CN211239375U - Back splint power supply - Google Patents
Back splint power supply Download PDFInfo
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- CN211239375U CN211239375U CN201922166934.3U CN201922166934U CN211239375U CN 211239375 U CN211239375 U CN 211239375U CN 201922166934 U CN201922166934 U CN 201922166934U CN 211239375 U CN211239375 U CN 211239375U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 31
- 238000005070 sampling Methods 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The embodiment of the utility model discloses back splint power, back splint power include main function circuit board and rechargeable battery, and the main function circuit board includes: the charging management system comprises a first interface, a second interface, a voltage boosting and reducing unit, a control unit and a charging management unit, wherein the first interface is respectively connected with the second interface and the control unit; when the first interface is connected with the first terminal equipment and the second interface is connected with the second terminal equipment, data transmission between the first terminal equipment and the second terminal equipment is carried out through the first interface and the second interface according to an operation instruction of the first terminal equipment or the second terminal equipment; the voltage boosting and reducing unit is respectively connected with the control unit, the rechargeable battery and the first interface; the charging management unit is connected with the second interface, the rechargeable battery and the control unit respectively. Through the utility model discloses a back splint power need not reuse the data line in addition, can realize two terminal equipment's connection, convenient operation.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a back splint power.
Background
The back splint power supply can be when lid behind the cell-phone, can be as the portable power source that charges for the cell-phone again, when using, only needs insert the back splint power to the cell-phone for the cell-phone card is in the inner chamber of back splint power, with the interface connection that corresponds, and it can realize charging to charge to carry out the trigger operation that charges, has convenient to use, and portable's characteristics. However, when the mobile phone is plugged into the back-clip power supply, if the mobile phone and the computer need to be used for data transmission (such as uploading photos or videos), the mobile phone needs to be pulled out from the back-clip power supply, which is very troublesome.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a need the problem of taking out the cell-phone from the back splint power when carrying out data mutual transmission between to above-mentioned two terminal equipment, provide a back splint power.
The embodiment of the utility model provides a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a back splint power, back splint power includes casing, main function circuit board and rechargeable battery, just main function circuit board and rechargeable battery set up the inner chamber of casing, main function circuit board includes: the charging management system comprises a first interface used for being connected with first terminal equipment, a second interface used for being connected with second terminal equipment or an external power supply, a voltage boosting and reducing unit, a control unit and a charging management unit, wherein the first interface is respectively connected with the second interface and the control unit; when the first interface is connected with first terminal equipment and the second interface is connected with second terminal equipment, data transmission between the first terminal equipment and the second terminal equipment is carried out through the first interface and the second interface according to an operation instruction of the first terminal equipment or the second terminal equipment;
the voltage boosting and reducing unit is respectively connected with the control unit, the rechargeable battery and the first interface, and outputs charging voltage to the first interface when the control unit confirms that the first interface is connected with first terminal equipment;
the charging management unit is connected with the second interface, the rechargeable battery and the control unit respectively, and outputs the charging voltage from the second interface to the rechargeable battery after current and voltage limiting.
Preferably, an equipment identification end of the control unit is connected with an equipment identification pin of the first interface, a first input/output end of the control unit is connected with an enabling end of the buck-boost unit, and the control unit outputs an enabling signal to the enabling end of the buck-boost unit when the equipment identification end is valid information;
the positive electrode of the rechargeable battery is connected with the positive electrode of the first interface through the voltage boosting and reducing unit, and the voltage boosting and reducing unit converts the voltage of the rechargeable battery into charging voltage and outputs the charging voltage to the positive electrode of the first interface when the enabling end receives an enabling signal.
Preferably, the input end of the charging management unit is connected with the electric quantity input pin of the second interface, the first output end is connected with the anode of the rechargeable battery, the second output end is connected with the anode of the first interface, the enabling end is connected with the second input/output end of the control unit, the control unit detects that the second interface is connected with an external power supply, the control unit sends an enabling signal to the charging management unit, and the enabling end of the charging management unit respectively outputs charging voltage through the first output end and the second output end when receiving the enabling signal.
Preferably, the main function circuit board further comprises a voltage stabilizing unit, an input end of the voltage stabilizing unit is connected with the anode of the rechargeable battery, and an output end of the voltage stabilizing unit is connected with a power supply end of the control unit.
Preferably, the main function circuit board further includes a battery protection unit, and the battery protection unit is connected to a positive electrode of the rechargeable battery.
Preferably, the main function circuit board further comprises a fuel gauge unit and a sampling unit, wherein the input end of the sampling unit is connected with the positive electrode of the rechargeable battery, and the output end of the sampling unit is connected with the fuel gauge unit so as to sample the voltage and the current of the rechargeable battery in real time and transmit the voltage and the current to the fuel gauge unit; the output end of the electricity meter unit is connected with the third input and output end of the control unit, the first interface is connected with the first terminal equipment, and when the first terminal equipment sends out an electricity quantity inquiry command, the control unit sends the electricity quantity inquiry command to the electricity meter unit, so that the electricity meter unit calculates the electricity quantity of the rechargeable battery according to the voltage value and the current value acquired by the sampling unit in real time, and the electricity meter unit transmits the electricity quantity to the first terminal equipment through the control unit and the first interface.
Preferably, the main function circuit board still includes temperature detecting element, temperature detecting element sets up rechargeable battery is last, and with the fourth input/output end of control unit connects, in order to right after the temperature of rechargeable battery carries out real-time sampling, the transmission gives control unit, and first interface with first terminal equipment connects, just first terminal equipment sends the temperature inquiry instruction and gives during the control unit, through the control unit reads temperature value of temperature detecting element, and through first interface transmits first terminal equipment.
Preferably, the main function circuit board further comprises a display unit and a mode switching unit, the display unit is connected with a fifth input/output port of the control unit, the mode switching unit is connected with a sixth input/output port of the control unit, and when the mode switching unit sends a display instruction to the control unit, the sampled temperature of the rechargeable battery and/or the sampled electric quantity of the rechargeable battery are/is transmitted to the display unit for display.
Preferably, the back splint power supply further comprises a high-frequency antenna, and the high-frequency antenna is arranged at the top of the inner cavity of the shell.
The embodiment of the utility model provides a back splint power is through first interface and second interface connection to be connected at first interface and first terminal equipment, when the second interface is connected with second terminal equipment, carry out data transmission according to first terminal equipment or second terminal equipment's operating instruction, need not reuse the data line in addition and connect two terminal equipment, convenient operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a block diagram of a main functional circuit board of a back-clip power supply according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a back splint power supply according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a block diagram of a main function circuit board of a back splint power supply, the back splint power supply includes a casing, a main function circuit board and a rechargeable battery, and the main function circuit board and the rechargeable battery are disposed in an inner cavity of the casing, and the main function circuit board includes: the charging management system comprises a first interface 10 for connecting a first terminal device, a second interface 20 for connecting a second terminal device or an external power supply, a voltage boosting and reducing unit 60, a control unit 30 and a charging management unit 40, wherein the first interface 10 and the second interface 20 are respectively connected with the control unit 30; when the first interface 10 is connected to a first terminal device and the second interface 20 is connected to a second terminal device, data transmission between the first terminal device and the second terminal device is performed through the first interface 10 and the second interface 20 according to an operation instruction of the first terminal device or the second terminal device.
The first interface 10 is connected to the control unit 30, and when the first interface 10 is connected to a first terminal device, the control unit 30 identifies whether the first terminal device is connected, and when the second interface 20 is connected to a second terminal device, the first interface 10 identifies whether the second terminal device is connected. The first terminal device may be a mobile phone, a tablet computer, etc., the second terminal device may be a computer, etc., and taking the first terminal device as a mobile phone and the second terminal device as a computer as an example, when the first interface 10 of the back clip power supply is connected with the mobile phone and the second interface 20 is connected with the computer, a data transmission function may be triggered through a client of the mobile phone or the computer, so as to perform data transmission between the mobile phone and the computer.
The voltage step-up/step-down unit 60 is connected to the control unit 30, the rechargeable battery 50, and the first interface 10, respectively, and outputs a charging voltage to the first interface 10 when the control unit 30 confirms that the first terminal device is connected to the first interface 10. The voltage reducing unit is mainly used for reducing or increasing the voltage from the rechargeable battery 50 through the first interface 10 when the rechargeable battery 50 charges the terminal device, so that the output power of the rechargeable battery 50 meets the receiving power of the first terminal device, and the first terminal device is charged.
The charging management unit 40 is connected to the second interface 20 and the rechargeable battery 50, and outputs the charging voltage from the second interface 20 to the rechargeable battery 50 after limiting the current and voltage. When the second interface 20 is connected to the external power source, the voltage and current are input through the second interface 20 and output to the rechargeable battery 50 through the charge management unit 40 to charge the rechargeable battery 50. Of course, in order to manage charging and discharging of the rechargeable battery 50, the control unit 30 may be connected to an enable terminal of the charging management unit 40, and the control unit 30 may recognize a charging or discharging command, so that the control unit 30 outputs an enable signal according to the command, and the charging management unit 40 controls charging and discharging of the rechargeable battery 50 according to the presence or absence of the enable signal.
The back splint power supply is connected with the second interface 20 through the first interface 10, and when the first interface 10 is connected with the first terminal equipment and the second interface 20 is connected with the second terminal equipment, data transmission is carried out according to the operation instruction of the first terminal equipment or the second terminal equipment, and the two terminal equipments do not need to be connected through an additional data line, so that the operation is convenient.
Specifically, in order to charge the first terminal device, the device identification terminal of the control unit 30 is connected to the device identification pin (DET2) of the first interface 10, the first input/output terminal of the control unit 30 is connected to the enable terminal of the buck-boost unit 60, and the control unit 30 outputs an enable signal to the enable terminal of the buck-boost unit 60 when the device identification terminal is valid information.
The positive electrode of the rechargeable battery 50 is connected to the positive electrode of the first interface 10 through the voltage step-up/step-down unit 60, and when the enable terminal receives the enable signal, the voltage step-up/step-down unit 60 converts the voltage of the rechargeable battery 50 into a charging voltage and outputs the charging voltage to the positive electrode of the first interface 10.
As shown in fig. 2, the first interface 10 and the second interface 20 may include a plurality of pins, when the first terminal device is connected to the first interface 10, the device identification pin (DET2) of the first interface 10 is connected to the device identification terminal of the control unit 30, and the level of the device identification pin is pulled high, so that the device identification terminal of the control unit 30 is also at a high level (i.e., is valid information), and at this time, the control unit 30 outputs an enable signal to the enable terminal of the voltage step-up/step-down unit 60. When the voltage step-up/step-down unit 60 receives the enable signal, the current of the rechargeable battery 50 is output from the positive electrode, and the voltage output by the rechargeable battery 50 is stepped up or stepped down by the voltage step-up/step-down unit 60, so that the voltage output by the voltage step-up/step-down unit 60 is converted into the charging voltage of the first terminal device, thereby charging the first terminal device.
In order to charge the rechargeable battery 50, the input terminal of the charging management unit 40 is connected to the power input pin (Vin) of the second interface 20, the first output terminal is connected to the positive electrode of the rechargeable battery 50, the second output terminal is connected to the positive electrode of the first interface 10, the enable terminal is connected to the second input/output terminal of the control unit 30, the control unit 30 sends an enable signal to the charging management unit 40 when detecting that the second interface 20 is connected to the external power source, and the enable terminal of the charging management unit 40 outputs the charging voltage through the first output terminal and the second output terminal when receiving the enable signal.
The charge management unit 40 is mainly used for managing charging and discharging of the rechargeable battery 50. When the second interface 20 is connected to the external power supply, the control unit 30 sends an enable signal to the charge management unit 40, and the external power supply charges (i.e., outputs a charging voltage) the rechargeable battery 50 through the charge management unit 40.
In another embodiment of the present invention, the main function circuit board may further include a voltage stabilizing unit 70, wherein an input end of the voltage stabilizing unit 70 is connected to the positive electrode of the rechargeable battery 50, and an output end of the voltage stabilizing unit 70 is connected to the power supply end of the control unit 30. The voltage regulation unit 70 is mainly used for regulating the voltage output by the rechargeable battery 50 to supply power to the control unit 30.
The main function circuit board may further include a battery protection unit connected to the positive electrode of the rechargeable battery 50 in order to discharge protect the rechargeable battery 50.
In order to manage the rechargeable battery 50, the main function circuit board further comprises a fuel gauge unit 80 and a sampling unit 90, wherein an input end of the sampling unit 90 is connected with a positive electrode of the rechargeable battery 50, and an output end of the sampling unit 90 is connected with the fuel gauge unit 80, so that the voltage and the current of the rechargeable battery 50 can be sampled in real time and transmitted to the fuel gauge unit 80; the output end of the electricity meter unit 80 is connected with the third input and output end of the control unit 30, the first interface 10 is connected with the first terminal device, and when the first terminal device sends out an electricity quantity inquiry command, the electricity quantity inquiry command is sent to the electricity meter unit 80 through the control unit 30, so that the electricity meter unit 80 calculates the electricity quantity of the rechargeable battery 50 according to the voltage value and the current value acquired by the sampling unit 90 in real time, and the electricity quantity is transmitted to the first terminal device through the control unit 30 and the first interface 10.
The above-described electricity meter unit 80 is mainly used for performing calculation of the battery level, the number of times the battery remains chargeable, and the like. The sampling unit 90 is configured to sample voltage and/or current, transmit the sampled voltage value and current value to the electricity meter unit 80 through the control unit 30, and when the first terminal device checks the state of the rechargeable battery 50, the first terminal device sends an electricity quantity inquiry command to the control unit 30, and after receiving the command, the control unit 30 transmits the electricity quantity inquiry command to the electricity meter unit 80, and enable the electricity meter unit 80 to calculate the electricity quantity (or remaining electricity quantity) of the rechargeable battery 50 according to the voltage value and current value sampled by the sampling unit, and feed back the calculation result to the first terminal device through the control unit and the first interface 10.
In order to manage the temperature of the rechargeable battery 50, the main function circuit board may further include a temperature detection unit 100, the temperature detection unit 100 is disposed on the rechargeable battery 50 and connected to a fourth input/output end of the control unit 30 to sample the temperature of the rechargeable battery 50 and store a sampled temperature value in the fuel gauge unit 80, and when the first interface 10 is connected to the first terminal device and the first terminal device sends an information query instruction to the control unit 30, the temperature value is read by the control unit 30 and transmitted to the first terminal device through the first interface 10.
In the back clip power supply, the main function circuit board further includes a display unit 110 and a mode switching unit 120, the display unit 110 is connected to a fifth input/output port of the control unit 30, the mode switching unit 120 is connected to a sixth input/output port of the control unit 30, and when the mode switching unit 120 sends a display instruction to the control unit 30, the sampled temperature of the rechargeable battery 50 and/or the sampled electric quantity of the rechargeable battery 50 is transmitted to the display unit 110 for display.
The display unit 110 may be a led digital display module or a display screen, and the mode switching unit 120 may be a key module or a touch screen (or touch pad) for switching the display state or charge/discharge state of the back clip power supply, for example, the temperature of the rechargeable battery can be displayed on the display unit by pressing a key. Of course, the display unit may also be used to display the voltage and/or current of the back splint power supply when it is currently charged or discharged, and the remaining time, power and/or cycle number of charging and discharging.
In addition, since the back splint power supply includes many electronic components, it is easy to weaken the strength of the signal transmitted and received by the first terminal device, and in order to solve this problem, the back splint power supply further includes a high frequency antenna, and the high frequency antenna is disposed at the top of the inner cavity of the housing. The back splint power supply transmits and receives signals of a base station by arranging the high-frequency antenna at the top of the inner cavity so as to increase the strength of the transmitted and received signals of the first terminal equipment.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (9)
1. A back splint power, back splint power includes casing, main function circuit board and rechargeable battery, just main function circuit board and rechargeable battery set up the inner chamber of casing, its characterized in that, main function circuit board includes: the charging management system comprises a first interface used for being connected with first terminal equipment, a second interface used for being connected with second terminal equipment or an external power supply, a voltage boosting and reducing unit, a control unit and a charging management unit, wherein the first interface is respectively connected with the second interface and the control unit; when the first interface is connected with first terminal equipment and the second interface is connected with second terminal equipment, data transmission between the first terminal equipment and the second terminal equipment is carried out through the first interface and the second interface according to an operation instruction of the first terminal equipment or the second terminal equipment;
the voltage boosting and reducing unit is respectively connected with the control unit, the rechargeable battery and the first interface, and outputs charging voltage to the first interface when the control unit confirms that the first interface is connected with first terminal equipment;
the charging management unit is connected with the second interface, the rechargeable battery and the control unit respectively, and outputs the charging voltage from the second interface to the rechargeable battery after current and voltage limiting.
2. The back-clip power supply of claim 1, wherein the device identification terminal of the control unit is connected to the device identification pin of the first interface, the first input/output terminal of the control unit is connected to the enable terminal of the buck-boost unit, and the control unit outputs an enable signal to the enable terminal of the buck-boost unit when the device identification terminal is valid;
the positive electrode of the rechargeable battery is connected with the positive electrode of the first interface through the voltage boosting and reducing unit, and the voltage boosting and reducing unit converts the voltage of the rechargeable battery into charging voltage and outputs the charging voltage to the positive electrode of the first interface when the enabling end receives an enabling signal.
3. The clip power supply of claim 1, wherein the input terminal of the charging management unit is connected to the power input pin of the second interface, the first output terminal is connected to the positive terminal of the rechargeable battery, the second output terminal is connected to the positive terminal of the first interface, the enable terminal is connected to the second input/output terminal of the control unit, and the control unit sends an enable signal to the charging management unit when detecting that the second interface is connected to the external power supply, and the enable terminal of the charging management unit outputs the charging voltage through the first output terminal and the second output terminal when receiving the enable signal.
4. The clip-backed power supply of claim 1, wherein the main function circuit board further comprises a voltage stabilizing unit, and an input terminal of the voltage stabilizing unit is connected to a positive electrode of the rechargeable battery, and an output terminal thereof is connected to a power supply terminal of the control unit.
5. The clip-back power supply of claim 1, wherein the main functional circuit board further comprises a battery protection unit, and the battery protection unit is connected to a positive electrode of the rechargeable battery.
6. The clip power supply of claim 1, wherein the main function circuit board further comprises a fuel gauge unit and a sampling unit, and an input terminal of the sampling unit is connected to a positive electrode of the rechargeable battery, and an output terminal of the sampling unit is connected to the fuel gauge unit, so as to sample voltage and current of the rechargeable battery in real time and transmit them to the fuel gauge unit; the output end of the electricity meter unit is connected with the third input and output end of the control unit, the first interface is connected with the first terminal equipment, and when the first terminal equipment sends out an electricity quantity inquiry command, the control unit sends the electricity quantity inquiry command to the electricity meter unit, so that the electricity meter unit calculates the electricity quantity of the rechargeable battery according to the voltage value and the current value acquired by the sampling unit in real time, and the electricity meter unit transmits the electricity quantity to the first terminal equipment through the control unit and the first interface.
7. The back-clip power supply of claim 6, wherein the main function circuit board further comprises a temperature detection unit, the temperature detection unit is disposed on the rechargeable battery and connected to a fourth input/output end of the control unit, so as to sample the temperature of the rechargeable battery in real time, transmit the sampled temperature to the control unit, and read the temperature value of the temperature detection unit through the control unit and transmit the temperature value to the first terminal device through the first interface when the first interface is connected to the first terminal device and the first terminal device sends a temperature query command to the control unit.
8. The back-clip power supply of claim 7, wherein the main function circuit board further comprises a display unit and a mode switching unit, the display unit is connected to a fifth input/output end of the control unit, the mode switching unit is connected to a sixth input/output end of the control unit, and when the mode switching unit sends a display command to the control unit, the sampled temperature of the rechargeable battery and/or the sampled electric quantity of the rechargeable battery is transmitted to the display unit for display.
9. The back clip power supply of claim 1, further comprising a high frequency antenna disposed at the top of the interior cavity of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166934.3U CN211239375U (en) | 2019-12-06 | 2019-12-06 | Back splint power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166934.3U CN211239375U (en) | 2019-12-06 | 2019-12-06 | Back splint power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211239375U true CN211239375U (en) | 2020-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922166934.3U Active CN211239375U (en) | 2019-12-06 | 2019-12-06 | Back splint power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211239375U (en) |
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2019
- 2019-12-06 CN CN201922166934.3U patent/CN211239375U/en active Active
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