CN201041948Y - Power supply device - Google Patents
Power supply device Download PDFInfo
- Publication number
- CN201041948Y CN201041948Y CNU2007201253474U CN200720125347U CN201041948Y CN 201041948 Y CN201041948 Y CN 201041948Y CN U2007201253474 U CNU2007201253474 U CN U2007201253474U CN 200720125347 U CN200720125347 U CN 200720125347U CN 201041948 Y CN201041948 Y CN 201041948Y
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- Prior art keywords
- battery
- circuit
- power supply
- management
- output
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- 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.)
- Expired - Lifetime
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a power device, and the device consists of a battery box used for placing the battery; a discharging management output circuit, which manages discharging and facilitates the output current to reach the working requirements of the loading equipment, and the battery forms an electric access with the discharging management output circuit through the battery box; a power output port used for connecting with the external loading equipment; an input port used for inputting commercial power; an AC/DC transformer used for converting the input commercial power to direct current and a battery charging management circuit, which adjusts the direct current obtained by the AC/DC transformer to meet the charging demands for the battery and charge the battery in the battery box. In addition, the battery box is connected with the battery charging management circuit, facilitating the battery in the battery box to form an electric access with the battery charging management circuit. The utility model is convenient to operate, and avoids the problem that data are liable to lose when the battery is replaced.
Description
Technical Field
The utility model relates to a power supply technology, especially a power supply unit.
Background
With the development of technology, more and more electronic devices are appearing. Among them, portable devices have high application flexibility, and thus become a development trend of electronic devices, and more conventional electronic devices are developed toward mobile portable devices.
Due to the characteristics of mobility of portable devices, one of the characteristics that differ from conventional electronic devices is: portable devices are often battery powered to ensure proper operation of the device, for example: mobile phones, portable computers, mobile test equipment, etc. However, in many cases, the power of the battery in the portable device is not sufficient for the operation of the portable device.
In order to solve the problem of insufficient power, most portable devices are also equipped with at least one backup battery in the prior art. When the battery power in the portable equipment is used up, the standby battery is replaced into the portable equipment so as to support the portable equipment to continue working.
However, the inventor finds in research on the prior art that although the method of providing the backup battery solves the problem of insufficient battery capacity of a battery to some extent, the battery capacity of the backup battery is still small and may not meet the use requirement of the user for the portable device due to the limitation of the model, the shape and other factors of the portable device; on the other hand, in some cases, the process of replacing the battery may also cause loss of important data for the user.
Further, portable devices on the market are various in types and models, and a battery of a specific model is defined for each type of portable device, and terminals and sizes of the battery are different from one battery to another. Due to the limitation of factors such as the models and the appearance sizes, the backup batteries of the portable devices cannot be exchanged, so that the backup batteries can only be applied to the portable devices with fixed models, and the batteries of the original portable devices cannot be used in other portable devices after being scrapped, thereby causing great waste.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem that an embodiment will solve provides a power supply unit, can compensate the not enough of portable equipment battery power to and avoid carrying out the change of battery among the portable equipment.
In order to solve the above technical problem, the utility model provides a power supply unit embodiment is realized through following technical scheme: the battery bin is used for placing batteries; the discharge management output circuit is used for carrying out discharge management so that the output current meets the working requirement of load equipment, and the battery forms an electric path with the discharge management output circuit through the battery compartment; the power output port is used for externally connecting load equipment; the input port is used for inputting commercial power; an AC/DC converter for converting an input commercial power into a direct current; the battery charging management circuit is used for adjusting the direct current obtained by the AC/DC converter so as to meet the requirement of battery charging and charging the battery in the battery bin; and the battery compartment is connected with the battery charging management circuit, so that the batteries in the battery compartment and the battery charging management circuit form an electric path.
The device provided by the embodiment of the utility model is not affected by the appearance of the portable equipment, can have larger battery capacity, and can make up for the problem that the battery capacity of the portable equipment is smaller; and, through power output interface and portable equipment connection and carry out charging or provide working power, do not need to change the battery of portable equipment, therefore compare with prior art, not only convenient to use has avoided the easy problem of losing data that changes the battery and cause. Furthermore, the power output interface provided by the device can be provided with different adapter cables to adapt to the requirements of various power input ends of the portable equipment. When the portable equipment is eliminated, the device can be continuously used on other portable equipment, so that resources are saved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the power supply device of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the power supply device of the present invention;
fig. 3 is a schematic structural diagram of a third embodiment of the power supply device of the present invention.
Detailed Description
Referring to fig. 1, a power supply device provided in an embodiment of the present invention is specifically described. As shown, it includes: an AC/DC converter 11, a battery charging management circuit 12, a discharging management output circuit 13, a power output port 14, a battery compartment 15, a detection and display circuit 16 and an input port 17; wherein:
an input port 17 for obtaining mains electricity; the mains voltage currently used is typically 110V or 220V;
in the utility model, the power supply equipment can directly obtain the commercial power through a special input port; or, in order to enable the power supply device to be adapted to commercial power interfaces of different specifications, the power supply device may further be equipped with different types of adapter cables to obtain commercial power, and further, the input port may be connected to one end of the adapter cable by using a standard adapter interface (for example, IEC 320C 7 or IEC 320C 8, etc., and a person skilled in the art may select an existing standard interface as required), and the other end of the adapter cable is used for connecting to a commercial power supply.
And the AC/DC converter 11 is configured to convert the commercial power obtained from the input port into direct current, and transmit the direct current to the battery charging management circuit 12.
The battery charging management circuit 12 is used for acquiring direct current converted by the AC/DC converter, adjusting the direct current to meet the requirement of battery charging and charging the battery in the battery bin;
the battery of different grade type requires differently to charging environment and condition, therefore makes the battery type different, and battery charging management circuit's theory of operation also differs to some extent, and the skilled person in the art can set up according to the type of battery charging management circuit's function, the utility model discloses and prescribe a limit to battery charging management circuit's concrete realization by no intention.
The following description will be made only of the operation principle of the battery charge management circuit 12 when charging the lithium ion battery.
Firstly, judging whether the battery is normal, specifically, judging whether the voltage of the battery is normal, if so, starting to execute a charging process, otherwise, judging whether the voltage is normal again after tentative charging is carried out, and if the voltage of the battery is still out of the normal range after the tentative charging is carried out for a plurality of times repeatedly, judging that the battery is damaged by a battery charging management circuit; if the battery voltage is normal, the battery charging management circuit firstly keeps constant current (namely, the current is constant) for charging, and when the battery voltage reaches 10.2V (volt), the battery charging management circuit changes to constant voltage for charging (namely, the charging voltage keeps constant); and ending charging until the battery electric quantity is judged to reach a certain degree according to a certain rule.
A discharge management output circuit 13 for performing discharge management so that the output current meets the operating requirement of the load device;
the functions of the discharge management output circuit are mainly embodied in the following two points: 1) the output voltage is converted to reach the rated voltage of the load equipment; 2) limiting the output current to protect the load and the normal work of the power supply; the discharge management output circuit is implemented by the prior art, and those skilled in the art can implement the discharge management output circuit by referring to the prior art.
A power output port 14 for connecting a power input terminal of a load device (electronic device); specifically, the power output port 14 can be connected to the power input end of the load device by a cable, and in order to adapt to different types of power input ends of different load devices, the power output port 14 can be connected to the power input end of the load device by a transfer cable. The power output port 14 may be of a standard structure such as USB, and the present invention is not limited to the specific type of the power output port.
And the battery bin 15 is used for placing batteries, and the batteries form an electric path with the discharge management output circuit and an electric path with the battery charging management circuit through the battery bin.
A detection and display circuit 16 for detecting the operating state of each circuit in the power supply device and displaying and outputting the detection result; the method comprises the following steps:
the detection of the operating state of the battery charging management circuit, which is connected to the battery charging management circuit, includes, for example: whether the battery is in a charging state, whether the battery is charged completely, and the like;
the detection of the operating state of the discharge management output circuit, which is connected to the discharge management output circuit, includes, for example: whether it is in a discharge state, output current, output voltage, etc.;
detecting the battery in the battery compartment includes, for example: battery temperature, humidity, etc.
On the basis of the power supply device, referring to fig. 1, the discharge management output circuit may further be connected to a battery charge management circuit, and obtains the direct current adjusted by the battery charge management circuit to perform discharge output, so that the AC/DC converter may charge the backup battery through the battery charge management circuit and may also output the backup battery through the output conversion circuit via the output port.
As shown in fig. 2, on the basis of the structure of the above embodiment, the present invention may further include an adjusting device 19.
Adjusting device is used for adjusting the management parameter of discharging of management output circuit, thereby does power supply unit can adapt to and provide probably for the power supply of different electronic equipment. For example, if the input voltages of different electronic devices are different, the adjusting device may adjust the voltage value output by the discharge management output circuit by means of the voltage dividing resistor to achieve the operating voltages of the different electronic devices.
The above is the first and second embodiments of the power supply apparatus of the present invention, and there are many variations of this apparatus. Referring to fig. 3, a third embodiment of the power supply apparatus of the present invention is explained, including: a battery compartment 31, a discharge management output circuit 32, and a power output port 33; wherein,
the battery compartment 31 is used for placing batteries, and the batteries form an electric path with the discharge management output circuit through the battery compartment;
a discharge management output circuit 32 for performing discharge management so that the output current meets the operating requirement of the load device; the specific implementation mode is as described above;
and a power output port 33 for externally connecting a load device.
On the basis of this embodiment, the power supply device may further include an adjusting device for adjusting the discharge management parameter of the discharge management output circuit. The specific implementation mode refers to the related content above.
On the basis of the third embodiment, the power supply device may further include a detection and display circuit, which detects the operating states of the circuits of the parts of the power supply device and outputs and displays the detection result; the specific implementation manner is shown in the related content above.
The device provided by the embodiment of the utility model is not affected by the appearance of the portable equipment, can have larger battery capacity, and can make up for the problem that the battery capacity of the portable equipment is smaller; and, through power output interface and portable equipment connection and carry out charging or provide working power, do not need to change the battery of portable equipment, therefore compare with prior art, not only convenient to use has avoided the easy problem of losing data that changes the battery and cause. Furthermore, the power output interface provided by the device can be provided with different adapter cables to adapt to the requirements of various power input ends of the portable equipment. When the portable equipment is eliminated, the device can be continuously used on other portable equipment, so that resources are saved.
It is right above that the utility model provides a power supply unit has carried out the detailed introduction, to the general technical personnel in this field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.
Claims (6)
1. A power supply apparatus, characterized by comprising: the device comprises a battery cabin, a discharge management output circuit, a power output port, an input port, an AC/DC converter and a battery charge management circuit; wherein,
the battery bin is used for placing batteries;
the discharge management output circuit is used for carrying out discharge management so that the output current meets the working requirement of load equipment, and the battery forms an electric path with the discharge management output circuit through the battery compartment;
the power output port is used for externally connecting load equipment;
the input port is used for inputting commercial power;
an AC/DC converter for converting an input commercial power into a direct current;
the battery charging management circuit is used for adjusting the direct current obtained by the AC/DC converter so as to meet the requirement of battery charging and charging the battery in the battery bin; and the number of the first and second groups,
the battery compartment is connected with the battery charging management circuit, so that the batteries in the battery compartment and the battery charging management circuit form an electric path.
2. The power supply apparatus of claim 1, further,
the discharge management output circuit is connected with the battery charge management circuit, and obtains the direct current obtained after the adjustment of the battery charge management circuit to carry out discharge output.
3. The power supply device according to claim 1 or 2, further comprising:
and the detection and display circuit is used for detecting the working state of the battery charging management circuit or/and the discharging management output circuit and displaying the detection result.
4. The power supply device according to claim 3, wherein:
the input port is an IEC 320C 7 or IEC 320C 8 interface.
5. The power supply device according to claim 1 or 2, further comprising:
and the adjusting device is connected with the discharge management output circuit and is used for setting the discharge management parameters.
6. The power supply device according to claim 1, wherein:
the power output port is a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201253474U CN201041948Y (en) | 2007-08-08 | 2007-08-08 | Power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201253474U CN201041948Y (en) | 2007-08-08 | 2007-08-08 | Power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041948Y true CN201041948Y (en) | 2008-03-26 |
Family
ID=39253660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201253474U Expired - Lifetime CN201041948Y (en) | 2007-08-08 | 2007-08-08 | Power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041948Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879074A (en) * | 2010-07-01 | 2010-11-10 | 深圳市开立科技有限公司 | Wireless power ultrasonic diagnostic apparatus |
| CN102270886A (en) * | 2011-07-27 | 2011-12-07 | 武汉中原电子集团有限公司 | Cascade wireless charging device |
| AU2016100405B4 (en) * | 2010-07-27 | 2016-08-18 | Ark Corporation Pty Ltd | Charging apparatus and portable power supply |
-
2007
- 2007-08-08 CN CNU2007201253474U patent/CN201041948Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879074A (en) * | 2010-07-01 | 2010-11-10 | 深圳市开立科技有限公司 | Wireless power ultrasonic diagnostic apparatus |
| AU2016100405B4 (en) * | 2010-07-27 | 2016-08-18 | Ark Corporation Pty Ltd | Charging apparatus and portable power supply |
| CN102270886A (en) * | 2011-07-27 | 2011-12-07 | 武汉中原电子集团有限公司 | Cascade wireless charging device |
| CN102270886B (en) * | 2011-07-27 | 2013-07-31 | 武汉中原电子集团有限公司 | Cascade wireless charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI DEVICE CO., LTD. Free format text: FORMER NAME: SHENZHEN HUAWEI COMMUNICATION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee after: Huawei Device Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Shenzhen Huawei Communication Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080326 |