CN205846852U - A kind of ups power device - Google Patents
A kind of ups power device Download PDFInfo
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- CN205846852U CN205846852U CN201620694060.2U CN201620694060U CN205846852U CN 205846852 U CN205846852 U CN 205846852U CN 201620694060 U CN201620694060 U CN 201620694060U CN 205846852 U CN205846852 U CN 205846852U
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- 238000001514 detection method Methods 0.000 claims abstract description 35
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- 238000004891 communication Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 9
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
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- 241000282472 Canis lupus familiaris Species 0.000 description 1
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Abstract
This utility model relates to a kind of ups power device, and the voltage input end of the first ups power connects external power supply；The voltage output end of the first ups power connects load circuit；The voltage output end of the first ups power is also connected with the voltage input end of power-fail detection circuit；When the signal output part of power-fail detection circuit is with the first ups power power down, export power down level signal to MCU module；The voltage input end of the second ups power is used for connecting external power supply, and voltage output end is for connecting the voltage input end of institute's control on-off circuit；The voltage output end of controlled switching circuit is used for connecting load circuit；After MCU module receives described power down level signal, drive controlled switching circuit Guan Bi；MCU module is connected with the set of cells within described first ups power and described second ups power, and reads the magnitude of voltage of described set of cells in real time.This ups power device, it is possible to increase for electrical stability, it is ensured that the normal work of electrical equipment.
Description
Technical field
This utility model relates to electrical equipment technical field, in particular to a kind of ups power device.
Background technology
UPS (Uninterruptible Power System, uninterrupted power source), is a kind of containing energy storage device, with inverse
Become the uninterrupted power source of the constant voltage constant frequency that device is key component.When civil power input is normal, UPS will supply after civil power voltage stabilizing
Using to load, UPS now is exactly an electric main manostat, and it also charges to self-contained battery simultaneously；Work as commercial power interruption
Time (forced outage), UPS is immediately by the electric energy of self-contained battery, and the square normal load changed by inversion is continued supply 220V and exchanges
Electricity, ups power achieves the uninterrupted power supply for receptor of powering due to itself structure.
But it is true that ups power is during using, owing to most electric power system is being carried out to electrical equipment
The when of power supply, only employ a ups power, meanwhile, aging along with ups power internal battery, once this UPS
Power supply itself goes wrong, or due to cell degradation under-voltage and cause cannot be to electrical equipment normal power supply, then still
The normal work of electrical equipment, the less stable of the most current ups power can be affected.
Utility model content
In view of this, the purpose of this utility model embodiment is to provide a kind of ups power device, it is possible to increase power supply is steady
Qualitative, it is ensured that the normal work of electrical equipment.
This utility model embodiment provides a kind of ups power device, including: the first ups power, the second ups power, fall
Power detection circuit, controlled switching circuit and MCU module；
The voltage input end of described first ups power is used for connecting external power supply；
The voltage output end of described first ups power is used for connecting load circuit；And the voltage of a described UPS power supply
Outfan is also associated with the voltage input end of power-fail detection circuit；The signal output part of described power-fail detection circuit is for described
During the first ups power power down, export power down level signal to MCU module；
The voltage input end of described second ups power is used for connecting external power supply, voltage output end be used for connecting described in be subject to
The voltage input end of control on-off circuit；The voltage output end of described controlled switching circuit is used for connecting load circuit；
Described MCU module is connected with the signal output part of described power-fail detection circuit；
Described MCU module, for after accepting described power down level signal, enables letter to the output of described controlled switching circuit
Number, drive described controlled switching circuit to close；
Described MCU module also by A/D modular converter and described first ups power and described second ups power inside
Set of cells connect, and read the magnitude of voltage of described set of cells in real time.
In each embodiment of this utility model, it is preferable that described first ups power includes:
First commutator, the first inverter and the first set of cells；
The voltage input end of described first inverter has three tunnels, and wherein two-way is defeated as the voltage of described first ups power
Entering end, an other road is connected with the voltage output end of described first set of cells；
The voltage output end of described first inverter has two-way, and wherein a road connects load circuit, separately leads up to described
First commutator is connected with the voltage input end of described first set of cells；
The voltage output end of described first set of cells connects through an A/D modular converter and connects described MCU module.
In each embodiment of this utility model, it is preferable that described second ups power includes:
Second commutator, the second inverter and the second set of cells；
The voltage input end of described second inverter has three tunnels, and wherein two-way is defeated as the voltage of described second ups power
Entering end, an other road is connected with the voltage output end of described second set of cells；
The voltage output end of described second inverter has two-way, and wherein a road connects controlled switching circuit, separately leads up to
Described second commutator is connected with the voltage input end of described second set of cells；
The voltage output end of described second set of cells connects through the 2nd A/D modular converter and connects described MCU module.
In each embodiment of this utility model, it is preferable that described power-fail detection circuit includes: the rectification being sequentially connected with
Circuit, testing circuit and comparison circuit；
Wherein, the voltage input end of described rectification circuit is as the voltage input end of described power-fail detection circuit；
The voltage output end of described comparison circuit is as the signal output part of described power-fail detection circuit.
In each embodiment of this utility model, it is preferable that described rectification circuit is bridge rectifier, including: two
Pole pipe D1, diode D2, diode D3 and diode D4；
Wherein, the positive pole of diode D1 is connected with the negative pole of described diode D3；The negative pole of diode D1 and diode D2
Negative pole connect；The positive pole of described diode D3 and the equal ground connection of positive pole of described diode D4；The negative pole of described diode D4 with
The positive pole of described diode D2 connects；
The positive pole of described diode D1 and the positive pole of diode D2 connect the two-way voltage input end of described rectification circuit；
And the negative pole of described diode D1 connects the voltage output end of described rectification circuit.
In each embodiment of this utility model, it is preferable that described testing circuit includes: divider resistance R1, dividing potential drop electricity
Resistance R2, switch triode Q1, storage capacitor C1 and charging resistor R3；
Wherein, described divider resistance R1 and described divider resistance R2 series connection, and described divider resistance R1 is away from described dividing potential drop
One end of resistance R2 is connected with the voltage output end of described rectification circuit；
The base stage of described switch triode Q1 is connected between described divider resistance R1 and described divider resistance R2, colelctor electrode
It is connected between described storage capacitor C1 and described charging resistor R3；
Described charging resistor R3 is also associated with charge power supply V away from one end of the colelctor electrode of described switch triode Q1；
Described divider resistance R2 away from one end of described divider resistance R1, the emitter stage of described switch triode Q1 and
Described storage capacitor C1 is away from the equal ground connection in one end of described charging resistor R3.
In each embodiment of this utility model, it is preferable that described comparison circuit includes: the divider resistance R4 of series connection,
Divider resistance R5, also includes comparator U1；
Described divider resistance R4 away from one end and described charging resistor R3 of described divider resistance R5 away from described switch three
Pole pipe Q1 colelctor electrode connects；Described divider resistance R5 is away from one end ground connection of described divider resistance R4；
Described comparator U1 includes two signal input parts, and wherein cold end connects the current collection of described switch triode Q1
Pole；Hot end connects between divider resistance R4 and divider resistance R5；
Described comparator U1 also includes: earth terminal, power input and signal output part；
The signal output part of described comparator U1 is as the signal port outfan of described power-fail detection circuit.
In each embodiment of this utility model, it is preferable that also include: also include: alarm device；
Described MCU module electrically connects with described alarm device.
In each embodiment of this utility model, it is preferable that also include: display；
Described display is connected with described MCU module.
In each embodiment of this utility model, it is preferable that also include: wireless communication module；
Described wireless communication module is connected with described MCU module；
Described MCU module is by described wireless communication module and host computer communication.
The ups power device that this utility model embodiment is provided, the voltage input end of the first ups power and external power supply
Connecting, external power supply is to the first ups power input current, and the electric current that external power supply is inputted by a UPS is converted to load electricity
Electric current output required in road, meanwhile, this electric current also inputs from the voltage input end of power-fail detection circuit.An once UPS
Power supply goes wrong power down, then power-fail detection circuit export power down level signal to MCU module, MCU module is receiving
After this power down level signal, drive controlled switching circuit Guan Bi.And the voltage input end of controlled switching circuit connects the 2nd UPS
The voltage output end of power supply, therefore, when controlled switching circuit closes when, the second ups power is switched on, it is possible to first
The when of ups power power-off, to electrical equipment continued power.Meanwhile, MCU module is also by A/D modular converter and UPS electricity
Set of cells within source and the second ups power connects, and reads the magnitude of voltage of set of cells in real time, and once set of cells is due to battery
The reasons such as aging or undertension are under-voltage, and MCU module can be learnt according to the magnitude of voltage of its set of cells read at once, real
Show the monitoring to ups power internal battery.This ups power device is powered the most stable than existing ups power, protects
The normal work of card electrical equipment.
For making above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 shows the structural representation of a kind of UPS circuit that this utility model embodiment provided；
Fig. 2 shows in the UPS circuit that this utility model embodiment is provided, the structural representation of the first ups power；
Fig. 3 shows in the UPS circuit that this utility model embodiment is provided, the structural representation of the second ups power；
During Fig. 4 shows in the UPS circuit that this utility model embodiment is provided, the structural representation of power-fail detection circuit
Figure；
Fig. 5 shows the structural representation of the another kind of UPS circuit that this utility model embodiment provided；
Graphical indicia illustrates:
First ups power the 10, first commutator the 101, first inverter the 102, first set of cells 103 and an A/D turns
Die change block 104；
Second ups power the 20, second commutator the 201, second inverter 202 and the second set of cells 203；
Power-fail detection circuit 30, rectification circuit 301, testing circuit 302 and comparison circuit 303；
Controlled switching circuit 40；MCU module 50；Display 60；Wireless communication module 70；Alarm device 80.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that described
Embodiment be only a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein
Can arrange and design with various different configurations with the assembly of this utility model embodiment illustrated.Therefore, below to
The detailed description of the embodiment of the present utility model provided in accompanying drawing is not intended to limit claimed model of the present utility model
Enclose, but be merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model, those skilled in the art exist
The every other embodiment obtained on the premise of not making creative work, broadly falls into the scope of this utility model protection.
Current ups power when in use, if itself occurs in that fault, still just can affect electrical equipment
Often work, therefore less stable, based on this, a kind of ups power device that the application provides, can improve for electrical stability,
Ensure the normal work of electrical equipment.
It should be noted that in description of the present utility model, term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Spy must be had for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
It addition, in description of the present utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ",
" connect " and should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, can understand that above-mentioned term is in this practicality with concrete condition
Concrete meaning in novel.
Shown in Figure 1, this utility model embodiment provides a kind of ups power device, including: the first ups power 10, the
Two ups powers 20, power-fail detection circuit 30, controlled switching circuit 40 and MCU module；
The pressure input port of described first ups power electricity 10 is used for connecting external power supply, and voltage output end is used for connecting negative
Carry circuit；And the voltage output end of described first ups power is also connected with the voltage input end of described power-fail detection circuit 30；Described
The signal output part of power-fail detection circuit 30, for when described first ups power 10 power down, exports power down level to MCU module
Signal；
The voltage input end of described second ups power 20 is used for connecting external power supply, and voltage output end is used for connecting described
The voltage input end of controlled switching circuit 40；The voltage output end of described controlled switching circuit 40 is used for connecting load circuit；
Described MCU module is connected with the signal output part of described power-fail detection circuit；
Described MCU module, for after accepting described power down level signal, enables letter to the output of described controlled switching circuit
Number, drive described controlled switching circuit to close；
Described MCU module also by A/D modular converter and described first ups power and described second ups power inside
Set of cells connect, and read the magnitude of voltage of described set of cells in real time.
MCU module (Microcontroller Unit, micro-control unit), also known as one chip microcomputer (Single
Chip Microcomputer) or single-chip microcomputer, it is a kind of IC chip, does various combination control for different application scenarios
System.MCU module, after receiving the power down level signal that power-fail detection circuit is sent, can send to controlled switching circuit and make
Can signal.Controlled switching circuit closes after receiving this enable signal, is connected by the second ups power.
Being embodied as when, the voltage input end of the first ups power and external power supply connect, and external power supply is to first
Ups power input current, it is defeated that the electric current that external power supply is inputted by a UPS is converted to electric current required in load circuit
Going out, meanwhile, this electric current also inputs from the voltage input end of power-fail detection circuit.Once the first ups power 10 goes wrong power down,
So power-fail detection circuit to MCU module export power down level signal, MCU module after receiving this power down level signal,
Driving controlled switching circuit closes.And the voltage input end of controlled switching circuit connects the voltage output end of the second ups power, because of
This, when controlled switching circuit closes when, the second ups power is switched on, it is possible to the first ups power power-off when, to
Electrical equipment continued power.Meanwhile, MCU module is also by A/D modular converter and the first ups power and the second ups power
The set of cells in portion connects, and reads the magnitude of voltage of set of cells in real time, and once set of cells is due to cell degradation or undertension etc.
Reason is under-voltage, and MCU module can be learnt according to the magnitude of voltage of its set of cells read at once, it is achieved that to ups power inside
The monitoring of set of cells.This ups power device is powered the most stable than existing ups power, it is ensured that electrical equipment normal
Work.
Shown in Figure 2, this utility model embodiment also provides for the concrete structure of a kind of first ups power, including:
First commutator the 101, first inverter 102 and the first set of cells 103；
The voltage input end of described first inverter 102 has three tunnels, and wherein two-way is as the electricity of described first ups power 10
Pressure input, an other road is connected with the voltage output end of described first set of cells；
The voltage output end of described first inverter 102 has two-way, and wherein a road is used for connecting load circuit, another road
It is connected by the voltage input end of described first commutator 101 with described first set of cells 103；
The voltage output end of described first set of cells 103 connects through an A/D modular converter 104 and connects described MCU mould
Block 50.
Being embodied as when, the external power supply that the voltage input end of the first ups power is connected is generally alternating current
Source, therefore, in three road voltage input ends of the first inverter 102, wherein two-way is as the voltage input end of the first ups power,
Connecting external alternating current power supply, an other road is connected with the voltage output end of the first set of cells 103, when external power supply power down
Waiting, the first set of cells 103 exports DC current to the first inverter 102, and DC current is alternating current through the first inverter inversion
Stream, supply load circuit.First inverter 102 also has two-way outfan, and wherein external power supply can be inputted by a road
Alternating current exports to load circuit, another road direction the first commutator 101 output AC electric current；First commutator 101 will exchange
Electricity is converted to unidirectional current, and by DC supply input to the first set of cells 103, is that the first set of cells 103 is charged.Simultaneously,
The voltage output end of the first set of cells 103 connects described MCU module also by an A/D modular converter, and MCU module reads in real time
The voltage of the first set of cells 103, once finds that undervoltage condition occurs in the voltage of the first set of cells 103, then the first set of cells is described
There is not enough situation in 103 electricity, need to enable stand-by power supply, or the first set of cells 103 cell degradation needs to change.
Specifically used when, when external power supply power-off when, the most whether the first ups power 10 or second
Ups power 20, the equal power down of its external power supply.The first set of cells 103 or the second set of cells 203 is needed to be powered, usually,
First set of cells 103 is first used for power supply, when the first set of cells is under-voltage (below a certain default threshold value), MCU module meeting
Driving controlled switching circuit closes, and connects the second ups power, thus when extending external power supply power down, the power supply of ups power device
Time, improve the stability of ups power device further.
At this time, it may be necessary to it is noted that in order to the first ups power 10 is disconnected from the circuit, at the first ups power 10
Voltage output end can also connect another one controlled power circuit, this controlled power circuit is connected with MCU module equally,
Can disconnect under the driving of MCU module or close by Canis familiaris L..
Shown in Figure 3, this utility model embodiment also provides for the concrete structure of a kind of second ups power, including:
Second commutator the 201, second inverter 202 and the second set of cells 203；
The voltage input end of described second inverter 202 has three tunnels, and wherein two-way is as the electricity of described second ups power 20
Pressure input, an other road is connected with the voltage output end of described second set of cells 203；
The voltage output end of described second inverter 202 has two-way, and wherein a road connects described controlled switching circuit, another
Road is connected by the voltage input end of described second commutator 201 with described second set of cells 203；
The voltage output end of described second set of cells connects through the 2nd A/D modular converter and connects described MCU module.
Specifically, the work process of the second ups power is similar with the work process of the first ups power, does not repeats them here.
Shown in Figure 4, this utility model embodiment also provides for the concrete structure of a kind of power-fail detection circuit, including:
Rectification circuit 301, testing circuit 302 and the comparison circuit 303 being sequentially connected with；
Wherein, the voltage input end of described rectification circuit 301 is as the voltage input end of described power-fail detection circuit 30；
The voltage output end of described comparison circuit 303 is as the signal output part of described power-fail detection circuit 30.
Wherein, the electric current exported due to the first ups power 10 is alternating current, is realized alternating current by rectification circuit
Rectification.Testing circuit 302 is for realizing the detection of electric current, and comparison circuit 303 is then to realize power down level by comparator
The output of signal.
Implementing when, rectification circuit 301 includes: diode D1, diode D2, diode D3 and diode
D4；
Wherein, the positive pole of diode D1 is connected with the negative pole of described diode D3；The negative pole of diode D1 and diode D2
Negative pole connect；The positive pole of described diode D3 and the equal ground connection of positive pole of described diode D4；The negative pole of described diode D4 with
The positive pole of described diode D2 connects；
The positive pole of described diode D1 and the positive pole of diode D2 connect the two-way voltage input end of described rectification circuit；
And the negative pole of described diode D1 connects the voltage output end of described rectification circuit.
Achieved by this bridge rectifier and alternating current is carried out rectification, and unidirectional current is exported to testing circuit 302.
It addition, described testing circuit 302 includes: divider resistance R1, divider resistance R2, switch triode Q1, storage capacitor
C1 and charging resistor R3；
Wherein, described divider resistance R1 and described divider resistance R2 series connection, and described divider resistance R1 is away from described dividing potential drop
One end of resistance R2 is connected with the voltage output end of described rectification circuit；
The base stage of described switch triode Q1 is connected between described divider resistance R1 and described divider resistance R2, colelctor electrode
It is connected between described storage capacitor C1 and described charging resistor R3；
Described charging resistor R3 is also associated with charge power supply V away from one end of the colelctor electrode of described switch triode Q1；
Described divider resistance R2 is away from one end, the emitter stage of described switch triode Q1 and the institute of described divider resistance R1
State the storage capacitor C1 equal ground connection in one end away from described charging resistor R3.
Described comparison circuit includes: the divider resistance R4 of series connection, divider resistance R5, also includes comparator U1；
Described divider resistance R4 is connected with described charge power supply V away from one end of described divider resistance R5；Described dividing potential drop electricity
Resistance R5 is away from one end ground connection of described divider resistance R4；
Described comparator U1 includes two signal input parts, and wherein cold end connects the collection of described switch triode Q1
Electrode；Hot end connects between divider resistance R4 and divider resistance R5；
Described comparator U1 also includes: earth terminal, power input and signal output part；
The signal output part of described comparator U1 is as the signal port outfan of described power-fail detection circuit.
Being embodied as when, utilize storage capacitor C1 to charge, utilize the energy of switch triode Q1 to discharge, thus exist
The signal input part of comparison circuit 30 causes the change of level, owing to switch triode Q1 is controlled by the rectification circuit 301 of front end,
When the energy of storage capacitor C1 can not be discharged for a long time, storage capacitor C1 will produce high potential, the two of comparison circuit 303
Individual input is all high potential, and comparison circuit 303 will export power down level signal, otherwise the most not export power down level signal.
In addition, it should be noted that rectification circuit can also is that the different topology being made up of other kind electronic devices and components
Controlled rectification circuit, uncontrollable rectification circuit or precise rectification circuit.
This power-fail detection circuit is specifically applying when, by the alternating voltage of the first ups power lock output by rectified current
Road 301 input rectification, the signal after rectification is divided to suitable grade through R1, R2, drives switch triode Q1, according to Q1 device
The characteristic of part and required minimum alarm magnitude of voltage, the parameter of appropriately selected R1 and R2 so that AC-input voltage is more than accusing
During alert magnitude of voltage, when in every half ac cycle, voltage rises to a certain voltage, Q1 can turn on so that it is discharges C1, in exchange
After voltage drops to certain magnitude of voltage after peak value, Q1 disconnects, and C1 is charged by R3, until Q1 conducting electric discharge next time.At alternating current
The when that positive pressure often inputting, C1 is once discharged by every half ac cycle Q1 conducting, and C1 voltage is not up to turning over of subsequent conditioning circuit
Turn operation voltage；And abnormal conditions occur, cause input signal less or disappear the long period time (the first ups power
The when of power down), within the time period Q1 will the section of closing always, C1 keeps charging, and C1 voltage persistently raises and is finally reached and exceedes
The rotary movement voltage of late-class circuit, late-class circuit rotary movement, export power down level signal, and then believed by this power down level
Number, drive controlled switching circuit 40 to connect, the second ups power is switched on, thus powers for electrical equipment.
When the first ups power recovers to use when, Q1 recovers again to the conducting circulated before, off-state, rear class electricity
Road no longer exports power down level signal, and controlled switching circuit 40 is disconnected, and causes the second ups power to disconnect, it is achieved thereby that two
Electricity consumption switching between individual ups power.
Shown in Figure 5, this utility model embodiment for ups power in, also include: alarm device 80；
Described alarm device 80 electrically connects with described MCU module 50；
Described MCU module the set of cells read within the first ups power and the second ups power magnitude of voltage time
Wait, can judge that this magnitude of voltage is the most under-voltage, now, inside MCU module, be provided with comparator, by defeated with outside for the voltage read
Enter voltage to compare, if the voltage read is higher than the voltage of this outside input, then comparator output high level signal；
MCU module, receiving this high level signal when, can judge that battery voltage now is not in under-voltage condition；And one
The voltage of the outside input in the voltage hell that denier reads, then comparator output low level signal, MCU module is receiving this low electricity
The when of ordinary mail, it is judged that battery voltage now is in under-voltage condition, juxtaposition alarm device is reported to the police.
Alarm device can be light alarming device, audible alarm unit, it is also possible to is information alert device, i.e. can be in advance
If phone number or fuel tank send warning message or alarm mail.
UMC module is also associated with display 60.UMC module is capable of using the first ups power and the second ups power
The monitoring of electricity situation, and displayed it by display.
UMC module is also associated with wireless communication module 70；MCU module is communicated with host computer by wireless communication module, to
Host computer sends the first ups power and the electric power thus supplied of the second ups power.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change
Or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit requires is as the criterion.
Claims (10)
1. a ups power device, it is characterised in that including: the first ups power, the second ups power, power-fail detection circuit, be subject to
Control on-off circuit and MCU module；
The voltage input end of described first ups power is used for connecting external power supply；
The voltage output end of described first ups power is used for connecting load circuit；And the voltage output end of described first ups power
It is also associated with the voltage input end of power-fail detection circuit；The signal output part of described power-fail detection circuit is for described first
During ups power power down, export power down level signal to MCU module；
The voltage input end of described second ups power is used for connecting external power supply, and voltage output end is used for connecting described controlled open
Close the voltage input end of circuit；The voltage output end of described controlled switching circuit is used for connecting load circuit；
Described MCU module is connected with the signal output part of described power-fail detection circuit；
Described MCU module, for after accepting described power down level signal, enables signal to the output of described controlled switching circuit, drives
Dynamic described controlled switching circuit Guan Bi；
Described MCU module is also by A/D modular converter and the electricity within described first ups power and described second ups power
Pond group connects, and reads the magnitude of voltage of described set of cells in real time.
Ups power device the most according to claim 1, it is characterised in that described first ups power includes:
First commutator, the first inverter and the first set of cells；
The voltage input end of described first inverter has three tunnels, and wherein two-way is as the voltage input end of described first ups power,
An other road is connected with the voltage output end of described first set of cells；
The voltage output end of described first inverter has two-way, and wherein a road connects load circuit, separately leads up to described first
Commutator is connected with the voltage input end of described first set of cells；
The voltage output end of described first set of cells connects through an A/D modular converter and connects described MCU module.
Ups power device the most according to claim 1, it is characterised in that described second ups power includes:
Second commutator, the second inverter and the second set of cells；
The voltage input end of described second inverter has three tunnels, and wherein two-way is as the voltage input end of described second ups power,
An other road is connected with the voltage output end of described second set of cells；
The voltage output end of described second inverter has two-way, and wherein a road connects controlled switching circuit, separately leads up to described
Second commutator is connected with the voltage input end of described second set of cells；
The voltage output end of described second set of cells connects through the 2nd A/D modular converter and connects described MCU module.
4. according to the ups power device described in claim 1-3 any one, it is characterised in that described power-fail detection circuit bag
Include: rectification circuit, testing circuit and the comparison circuit being sequentially connected with；
Wherein, the voltage input end of described rectification circuit is as the voltage input end of described power-fail detection circuit；
The voltage output end of described comparison circuit is as the signal output part of described power-fail detection circuit.
Ups power device the most according to claim 4, it is characterised in that described rectification circuit is bridge rectifier, bag
Include: diode D1, diode D2, diode D3 and diode D4；
Wherein, the positive pole of diode D1 is connected with the negative pole of described diode D3；The negative pole of diode D1 is negative with diode D2's
Pole connects；The positive pole of described diode D3 and the equal ground connection of positive pole of described diode D4；The negative pole of described diode D4 is with described
The positive pole of diode D2 connects；
The positive pole of described diode D1 and the positive pole of diode D2 connect the two-way voltage input end of described rectification circuit；And institute
The negative pole stating diode D1 connects the voltage output end of described rectification circuit.
Ups power device the most according to claim 4, it is characterised in that described testing circuit includes: divider resistance R1,
Divider resistance R2, switch triode Q1, storage capacitor C1 and charging resistor R3；
Wherein, described divider resistance R1 and described divider resistance R2 series connection, and described divider resistance R1 is away from described divider resistance
One end of R2 is connected with the voltage output end of described rectification circuit；
The base stage of described switch triode Q1 is connected between described divider resistance R1 and described divider resistance R2, and colelctor electrode connects
Between described storage capacitor C1 and described charging resistor R3；
Described charging resistor R3 is also associated with charge power supply V away from one end of the colelctor electrode of described switch triode Q1；
Described divider resistance R2 is away from one end, the emitter stage of described switch triode Q1 and the described storage of described divider resistance R1
Energy electric capacity C1 is away from the equal ground connection in one end of described charging resistor R3.
Ups power device the most according to claim 6, it is characterised in that described comparison circuit includes: the dividing potential drop electricity of series connection
Resistance R4, divider resistance R5, also include comparator U1；
Described divider resistance R4 away from one end and described charging resistor R3 of described divider resistance R5 away from described switch triode
Q1 colelctor electrode connects；Described divider resistance R5 is away from one end ground connection of described divider resistance R4；
Described comparator U1 includes two signal input parts, and wherein cold end connects the colelctor electrode of described switch triode Q1；
Hot end connects between divider resistance R4 and divider resistance R5；
Described comparator U1 also includes: earth terminal, power input and signal output part；
The signal output part of described comparator U1 is as the signal port outfan of described power-fail detection circuit.
Ups power device the most according to claim 4, it is characterised in that also include: alarm device；
Described MCU module electrically connects with described alarm device.
Ups power device the most according to claim 8, it is characterised in that also include: display；
Described display is connected with described MCU module.
Ups power device the most according to claim 9, it is characterised in that also include: wireless communication module；
Described wireless communication module is connected with described MCU module；
Described MCU module is by described wireless communication module and host computer communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620694060.2U CN205846852U (en) | 2016-07-04 | 2016-07-04 | A kind of ups power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620694060.2U CN205846852U (en) | 2016-07-04 | 2016-07-04 | A kind of ups power device |
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| Publication Number | Publication Date |
|---|---|
| CN205846852U true CN205846852U (en) | 2016-12-28 |
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|---|---|---|---|
| CN201620694060.2U Expired - Fee Related CN205846852U (en) | 2016-07-04 | 2016-07-04 | A kind of ups power device |
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| CN (1) | CN205846852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899955A (en) * | 2018-07-27 | 2018-11-27 | 上海联影医疗科技有限公司 | A kind of power-down control device and active medical equipment |
| CN110133361A (en) * | 2019-04-30 | 2019-08-16 | 浙江亿邦通信科技有限公司 | Power down alarm system based on low-voltage monitoring |
| CN115856702A (en) * | 2023-03-02 | 2023-03-28 | 深圳华泰源通技术服务有限公司 | UPS power supply detection device |
-
2016
- 2016-07-04 CN CN201620694060.2U patent/CN205846852U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899955A (en) * | 2018-07-27 | 2018-11-27 | 上海联影医疗科技有限公司 | A kind of power-down control device and active medical equipment |
| CN108899955B (en) * | 2018-07-27 | 2022-02-18 | 上海联影医疗科技股份有限公司 | Power-off control device and active medical equipment |
| CN110133361A (en) * | 2019-04-30 | 2019-08-16 | 浙江亿邦通信科技有限公司 | Power down alarm system based on low-voltage monitoring |
| CN115856702A (en) * | 2023-03-02 | 2023-03-28 | 深圳华泰源通技术服务有限公司 | UPS power supply detection device |
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Granted publication date: 20161228 Termination date: 20170704 |