CN109765982A - A kind of power circuit for computer - Google Patents
A kind of power circuit for computer Download PDFInfo
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- CN109765982A CN109765982A CN201910092839.5A CN201910092839A CN109765982A CN 109765982 A CN109765982 A CN 109765982A CN 201910092839 A CN201910092839 A CN 201910092839A CN 109765982 A CN109765982 A CN 109765982A
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Abstract
The invention discloses a kind of power circuit for computer, including rectifying voltage reduction module, filter, voltage detection module, switch element, energy-storage module and indicator light, the voltage input end of the rectification voltage reduction module connects alternating current input module, rectify the voltage input end of the voltage output end connection filter of voltage reduction module, the voltage output end of filter is separately connected switch element and voltage detection module, the output end connection switch element of voltage detection module, computer security power circuit of the present invention is using alternating current and battery as power unit, has the function of dual power supply, and it is provided with under-voltage protective module in circuit, alarm also is provided in the undertension of battery simultaneously, therefore have vdiverse in function, advantage easy to use and that control is accurate, effectively ensure continuing working for desktop computer, it avoids making because of situations such as having a power failure The case where at that can not work.
Description
Technical field
The present invention relates to a kind of power circuit, specifically a kind of power circuit for computer.
Background technique
With the continuous improvement of people's living standards, electronic equipment has become essential a part in life, especially
It is desktop computer, and good performance brings great convenience to people's lives, work, and this kind of electronic device will
Ask that a precision is higher, the biggish constant voltage dc source of electric current.
The constant voltage dc source of existing market is many kinds of, and mid and low-end products are especially more, although low-end product is relatively high
End product has the advantage of price, but quality often complies with one's wishes not to the utmost, common regulated power supply exist have a single function, the service life
It is short, debugging maintenance difficult the defects of, although and high-end product reliable in quality, safety and stability, it is at high price also allow people hope and
Step back.It is even more fewer and fewer especially the power supply centainly protected can be provided computer.
Summary of the invention
The purpose of the present invention is to provide a kind of power circuit for computer, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of power circuit for computer, including rectification voltage reduction module, filter, voltage detection module, switch element, energy-storage module
And indicator light, the voltage input end of the rectification voltage reduction module connect alternating current input module, rectify the voltage output of voltage reduction module
The voltage input end of end connection filter, the voltage output end of filter are separately connected switch element and voltage detection module, electricity
The output end connection switch element of detection module is pressed, switch element is also connected with energy-storage module and computer, and energy-storage module connects respectively
Connect indicating lamp module and computer.
As further technical solution of the present invention: the rectification voltage reduction module includes resistance R1, capacitor C1 and rectifier bridge
T, resistance R1 and capacitor C1 form capacitance-resistance voltage reduction circuit, and capacitance-resistance voltage reduction circuit one end connects 220V alternating current, and other end connection is whole
The input port 1 of bridge T is flowed, the input port 3 of rectifier bridge T connects the other end of 220V alternating current.
As further technical solution of the present invention: the filter includes inductance L1, inductance L2, capacitor C2 and capacitor
The output port 2 of one end connection capacitor C2 and rectifier bridge T of C3, inductance L1, the other end connection inductance L2 of capacitor C2 and rectification
The output port 4 of bridge T, the other end of inductance L2 connect capacitor C3, the other end of the other end connection capacitor C3 of inductance L1.
As further technical solution of the present invention: the voltage detection module includes resistance R2, three end adjustable reference sources
D1, resistance R3, resistance R4 and voltage comparator U1, switch element are triode V2, and one end of resistance R2 connects three end adjustable substrates
The foot 1 of quasi- source D1 and voltage comparator U1, the foot 3 of one end connection resistance R4 and voltage comparator U1 of resistance R3, voltage compares
The base stage of the 4 connecting triode V2 of foot of device U1, the collector connection other end of resistance R2 of triode V2, resistance R3 it is another
The other end at end, inductance L1 and capacitor C3, resistance R4 connects the other end, capacitor C3 and the inductance L2 of three end adjustable reference source D1,
The emitter of triode V2 connects energy-storage module.
As further technical solution of the present invention: the energy-storage module includes triode V1, relay K, resistance R5, electricity
Hinder the anode connection resistance R5 of R6, battery E and diode D2, battery E, the cathode and triode of relay K, diode D2
The collector of the emitter of V2, the base stage and resistance R6 of the other end connecting triode V1 of resistance R5, triode V1 connects relay
The other end of device K and the anode of diode D2, the emitter connection other end of resistance R6 of triode V1, battery E cathode,
Capacitor C3 and inductance L2, the both ends of battery E are connected in parallel to computer.
As further technical solution of the present invention: the indicating lamp module includes the contact K-1 and lamps and lanterns L of relay K,
The contact K-1 and lamps and lanterns L of relay K is connected in parallel on the both ends of battery E after being connected in series.
As further technical solution of the present invention: the alternating current input module is three hole plugs.
Compared with prior art, the beneficial effects of the present invention are: computer security power circuit of the present invention using alternating current and
Battery has the function of dual power supply as power unit, and is provided with under-voltage protective module in circuit, simultaneously also
Alarm is provided in the undertension of battery, therefore has the advantages that vdiverse in function, easy to use and control is accurate, is effectively ensured
Desktop computer situations such as continuing working, avoid because having a power failure caused by the case where can not working.
Detailed description of the invention
Fig. 1 is overall block diagram of the invention.
Fig. 2 is integrated circuit figure of the invention.
Fig. 3 is the circuit diagram of energy-storage module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: please referring to Fig. 1-3, a kind of power circuit for computer, including for by higher alternating voltage change into compared with
The rectification voltage reduction module of low DC voltage, for filtering out the filter of harmonic wave interference in power grid, for collection voltages signal
Voltage detection module is owed for the switch element of control circuit on-off, the energy-storage module for storing electric energy and for battery
The indicator light of instruction is pressed, the voltage input end of the rectification voltage reduction module connects alternating current input module, rectifies the electricity of voltage reduction module
The voltage input end of output end connection filter is pressed, the voltage output end of filter is separately connected switch element and voltage detecting mould
Block, the output end connection switch element of voltage detection module, switch element are also connected with energy-storage module and computer, energy-storage module point
It Lian Jie not indicating lamp module and computer.
Electric main accesses circuit by Three-hole socket, exports after over commutation voltage reduction module and filter later stable
DC voltage, this voltage divide two-way to export, and enter energy-storage module and computer by switch element all the way, and another way enters voltage
Detection module, switch element is controlled on-off by the output signal of voltage detection module, when encountering undervoltage condition, voltage detecting
Module can control switch element disconnecting circuit, prevent under-voltage power supply, and energy-storage module also has indicator light, can be in energy-storage module
Lamplight pointing is carried out when not enough power supply.
Embodiment 2, on the basis of embodiment 1, the circuit of the design are as shown in Figure 2, wherein rectifying voltage reduction module includes
Resistance R1, capacitor C1 and rectifier bridge T, resistance R1 and capacitor C1 form capacitance-resistance voltage reduction circuit, the connection of capacitance-resistance voltage reduction circuit one end
220V alternating current, the other end connect the input port 1 of rectifier bridge T, and the input port 3 of rectifier bridge T connects the another of 220V alternating current
One end.Filter includes inductance L1, inductance L2, capacitor C2 and capacitor C3, and one end of inductance L1 connects capacitor C2's and rectifier bridge T
Output port 2, the output port 4 of the other end connection inductance L2 and rectifier bridge T of capacitor C2, the other end of inductance L2 connect capacitor
The other end of the other end connection capacitor C3 of C3, inductance L1.Voltage detection module include resistance R2, three end adjustable reference source D1,
Resistance R3, resistance R4 and voltage comparator U1, switch element are triode V2, and one end of resistance R2 connects three end adjustable reference sources
The foot 1 of D1 and voltage comparator U1, the foot 3 of one end connection resistance R4 and voltage comparator U1 of resistance R3, voltage comparator U1
4 connecting triode V2 of foot base stage, the collector of triode V2 connects the other end of resistance R2, the other end of resistance R3, electricity
Feel L1 and capacitor C3, the other end of resistance R4 connects the other end, capacitor C3 and the inductance L2 of three end adjustable reference source D1, triode
The emitter of V2 connects energy-storage module.
Inductance L1, inductance L2, capacitor C2 and capacitor C3 form typical pi type filter, resistance R2 and three end adjustable references
Source D1 forms reference voltage circuit, and therefore, the 1 foot voltage of comparator U1 is constant, resistance R3 and resistance R4 composition voltage acquisition electricity
Road, therefore, when voltage occurs under-voltage, the 3 foot voltages of comparator U1 are lower than 1 foot voltage, and comparator U1 exports low level, three poles
Pipe V2 cut-off, disconnects alternating current, prevents under-voltage power supply.
Embodiment 3: the circuit of energy-storage module is as shown in figure 3, including triode V1, relay K, resistance R5, resistance R6, storing
The anode of battery E and diode D2, battery E connect the hair of resistance R5, relay K, the cathode of diode D2 and triode V2
Emitter-base bandgap grading, the base stage and resistance R6 of the other end connecting triode V1 of resistance R5, the collector connection relay K's of triode V1 is another
The emitter of the anode of one end and diode D2, triode V1 connects the other end of resistance R6, the cathode of battery E, capacitor C3
Computer is connected in parallel to the both ends of inductance L2, battery E.Indicating lamp module includes the contact K-1 and lamps and lanterns L of relay K,
The contact K-1 and lamps and lanterns L of relay K is connected in parallel on the both ends of battery E after being connected in series.The compositions such as triode V1, relay K are owed
Detection switch is pressed, when the undertension of battery E, triode V1 cut-off, the contact K-1 of relay K becomes from normally open
Normally off, lamps and lanterns L1 are lighted, as under-voltage lamplight pointing.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of power circuit for computer, including rectification voltage reduction module, filter, voltage detection module, switch element, energy storage mould
Block and indicator light, which is characterized in that the voltage input end of the rectification voltage reduction module connects alternating current input module, rectification decompression mould
The voltage input end of the voltage output end connection filter of block, the voltage output end of filter are separately connected switch element and voltage
Detection module, the output end connection switch element of voltage detection module, switch element are also connected with energy-storage module and computer, energy storage
Module is separately connected indicating lamp module and computer.
2. a kind of power circuit for computer according to claim 1, which is characterized in that the rectification voltage reduction module includes electricity
It hinders R1, capacitor C1 and rectifier bridge T, resistance R1 and capacitor C1 forms capacitance-resistance voltage reduction circuit, capacitance-resistance voltage reduction circuit one end connects 220V
Alternating current, the other end connect the input port 1 of rectifier bridge T, and the input port 3 of rectifier bridge T connects the other end of 220V alternating current.
3. a kind of power circuit for computer according to claim 2, which is characterized in that the filter include inductance L1,
Inductance L2, capacitor C2 and capacitor C3, the output port 2 of one end connection capacitor C2 and rectifier bridge T of inductance L1, capacitor C2's is another
The output port 4 of end connection inductance L2 and rectifier bridge T, the other end of inductance L2 connect capacitor C3, the other end connection of inductance L1
The other end of capacitor C3.
4. a kind of power circuit for computer according to claim 3, which is characterized in that the voltage detection module includes electricity
R2, three end adjustable reference source D1, resistance R3, resistance R4 and voltage comparator U1 are hindered, switch element is triode V2, resistance R2's
One end connects the foot 1 of three end adjustable reference source D1 and voltage comparator U1, and one end connection resistance R4 and voltage of resistance R3 compares
The foot 3 of device U1, the base stage of the 4 connecting triode V2 of foot of voltage comparator U1, the collector connection resistance R2's of triode V2 is another
The other end of one end, the other end of resistance R3, inductance L1 and capacitor C3, resistance R4 connect the another of three end adjustable reference source D1
The emitter at end, capacitor C3 and inductance L2, triode V2 connects energy-storage module.
5. a kind of power circuit for computer according to claim 4, which is characterized in that the energy-storage module includes triode
V1, relay K, resistance R5, resistance R6, battery E and diode D2, anode connection the resistance R5, relay K, two of battery E
The cathode of pole pipe D2 and the emitter of triode V2, the base stage and resistance R6 of the other end connecting triode V1 of resistance R5, three poles
The other end of the collector connection relay K of pipe V1 and the anode of diode D2, the emitter connection resistance R6's of triode V1
The other end, the cathode of battery E, capacitor C3 and inductance L2, the both ends of battery E are connected in parallel to computer.
6. a kind of power circuit for computer according to claim 5, which is characterized in that the indicating lamp module includes relay
The contact K-1 and lamps and lanterns L of the contact K-1 and lamps and lanterns L of device K, relay K are connected in parallel on the both ends of battery E after being connected in series.
7. -6 any a kind of power circuit for computer according to claim 1, which is characterized in that the alternating current input module
For three hole plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092839.5A CN109765982A (en) | 2019-01-30 | 2019-01-30 | A kind of power circuit for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092839.5A CN109765982A (en) | 2019-01-30 | 2019-01-30 | A kind of power circuit for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109765982A true CN109765982A (en) | 2019-05-17 |
Family
ID=66455592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092839.5A Pending CN109765982A (en) | 2019-01-30 | 2019-01-30 | A kind of power circuit for computer |
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| Country | Link |
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| CN (1) | CN109765982A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957769A (en) * | 2017-12-18 | 2018-04-24 | 宁波斯凯勒智能科技有限公司 | A kind of computer intelligence electric power system |
| CN114384840A (en) * | 2021-12-30 | 2022-04-22 | 成都天佑智云科技发展有限公司 | Control system of total station |
| CN114422876A (en) * | 2021-12-30 | 2022-04-29 | 成都天佑智云科技发展有限公司 | Data transmission device of total station |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205960977U (en) * | 2016-05-24 | 2017-02-15 | 湘潭大学兴湘学院 | Multi -functional DC power supply controller |
| CN106972769A (en) * | 2017-05-16 | 2017-07-21 | 国网河南省电力公司平顶山供电公司 | A kind of light current electrical load overvoltage crowbar |
| CN107276030A (en) * | 2017-06-24 | 2017-10-20 | 佛山市德新科技孵化器有限公司 | A kind of safety electric shock-prevention socket circuit |
| CN107612385A (en) * | 2017-08-07 | 2018-01-19 | 杭州乐荣工业精密组件有限公司 | One kind measurement precision components electric power system |
| CN107994893A (en) * | 2017-11-30 | 2018-05-04 | 国网河南省电力公司平顶山供电公司 | A kind of remote control switch circuit |
| CN108153361A (en) * | 2017-12-27 | 2018-06-12 | 山东汉旗科技有限公司 | A kind of DC-stabilized circuit |
| CN108183546A (en) * | 2017-12-23 | 2018-06-19 | 马良彬 | A kind of electrical construction direct current safety power supply |
| CN108649529A (en) * | 2018-03-23 | 2018-10-12 | 绍兴快晴贸易有限公司 | A kind of direct-flow electricity utilization apparatus protector |
| CN108730597A (en) * | 2018-04-09 | 2018-11-02 | 杨东雨 | A kind of solenoid valve overvoltage protection starting switch |
-
2019
- 2019-01-30 CN CN201910092839.5A patent/CN109765982A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205960977U (en) * | 2016-05-24 | 2017-02-15 | 湘潭大学兴湘学院 | Multi -functional DC power supply controller |
| CN106972769A (en) * | 2017-05-16 | 2017-07-21 | 国网河南省电力公司平顶山供电公司 | A kind of light current electrical load overvoltage crowbar |
| CN107276030A (en) * | 2017-06-24 | 2017-10-20 | 佛山市德新科技孵化器有限公司 | A kind of safety electric shock-prevention socket circuit |
| CN107612385A (en) * | 2017-08-07 | 2018-01-19 | 杭州乐荣工业精密组件有限公司 | One kind measurement precision components electric power system |
| CN107994893A (en) * | 2017-11-30 | 2018-05-04 | 国网河南省电力公司平顶山供电公司 | A kind of remote control switch circuit |
| CN108183546A (en) * | 2017-12-23 | 2018-06-19 | 马良彬 | A kind of electrical construction direct current safety power supply |
| CN108153361A (en) * | 2017-12-27 | 2018-06-12 | 山东汉旗科技有限公司 | A kind of DC-stabilized circuit |
| CN108649529A (en) * | 2018-03-23 | 2018-10-12 | 绍兴快晴贸易有限公司 | A kind of direct-flow electricity utilization apparatus protector |
| CN108730597A (en) * | 2018-04-09 | 2018-11-02 | 杨东雨 | A kind of solenoid valve overvoltage protection starting switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957769A (en) * | 2017-12-18 | 2018-04-24 | 宁波斯凯勒智能科技有限公司 | A kind of computer intelligence electric power system |
| CN114384840A (en) * | 2021-12-30 | 2022-04-22 | 成都天佑智云科技发展有限公司 | Control system of total station |
| CN114422876A (en) * | 2021-12-30 | 2022-04-29 | 成都天佑智云科技发展有限公司 | Data transmission device of total station |
| CN114422876B (en) * | 2021-12-30 | 2024-03-26 | 成都天佑智云科技发展有限公司 | Data transmission device of total station |
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Application publication date: 20190517 |
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