CN207283247U - A kind of hot-swappable power-supply system - Google Patents
A kind of hot-swappable power-supply system Download PDFInfo
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- CN207283247U CN207283247U CN201721267367.5U CN201721267367U CN207283247U CN 207283247 U CN207283247 U CN 207283247U CN 201721267367 U CN201721267367 U CN 201721267367U CN 207283247 U CN207283247 U CN 207283247U
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Abstract
The utility model discloses a kind of hot-swappable power-supply system, belong to power technique fields.The system includes main battery, secondary cell, switching circuit, detection circuit, regulator circuit；Main battery and secondary cell are connected with the input terminal of switching circuit respectively；Detection circuit includes hot-swappable power management chip, and hot-swappable power management chip is connected with switching circuit, main battery, secondary cell；The output terminal of switching circuit and the input terminal of regulator circuit connect；The output terminal of regulator circuit is the output terminal of hot-swappable power-supply system；Solve the problems, such as that equipment shutdown replaces power supply and causes work efficiency drop；Reach and realize that the electric power system of equipment is hot-swappable, avoid it is hot-swappable during surge current equipment is caused to damage, improve the effect of the work efficiency of equipment.
Description
Technical field
The utility model embodiment is related to power technique fields, more particularly to a kind of hot-swappable power-supply system.
Background technology
The finite capacity of the internal battery of conventional accumulation power supply, once the electricity of internal battery exhausts, equipment can only stop
Machine or the power supply more renewed.
The capacity of existing reserve battery is smaller, and be cured can not be hot-swappable, is normally only used for equipment and finally finishes up work
As when preserve data, usage time is short.
However, many equipment requirements do not power off use for a long time, once having a power failure is easy to cause work efficiency drop, or even lead
Cause property loss.
Utility model content
In order to solve problem of the prior art, the utility model embodiment provides a kind of hot-swappable power-supply system.The skill
Art scheme is as follows：
First aspect, there is provided a kind of hot-swappable power-supply system, the system include main battery, secondary cell, switching circuit, inspection
Slowdown monitoring circuit, regulator circuit；
The input terminal of the main battery and the secondary cell respectively with the switching circuit is connected；
The detection circuit includes hot-swappable power management chip, the hot-swappable power management chip and the switching electricity
Road, main battery, secondary cell connection；
The output terminal of the switching circuit is connected with the input terminal of the regulator circuit；
The output terminal of the regulator circuit is the output terminal of the hot-swappable power-supply system.
Optionally, the switching circuit includes field-effect tube, resistor and triode；
The source electrode of first field-effect tube is connected with the source electrode of the second field-effect tube；
The grid of first field-effect tube is connected with the grid of second field-effect tube；
First resistor device is connected between two common ports of first field-effect tube and the second field-effect tube；
The first resistor device is connected with the collector of the first triode, the emitter of first triode with it is described steady
Volt circuit connects, and the base stage of first triode is connected with the detection circuit；
Second resistance device is connected between the base stage of first triode and the emitter；
The drain electrode of first field-effect tube is connected respectively with the main battery, the secondary cell；
The drain electrode of second field-effect tube is connected with the input terminal of the regulator circuit.
Optionally, the regulator circuit includes triode and diode；
The cathode of first diode connects the output terminal of the switching circuit；
The anode of first diode is connected with the collector of the second triode；
3rd resistor device is connected between the base stage and collector of second triode；
The base stage of second triode connects the anode of the second diode；
The cathode of the emitter of second triode and second diode forms the output terminal of the regulator circuit.
Optionally, the detection circuit includes hot-swappable power management chip；
The fault-signal end and normal signal end of the hot-swappable power management chip are connected with the switching circuit respectively；
The power end of the hot-swappable power management chip connects the main battery and the secondary cell.
Optionally, which further includes electric power management circuit；
The electric power management circuit is connected respectively with the main battery, the secondary cell；
The electric power management circuit includes power management chip.
The beneficial effect brought of technical solution that the utility model embodiment provides is：
Hot-swappable power-supply system includes main battery, secondary cell, switching circuit, detection circuit, regulator circuit, main battery and pair
Battery is connected with the input terminal of switching circuit respectively；Detection circuit is connected with switching circuit, main battery, secondary cell；Switching circuit
Output terminal and regulator circuit input terminal connect；The output terminal of regulator circuit is the output terminal of hot-swappable power-supply system；By cutting
Change the switching of circuit control main battery and secondary cell, when an out of power in main battery, secondary cell is pulled out, detection circuit root
High voltage is provided according to the signal detected, limits high surge current, regulator circuit regulated output voltage；Solves equipment shutdown
Replace the problem of power supply causes work efficiency drop；Reach and realize that the electric power system of equipment is hot-swappable, avoid hot-swappable process
Middle surge current causes to damage to equipment, improves the effect of the work efficiency of equipment.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structure diagram of hot-swappable power-supply system according to an exemplary embodiment；
Fig. 2 is a kind of circuit diagram of hot-swappable power-supply system according to an exemplary embodiment.
Embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Please refer to Fig.1, the structure diagram of the hot-swappable power-supply system provided it illustrates the utility model one embodiment.
As shown in Figure 1, the hot-swappable power-supply system includes main battery 110, secondary cell 120, switching circuit 130, detection circuit 150, steady
Volt circuit 140.
The input terminal of main battery 110 and secondary cell 120 respectively with switching circuit 130 is connected.
Detection circuit 150 includes hot-swappable power management chip, the hot-swappable managing chip in detection circuit 150 and switching
Circuit 130, main battery 110, secondary cell 120 connect.
The output terminal of switching circuit 130 is connected with the input terminal of regulator circuit 140.
The output terminal of regulator circuit 140 is the output terminal of hot-swappable power-supply system.
The output terminal of regulator circuit 140 is connected with electrical equipment 100.
Wherein, main battery 110 and secondary cell 120 are used to power when providing power supply, main battery 110 and different secondary cell 120.
Detection circuit 150 is used to detect signal when main battery and secondary cell switching, prevents from accessing or removing electrical equipment
There is surge current during the development hardware equipment of periphery.
Switching circuit 130 is used to control main battery and secondary cell to switch.
Regulator circuit 140 is used for regulated output voltage, ensures that power-supply system stablizes continued power.
Optionally, which further includes electric power management circuit 160.
Electric power management circuit is connected respectively with main power source 110 and auxiliary power 120.
Electric power management circuit includes power management chip.
Electric power management circuit is used for main power source, auxiliary power is monitored, equilibrium, overvoltage etc. are protected.
In the alternative embodiment based on embodiment illustrated in fig. 1, switching circuit includes field-effect tube, resistor and three poles
Pipe, regulator circuit include triode and diode, and detection circuit includes hot-swappable power management chip；Fig. 2 is exemplarily illustrated
A kind of circuit diagram of hot-swappable power-supply system, as shown in Figure 2：
In switching circuit, the source electrode of the first field-effect tube A1 is connected with the source electrode of the second field-effect tube A2；
The grid of first field-effect tube A1 is connected with the grid of the second field-effect tube A2；
First resistor device R1 is connected between first field-effect tube A1 and two common ports of the second field-effect tube A2；
First resistor device R1 is connected with the collector of the first triode Q1, the emitter and regulator circuit of the first triode Q1
Connection, the base stage of the first triode Q1 are connected with detection circuit.
Specifically, the base stage of the first triode Q1 in switching circuit passes through resistor R2 and hot-swappable power management chip
Normal signal end PG, the fault-signal end FLT of TPS2350D is connected respectively.
Second resistance device R3 is connected between the base stage and emitter of first triode Q1；
The drain electrode of first field-effect tube A1 is connected respectively with main battery 110, secondary cell 120.
The drain electrode of second field-effect tube Q2 and the input terminal of regulator circuit connect.
In regulator circuit, the output terminal of the cathode connection switching circuit of the first diode D1.
The anode of first diode D1 is connected with the collector of the second triode Q2；
3rd resistor device R4 is connected between the base stage and collector of second triode Q2；
The base stage of second triode Q2 connects the anode of the second diode D2；
The cathode of the emitter of second triode Q2 and the second diode D2 form the output end vo ut of regulator circuit.
In detection circuit, power end-VINA ,-VINB the connection main battery of hot-swappable power management chip TPS2350D
110 and secondary cell 120.
In conclusion the hot-swappable power-supply system that the utility model embodiment provides, including main battery, secondary cell, switching
Circuit, detection circuit, regulator circuit, main battery and secondary cell are connected with the input terminal of switching circuit respectively；Detection circuit is with cutting
Change circuit, main battery, secondary cell connection；The output terminal of switching circuit and the input terminal of regulator circuit connect；Regulator circuit it is defeated
Outlet is the output terminal of hot-swappable power-supply system；The switching of main battery and secondary cell is controlled by switching circuit, in main battery, secondary electricity
When an out of power in pond is pulled out, detection circuit provides high voltage according to the signal detected, limits high surge current, surely
Volt circuit regulated output voltage；Solve the problems, such as that equipment shutdown replaces power supply and causes work efficiency drop；Realization is reached to set
Standby electric power system is hot-swappable, avoid it is hot-swappable during surge current equipment is caused to damage, improve the work efficiency of equipment
Effect.
It should be noted that：Above-mentioned the utility model embodiment sequence number is for illustration only, does not represent the quality of embodiment.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of hot-swappable power-supply system, it is characterised in that the system comprises main battery, secondary cell, switching circuit, detection electricity
Road, regulator circuit；
The input terminal of the main battery and the secondary cell respectively with the switching circuit is connected；
The detection circuit includes hot-swappable power management chip, the hot-swappable power management chip and the switching circuit,
Main battery, secondary cell connection；
The output terminal of the switching circuit is connected with the input terminal of the regulator circuit；
The output terminal of the regulator circuit is the output terminal of the hot-swappable power-supply system.
2. system according to claim 1, it is characterised in that the switching circuit includes field-effect tube, resistor and three
Pole pipe；
The source electrode of first field-effect tube is connected with the source electrode of the second field-effect tube；
The grid of first field-effect tube is connected with the grid of second field-effect tube；
First resistor device is connected between two common ports of first field-effect tube and the second field-effect tube；
The first resistor device is connected with the collector of the first triode, emitter and the voltage stabilizing electricity of first triode
Road connects, and the base stage of first triode is connected with the detection circuit；
Second resistance device is connected between the base stage of first triode and the emitter；
The drain electrode of first field-effect tube is connected respectively with the main battery, the secondary cell；
The drain electrode of second field-effect tube is connected with the input terminal of the regulator circuit.
3. system according to claim 1, it is characterised in that the regulator circuit includes triode and diode；
The cathode of first diode connects the output terminal of the switching circuit；
The anode of first diode is connected with the collector of the second triode；
3rd resistor device is connected between the base stage and collector of second triode；
The base stage of second triode connects the anode of the second diode；
The cathode of the emitter of second triode and second diode forms the output terminal of the regulator circuit.
4. system according to claim 1, it is characterised in that the fault-signal end of the hot-swappable power management chip and
Normal signal end is connected with the switching circuit respectively；
The power end of the hot-swappable power management chip connects the main battery and the secondary cell.
5. system according to any one of claims 1 to 4, it is characterised in that further include electric power management circuit；
The electric power management circuit is connected respectively with the main battery, the secondary cell；
The electric power management circuit includes power management chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267367.5U CN207283247U (en) | 2017-09-28 | 2017-09-28 | A kind of hot-swappable power-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267367.5U CN207283247U (en) | 2017-09-28 | 2017-09-28 | A kind of hot-swappable power-supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207283247U true CN207283247U (en) | 2018-04-27 |
Family
ID=61987200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721267367.5U Active CN207283247U (en) | 2017-09-28 | 2017-09-28 | A kind of hot-swappable power-supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207283247U (en) |
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2017
- 2017-09-28 CN CN201721267367.5U patent/CN207283247U/en active Active
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