CN106130175A - A kind of ups power and the computer with power-off protection - Google Patents
A kind of ups power and the computer with power-off protection Download PDFInfo
- Publication number
- CN106130175A CN106130175A CN201610635288.9A CN201610635288A CN106130175A CN 106130175 A CN106130175 A CN 106130175A CN 201610635288 A CN201610635288 A CN 201610635288A CN 106130175 A CN106130175 A CN 106130175A
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- CN
- China
- Prior art keywords
- ups
- power
- outfan
- circuit
- bang
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
The invention discloses a kind of ups power, relate to uninterrupted power source technical field, it includes civil power and UPS module, wherein, described UPS module all includes charging circuit, accumulator, voltage sampling circuit, control relay circuit and the first relay body, described UPS module is two, the outfan of two accumulator is respectively by first electric wire and second one end being wired to electric main, normally opened auxiliary contact K11 and normally closed auxiliary contact K12 that the first relay body with the first UPS module matches it is connected on described first electric wire and second electric wire, the normally opened auxiliary contact K21 having the first relay body with the second UPS module to match is connected on described second electric wire, the invention also discloses a kind of computer with power-off protection.The present invention, by being provided with the UPS module of redundancy, prevents because UPS fault or output voltage are too low and cause computer normally to work.
Description
Technical field
The present invention relates to uninterrupted power source technical field, be specifically related to the ups power of a kind of band redundancy and apply this UPS
The desk computer with power-off protection function of power supply.
Background technology
Computer is commonly applied to every field, and in some special dimensions, computer requires non-stop run,
If centre is because of civil power power-off or low pressure operation and shutdown can cause the biggest loss, and therefore, the computer of such enterprise (refers mainly to
Desktop computer) often from having UPS (Uninterruptible Power System uninterruptible power system).
UPS is a kind of containing energy storage device, the uninterrupted power source with accumulator as key component.It is applied to computer
Time middle, when civil power input is normal, computer is powered by computer by the switching power circuit of self, and when civil power is defeated
When entering abnormal (such as power-off or low pressure operation), startup is computer power supply by UPS, prevents the shutdown of computer.Existing
UPS is unit operation, is i.e. a computer power supply by a UPS, in this case, when UPS breaks down or exports
The power-off of computer is can still result in during brownout.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide the ups power of a kind of band redundancy, and it passes through
Two UPS module are set, by monitoring the voltage swing of one of them UPS module in real time, (negative less than reference voltage at its voltage
Carry the minimum voltage started) time, powered by another UPS module, prevent because UPS fault or output voltage are too low and cause negative
Load cannot normally work.
To achieve these goals, the present invention adopts the following technical scheme that:
A kind of ups power, it includes civil power and UPS module, and wherein, described UPS module all includes charging circuit, electric power storage
Pond, voltage sampling circuit, control relay circuit and the first relay body, the outfan of described charging circuit is connected to electric power storage
The input in pond, the input of described voltage sampling circuit is connected to the outfan of accumulator, the outfan of voltage sampling circuit
It is connected to the input of bang-bang circuit, the outfan of described bang-bang circuit and the input phase of the first relay body
Even, for making the first relay body energising when the output voltage of accumulator is more than reference voltage, described UPS module is two
Individual, the respectively first UPS module and the second UPS module, the input of two charging circuits is all connected to civil power, two accumulator
Outfan respectively by first electric wire and second one end being wired to electric main, described first electric wire and second
Normally opened auxiliary contact K11 that the first relay body with the first UPS module matches and normally closed it is connected on electric wire
Auxiliary contact K12, described second electric wire connects have that the first relay body with the second UPS module matches normally opened auxiliary
Help contact K21.
Described bang-bang circuit includes producing the reference voltage source of reference voltage, comparator, switching tube and auxiliary electricity
Source, wherein, described reference voltage source and the outfan of voltage sampling circuit are connected to the negative input end of comparator and the most defeated
Entering end, the outfan of described comparator is connected to the control end of switching tube, and the input of described switching tube is connected to accessory power supply,
The outfan of described switching tube is by ground connection after the first relay body.
Described switching tube is N-channel enhancement mode metal-oxide-semiconductor, and the grid of described N-channel enhancement mode metal-oxide-semiconductor, drain electrode connect respectively
In outfan and the accessory power supply of comparator, its source electrode is ground connection after the first relay body.
Described switching tube is NPN type triode, and base stage and the colelctor electrode of described NPN type triode are connected to comparator
Outfan and accessory power supply, its emitter stage is ground connection after the first relay body.
Another object of the present invention is to provide a kind of computer with power-off protection, it is by arranging two UPS moulds
Block, by monitoring in real time the voltage swing of one of them UPS module, at its voltage, less than reference voltage, (computer starting is
Small voltage) time, powered by another UPS module, prevent because UPS fault or output voltage are too low and cause the computer cannot be just
Often work.
To achieve these goals, the present invention adopts the following technical scheme that:
A kind of computer with power-off protection, it include computer body, Switching Power Supply, the second relay body and
Above-mentioned ups power, described civil power is connected to the power end of computer body through Switching Power Supply and the second relay body, described
The other end of electric main is connected with the power end of computer body, connects and have one and the second relay body on described electric main
The normally closed auxiliary contact K31 matched.
Ups power that the present invention illustrates and with the computer of power-off protection, it has the beneficial effects that: by arranging two
UPS module, by monitoring the voltage swing of one of them UPS module in real time, when its voltage is less than reference voltage, by another
Individual UPS module is powered, and prevents because UPS fault or output voltage are too low and cause computer normally to work.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of ups power of the present invention；
Fig. 2 is the circuit theory diagrams of bang-bang circuit in Fig. 1；
Fig. 3 is the present invention circuit theory diagrams with the computer of power-off protection.
Detailed description of the invention
It is next with specific embodiment below in conjunction with the accompanying drawings that the invention will be further described.
Embodiment one
Refer to shown in Fig. 1, a kind of ups power, it includes civil power 10 and UPS module, and UPS module is two, is respectively
First UPS module 20 and the second UPS module 30.Wherein, the first UPS module 20 includes that charging circuit 21, accumulator 22, voltage are adopted
(relay body here each means relay line for sample circuit 23, control relay circuit 24 and the first relay body 25
Circle), the outfan of charging circuit 21 is connected to the input of accumulator 22, and the input of voltage sampling circuit 23 is connected to electric power storage
The outfan in pond 22, the outfan of voltage sampling circuit 23 is connected to the input of bang-bang circuit 24, bang-bang circuit
The outfan of 24 and the input of the first relay body 25 are connected, for the output voltage in accumulator 22 more than reference voltage
Time make the first relay body 25 be energized.
Identical with the first UPS module 20 structure, the second UPS module 30 includes charging circuit 31, accumulator 32, voltage sample
Circuit 33, control relay circuit 34 and the first relay body 35 (relay body here each means relay coil),
The outfan of charging circuit 31 is connected to the input of accumulator 32, and the input of voltage sampling circuit 33 is connected to accumulator 32
Outfan, the outfan of voltage sampling circuit 33 is connected to the input of bang-bang circuit 34, bang-bang circuit 34
The input of outfan and the first relay body 35 is connected, for making when the output voltage of accumulator 32 is more than reference voltage
First relay body 35 is energized.
The input of charging circuit 21 and charging circuit 31 is all connected to civil power, accumulator 22 and the outfan of accumulator 32
Respectively by first electric wire and second one end being wired to electric main, the other end of electric main is connected to load 40,
Be connected on first electric wire and second electric wire the normally opened auxiliary contact K11 that matches with the first relay body 25 and
Normally closed auxiliary contact K12, second electric wire connects and has the normally opened auxiliary contact K21 matched with the first relay body 35.
Its operation principle is: be main UPS with the first UPS module 20, and the second UPS module 30 is standby UPS, when relay control
When circuit 24 detects the voltage of accumulator 22 more than threshold voltage, the first relay body 25 is energized, normally opened auxiliary contact K11
Guan Bi, normally closed auxiliary contact K12 disconnects, and the first UPS module 20 is load 40 power supply.And storage detected at bang-bang circuit 24
When the voltage of battery 22 is less than threshold voltage, the first relay body 25 power-off, normally opened auxiliary contact K11 disconnects, normally closed auxiliary
Contact K12 closes, and the first UPS module 20 now, cannot monitor accumulator 32 by bang-bang circuit 34 for load 40 power supply
Output voltage, when monitoring bang-bang circuit 34 and the voltage of accumulator 32 being detected more than threshold voltage, normally opened auxiliary is touched
Point K21 Guan Bi, now, starts the second UPS module 30 for load 40 power supply.
The realizing principle as in figure 2 it is shown, as a example by the structure of bang-bang circuit 24 (relay control electricity of bang-bang circuit
The structure on road 34 is completely the same with it, repeats no more here), bang-bang circuit 24 includes that producing reference voltage (loads 40
Minimum start voltage) reference voltage source 242, comparator 241, switching tube and accessory power supply VCC, wherein, reference voltage source
242 are connected to negative input end and the positive input terminal of comparator 241, comparator 241 with the outfan of voltage sampling circuit 23
Outfan be connected to the control end of switching tube, the input of described switching tube is connected to accessory power supply VCC, the output of switching tube
End is by ground connection after the first relay body 25.Its principle is: the reference voltage that reference voltage source 242 produces and voltage sample electricity
The output voltage of the accumulator 22 that road 23 gathers compares, and when the output voltage of accumulator 22 is more than reference voltage, then opens
Pass pipe conducting, accessory power supply VCC is that the first relay body 25 is powered, and makes the first relay body 25 be energized, otherwise, work as electric power storage
When the output voltage in pond 22 is less than reference voltage, then switching tube disconnects, the first relay body 25 power-off.
Switching tube can use metal-oxide-semiconductor, it is also possible to is audion, wherein, metal-oxide-semiconductor preferred N-channel enhancement mode metal-oxide-semiconductor, N ditch
The grid of road enhancement mode metal-oxide-semiconductor, drain electrode are connected to outfan and the accessory power supply of comparator, and its source electrode is through the first relay
Ground connection after body.NPN type triode in the preferred Fig. 2 of audion, the base stage of NPN type triode and colelctor electrode are connected to ratio
The outfan of relatively device and accessory power supply, its emitter stage is ground connection after the first relay body.
Embodiment two
Embodiment two is the application of embodiment one, as it is shown on figure 3, a kind of computer with power-off protection, it includes meter
Calculation machine body 50, Switching Power Supply the 60, second relay body 70 and above-mentioned ups power, civil power 10 is through Switching Power Supply 60 He
Second relay body 70 is connected to the power supply of the power end of computer body 50, the other end of electric main and computer body 50
End is connected, and connecting on electric main has a normally closed auxiliary contact K31 matched with the second relay body.When civil power is normally transported
During row, the DC voltage that Switching Power Supply 60 produces makes the second relay body 70 be energized, then normally closed auxiliary contact K31 disconnects,
Now, civil power 10 is powered for computer body 50, and when civil power abnormal running (power-off or low pressure operation occur), then and
Two relay body 70 power-off, normally closed auxiliary contact K31 closes, thus ups power is computer body 50 powers, ups power
Identical with the above-mentioned method of supplying power to for load 40 for computer body 50 power supply.
The above, be only present pre-ferred embodiments, not impose any restrictions the technical scope of the present invention, therefore
Every any trickle amendment, equivalent variations and modification made above example according to the technical spirit of the present invention, the most still belongs to
In the range of technical solution of the present invention.
Claims (5)
1. a ups power, it is characterised in that it includes civil power and UPS module, and wherein, described UPS module all includes charged electrical
Road, accumulator, voltage sampling circuit, control relay circuit and the first relay body, the outfan of described charging circuit is even
Being connected to the input of accumulator, the input of described voltage sampling circuit is connected to the outfan of accumulator, voltage sampling circuit
Outfan be connected to the input of bang-bang circuit, the outfan of described bang-bang circuit and the first relay body
Input is connected, for making the first relay body energising, described UPS mould when the output voltage of accumulator is more than reference voltage
Block is two, the respectively first UPS module and the second UPS module, and the input of two charging circuits is all connected to civil power, two
The outfan of accumulator is respectively by first electric wire and second one end being wired to electric main, described first electric wire
The normally opened auxiliary contact K11 matched with the first relay body being connected on second electric wire with the first UPS module
With normally closed auxiliary contact K12, described second electric wire connects and has the first relay body with the second UPS module to match
Normally opened auxiliary contact K21.
Ups power the most according to claim 1, it is characterised in that described bang-bang circuit includes producing reference voltage
Reference voltage source, comparator, switching tube and accessory power supply, wherein, described reference voltage source is defeated with voltage sampling circuit
Going out end and be connected to negative input end and the positive input terminal of comparator, the outfan of described comparator is connected to the control of switching tube
End, the input of described switching tube is connected to accessory power supply, and the outfan of described switching tube is followed by by the first relay body
Ground.
Ups power the most according to claim 2, it is characterised in that described switching tube is N-channel enhancement mode metal-oxide-semiconductor, described
The grid of N-channel enhancement mode metal-oxide-semiconductor, drain electrode are connected to outfan and the accessory power supply of comparator, and its source electrode continues through first
Ground connection after electrical equipment body.
Ups power the most according to claim 1 and 2, it is characterised in that described switching tube is NPN type triode, described
The base stage of NPN type triode and colelctor electrode are connected to outfan and the accessory power supply of comparator, and its emitter stage continues through first
Ground connection after electrical equipment body.
5. the computer with power-off protection, it is characterised in that it includes computer body, Switching Power Supply, the second relay
Ups power described in device body and any one of claim 1-4, described civil power connects through Switching Power Supply and the second relay body
Being connected to the power end of computer body, the other end of described electric main is connected with the power end of computer body, at described main electricity
Connect on line and have a normally closed auxiliary contact K31 matched with the second relay body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635288.9A CN106130175A (en) | 2016-08-05 | 2016-08-05 | A kind of ups power and the computer with power-off protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635288.9A CN106130175A (en) | 2016-08-05 | 2016-08-05 | A kind of ups power and the computer with power-off protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106130175A true CN106130175A (en) | 2016-11-16 |
Family
ID=57255313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610635288.9A Pending CN106130175A (en) | 2016-08-05 | 2016-08-05 | A kind of ups power and the computer with power-off protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106130175A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI687025B (en) * | 2018-08-30 | 2020-03-01 | 台達電子工業股份有限公司 | Redundant power transfer apparatus and control methods |
| CN114546085A (en) * | 2020-11-24 | 2022-05-27 | 上海西门子医疗器械有限公司 | Power supply control module and system of double computers and medical imaging equipment |
-
2016
- 2016-08-05 CN CN201610635288.9A patent/CN106130175A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI687025B (en) * | 2018-08-30 | 2020-03-01 | 台達電子工業股份有限公司 | Redundant power transfer apparatus and control methods |
| CN114546085A (en) * | 2020-11-24 | 2022-05-27 | 上海西门子医疗器械有限公司 | Power supply control module and system of double computers and medical imaging equipment |
| CN114546085B (en) * | 2020-11-24 | 2024-03-26 | 上海西门子医疗器械有限公司 | Dual-computer power control module, system and medical imaging equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161116 |