CN107370207B - Power supply charging device - Google Patents
Power supply charging device Download PDFInfo
- Publication number
- CN107370207B CN107370207B CN201710624266.7A CN201710624266A CN107370207B CN 107370207 B CN107370207 B CN 107370207B CN 201710624266 A CN201710624266 A CN 201710624266A CN 107370207 B CN107370207 B CN 107370207B
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- Prior art keywords
- power supply
- switch assembly
- circuit
- terminal
- control
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
Abstract
The invention discloses a power supply charging device, comprising: the charging device comprises an external power supply, an MOS tube, a control element, a power supply to be charged and a voltage stabilizing device, wherein a first end of the MOS tube is connected with the external power supply, a second end of the MOS tube is connected with the power supply to be charged, a control end of the MOS tube is connected with the control element through the voltage stabilizing device, and the control element is connected with the power supply to be charged. By utilizing the invention, the voltage stabilizing device is additionally arranged between the MOS tube and the control element, and the voltage jitter in the charging circuit is eliminated through the voltage stabilizing device, so that the voltage is always stabilized in a certain range, and the normal charging of the standby power supply is ensured. The reliability of the standby power supply is improved.
Description
Technical Field
The invention relates to the technical field of charging, in particular to a power supply charging device.
Background
The backup power source is a power source for maintaining the electrical device or some part thereof in normal operation for non-safety reasons when the normal power source is cut off. The normally powered power supply is sometimes powered off frequently due to uncertain external factors, and when the normal power supply is powered off, the standby power supply can immediately supply power to the electric equipment needing emergency use.
On present storage system, the requirement for the reliable performance of product is higher and higher, in order to guarantee that data does not lose under the power supply abnormal condition, this just needs when the system cuts off the power supply, uses stand-by power supply to supply power to entire system, lets during cache data normally writes into the hard disk to guarantee the safety of data. It can be seen that the reliability of the backup power supply is very important.
In the prior art, an external power supply is used for charging a standby power supply, when charging is started, voltage in a circuit is unstable, the voltage can shake upwards by a certain amount of value, once the value exceeds the maximum voltage which can be borne by the circuit, the standby power supply can be damaged, and reliability is low.
Therefore, it is a problem to be solved by those skilled in the art to provide a charging device with a highly reliable power supply by eliminating voltage jitter in the circuit.
Disclosure of Invention
The invention aims to provide a power supply charging device which can eliminate the influence caused by voltage jitter in a circuit and improve the reliability of a power supply.
In order to solve the technical problem, the invention provides a power supply charging device, which comprises an external power supply, an MOS transistor, a control element, a power supply to be charged and a voltage stabilizing device, wherein a first end of the MOS transistor is connected with the external power supply, a second end of the MOS transistor is connected with the power supply to be charged, and a control end of the MOS transistor is connected with the control element through the voltage stabilizing device.
Preferably, the voltage stabilization device includes:
a load circuit, a first end of the load circuit being connected to the control element and the control end of the switch assembly, respectively, and a second end of the load circuit being connected to the second end of the switch assembly and ground, respectively;
the first end of the switch assembly is connected with the second end of the voltage stabilizing circuit;
and the first end of the voltage stabilizing circuit is connected with the MOS tube control end.
Preferably, the voltage stabilizing circuit is an RC network circuit.
Preferably, the load circuit is a circuit formed by connecting a first resistor and a first capacitor in parallel.
Preferably, the control element is a programmable logic device CPLD.
Preferably, the switch component is an NMOS transistor, the first end of the switch component is a drain electrode of the NMOS transistor, the second end of the switch component is a source electrode of the NMOS transistor, and the control end of the switch component is a gate electrode of the NMOS transistor.
Preferably, the switch component is a triode, the first end of the switch component is a collector of the triode, the second end of the switch component is an emitter of the triode, and the control end of the switch component is a base of the triode.
Preferably, the switch assembly is an insulated gate bipolar transistor IGBT, a first end of the switch assembly is a collector of the IGBT, a second end of the switch assembly is an emitter of the IGBT, and a control end of the switch assembly is a gate of the IGBT.
According to the charging slow start device for the standby power supply, the voltage stabilizing device is additionally arranged between the MOS tube and the control element, voltage jitter in the charging circuit is eliminated through the voltage stabilizing device, the voltage is always stabilized within a certain range, and normal charging of the standby power supply is guaranteed. The reliability of the standby power supply is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power charging device according to the present invention;
fig. 2 is a circuit diagram of an embodiment of a power charging apparatus according to the present invention.
Detailed Description
The core of the invention is to provide a power supply charging device, wherein a voltage stabilizing device 2 is additionally arranged between an MOS (metal oxide semiconductor) tube 4 and a control element 1, and the voltage stabilizing device 2 is used for eliminating voltage jitter in a charging circuit, so that the voltage is always stabilized in a certain range, and the normal charging of a standby power supply is ensured. The reliability of the standby power supply is improved.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention provides a power charging device, as shown in fig. 1, fig. 1 is a schematic structural diagram of the power charging device provided by the invention. Including external power source 5, MOS pipe 4, control element 1, treat charging source 3 and voltage regulator device 2, the first end of MOS pipe 4 is connected with external power source 5, and 4 second ends of MOS pipe are connected with treating charging source 3, and the control end of MOS pipe 4 passes through voltage regulator device 2 and connects control element 1, treats charging source 3 and connects external equipment.
Wherein, the process of charging is: the current that external power source 5 provided passes through MOS pipe 4 control end and reaches voltage regulator device 2, passes through voltage regulator device 2 and finally reaches the power 3 that waits to charge, accomplishes the operation of charging. The discharging process is as follows: when the external device is powered off, the power supply 3 to be charged directly transfers the current supplied by the power supply 3 to be charged to the external device to be powered on, in the case where the charging operation has been completed.
In the charging process, since the voltage in the circuit is unstable when charging is started, the voltage may be shaken upwards by a certain amount, and once the value exceeds the maximum voltage that the circuit can bear, the power supply 3 to be charged may be damaged, therefore, the present invention adds a voltage stabilizing device 2 in the charging circuit, as shown in fig. 2, fig. 2 is a circuit diagram of an embodiment of the power supply charging device provided by the present invention.
Wherein, this voltage regulator device 2 includes:
a first end of the load circuit is respectively connected with the control element 1 and the control end of the switch assembly, and a second end of the load circuit is respectively connected with the second end of the switch assembly and the ground;
the load circuit is a circuit formed by connecting a first resistor R1 and a first capacitor C1 in parallel.
It is to be understood that the present invention is not limited to the specific values of the first resistor R1 and the first capacitor C1.
The first end of the switch assembly is connected with the second end of the voltage stabilizing circuit;
and a first end of the voltage stabilizing circuit is connected with the control end of the MOS tube 4, and a second end of the voltage stabilizing circuit is connected with a first end of the switch assembly.
Preferably, the switch element may be an NMOS transistor, in which case, the first terminal of the switch element is a drain of the NMOS transistor and is connected to the second terminal of the voltage regulator circuit, the second terminal of the switch element is a source of the NMOS transistor and is respectively connected to the second terminal of the load circuit and the ground, and the control terminal of the switch element is a gate of the NMOS transistor and is respectively connected to the first terminal of the load circuit and the control element 1.
Preferably, the switch assembly may also be a triode, in which case, the first end of the switch assembly is a collector of the triode and is connected to the second end of the voltage stabilizing circuit, the second end of the switch assembly is an emitter of the triode and is respectively connected to the second end of the load circuit and ground, and the control end of the switch assembly is a base of the triode and is respectively connected to the first end of the load circuit and the control element 1.
Preferably, the switch assembly may also be an insulated gate bipolar transistor IGBT, the first terminal of the switch assembly is a collector of the IGBT and is connected to the second terminal of the voltage stabilizing circuit, the second terminal of the switch assembly is an emitter of the IGBT and is connected to the second terminal of the load circuit and the ground, respectively, and the control terminal of the switch assembly is a gate of the IGBT and is connected to the first terminal of the load circuit and the control element 1, respectively.
Wherein, control element 1 gives the power of waiting to charge and sends the instruction, lets the inside charging channel that opens of power of waiting to charge, and the electric current flows in through MOS pipe 4 and waits to charge the power, and MOS pipe 4 passes through voltage regulator 2 and connects control element 1, and voltage regulator 2 can carry out the steady voltage to the electric current that flows through MOS pipe 4 for the voltage of the electric current that flows in through MOS pipe 4 and waits to charge the power is stable. The control element 1 is preferably a programmable logic device CPLD, although the invention is not limited to the type of switching assembly and control element 1.
It can be understood that the voltage stabilizing circuit is an RC network circuit, and the circuit has a second resistor R2, a third resistor R3 and a second capacitor C2, and the third resistor R3 is connected in parallel with the second capacitor C2 and then connected in series with the second resistor R2 to form the RC network circuit. By selecting the parameters of these three devices, the time for which the power supply 3 to be charged is turned on for charging can be set. Of course, the present invention is not limited to specific values of the second resistor R2, the second capacitor C2, and the third resistor R3.
According to the charging slow start device for the standby power supply, the voltage stabilizing device is additionally arranged between the MOS tube and the control element, voltage jitter in the charging circuit is eliminated through the voltage stabilizing device, the voltage is always stabilized within a certain range, and normal charging of the standby power supply is guaranteed. The reliability of the standby power supply is improved.
The power charging device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. A power supply charging device is characterized by comprising an external power supply, an MOS tube, a control element, a power supply to be charged and a voltage stabilizing device, wherein a first end of the MOS tube is connected with the external power supply, a second end of the MOS tube is connected with the power supply to be charged, a control end of the MOS tube is connected with a first end of the control element through the voltage stabilizing device, and a second end of the control element is connected with a charging starting control end of the power supply to be charged;
the voltage stabilizer includes:
a load circuit, a first end of the load circuit being connected to the control element and the control end of the switch assembly, respectively, and a second end of the load circuit being connected to the second end of the switch assembly and ground, respectively;
the first end of the switch assembly is connected with the second end of the voltage stabilizing circuit;
and the first end of the voltage stabilizing circuit is connected with the MOS tube control end.
2. The apparatus of claim 1, wherein the voltage regulator circuit is an RC network circuit.
3. The apparatus of claim 1, wherein the load circuit is a circuit having a first resistor and a first capacitor connected in parallel.
4. The device of claim 1, wherein the control element is a programmable logic device (CPLD).
5. The apparatus of claim 1, wherein the switch element is an NMOS transistor, the first terminal of the switch element is a drain of the NMOS transistor, the second terminal of the switch element is a source of the NMOS transistor, and the control terminal of the switch element is a gate of the NMOS transistor.
6. The apparatus of claim 1, wherein the switch assembly is a transistor, the first terminal of the switch assembly is a collector of the transistor, the second terminal of the switch assembly is an emitter of the transistor, and the control terminal of the switch assembly is a base of the transistor.
7. The apparatus of claim 1, wherein the switch assembly is an Insulated Gate Bipolar Transistor (IGBT), the first terminal of the switch assembly is a collector of the IGBT, the second terminal of the switch assembly is an emitter of the IGBT, and the control terminal of the switch assembly is a gate of the IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624266.7A CN107370207B (en) | 2017-07-27 | 2017-07-27 | Power supply charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624266.7A CN107370207B (en) | 2017-07-27 | 2017-07-27 | Power supply charging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107370207A CN107370207A (en) | 2017-11-21 |
| CN107370207B true CN107370207B (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624266.7A Active CN107370207B (en) | 2017-07-27 | 2017-07-27 | Power supply charging device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107370207B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2444334Y (en) * | 1999-11-17 | 2001-08-22 | 神达电脑股份有限公司 | Electric source device with spare power |
| CN102012732B (en) * | 2009-09-08 | 2012-11-21 | 佛山市顺德区顺达电脑厂有限公司 | Electronic device with circuit for preventing contact sparks |
| CN104852440B (en) * | 2015-06-10 | 2017-12-29 | 联想(北京)有限公司 | A kind of charging circuit and electronic equipment |
| CN106788362B (en) * | 2017-03-13 | 2023-05-30 | 深圳怡化电脑股份有限公司 | Hot plug control circuit for box power supply |
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2017
- 2017-07-27 CN CN201710624266.7A patent/CN107370207B/en active Active
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| Publication number | Publication date |
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| CN107370207A (en) | 2017-11-21 |
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Effective date of registration: 20200821 Address after: 215100 No. 1 Guanpu Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 450018 Henan province Zheng Dong New District of Zhengzhou City Xinyi Road No. 278 16 floor room 1601 Applicant before: ZHENGZHOU YUNHAI INFORMATION TECHNOLOGY Co.,Ltd. |
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