CN218940732U - Power supply and electronic equipment - Google Patents
Power supply and electronic equipment Download PDFInfo
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- CN218940732U CN218940732U CN202223303534.0U CN202223303534U CN218940732U CN 218940732 U CN218940732 U CN 218940732U CN 202223303534 U CN202223303534 U CN 202223303534U CN 218940732 U CN218940732 U CN 218940732U
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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 relates to a power supply and electronic equipment, wherein the power supply comprises a plurality of batteries, a switching module, a first output end, a second output end, a control module, a power management module and a charging interface; each battery is connected in parallel; the control module is electrically connected with the switching module, and the switching module is electrically connected with each battery respectively; the control module is used for controlling the switching module to work so as to selectively electrically connect the positive electrode of each battery with the first output end and the negative electrode of each battery with the second output end; the power management module is respectively and electrically connected with the first output end, the second output end and the control module, so that a battery with an anode electrically connected with the first output end and a cathode electrically connected with the second output end can supply power to the control module; the charging interface is electrically connected with the power management module. In the utility model, when one of the batteries cannot normally supply power to the outside due to factors such as damage, the other batteries can be switched and selected by the switching module to be electrically connected with the first output end and the second output end, so that the power supply can continue to supply power to the outside.
Description
Technical Field
The utility model belongs to the technical field of power supply design, and particularly relates to a power supply and electronic equipment.
Background
The power supply of the electronic equipment on the market at present is usually a battery, and when the battery fails and cannot normally supply power to the outside, the electronic equipment stops working, so that normal use of a user is affected, and personal and property safety of the user can be threatened.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the power supply and the electronic equipment are provided for solving the problem that in the prior art, the power supply of the electronic equipment is usually a battery, and when the battery fails and can not normally supply power to the outside, the electronic equipment can stop working.
In order to solve the technical problems, in one aspect, an embodiment of the present utility model provides a power supply, including a plurality of batteries, a switching module, a first output terminal, a second output terminal, a control module, a power management module, and a charging interface; each battery is connected in parallel; the control module is electrically connected with the switching module, and the switching module is electrically connected with each battery respectively; the control module is used for controlling the switching module to work so as to selectively electrically connect the positive electrode of each battery with the first output end and the negative electrode with the second output end; the power management module is respectively and electrically connected with the first output end, the second output end and the control module, so that a battery with an anode electrically connected with the first output end and a cathode electrically connected with the second output end can supply power to the control module; the charging interface is electrically connected with the power management module.
Optionally, the positive electrode of each battery is electrically connected with the first output end; the negative electrode of each battery is electrically connected with the switching module, and the switching module is electrically connected with the second output end.
Optionally, the switching module includes a plurality of switching tubes, a negative electrode of the battery is electrically connected with an input end of one switching tube, a control end of each switching tube is electrically connected with the control module, and an output end of each switching tube is electrically connected with the second output end.
Optionally, the power supply further includes an auxiliary power supply module, and the auxiliary power supply module is electrically connected with the power management module and is used for supplying power to the control module.
Optionally, the auxiliary power supply module includes a capacitor, and the capacitor is electrically connected with the power management module and is used for supplying power to the control module.
Optionally, the power supply further includes a voltage detection module, and the voltage detection module is electrically connected with the control module and is used for detecting the voltage of each battery.
Optionally, the power supply further includes an indication module, and the indication module is electrically connected with the control module and is used for outputting the electric quantity information of each battery outwards.
Optionally, the indication module includes a plurality of color-changing indication lamps, where the color-changing indication lamps are in one-to-one correspondence with the batteries; when the voltage detection module detects that the voltage of one battery is smaller than a preset value, the indicator lamp corresponding to the battery outputs light of a first color outwards; when the voltage detection module detects that the voltage of one battery is greater than or equal to the preset value, the indicator lamp corresponding to the battery outputs light of a second color to the outside.
Optionally, the indication module comprises a color-changing indication lamp; when the voltage detection module detects that the voltage of each battery is smaller than a preset value, the indicator lamp outputs light of a first color to the outside; when the voltage detection module detects that the voltage of any one of the batteries is greater than or equal to a preset value, the indicator lamp outputs light of a first color to the outside.
In order to solve the above technical problems, another aspect of the present utility model provides an electronic device, including the power supply described in any one of the above.
In the power supply and the electronic equipment provided by the embodiment of the utility model, the power supply is provided with the plurality of batteries, each battery can independently supply power to the outside, and when one of the batteries cannot normally supply power to the outside due to factors such as damage, the other batteries can be switched and selected by the switching module to be electrically connected with the first output end and the second output end, so that the power supply can continue to supply power to the outside.
Meanwhile, when one battery independently supplies power to an external power supply device, the battery can also supply power to the control module, so that when one battery is damaged, other batteries can be selected to supply power to the control module, and the normal operation of the control module is ensured.
Drawings
FIG. 1 is a schematic diagram of a power supply according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second power supply according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a control module and a voltage detection module of a circuit according to an embodiment of the utility model.
Reference numerals in the specification are as follows:
100. a power supply; 1. a battery; 2. a switching module; 21. a switching tube; 3. a first output terminal; 4. a second output terminal; 5. a control module; 6. a power management module; 7. a charging interface; 8. a voltage detection module; 81. a voltage detection unit; 9. an indication module; 10. and an auxiliary power supply module.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, in one embodiment, the power supply 100 includes a plurality of batteries 1, a switching module 2, a first output terminal 3, a second output terminal 4, a control module 5, a power management module 6, and a charging interface 7. Wherein each cell 1 is connected in parallel; the control module 5 is electrically connected with the switching module 2, and the switching module 2 is electrically connected with each battery 1 respectively; the control module 5 may be used to control the switching module 2 to work, so as to selectively electrically connect the positive electrode of each battery 1 to the first output terminal 3 and the negative electrode to the second output terminal 4; the power management module 6 is electrically connected with the first output end 3, the second output end 4 and the control module 5 respectively, so that the battery 1 with the positive electrode electrically connected with the first output end 3 and the negative electrode electrically connected with the second output end 4 can supply power to the control module 5; the charging interface 7 is electrically connected to the power management module 6 for charging the battery 1.
In the present embodiment, "a plurality of" means two or more, and in the embodiment shown in fig. 1 and 2, the power supply 100 has a total of 5 batteries 1. In addition, the first output terminal 3 and the second output terminal 4 are respectively used as a positive output terminal and a negative output terminal of the power supply 100, and are used for supplying power to external electric devices of the power supply 100.
In the present embodiment, "selectively electrically connecting the positive electrode of each battery 1 to the first output terminal 3 and the negative electrode to the second output terminal 4" means that the positive electrode of one of the batteries 1 (defined as the first battery 1) is electrically connected to the first output terminal 3 and the negative electrode of the first battery 1 is electrically connected to the second output terminal 4 by the switching module 2 as needed, so that the first battery 1 can supply power to the electric device outside the power supply 100; meanwhile, through the selection of the switching module 2, each battery 1 can be respectively and independently electrically connected with the first output end 3 and the second output end 4, and further independent external power supply is realized. Therefore, when one of the batteries 1 cannot normally supply power to the outside due to factors such as damage, the other batteries 1 can be switched and selected to be electrically connected with the first output end 3 and the second output end 4, so that the power supply 100 can continue to supply power to the outside, the service life of the power supply 100 is prolonged, and the stability of the operation of the power supply 100 is ensured. The power supply 100 of this embodiment may replace one battery with a plurality of batteries, and meanwhile, the storage capacity of a single battery of this embodiment may be smaller, and the storage capacity of the entire power supply is made equal to the storage capacity of the existing power supply by the arrangement of the plurality of batteries.
In this embodiment, when each battery 1 supplies power to an external electric device of the power supply 100, it is also able to supply power to the control module 5, so that when one battery 1 is damaged, other batteries 1 can be selected to supply power to the control module 5, so as to ensure the normal operation of the control module 5. The control module 5 may be an MCU (MCU is Microcontroller Unit for short, chinese name is micro control unit), and in addition, the MCU may be designed in the prior art, which is not described herein too much.
In this embodiment, the power management module 6 may implement functions such as voltage transformation, voltage stabilization, and overcurrent protection, which may be an existing design, and this embodiment is not described herein.
In the present embodiment, the charging interface 7 is used to connect with the external power source 100 so as to charge each battery 1. Wherein the anode and the cathode of the charged battery 1 are respectively and electrically connected with the first output end 3 and the second output end 4; when one battery 1 is fully charged, the other battery 1 can be switched to be electrically connected with the first output terminal 3 and the second output terminal 4, so that the battery 1 can be charged. In addition, the charging interface 7 may be a Micro USB interface, a Type-c interface, or the like.
In this embodiment, the first output terminal 3, the second output terminal 4, the control module 5, the power management module 6, and the charging interface 7 may be disposed on a circuit board, where the first output terminal 3 and the second output terminal 4 may be two pads on the circuit board.
As shown in fig. 2, in one embodiment, the positive electrode of each battery 1 is electrically connected to the first output terminal 3; the cathodes of the batteries 1 are electrically connected with the switching module 2, and the switching module 2 is electrically connected with the second output end 4. The switching module 2 can selectively electrically connect the negative electrode of one of the batteries 1 with the second output terminal 4, so that the battery 1 can supply power to the outside, and the control operation of the control module 5 is more convenient.
As shown in fig. 2, in an embodiment, the switching module 2 includes a plurality of switching tubes 21, the negative electrode of one battery 1 is electrically connected to the input terminal of one switching tube 21, the control terminal of each switching tube 21 is electrically connected to the control module 5, and the output terminal of each switching tube 21 is electrically connected to the second output terminal 4. The control module 5 may control the switching tube 21 at a control end, so that the output end of the switching tube 21 is turned on or off. The switch tube 21 may be a triode, where the control end is the base of the triode, the input end may be the collector of the triode, and the output end may be the emitter of the triode. Of course, the switching tube 21 may be a MOS tube, an IGBT, or the like.
As shown in fig. 2 and 3, in an embodiment, the power supply 100 further includes a voltage detection module 8, and the voltage detection module 8 is electrically connected to the control module 5 and is configured to detect the voltage of each battery 1. The voltage detection module 8 may detect the voltages of the respective batteries 1 at the same time. When the voltage detection module 8 detects that the voltage of a certain battery 1 is smaller than the predetermined value, the battery 1 is damaged or the electric quantity is exhausted, and the control module 5 controls the switching module 2 to work at the moment so as to select other batteries 1 to supply power.
As shown in fig. 2 and 3, the voltage detection module 8 includes a plurality of voltage detection units 81, each voltage detection unit 81 is connected to the control module 5, and the voltage detection units 81 are in one-to-one correspondence with the batteries 1, each voltage detection unit 81 is configured to detect a voltage of one battery 1, and when a certain voltage detection unit 81 detects that the voltage of the corresponding battery 1 is lower than a predetermined value, it indicates that the battery 1 is damaged or the voltage is exhausted. In addition, the voltage detection unit 81 is connected in parallel to two ends of the battery 1, and at this time, the voltage detection unit 81 has two detection pins and one output pin, wherein the two detection pins are respectively connected to the positive electrode and the negative electrode of the battery 1, and the output pin is connected to one input end of the control module 5. Meanwhile, the voltage detection unit 81 may be integrated with the control module 5. In addition, the voltage detection unit 81 may be designed in the prior art, and this embodiment will not be described here too much.
As shown in fig. 2, in an embodiment, the power supply 100 further includes an indication module 9, where the indication module 9 is electrically connected to the control module 5, and is configured to output the power information of each battery 1. Wherein the indication module 9 comprises a color-changing indication lamp; when the detection value of the voltage detection module 8 is smaller than a preset value, the indicator lamp outputs light of a first color to the outside; when the detection value of the voltage detection module 8 is greater than or equal to the preset value, the indicator lamp outputs light of the second color to the outside. In addition, the color-changing indicator light may be an LED light, and the light of the first color may be red light, and the light of the second color may be green light.
Specifically, the indication module 9 includes a plurality of color-changing indicator lamps, and the color-changing indicator lamps are in one-to-one correspondence with the batteries 1, i.e. one color-changing indicator lamp is used for displaying the electric quantity information of one battery 1; when the voltage detection module 8 detects that the voltage of one battery 1 is smaller than a predetermined value, the indicator lamp corresponding to the battery 1 outputs light of a first color to the outside; when the voltage detection module 8 detects that the voltage of one battery 1 is greater than or equal to a predetermined value, the indicator lamp corresponding to the battery 1 outputs light of a second color to the outside. Wherein, each color-changing indicator lamp is electrically connected to a corresponding output end of the control module 5, and the control module 5 can control the color change of each indicator lamp according to the detection result of each voltage detection unit 81 of the voltage detection module 8.
As shown in fig. 1 and 2, in an embodiment, the power supply 100 further includes an auxiliary power supply module 10, and the auxiliary power supply module 10 is electrically connected to the power management module 6, for supplying power to the control module 5. When the batteries 1 are switched (taking a mode that the positive electrodes of the batteries 1 are electrically connected with the first output end 3 and the negative electrodes of the batteries 1 are selectively electrically connected with the second output end 4 through the switching module 2 as an example), when the negative electrode of one battery 1 is disconnected with the second output end 4, the negative electrode of the other battery 1 may not be electrically connected with the second output end 4, so that the battery 1 cannot supply power to the control module 5, at this time, the auxiliary power supply module 10 can supply power to the control module 5, thereby guaranteeing the working stability of the control module 5.
In one embodiment, the auxiliary power module 10 includes a capacitor electrically connected to the power management module 6 for powering the control module 5. When the battery 1 can control the module 5 to supply power normally, the capacitor can be charged through the battery 1, and when the electric quantity of the battery 1 is exhausted, the capacitor can supply power to the control module 5.
As shown in fig. 3, in an embodiment, the battery 1 has an NTC pin in addition to a positive electrode and a negative electrode, wherein the NTC pin is connected to the control module 5. The power supply 100 generally has a plurality of mounting areas, each for mounting one battery 1, and at this time, it may be determined whether a certain mounting area has a battery 1 by detecting the NTC pin by the control module 5. In addition, if the battery 1 is not detected, the control module 5 may control the color-changing indicator lamp corresponding to the battery 1 to emit light of a third color, where the light of the third color may be yellow light. In addition, the design of the battery 1 having the NTC pin may also be an existing design, and this embodiment will not be described here too much.
It should be understood that the corresponding designs described above may be replaced in other ways, such as:
in other embodiments, the batteries 1 may be divided into multiple groups, where "selectively electrically connecting the positive electrode of each battery 1 to the first output terminal 3 and the negative electrode of each battery 1 to the second output terminal 4" may also mean that each positive electrode of one group of batteries 1 in each battery 1 is electrically connected to the first output terminal 3 and each negative electrode of the group of batteries 1 is electrically connected to the second output terminal 4 through the switching module 2; meanwhile, through the selection of the switching module 2, each group of batteries 1 can be respectively and independently electrically connected with the first output end 3 and the second output end 4, so that independent external power supply is realized, wherein the number of each group of batteries 1 can be one or a plurality of, and the number of each group of batteries 1 can be the same or different.
In other embodiments, the indication module 9 may also comprise only one color-changing indicator light, which is electrically connected to the control module 5; when the voltage detection module 8 detects that the voltage of each battery 1 is smaller than a preset value, the indicator lamp outputs light of a first color to the outside; when the voltage detection module 8 detects that the voltage of any one of the batteries 1 is greater than or equal to a predetermined value, the indication lamp outputs light of the first color to the outside. The color-changing indicator lamp is actually connected to the output end of the control module 5, and the control module 5 can control the color change of the indicator lamp according to the detection result of the voltage detection module 8.
In other embodiments, the auxiliary power module 10 may also be a battery 1.
In other embodiments, the indication module 9 may be any one of an audio output module, a text output module, a graphic output module, and the like. Alternatively, the indication module 9 may be any combination of a color-changing indication lamp, an audio output module, a text output module, a graphic output module, and the like.
The embodiment of the utility model also provides an electronic device, which comprises the power supply 100 according to any of the embodiments, wherein the electronic device can be a small electronic device such as an outdoor travel locator, an automobile burglar alarm, and a child anti-lost locator.
In addition, when the electronic device is turned on, the electric quantity of the power supply 100 can be detected first, and the electric quantity information of the power supply 100 is output to the user through the indicating unit, so that the user can conveniently and timely master the electric quantity information of the power supply 100.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The power supply is characterized by comprising a plurality of batteries, a switching module, a first output end, a second output end, a control module, a power management module and a charging interface;
each battery is connected in parallel;
the control module is electrically connected with the switching module, and the switching module is electrically connected with each battery respectively; the control module is used for controlling the switching module to work so as to selectively electrically connect the positive electrode of each battery with the first output end and the negative electrode with the second output end;
the power management module is respectively and electrically connected with the first output end, the second output end and the control module, so that a battery with an anode electrically connected with the first output end and a cathode electrically connected with the second output end can supply power to the control module;
the charging interface is electrically connected with the power management module.
2. The power supply of claim 1, wherein a positive electrode of each of the cells is electrically connected to the first output terminal;
the negative electrode of each battery is electrically connected with the switching module, and the switching module is electrically connected with the second output end.
3. The power supply of claim 2, wherein the switching module comprises a plurality of switching tubes, the negative electrode of one of the batteries is electrically connected with the input end of one of the switching tubes, the control end of each of the switching tubes is electrically connected with the control module, and the output end of each of the switching tubes is electrically connected with the second output end.
4. The power supply of claim 1, further comprising an auxiliary power module electrically connected to the power management module for powering the control module.
5. The power supply of claim 4, wherein the auxiliary power module includes a capacitor electrically connected to the power management module for powering the control module.
6. The power supply of claim 1, further comprising a voltage detection module electrically coupled to the control module and configured to detect a voltage of each of the batteries.
7. The power supply of claim 6, further comprising an indication module electrically connected to the control module for outputting power information of each of the batteries.
8. The power supply of claim 7, wherein the indication module comprises a plurality of color changing indicator lights, the color changing indicator lights being in one-to-one correspondence with the batteries;
when the voltage detection module detects that the voltage of one battery is smaller than a preset value, the indicator lamp corresponding to the battery outputs light of a first color outwards;
when the voltage detection module detects that the voltage of one battery is greater than or equal to the preset value, the indicator lamp corresponding to the battery outputs light of a second color to the outside.
9. The power supply of claim 7, wherein said indicator module comprises a color changing indicator light; when the voltage detection module detects that the voltage of each battery is smaller than a preset value, the indicator lamp outputs light of a first color to the outside; when the voltage detection module detects that the voltage of any one of the batteries is greater than or equal to a preset value, the indicator lamp outputs light of a first color to the outside.
10. An electronic device comprising the power supply of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223303534.0U CN218940732U (en) | 2022-12-08 | 2022-12-08 | Power supply and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223303534.0U CN218940732U (en) | 2022-12-08 | 2022-12-08 | Power supply and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218940732U true CN218940732U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223303534.0U Active CN218940732U (en) | 2022-12-08 | 2022-12-08 | Power supply and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218940732U (en) |
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- 2022-12-08 CN CN202223303534.0U patent/CN218940732U/en active Active
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