;
fig. 5 is a schematic diagram of a voltage regulator according to the present invention.
Detailed Description
As shown in fig. 1-5: the Bluetooth intelligent battery control circuit comprises a power supply circuit, a controller, a Bluetooth module and a battery detection unit, wherein the battery detection unit comprises an electric quantity detection circuit and a temperature detection circuit; the input end of the power supply circuit is connected with the lithium battery; the output end of the power supply circuit is connected with the controller, the Bluetooth module and the battery detection unit, and the Bluetooth module is connected with the controller; the detection ends of the electric quantity detection circuit and the temperature detection circuit are connected to the output end of the lithium battery, and the output ends of the electric quantity detection circuit and the temperature detection circuit are connected with the controller.
According to the Bluetooth intelligent battery control circuit, power is directly supplied by the lithium battery and the power supply circuit, the electric quantity and temperature information of the lithium battery is detected through the electric quantity detection circuit and the temperature detection circuit and is forwarded to the Bluetooth module through the controller, so that the electric quantity and temperature information is transmitted to a mobile phone of a user through Bluetooth, and therefore household appliances which cannot display the electric quantity due to cost and volume limitations can remind the electric quantity and the battery temperature in a Bluetooth mode.
In this embodiment, the controller is the 89C51 singlechip, is equipped with clock circuit on the clock pin of 89C51 singlechip, and clock circuit comprises crystal oscillator and electric capacity, and clock circuit is used for providing timing signal, and the 89C51 singlechip is regularly awaken up and data forwarding to bluetooth module to avoid 89C51 singlechip and bluetooth module to consume too much electric quantity.
In this embodiment, the power supply circuit includes a charging management chip and a voltage stabilizer, the model of the charging management chip is TC4056A, the charging management chip is externally connected with an external power supply, the positive electrode of the lithium battery is connected with the output terminal BAT of the charging management chip, the negative electrode of the lithium battery is connected with the temperature detection input terminal TEMP of the charging management chip, and other peripheral circuits are arranged according to the typical application circuit of TC4056A, and because the charging circuit based on TC4056A is relatively existing, it is not described again; the model of stabiliser is ME6211, and the input of stabiliser is connected with the output of lithium cell, and the voltage of 3.7V is exported to the lithium cell, through the steady voltage of stabiliser and step-down output, and the output of stabiliser exports 3.3V's stable DC power supply to 89C51 singlechip and bluetooth module's power input end.
In this embodiment, the model of the bluetooth module is E104-BT02, the bluetooth module is connected with the UART serial port of the 89C51 single chip microcomputer, the serial port input, the serial port output, the awakening, the mode configuration and other ports of the bluetooth module are respectively connected with the IO pin of the 89C51 single chip microcomputer, and the 89C51 single chip microcomputer controls the working mode, the awakening, the data output and other functions of the bluetooth module through the IO pin.
In this embodiment, the electric quantity detection circuit includes electric quantity measurement chip DS2781, and electric quantity measurement chip's voltage detection input pin vin is connected with the output of lithium cell, and electric quantity measurement chip's data output end DQ is connected with the IO pin of 89C51 singlechip, communicates through the mode of 1-WIRE bus.
In this embodiment, the temperature detection circuit includes a thermistor and a voltage dividing resistor; thermistor and divider resistance one end ground connection after establishing ties, the other end is connected with the output of stabiliser, one of them IO pin that has AD conversion function of 89C51 singlechip is connected to between thermistor and the divider resistance, though can detect battery temperature through the charge management chip, but can't carry out the data butt joint with 89C51, consequently additionally set up a temperature detection circuit who comprises thermistor and divider resistance, detect battery temperature and quantization send to 89C51 singlechip, transmit through bluetooth module.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. Bluetooth intelligence battery control circuit, its characterized in that: the Bluetooth wireless power supply device comprises a power supply circuit, a controller, a Bluetooth module and a battery detection unit, wherein the battery detection unit comprises an electric quantity detection circuit and a temperature detection circuit; the input end of the power supply circuit is connected with the lithium battery; the output end of the power supply circuit is connected with the controller, the Bluetooth module and the battery detection unit, and the Bluetooth module is connected with the controller; the detection ends of the electric quantity detection circuit and the temperature detection circuit are connected to the output end of the lithium battery, and the output ends of the electric quantity detection circuit and the temperature detection circuit are connected with the controller; the power supply circuit comprises a charging management chip and a voltage stabilizer, wherein the model of the charging management chip is TC4056A, the charging management chip is externally connected with an external power supply, and a lithium battery is arranged at the output end of the charging management chip; the model of stabiliser is ME6211, and the input of stabiliser is connected with the output of lithium cell, the output of stabiliser with controller and bluetooth module's power input end are connected.
2. The bluetooth smart battery control circuit of claim 1, wherein: the controller is an 89C51 singlechip, and a clock circuit is arranged on a clock pin of the 89C51 singlechip.
3. The bluetooth smart battery control circuit of claim 2, wherein: the Bluetooth module is E104-BT02 in model, and is connected with the serial port of the 89C51 singlechip.
4. The bluetooth smart battery control circuit of claim 2, wherein: electric quantity detection circuitry includes electric quantity measurement chip DS2781, and the voltage detection of electric quantity measurement chip inputs the pin and is connected with the output of lithium cell, the data output part of electric quantity measurement chip with the IO pin of 89C51 singlechip is connected.
5. The bluetooth smart battery control circuit of claim 2, wherein: the temperature detection circuit comprises a thermistor and a divider resistor; one end of the thermistor is grounded after being connected with the divider resistor in series, the other end of the thermistor is connected with the output end of the voltage stabilizer, and one IO pin of the 89C51 singlechip, which has an AD conversion function, is connected between the thermistor and the divider resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057336.7U CN215419622U (en) | 2021-01-11 | 2021-01-11 | Bluetooth intelligent battery control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057336.7U CN215419622U (en) | 2021-01-11 | 2021-01-11 | Bluetooth intelligent battery control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215419622U true CN215419622U (en) | 2022-01-04 |
Family
ID=79661040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120057336.7U Active CN215419622U (en) | 2021-01-11 | 2021-01-11 | Bluetooth intelligent battery control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215419622U (en) |
-
2021
- 2021-01-11 CN CN202120057336.7U patent/CN215419622U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203597405U (en) | Intelligent electronic cigarette with wireless Bluetooth low-power-consumption connecting communication function | |
| CN104242385A (en) | Battery pack, charger, charging system, discharging device and discharging system | |
| CN104734281A (en) | Wearable portable power source and power supply control method thereof | |
| CN111756086B (en) | Power bridging device and bridging method using mobile robot battery | |
| CN108242824A (en) | A kind of USB safe chargings monitoring for protection instrument | |
| CN211627772U (en) | Small-size aluminium air battery monitored control system | |
| CN215419622U (en) | Bluetooth intelligent battery control circuit | |
| CN211653439U (en) | Key awakening circuit and electronic equipment | |
| CN204121438U (en) | A kind of medicine bottle/box device of reminding function | |
| CN207037754U (en) | Multimedia intelligent biological identification attendance device | |
| CN110729788A (en) | Power supply control method, system and equipment | |
| CN113687711B (en) | Terminal wake-up circuit and wake-up method | |
| CN206259869U (en) | Temperature measuring equipment and electromagnetic heater | |
| CN112448448B (en) | Charging control method, device, earphone, electronic device and readable storage medium | |
| CN107171414A (en) | A kind of battery management system of low-power consumption | |
| CN212627243U (en) | Take portable power source of pressure measurement function | |
| CN212965358U (en) | Broken line detection circuit with load access automatic wake-up function and power bank | |
| CN204858641U (en) | Charger data line and charger | |
| CN116964892A (en) | Comprehensive determination of remaining charge of mobile power supply | |
| CN210402692U (en) | Voice touch remote controller with charging management function | |
| CN208571721U (en) | A kind of wireless charge-discharge system of mobile power source | |
| CN201804033U (en) | Electric energy fee counter | |
| CN202916420U (en) | Electric quantity detecting circuit of mobile power supply | |
| CN216451176U (en) | Switching control device of mobile power supply and mobile power supply | |
| CN215601055U (en) | Wireless sensing node device triggered by wireless charging technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |