CN206421325U - A kind of computer hardware power supply circuit - Google Patents
A kind of computer hardware power supply circuit Download PDFInfo
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- CN206421325U CN206421325U CN201720081288.9U CN201720081288U CN206421325U CN 206421325 U CN206421325 U CN 206421325U CN 201720081288 U CN201720081288 U CN 201720081288U CN 206421325 U CN206421325 U CN 206421325U
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Abstract
The utility model discloses a kind of computer hardware power supply circuit, including chip IC 1, electric capacity C1, metal-oxide-semiconductor Q2 and triode V2, one end connection metal-oxide-semiconductor Q2 of electric capacity C1 drain electrode, the pin 2 and the positive voltage output end of power module of chip IC 1, the negative voltage output head grounding of power module, the input connection civil power of power module, the connecting triode V1 of pin 7 of chip IC 1 base stage, triode V1 base A Ji connection resistance R2.The utility model computer hardware power supply circuit is used as master element using voltage monitoring chip, it is additionally provided with battery, the purpose of uninterrupted voltage output is realized by changing the conducting of triode and metal-oxide-semiconductor, the supply of output voltage can be also met after main power source power down, therefore has the advantages that performance is stable, it is accurate and easy to use to control.
Description
Technical field
The utility model is related to a kind of power supply, specifically a kind of computer hardware power supply circuit.
Background technology
With the continuous improvement of people's living standards, computer has become a part essential in life, especially
It is that life, work that desktop computer and notebook give people bring great convenience.
The Specifeca tion speeification of computer is decided by the performance of the hardware such as its mainboard, video card, CPU, mainboard can by video card,
CPU, internal memory etc. are perfectly combined together, and the power consumption of these hardware facilities is larger, it is necessary to the power supply of stabilization.Existing market
Power type is various, and its mid and low-end products is especially more, although low-end product has the advantage of price with respect to high-end product, but matter
Amount often complies with one's wishes not to the utmost, and common power supply has a defects such as single function, short life, interference free performance difference, and high-end product
Although reliable in quality, safety and stability, price is high also to allow people to hang back.Therefore need to be improved.
Utility model content
The purpose of this utility model is to provide a kind of computer hardware power supply circuit, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：
A kind of computer hardware power supply circuit, including chip IC 1, electric capacity C1, metal-oxide-semiconductor Q2 and triode V2, the electric capacity
C1 one end connection metal-oxide-semiconductor Q2 drain electrode, the pin 2 and the positive voltage output end of power module of chip IC 1, power module it is negative
Voltage output end is grounded, the input connection civil power of power module, the connecting triode V1 of pin 7 of chip IC 1 base stage, three poles
Pipe V1 base A Ji connections resistance R2, resistance the R2 other end connecting triode V2 base stage, metal-oxide-semiconductor Q2 grid connection electricity
Hinder R1 and the pin 1 of chip IC 2, triode V2 emitter stage connection resistance the R1 other end, metal-oxide-semiconductor Q2 source electrode, diode
D1 negative electrode, output voltage U1, the pin 16 of the pin 10 of chip IC 2 and chip IC 2, triode V2 colelctor electrode connection inductance
L1, electric capacity C2 and battery E negative pole, the battery E positive pole connection electric capacity C2 other end and ground connection, the inductance L1 other end
Connect the drain electrode of diode D1 anode and metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 source electrode connection resistance R3, metal-oxide-semiconductor Q1 grid connection core
Piece IC2 pin 12, the IC2 connection electric capacity of pin 6 C3.
It is used as preferred scheme of the present utility model：The power module is by voltage reduction module, rectification module and Voltage stabilizing module group
Into the rated value of its output voltage is 24V.
It is used as preferred scheme of the present utility model：The model MAX709 of the chip IC 1.
It is used as preferred scheme of the present utility model：The model MAX720 of the chip IC 2.
It is used as preferred scheme of the present utility model：The model 9013 of the triode V1, triode V2 model
9012。
It is used as preferred scheme of the present utility model：The model of the metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 are IRF7313.
Compared with prior art, the beneficial effects of the utility model are：The utility model computer hardware power supply circuit is adopted
With voltage monitoring chip as master element, it is additionally provided with battery, is realized not by changing the conducting of triode and metal-oxide-semiconductor
The purpose of back-lash voltage output, can also meet the supply of output voltage after main power source power down, therefore with performance stabilization, control
Precisely with advantage easy to use.
Brief description of the drawings
Fig. 1 is the circuit diagram of computer hardware power supply circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, a kind of computer hardware power supply circuit, including chip IC 1, electric capacity C1, metal-oxide-semiconductor Q2 and triode
V2, the electric capacity C1 one end connection metal-oxide-semiconductor Q2 drain electrode, the pin 2 and the positive voltage output end of power module of chip IC 1,
The negative voltage output head grounding of power module, the input connection civil power of power module, the connecting triode of pin 7 of chip IC 1
V1 base stage, triode V1 base A Ji connections resistance R2, resistance the R2 other end connecting triode V2 base stage, metal-oxide-semiconductor
Q2 grid connection resistance R1 and the pin 1 of chip IC 2, triode V2 emitter stage connection resistance the R1 other end, metal-oxide-semiconductor Q2
Source electrode, diode D1 negative electrode, output voltage U1, the pin 16 of the pin 10 of chip IC 2 and chip IC 2, triode V2's
Colelctor electrode connection inductance L1, electric capacity C2 and battery E negative pole, the battery E positive pole connection electric capacity C2 other end and ground connection,
The drain electrode of the inductance L1 other end connection diode D1 anode and metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 source electrode connection resistance R3, metal-oxide-semiconductor
Q1 grid connects the pin 12 of chip IC 2, the IC2 connection electric capacity of pin 6 C3.
Power module is made up of voltage reduction module, rectification module and Voltage stabilizing module, and the rated value of its output voltage is 24V.Core
Piece IC1 model MAX709.The model MAX720 of chip IC 2.Triode V1 model 9013, triode V2 model
For 9012.Metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 model are IRF7313.
Operation principle of the present utility model is：This circuit realiration remains to continue to output end when the main power source power down after
Chip IC 1 in the function of U1 voltage, circuit is supervisory circuit, and row is monitored when its 2 pin is to main power source, and 7 pin are output as high electricity
Usually, transistor V1 is in the conduction state so that DC/DC converter ICs 2 are off pattern, and connects Q1 and V2 fills to battery
Electricity.When main power source VCC voltages drop to IC1 reset threshold level, 7 pin output low level V1 and V2 cut-off, IC2 is in work
Pattern, the voltage that the output of uninterrupted power source is brought up to needed for load again.When main power source continues to drop to below threshold level,
Whether 7 pin keep the low level of a period of time, returned to more than threshold level but regardless of main power source now, this ensure that disconnected
The completion of electric handoff procedure.After main power source power down, battery E remains to maintain IC2 normal voltage output, so that it is guaranteed that between not
Cut-off electricity.
Claims (6)
1. a kind of computer hardware power supply circuit, including chip IC 1, electric capacity C1, metal-oxide-semiconductor Q2 and triode V2, it is characterised in that
One end connection metal-oxide-semiconductor Q2 of electric capacity C1 drain electrode, the pin 2 and the positive voltage output end of power module of chip IC 1, power supply
The negative voltage output head grounding of module, the input connection civil power of power module, the connecting triode V1's of pin 7 of chip IC 1
Base stage, triode V1 base A Ji connections resistance R2, resistance the R2 other end connecting triode V2 base stage, metal-oxide-semiconductor Q2's
Grid connects resistance R1 and the pin 1 of chip IC 2, the triode V2 emitter stage connection resistance R1 other end, metal-oxide-semiconductor Q2 source
Pole, diode D1 negative electrode, output voltage U1, the pin 16 of the pin 10 of chip IC 2 and chip IC 2, triode V2 current collection
Pole connection inductance L1, electric capacity C2 and battery E negative pole, the battery E positive pole connection electric capacity C2 other end and ground connection, inductance
The drain electrode of the L1 other end connection diode D1 anode and metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 source electrode connection resistance R3, metal-oxide-semiconductor Q1's
Grid connects the pin 12 of chip IC 2, the IC2 connection electric capacity of pin 6 C3.
2. a kind of computer hardware power supply circuit according to claim 1, it is characterised in that the power module is by being depressured
Module, rectification module and Voltage stabilizing module composition, the rated value of its output voltage is 24V.
3. a kind of computer hardware power supply circuit according to claim 1, it is characterised in that the model of the chip IC 1
For MAX709.
4. a kind of computer hardware power supply circuit according to claim 1, it is characterised in that the model of the chip IC 2
For MAX720.
5. a kind of computer hardware power supply circuit according to claim 1, it is characterised in that the model of the triode V1
For 9013, triode V2 model 9012.
6. a kind of computer hardware power supply circuit according to claim 1, it is characterised in that the metal-oxide-semiconductor Q1 and metal-oxide-semiconductor
Q2 model is IRF7313.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081288.9U CN206421325U (en) | 2017-01-22 | 2017-01-22 | A kind of computer hardware power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081288.9U CN206421325U (en) | 2017-01-22 | 2017-01-22 | A kind of computer hardware power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421325U true CN206421325U (en) | 2017-08-18 |
Family
ID=59572428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720081288.9U Expired - Fee Related CN206421325U (en) | 2017-01-22 | 2017-01-22 | A kind of computer hardware power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352137A (en) * | 2021-12-15 | 2022-04-15 | 无锡市弘智创汽车零部件有限公司 | Sliding door lock and working method thereof |
-
2017
- 2017-01-22 CN CN201720081288.9U patent/CN206421325U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352137A (en) * | 2021-12-15 | 2022-04-15 | 无锡市弘智创汽车零部件有限公司 | Sliding door lock and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20180122 |