CN217824410U - Uninterrupted power supply - Google Patents
Uninterrupted power supply Download PDFInfo
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- CN217824410U CN217824410U CN202221477981.5U CN202221477981U CN217824410U CN 217824410 U CN217824410 U CN 217824410U CN 202221477981 U CN202221477981 U CN 202221477981U CN 217824410 U CN217824410 U CN 217824410U
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Abstract
The utility model relates to the field of mobile power supplies, in particular to an uninterruptible power supply, which comprises an uninterruptible power supply main body; the outer wall of the uninterruptible power supply main body is provided with a DC input port, the interior of the uninterruptible power supply main body is provided with an LDO voltage stabilizer which is electrically connected with the DC input port, a single chip microcomputer is arranged in the uninterruptible power supply main body, and one end of the single chip microcomputer is electrically connected with a chip battery protection plate; the utility model is made by safe and reliable lithium batteries and protective plates, trickle/constant current/constant voltage lithium battery charging management, high-performance and high-efficiency DC-DC boost and buck conversion circuits, etc.; the UPS uninterrupted power supply can not cause the stop operation, misoperation and damage of machines and equipment due to the sudden interruption of an external power supply, and can not cause the loss of important data information due to too late storage and backup due to power failure.
Description
Technical Field
The utility model relates to a portable power source field specifically is an uninterrupted power source.
Background
UPS, i.e. an uninterruptible power supply, is an uninterruptible power supply that includes an energy storage device. The power supply device is mainly used for providing uninterrupted power supply for partial equipment with higher requirements on power supply stability.
When the commercial power input is normal, the UPS supplies the commercial power to the load for use after stabilizing the voltage, and the UPS is an alternating current type voltage stabilizer and also charges the battery in the machine; when the commercial power is interrupted (power failure in an accident), the UPS immediately supplies the direct current electric energy of the battery to the load continuously by the method of switching and converting the inverter, so that the load keeps normal work and protects the software and hardware of the load from being damaged, and the UPS equipment generally provides protection for overhigh voltage or overlow voltage.
The conventional uninterruptible power supply is large in size, inconvenient to carry at any time, difficult to meet the simultaneous use requirements of different devices, and deficient in cruising ability when charging mobile digital devices, and the uninterruptible power supply is provided for the purpose.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an uninterrupted power source to solve the problem that proposes among the above-mentioned background art.
To achieve the above object, an uninterruptible power supply includes an uninterruptible power supply main body;
the outer wall of uninterrupted power source main part is equipped with DC input port, the inside of uninterrupted power source main part be equipped with DC input port electric connection's LDO stabiliser, the internally mounted of uninterrupted power source main part has the singlechip, the one end electric connection of singlechip has chip battery protection shield, the opposite side of uninterrupted power source main part outer wall is equipped with USB delivery outlet and direct current delivery outlet, the one end of singlechip is equipped with overcurrent protection circuit.
Further: and a control switch and an indicator light are arranged on the outer wall of the uninterruptible power supply main body outside the output port.
Further: the uninterruptible power supply comprises an uninterruptible power supply body and is characterized in that a battery is arranged in the uninterruptible power supply body, and the battery has three charging modes, namely a constant voltage charging mode, a constant current charging mode and a trickle charging mode.
Further: the output circuits of the UPS main body are DC12V, DC V and USB5V respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is made by safe and reliable lithium batteries and protective plates, trickle/constant current/constant voltage lithium battery charging management, high-performance and high-efficiency DC-DC boost and buck conversion circuits, etc.; UPS uninterrupted power supply can not cause machine and equipment stop operation, malfunction and damage because of the sudden interruption of external power supply, and can not cause important data information to be stored and backed up in time and lost because of power failure;
2. the portable power supply has the characteristics of convenience in carrying, small volume, easiness in installation and the like, has three voltage outputs of DC12V, DC9V, USB V, and can meet the simultaneous use requirements of multiple groups of different devices.
Drawings
Fig. 1 is a schematic view of a vertical surface of an uninterruptible power supply of the present invention;
fig. 2 is a schematic diagram of an embodiment 1 of an uninterruptible power supply of the present invention;
fig. 3 is a schematic diagram of an embodiment 2 of an uninterruptible power supply of the present invention;
fig. 4 is a schematic diagram of an embodiment 3 of an uninterruptible power supply of the present invention;
fig. 5 is a schematic diagram of an uninterruptible power supply according to the present invention.
In the figure: 1. an uninterruptible power supply main body; 2. an LDO regulator; 3. a single chip microcomputer; 4. chip battery protection board.
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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Please refer to fig. 1 and 2, which illustrate an uninterruptible power supply.
A DC12V power supply is externally connected to start the UPS, one path of the UPS is controlled by an output power supply through an LDO voltage stabilizer 2 to supply power to the singlechip 3, so that the singlechip 3 outputs a PWM control signal and an EN starting signal; the other path supplies power to the equipment through a D2 Schottky diode output DC12V.
The PWM signal pushes the triode to be conducted so that the charging MOS tube is also conducted to charge the battery, the single chip microcomputer 3 adjusts the amplitude of the PWM output signal through monitoring the voltage of the battery, and the driving control circuit carries out constant voltage, constant current and trickle charging on the battery.
A high-efficiency chip battery protection board 4 is arranged in the battery, and when the over-discharge voltage of the battery is equal to 2.75V, the chip monitors and sends a signal to drive an over-discharge MOS to stop and start over-discharge protection; when the discharge voltage is recovered to 3.0V, the chip sends out a signal to enable the over-discharge MOS to be conducted, so that the over-discharge is released.
The EN signal controls the internal voltage reduction chip and the circuit to work and output USB5V; meanwhile, the EN signal also controls the internal boosting chip and the circuit to work and output double-circuit DC12V.
When the battery overcharge voltage is higher than 4.3V, the chip monitors and sends a signal to drive the overcharge MOS to cut off and open the overcharge protection; when the charging voltage is lower than 4.1V, the chip sends out a signal to enable the overcharge MOS to be conducted, so that overcharge is released.
When the external power supply is suddenly interrupted, the single chip microcomputer 3 monitors and sends out a control signal to automatically switch to battery power supply, and the voltage boosting chip and the circuit control output USB5V to supply power to the equipment; meanwhile, a 12V boost chip and a circuit control output double-path DC12V to supply power to the equipment; the equipment is ensured to operate normally without interruption.
When the electric quantity reaches a certain working point, the single chip microcomputer 3 detects corresponding output SEG1, SEG2 and COM1 signals to control and light corresponding indicator lamps to prompt the current electric quantity of the battery and the working state of the UPS.
When the output load reaches 3A, the single chip microcomputer 3 detects an output signal to control the conduction of the overcurrent protection chip and shut down the EN signal output, the UPS is automatically shut down, and the protection equipment is not damaged due to overload.
As a portable mobile power supply, the portable mobile power supply has the characteristics of convenience in carrying, small size (116 × 73 × 23.5 MM), light weight (about 260 g), easiness in installation and the like, has two groups of voltage outputs of DC12V, DC12V, USB V, and can meet the simultaneous use requirements of multiple groups of different devices.
Example 2
Please refer to fig. 1 and 3, which illustrate an uninterruptible power supply.
A DC12V power supply is externally connected to start the UPS, one path of the UPS is controlled by an output power supply through an LDO voltage stabilizer 2 to supply power to the singlechip 3, so that the singlechip 3 outputs a PWM control signal and an EN starting signal; the other path outputs DC12V to supply power to the device through a Schottky diode.
The PWM signal pushes the triode to be conducted to enable the AO3415 MOS tube to be conducted, the battery is charged through the SS24 Schottky diode and the 10uH inductor, the amplitude of the PWM output signal is adjusted by the single chip microcomputer 3 through monitoring of the voltage of the battery, and the battery is charged in a constant-voltage, constant-current and trickle mode through the driving control circuit.
A high-efficiency chip battery protection board 4 is arranged in the battery, and when the over-discharge voltage of the battery is equal to 2.75V, the chip monitors and sends a signal to drive an over-discharge MOS to stop and start over-discharge protection; when the discharge voltage is recovered to 3.0V, the chip sends out a signal to enable the over-discharge MOS to be conducted, so that the over-discharge is released.
The EN signal controls the internal voltage reduction chip and the circuit to work and output USB5V; meanwhile, the EN signal also controls an internal U2 boosting chip and a circuit to output DC12V to supply power to equipment through a 4.7uH inductor and an SS24 Schottky diode.
When the battery overcharge voltage is higher than 4.3V, the chip monitors and sends a signal to drive the overcharge MOS to cut off and open the overcharge protection; when the charging voltage is lower than 4.1V, the chip sends out a signal to enable the overcharge MOS to be conducted, so that overcharge is released.
When the external power supply is suddenly interrupted, the singlechip 3 monitors and sends out a control signal to automatically switch to battery power supply, and the voltage reduction chip and the circuit control output USB5V to supply power to the equipment; and simultaneously, DC12V is output by a U2 boosting chip and a circuit through a 4.7uH inductor and an SS24 Schottky diode to supply power to equipment, so that the equipment can operate normally without interruption.
When the electric quantity reaches a certain working point, the single chip microcomputer 3 detects corresponding output SEG1, SEG2 and COM1 signals to control and light corresponding indicator lamps to prompt the current electric quantity of the battery and the working state of the UPS.
When the output load reaches 3A, the single chip microcomputer 3 detects an output signal to control the conduction of the overcurrent protection chip and shut down the EN signal output, the UPS is automatically shut down, and the protection equipment is not damaged due to overload.
As a portable mobile power supply, the portable mobile power supply has the characteristics of convenience in carrying, small size (116 × 73 × 23.5 MM), light weight (about 260 g), easiness in installation and the like, has two groups of voltage outputs of DC12V, USB V, and can meet the simultaneous use requirements of multiple groups of different devices.
Example 3
Please refer to fig. 1 and 4, which illustrate an uninterruptible power supply.
A DC12V power supply is externally connected to start the UPS, one path of the UPS is controlled by an output power supply through an LDO voltage stabilizer 2 to supply power to the singlechip 3, so that the singlechip 3 outputs a PWM control signal and an EN starting signal; the other path supplies power to the equipment through a D2 Schottky diode output DC12V.
The PWM signal pushes the triode to be conducted so that the charging MOS tube is also conducted to charge the battery, the single chip microcomputer 3 adjusts the amplitude of the PWM output signal through monitoring the voltage of the battery, and the driving control circuit carries out constant voltage, constant current and trickle charging on the battery.
A high-efficiency chip battery protection board 4 is arranged in the battery, and when the over-discharge voltage of the battery is equal to 2.75V, the chip monitors and sends a signal to drive an over-discharge MOS to stop and start over-discharge protection; when the discharge voltage is recovered to 3.0V, the chip sends out a signal to enable the over-discharge MOS to be conducted, so that the over-discharge is released.
The EN signal controls the internal voltage reduction chip and the circuit to work and output USB5V; meanwhile, the EN signal also controls the two internal boosting chips and the circuit to work and output DC12V and DC9V.
When the battery overcharge voltage is higher than 4.3V, the chip monitors and sends a signal to drive the overcharge MOS to cut off and open the overcharge protection; when the charging voltage is lower than 4.1V, the chip sends a signal to enable the overcharge MOS to be conducted, so that the overcharge is released.
When the external power supply is suddenly interrupted, the single chip microcomputer 3 monitors and sends out a control signal to automatically switch to battery discharge, and the voltage reduction chip and the circuit control output USB5V to supply power to the equipment; meanwhile, DC9V, DC V is output by the control of a 9V boosting chip and a 12V boosting chip and a circuit to supply power to equipment; the equipment can be ensured to operate normally without interruption.
When the electric quantity reaches a certain working point, the single chip microcomputer 3 detects corresponding output SEG1, SEG2 and COM1 signals to control and light corresponding indicator lamps to prompt the current electric quantity of the battery and the working state of the UPS.
When the output load reaches 3A, the single chip microcomputer 3 detects an output signal to control the conduction of the overcurrent protection chip and shut down the EN signal output, the UPS is automatically shut down, and the protection equipment is not damaged due to overload.
As a portable mobile power supply, the portable mobile power supply has the characteristics of convenience in carrying, small size (116 × 73 × 23.5 MM), light weight (about 260 g), easiness in installation and the like, has three groups of voltage outputs of DC12V, DC V, USB V, and can meet the simultaneous use requirements of multiple groups of different devices.
Please refer to fig. 1-5, the utility model discloses in, the outer wall of uninterrupted power source main part 1 is equipped with the DC input port, the inside of uninterrupted power source main part 1 is equipped with LDO stabiliser 2 with DC input port electric connection, the internally mounted of uninterrupted power source main part 1 has singlechip 3, singlechip 3's one end electric connection has chip battery protection shield 4, the opposite side of uninterrupted power source main part 1 outer wall is equipped with USB delivery outlet and direct current delivery outlet, singlechip 3's one end is equipped with overcurrent protection circuit, uninterrupted power source main part 1 is supplied power for singlechip 3 through LDO stabiliser 2 control output power, chip battery protection shield 4 signals drive MOS pipe and switches at process protection and overcharge release state.
The outer wall of the uninterruptible power supply main body 1 is provided with a control switch and an indicator light at the outer side of the output port so as to monitor the state of the uninterruptible power supply main body 1.
The uninterruptible power supply main body 1 is internally provided with a battery which has three charging modes of constant voltage, constant current and trickle current so as to facilitate equipment.
The output circuits of the uninterruptible power supply main body 1 are respectively DC12V, DC V and USB5V, so as to meet the simultaneous use requirements of multiple groups of different devices.
The above description is provided for further details of the present invention, and it should not be assumed that the present invention is limited to these descriptions, and it will be appreciated by those skilled in the art that various modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. An uninterruptible power supply includes an uninterruptible power supply main body (1);
the method is characterized in that: the outer wall of uninterrupted power source main part (1) is equipped with DC input port, the inside of uninterrupted power source main part (1) is equipped with LDO stabiliser (2) with DC input port electric connection, the internally mounted of uninterrupted power source main part (1) has singlechip (3), the one end electric connection of singlechip (3) has chip battery protection shield (4), the opposite side of uninterrupted power source main part (1) outer wall is equipped with USB delivery outlet and direct current delivery outlet, the one end of singlechip (3) is equipped with overcurrent protection circuit.
2. The uninterruptible power supply of claim 1, wherein: and a control switch and an indicator light are arranged on the outer wall of the uninterruptible power supply main body (1) outside the output port.
3. The uninterruptible power supply of claim 1, wherein: the battery is arranged in the uninterruptible power supply main body (1) and has three charging modes of constant voltage, constant current and trickle.
4. The uninterruptible power supply of claim 1, wherein: the output circuits of the uninterruptible power supply main body (1) are DC12V, DC V and USB5V respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221477981.5U CN217824410U (en) | 2022-06-14 | 2022-06-14 | Uninterrupted power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221477981.5U CN217824410U (en) | 2022-06-14 | 2022-06-14 | Uninterrupted power supply |
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| CN217824410U true CN217824410U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221477981.5U Active CN217824410U (en) | 2022-06-14 | 2022-06-14 | Uninterrupted power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543804A (en) * | 2024-01-10 | 2024-02-09 | 深圳市新鹏翔电子有限公司 | Compact UPS power supply emergency power supply system |
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2022
- 2022-06-14 CN CN202221477981.5U patent/CN217824410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543804A (en) * | 2024-01-10 | 2024-02-09 | 深圳市新鹏翔电子有限公司 | Compact UPS power supply emergency power supply system |
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