CN209627047U - Ups power - Google Patents
Ups power Download PDFInfo
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- CN209627047U CN209627047U CN201920273166.9U CN201920273166U CN209627047U CN 209627047 U CN209627047 U CN 209627047U CN 201920273166 U CN201920273166 U CN 201920273166U CN 209627047 U CN209627047 U CN 209627047U
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- 238000010586 diagram Methods 0.000 description 4
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- 239000002253 acid Substances 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of ups powers, including charger, battery group, inverter, voltage detecting circuit, transformer, output circuit, charge/discharge control circuit and single-chip microcontroller；Voltage detecting circuit includes voltage input end, first resistor, second resistance, first triode, 3rd resistor, 4th resistance, second triode, voltage detection terminal and system end, the voltage input end is connect with one end of one end of the first resistor and 3rd resistor respectively, the other end of the first resistor is connect with the base stage of one end of the second resistance and the first triode respectively, the other end of the second resistance is grounded, the collector of first triode other end with the 3rd resistor respectively, one end of 4th resistance is connected with the base stage of the second triode.Implement the utility model ups power, have the advantages that circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit it is higher.
Description
Technical field
The utility model relates to field of power supplies, in particular to a kind of ups power.
Background technique
UPS (Uninterruptible Power System/Uninterruptible Power Supply), i.e., not between
Power-off source is that battery (mostly plumbic acid maintenance-free battery) is connected with host, passes through the modular circuits such as host inverter
Direct current is converted into the system equipment of alternating current.It is mainly used for single computer, computer network system or other electric power electricity
Sub- equipment such as solenoid valve, pressure transmitter etc. provides stable, continual power supply.When alternating current input is normal, UPS will
It is supplied to load to use after alternating current pressure stabilizing, UPS at this time is exactly an AC system electricity voltage-stablizer, while it is also to self-contained battery
Charging；When commercial power interruption (forced outage), UPS by the direct current energy of battery, passes through the method for inverter switching conversion immediately
Continue to supply 220V alternating current to load, load is made to maintain to work normally and protects load soft and hardware not damaged.UPS equipment
Usually protection can be provided to overtension or brownout.
The component that the circuit part of traditional ups power uses is more, and circuit structure is complicated, and hardware cost is higher, not side
Just it safeguards.In addition, since the circuit part of traditional ups power lacks corresponding circuit protection function, such as: lack current-limiting protection
Function causes the safety and reliability of circuit poor.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of circuit knot
Structure is relatively simple, cost is relatively low, maintains easily, the higher UPS power supply of the safety and reliability of circuit.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of ups power, including charging
Device, battery group, inverter, voltage detecting circuit, transformer, output circuit, charge/discharge control circuit and single-chip microcontroller, the charging
The output end of device is connect with the input terminal of the battery group, and the input terminal of the battery pack output and the inverter connects
It connects, the output end of the inverter is connect with the input terminal of the transformer, the output end of the transformer and output electricity
The input terminal on road connects, and the output end of the charger is connect with the input terminal of the voltage detecting circuit, the voltage detecting
The output end of circuit is connect with the input terminal of the single-chip microcontroller, and the input terminal of the output end of the single-chip microcontroller and the inverter connects
It connects, the output end of the single-chip microcontroller is also connect with the input terminal of the charge/discharge control circuit, the output of the charge/discharge control circuit
End is connect with the input terminal of the battery group；
The voltage detecting circuit include voltage input end, first resistor, second resistance, the first triode, 3rd resistor,
4th resistance, the second triode, voltage detection terminal and system end, voltage input end one end with the first resistor respectively
Connected with one end of 3rd resistor, the other end of the first resistor respectively with one end of the second resistance and the first triode
Base stage connection, the second resistance the other end ground connection, the collector of first triode respectively with the 3rd resistor
The other end, the 4th resistance one end connected with the base stage of the second triode, emitter, the 4th resistance of first triode
The other end and the emitter of the second triode be grounded, the collector of second triode respectively with the yin of first diode
Pole is connected with voltage detection terminal, and the anode of the first diode is connect with the system end, the model of the first diode
For S-272T.
In ups power described in the utility model, the voltage detecting circuit further includes first capacitor, first electricity
One end of appearance is connect with the collector of first triode, the base of the other end of the first capacitor and second triode
Pole connection, the capacitance of the first capacitor are 120pF.
In ups power described in the utility model, the voltage detecting circuit further includes the 5th resistance, the 5th electricity
One end of resistance is connect with the emitter of first triode, the other end ground connection of the 5th resistance, the 5th resistance
Resistance value is 45k Ω.
In ups power described in the utility model, the voltage detecting circuit further includes the 6th resistance, the 6th electricity
One end of resistance is connect with the emitter of second triode, the other end ground connection of the 6th resistance, the 6th resistance
Resistance value is 36k Ω.
In ups power described in the utility model, first triode and the second triode are three pole of NPN type
Pipe.
The ups power for implementing the utility model has the advantages that due to being equipped with charger, battery group, inversion
Device, voltage detecting circuit, transformer, output circuit, charge/discharge control circuit and single-chip microcontroller, voltage detecting circuit include voltage input
End, first resistor, second resistance, the first triode, 3rd resistor, the 4th resistance, the second triode, voltage detection terminal and system
End, the voltage detecting circuit is compared with the circuit part of traditional ups power, and the component used is less, due to saving one
A little components can reduce hardware cost in this way, in addition, first diode is for carrying out current-limiting protection, therefore circuit structure compared with
For simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the utility model ups power one embodiment；
Fig. 2 is the circuit diagram of voltage detecting circuit in the embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the utility model ups power embodiment, the structural schematic diagram of the ups power is as shown in Figure 1.It, should in Fig. 1
Ups power includes charger 1, battery group 2, inverter 3, voltage detecting circuit 4, transformer 5, output circuit 6, control of discharge
The output end of circuit 7 and single-chip microcontroller 8, charger 1 is connect with the input terminal of battery group 2, the output end of battery group 2 and inversion
The input terminal of device 3 connects, and the output end of inverter 3 is connect with the input terminal of transformer 5, the output end and output electricity of transformer 5
The input terminal on road 6 connects, and the output end of charger 1 is connect with the input terminal of voltage detecting circuit 4, voltage detecting circuit 4 it is defeated
Outlet is connect with the input terminal of single-chip microcontroller 8, and the output end of single-chip microcontroller 8 is connect with the input terminal of inverter 3, the output of single-chip microcontroller 8
End is also connect with the input terminal of charge/discharge control circuit 7, and the output end of charge/discharge control circuit 7 is connect with the input terminal of battery group 2.
The output electric current of battery group 2 is transmitted to output circuit 6, voltage detecting circuit 4 after inverter 3 and transformer 5
The output voltage signal for the battery group 2 that will test is transmitted to single-chip microcontroller 8, and single-chip microcontroller 8 based on the received put by voltage signal control
Electric control circuit 7.When the output voltage in battery group 2 is excessively high, single-chip microcontroller 8 controls charge/discharge control circuit 7 to battery group 2
It discharges, solves the problems, such as that voltage is excessive and battery group 2 is caused to explode.
Fig. 2 is the circuit diagram of voltage detecting circuit in the present embodiment, and in Fig. 2, which includes electricity
Press input terminal Vin, first resistor R1, second resistance R2, the first triode Q1,3rd resistor R3, the 4th resistance R4, the two or three
Pole pipe Q2, voltage detection terminal A and system end C, voltage input end Vin respectively with one end of first resistor R1 and 3rd resistor R3
One end connection, the other end of first resistor R1 connect with the base stage of one end of second resistance R2 and the first triode Q1 respectively,
The other end of second resistance R2 is grounded, the collector of the first triode Q1 respectively with the other end of 3rd resistor R3, the 4th resistance
One end of R4 is connected with the base stage of the second triode Q2, the emitter of the first triode Q1, the other end of the 4th resistance R4 and
The emitter of second triode Q2 is grounded, the collector of the second triode Q2 respectively with the cathode and voltage of first diode D1
The anode of test side A connection, first diode D1 is connect with system end C.
For the voltage detecting circuit 4 compared with the circuit part of traditional ups power, the component used is less, circuit knot
Structure is relatively simple, maintains easily, and due to saving some components, hardware cost can be reduced in this way, in addition, first diode
D1 is Current Limiting Diodes, and for carrying out current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that this
In embodiment, the model S-272T of first diode D1, certainly, in practical applications, first diode D1 can also be used
Other models have the diode of similar functions.
Partial pressure resistance value according to first resistor R1 and second resistance R2 determines high pressure and/or according to 3rd resistor R3 and the
The partial pressure resistance value of four resistance R4 determines the voltage detection terminal A of low pressure；Voltage detection terminal A is connected to detection network VOLTAGE_
DET judges whether is voltage that voltage input end Vin is accessed by determining the low and high level of detection network VOLTAGE_DET
Generate under-voltage or over-voltage.
Voltage input end Vin is also referred to as " INPUT_VOLTAGE ".When voltage input end Vin is under-voltage, provided to equipment low
In the voltage of load voltage value, when voltage input end Vin over-voltage, the voltage for being higher than load voltage value is provided to equipment.Electric current
Protection has a voltage rating, but in practice, cannot be completely secured under rated voltage for all electrical equipments
Work, is a range near voltage rating, general to require ± 15%.In order to protect electrical equipment and processing quality,
If being lower than -15% this voltage, be exactly it is under-voltage, when operating voltage drops to this voltage hereinafter, protection act, cutting electricity
Source.On the contrary, being exactly over-voltage if being higher than+15% this voltage, protection act is to cut off the power.
In the voltage detecting circuit 4, it is divided into following three kinds of working conditions:
1, in the case of normal input voltage, the first triode Q1 cut-off, the second triode Q2 conducting detects network
VOLTAGE_DET is low level；
2, in the case where inputting high pressure, the first triode Q1 conducting, the second triode Q2 cut-off detects network VOLTAGE_
DET is high level；
3, in the case where inputting low pressure, the first triode Q1 cut-off, the second triode Q2 cut-off detects network VOLTAGE_
DET is high level.
If voltage detected does not meet above-mentioned three kinds of situations, that is, there is the phenomenon that under-voltage or over-voltage.
When there is over-voltage phenomenon, protection against excessive pressure is executed.Overvoltage protection is also overvoltage protection, is when voltage is more than
When scheduled maximum value, power supply is made to disconnect or make a kind of protected mode of controlled device voltage reduction.For example, by adding a mistake
Pressure protector solves the problems, such as this, i.e., at voltage input end parallel connection one " varistor ", when over-voltage, varistor punctures, and makes voltage
The front end of input terminal Vin is spaced apart or safe action, to make the voltage of its rear end disengaging over-voltage.
In the present embodiment, the first triode Q1 and the second triode Q2 are NPN type triode.Certainly, it is actually answering
In, the first triode Q1 and the second triode Q2 can also be PNP type triode, but at this moment the structure of circuit is also corresponding
It changes.
In the present embodiment, which further includes first capacitor C1, one end of first capacitor C1 and the one or three pole
The collector of pipe Q1 connects, and the other end of first capacitor C1 is connect with the base stage of the second triode Q2.First capacitor C1 is coupling
Capacitor, for preventing the interference between the first triode Q1 and the second triode Q2, with further enhance circuit safety and
Reliability.It is noted that the capacitance of first capacitor C1 is 120pF in the present embodiment, certainly, in practical applications, the
The capacitance of one capacitor C1 can adjust accordingly as the case may be.
In the present embodiment, which further includes the 5th resistance R5, one end and the one or three pole of the 5th resistance R5
The emitter of pipe Q1 connects, the other end ground connection of the 5th resistance R5.5th resistance R5 is current-limiting resistance, for the first triode
The emitter current of Q1 carries out current-limiting protection, further to enhance the safety and reliability of circuit.It is noted that this
In embodiment, the resistance value of the 5th resistance R5 is 45k Ω, and certainly, in practical applications, the resistance value of the 5th resistance R5 can basis
Concrete condition adjusts accordingly.
In the present embodiment, which further includes the 6th resistance R6, one end and the two or three pole of the 6th resistance R6
The emitter of pipe Q2 connects, the other end ground connection of the 6th resistance R6.6th resistance R6 is current-limiting resistance, for the second triode
The emitter current of Q2 carries out current-limiting protection, to further enhance current limitation effect.It is noted that in the present embodiment, the 6th
The resistance value of resistance R6 is 36k Ω, and certainly, in practical applications, the resistance value of the 6th resistance R6 can carry out phase as the case may be
It should adjust.
In the present embodiment, charger 1, battery group 2, inverter 3, transformer 5, output circuit 6, charge/discharge control circuit 7
The arbitrary structures that can be realized its function in the prior art are all made of with single-chip microcontroller 8, what working principle used is also existing skill
Working principle in art, no longer large fierce dog is stated herein.
In short, in the present embodiment, the voltage detecting circuit 4 is compared with the circuit part of traditional ups power, the member that uses
Device is less, and circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way,
In addition, being equipped with Current Limiting Diodes in the voltage detecting circuit 4, therefore the safety and reliability of circuit is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of ups power, which is characterized in that including charger, battery group, inverter, voltage detecting circuit, transformer,
Output circuit, charge/discharge control circuit and single-chip microcontroller, the output end of the charger are connect with the input terminal of the battery group, institute
It states battery pack output to connect with the input terminal of the inverter, the input of the output end of the inverter and the transformer
End connection, the output end of the transformer connect with the input terminal of the output circuit, the output end of the charger with it is described
The input terminal of voltage detecting circuit connects, and the output end of the voltage detecting circuit is connect with the input terminal of the single-chip microcontroller, institute
The output end for stating single-chip microcontroller is connect with the input terminal of the inverter, and the output end of the single-chip microcontroller is also electric with the control of discharge
The input terminal on road connects, and the output end of the charge/discharge control circuit is connect with the input terminal of the battery group；
The voltage detecting circuit includes voltage input end, first resistor, second resistance, the first triode, 3rd resistor, the 4th
Resistance, the second triode, voltage detection terminal and system end, the voltage input end respectively with one end of the first resistor and
One end of three resistance connects, the other end of the first resistor base with one end of the second resistance and the first triode respectively
Pole connection, the other end ground connection of the second resistance, the collector of first triode are another with the 3rd resistor respectively
One end, the 4th resistance one end connected with the base stage of the second triode, the emitter of first triode, the 4th resistance it is another
The emitter of one end and the second triode is grounded, the collector of second triode respectively with the cathode of first diode and
Voltage detection terminal connection, the anode of the first diode are connect with the system end, the model S- of the first diode
272T。
2. ups power according to claim 1, which is characterized in that the voltage detecting circuit further includes first capacitor, institute
The one end for stating first capacitor is connect with the collector of first triode, the other end of the first capacitor and the described 2nd 3
The base stage of pole pipe connects, and the capacitance of the first capacitor is 120pF.
3. ups power according to claim 2, which is characterized in that the voltage detecting circuit further includes the 5th resistance, institute
The one end for stating the 5th resistance is connect with the emitter of first triode, the other end of the 5th resistance ground connection, and described the
The resistance value of five resistance is 45k Ω.
4. ups power according to claim 3, which is characterized in that the voltage detecting circuit further includes the 6th resistance, institute
The one end for stating the 6th resistance is connect with the emitter of second triode, the other end of the 6th resistance ground connection, and described the
The resistance value of six resistance is 36k Ω.
5. ups power according to any one of claims 1 to 4, which is characterized in that first triode and the two or three
Pole pipe is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273166.9U CN209627047U (en) | 2019-03-04 | 2019-03-04 | Ups power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273166.9U CN209627047U (en) | 2019-03-04 | 2019-03-04 | Ups power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209627047U true CN209627047U (en) | 2019-11-12 |
Family
ID=68455747
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920273166.9U Expired - Fee Related CN209627047U (en) | 2019-03-04 | 2019-03-04 | Ups power |
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| Country | Link |
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| CN (1) | CN209627047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025976A (en) * | 2019-12-16 | 2020-04-17 | 广州市科士达电源设备有限公司 | Power environment monitoring host |
-
2019
- 2019-03-04 CN CN201920273166.9U patent/CN209627047U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025976A (en) * | 2019-12-16 | 2020-04-17 | 广州市科士达电源设备有限公司 | Power environment monitoring host |
| CN111025976B (en) * | 2019-12-16 | 2021-03-16 | 广州市科士达电源设备有限公司 | Power environment monitoring host |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |