CN101752881B - UPS (uninterrupted power supply) device with low power consumption - Google Patents
UPS (uninterrupted power supply) device with low power consumption Download PDFInfo
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- CN101752881B CN101752881B CN2008101859178A CN200810185917A CN101752881B CN 101752881 B CN101752881 B CN 101752881B CN 2008101859178 A CN2008101859178 A CN 2008101859178A CN 200810185917 A CN200810185917 A CN 200810185917A CN 101752881 B CN101752881 B CN 101752881B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a UPS (uninterrupted power supply) device with low power consumption, which comprises an energy storage unit, an AC-DC conversion circuit, a charging circuit, a selective circuit, a main detecting circuit, a main control circuit and a minor control circuit. As the running of the UPS device is controlled by the main control circuit or the minor control circuit, the UPS device can start and stop the running of the man control circuit or the minor control circuit in good time according to running information (for example, output current) of the UPS device so as to increase the overall efficiency of the UPS device and prolong the power supplying time; moreover, the UPS device can also stop a relatively high-drain controller in good time without affecting the running and power supplying of the UPS device.
Description
Technical field
The present invention relates to a kind of power supply unit, relate in particular to a kind of uninterruptable power supply with low-power consumption (Uninterruptible Power Supply, UPS).
Background technology
Along with the fast development of information industry and high-tech industry, most precision electronic device and equipment need rely on high-quality power supply supply and keep normal operation.In various supply power modes, uninterruptable power supply can also provide the high-quality power supply except can guaranteeing that power supply can not cut off the power supply, so uninterruptable power supply has become a kind of preferred plan that the high-quality power supply is provided now.
Usually; Some important equipment can provide power supply via uninterruptable power supply; Out of service to prevent visual plant because of city's electrical anomaly or interruption; And when using traditional uninterruptable power supply to supply power to these visual plants; Uninterruptable power supply can continue various relevant Premium Features are provided simultaneously, the user can more be known know the uninterruptable power supply situation of operation at present, and some relevant Premium Features can also make the more stable operation of uninterruptable power supply; For example; Utilize testing circuit to obtain operation informations such as the input voltage of uninterruptable power supply, input current, output voltage, output current, cell voltage, charging current and operating temperature, and calculate more operation informations such as present output electric weight, input electric weight, battery electric quantity and power supply remaining time, relend by indicator light or display these operation informations are shown via controller.In some traditional uninterruptable power supplies, can also these operation informations be sent to external device (ED) by PORT COM, so that external device (ED) also can be learnt the operation conditions that this uninterruptable power supply is present in real time.
Yet the importance of these relevant Premium Features and necessity can be along with the use occasion of uninterruptable power supply and running statuses and are different.To show that current battery electric weight and the Premium Features of supplying power remaining time are example; When the running status of uninterruptable power supply is the mains-supplied pattern; But the Premium Features that show current battery electric weight and power-on time are more inessential relatively; When the running status of uninterruptable power supply is battery powered mode; In order the user can be known know current battery electric weight or power supply remaining time, show that the Premium Features of current battery electric weight and power supply remaining time just become important relatively and necessary.
Hence one can see that; The tradition uninterruptable power supply provides continual power supply to the visual plant except continuing; More can increase extra testing circuit; So that extra relevant Premium Features to be provided constantly, still, equipment (do not consume electric power) when not moving, and the controller meeting continuous service of the testing circuit of these extra increases and high relatively power consumption is to provide all relevant Premium Features constantly; Cause traditional uninterruptable power supply can increase extra power consumption, and reduce overall efficiency and power-on time.
Therefore, how to develop a kind of uninterruptable power supply that improves above-mentioned known technology defective, real problem for the correlative technology field person solution that presses at present with low-power consumption.
Summary of the invention
Main purpose of the present invention is to provide a kind of uninterruptable power supply with low-power consumption; This uninterruptable power supply is by main control circuit or the operation of inferior control circuit control uninterruptable power supply; Uninterruptable power supply can be according to the operation information of uninterruptable power supply whereby; The output current of uninterruptable power supply for example; And in time start the operation of main control circuit or inferior control circuit; Can also in time close time the operation of control circuit or main control circuit,, can also in time close the controller of high relatively power consumption and do not influence the operation and the power supply of this uninterruptable power supply to improve the whole efficiency and the power-on time of uninterruptable power supply.
For reaching above-mentioned purpose, of the present invention one than the broad sense execution mode for a kind of uninterruptable power supply is provided, it comprises: energy-storage units is connected in the energy-storage units link and connects together between the end, in order to store electrical energy; The AC-DC change-over circuit is in order to convert AC-input voltage into first direct voltage; Charging circuit is connected between AC-DC change-over circuit and the energy-storage units link, in order to energy-storage units is charged; Select circuit, be connected in AC-DC change-over circuit, energy-storage units link and load, in order to the voltage of optionally exporting first direct voltage or energy-storage units link to load; Main testing circuit is connected on the output loop of uninterruptable power supply, in order to produce an operation information; Main control circuit is connected in main testing circuit and selects circuit, in order to the operation of control uninterruptable power supply; And inferior control circuit, be connected in main testing circuit, select circuit and main control circuit, in order to the operation of control uninterruptable power supply.Wherein, main control circuit starts operation or out of service with time control circuit according to this operation information.
Uninterruptable power supply of the present invention is by the operation of main control circuit or inferior control circuit control uninterruptable power supply; Uninterruptable power supply of the present invention can be according to the operation information of uninterruptable power supply; The output current of uninterruptable power supply for example, and in time start main control circuit or the operation of inferior control circuit, can also in time close time control circuit or main control circuit operation; To improve the whole efficiency of uninterruptable power supply; Particularly when uninterruptable power supply moves under standby power mode (backup mode), when just uninterruptable power supply provides electric energy to load by energy-storage units, under the identical prerequisite of the stored electric weight of energy-storage units; With respect to traditional uninterruptable power supply; The power-on time of uninterruptable power supply of the present invention is longer, and in addition, the power supply of uninterruptable power supply of the present invention can also in time be closed the controller of high relatively power consumption and do not influenced the operation and the power supply of this uninterruptable power supply.
Description of drawings
Figure 1A: be the circuit block diagram of the uninterruptable power supply of the preferred embodiment of the present invention.
Figure 1B: be the circuit partial schematic block diagram of exemplary of Figure 1A.
Fig. 1 C: be the local circuit sketch map of Figure 1B.
Fig. 2 A: be the circuit block diagram of the uninterruptable power supply of another preferred embodiment of the present invention.
Fig. 2 B: be the circuit partial schematic block diagram of exemplary of Fig. 2 A.
Fig. 2 C: be the local circuit sketch map of Fig. 2 B.
Fig. 3: be the local circuit sketch map of the uninterruptable power supply of another preferred embodiment of the present invention.
Fig. 4: be voltage and the current signal sequential sketch map of Fig. 1 C.
Fig. 5: be voltage and the current signal sequential sketch map of Fig. 2 C and Fig. 3;
And the accompanying drawing in the above-mentioned accompanying drawing shows the note explanation as follows:
1: uninterruptable power supply
9: load
10: the AC-DC change-over circuit
11: charging circuit
12: energy-storage units
13: select circuit
14: main testing circuit
15: main control circuit
16: inferior control circuit
17: the output overloading testing circuit
18: inferior testing circuit
10a: first output
10b: second output
12a: energy-storage units link
141: voltage amplifier circuit
142: filter circuit
1411: the first operational amplifiers
14a: detection signal output
14b, 15a, 163a, 141a: power end
15b: power control terminal
16a: first power end
16b: second source end
151: controller
151a～151d: first～the 4th output
152: the first master control drive circuits
153: the second master control drive circuits
154: power switch circuit
161: circuits for triggering
162: drive and testing circuit
162a: the control end of driving and testing circuit
163: comparison circuit
164: inferior control drive circuit
165: buffer circuit
1621: the three-terminal voltage-stabilizing assembly
1631: the second operational amplifiers
D
1～D
7: first diode～the 7th diode
Q
1～Q
6: first switch module～the 6th switch module
C
1～C
3: first electric capacity～the 3rd electric capacity
R
1～R
13: first resistance～the 13 resistance
V
A1～V
A4: the first control voltage～the 4th control voltage
R
T: detect resistance
D
z: Zener diode
C: cathode terminal
A: anode tap
G: control end
Ref: reference edge
V
In: AC-input voltage
V
o: output voltage
V
1: first direct voltage
V
2: second direct voltage
I
o: output current
V
Io: the output current detection signal
V
d: the circuits for triggering output voltage
V
b: the voltage of energy-storage units link
V
Ref: reference voltage
V
k: comparative voltage
V
Cop: guard signal
V
g: select the circuit control terminal voltage
Embodiment
Some exemplary embodiments that embody characteristic of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations different in form, its neither departing from the scope of the present invention, and explanation wherein and be shown in the usefulness of being used as explanation in essence, but not in order to restriction the present invention.
See also Figure 1A, it is the circuit block diagram of the uninterruptable power supply of the preferred embodiment of the present invention.Shown in Figure 1A; UPS supply 1 of the present invention is a kind of uninterruptable power supply 1 with low-power consumption; It comprises AC-DC change-over circuit 10, charging circuit 11, energy-storage units 12, selects circuit 13, main testing circuit 14, main control circuit 15, inferior control circuit 16; Wherein, the first input end that the first output 10a of AC-DC change-over circuit 10 is connected in the input of charging circuit 11 and selects circuit 13 is in order to AC-input voltage V
InConvert the first direct voltage V into
1Second input that the output of charging circuit 11 is connected in energy-storage units link 12a and selects circuit 13 is in order to the first direct voltage V
1Convert energy-storage units 12 acceptable voltage swings into and to energy-storage units 12 charging.Energy-storage units 12 is connected with the output of charging circuit 11 by energy-storage units link 12a, in order to store electrical energy and in the city electrical anomaly or electric energy is provided when interrupting.Select the output of circuit 13 to be connected in load 9, be sent to load 9 in order to the first input end that optionally will select circuit 13 or the power supply of second input, and interruptedly do not provide power supply, can also when unusual, stop out-put supply to load 9 to load.Main testing circuit 14, in order to the part operation conditions that detects uninterruptable power supply 1 to obtain the part operation information of this uninterruptable power supply 1, for example, the AC-input voltage V of this uninterruptable power supply 1
In, input current, output voltage V
o, output current I
o, operation information such as cell voltage, charging current and operating temperature.In present embodiment, 14 of main testing circuits detect output current I
oOperation information, wherein, main testing circuit 14 comprises output current detection circuit (not shown), it is serially connected with out-put supply V
oThe loop on, in order to detect output current I
oAnd the corresponding output current detection signal V of generation
Io
Main control circuit 15 is connected in the control end of selecting circuit 13, the detection signal output and the inferior control circuit 16 of main testing circuit 14; In order to 1 operation of control uninterruptable power supply; And the power end 15a of main control circuit 15 can be connected in the first output 10a (not shown) or the energy-storage units link 12a of AC-DC change-over circuit 10, gives main control circuit 15 power supplys by AC-DC change-over circuit 10, energy-storage units 12 or charging circuit 11 power supplies.In present embodiment, the power end 15a of main control circuit 15 is connected in energy-storage units link 12a, gives main control circuit 15 power supplys by energy-storage units 12 or charging circuit 11 power supplies.In addition, when main control circuit 15 is obtained the part operation information of uninterruptable power supply 1 by main testing circuit 14, that is obtain output current detection signal V
IoThe time; Main control circuit 15 meetings in time start time control circuit 16 operations according to the part operation information of the uninterruptable power supply 1 that the setting and the main testing circuit 14 of uninterruptable power supply 1 are obtained; Make time control circuit 16 take over the part controlled function of main control circuit 15; After inferior control circuit 16 was taken over the part controlled function of main control circuit 15, main control circuit 15 can power cutoffs and out of service.
Inferior control circuit 16 is connected in the control end of selecting circuit 13, detection signal output, energy-storage units link 12a and the main control circuit 15 of main testing circuit 14, in order to 1 operation of control uninterruptable power supply.Likewise; The first power end 16a of inferior control circuit 16 can be connected in the first output 10a (not shown) or the energy-storage units link 12a of AC-DC change-over circuit 10, provides power supply to inferior control circuit 16 by AC-DC change-over circuit 10, energy-storage units 12 or charging circuit 11.In present embodiment, the first power end 16a of inferior control circuit 16 is connected in energy-storage units link 12a, provides power supply to inferior control circuit 16 by energy-storage units 12 or charging circuit 11.In addition, when inferior control circuit 16 is obtained the part operation information of uninterruptable power supply 1 by main testing circuit 14, that is obtain output current detection signal V
IoThe time; Inferior control circuit 16 meetings in time start main control circuit 15 operations according to the part operation information of the uninterruptable power supply 1 that the setting and the main testing circuit 14 of uninterruptable power supply 1 are obtained; Make main control circuit 15 take over time controlled function of control circuit 16; After main control circuit 15 was taken over time controlled function of control circuit 16, inferior control circuit 16 can be out of service.
In present embodiment, uninterruptable power supply 1 of the present invention can be obtained the part operation information of uninterruptable power supply 1 according to main testing circuit 14, by the output current detection signal V of main testing circuit 14
Io, adjust main control circuit 15 and inferior control circuit 16 alternate runs automatically, that is one of them moves to use main control circuit 15 or inferior control circuit 16, is able to control uninterruptable power supply 1 continuous service.Wherein, the part operation information of uninterruptable power supply 1 is produced by main testing circuit 14.In present embodiment, main testing circuit 14 detects output current I
oOperation information; In some embodiment; Main testing circuit 14 can also comprise other testing circuit to detect the part operation information of more uninterruptable power supplies 1; Charging current testing circuit (not shown) for example produces the operation information of charging current in order to detect charging current, below will detect output current I with 14 of main testing circuits
oOperation information explain.
Please consult Figure 1A and Figure 1B again, wherein Figure 1B is the circuit partial schematic block diagram of exemplary of Figure 1A.Shown in Figure 1B; In present embodiment; Main control circuit 15 comprises controller 151, the first master control drive circuit 152, the second master control drive circuit 153 and power switch circuit 154; And inferior control circuit 16 comprises circuits for triggering 161, driving and testing circuit 162, comparison circuit 163 and inferior control drive circuit 164; Wherein, the output of controller 151 is connected to the control end of the first master control drive circuit 152 and the second master control drive circuit 153 and the signal receiving end of circuits for triggering 161, and the input of controller 151 is connected in the detection signal output 14a of main testing circuit 14; And the power end of controller 151 is connected in the output of power switch circuit 154, produces the first control voltage V in order to the operation information according to uninterrupted power supply source supply 1
A1, the second control voltage V
A2, the 3rd control voltage V
A3And the 4th control voltage V
A4, 1 operation of control uninterruptable power supply.
The first master control drive circuit 152 is connected to its 4th output 151d of controller 151 and the control end of selecting circuit 13, in order to 13 operations of driving selection circuit.The second master control drive circuit 153 is connected to the 3rd output 151c end of controller 151 and the control end of power switch circuit 154, in order to 154 operations of driving power switching circuit.Power switch circuit 154 is connected to the power end 15a of main control circuit 15 and the power end of controller 151; And the control end of power switch circuit 154 is connected in the second master control drive circuit 153; By 154 conductings of the second master control drive circuit, 153 driving power switching circuits, when power switch circuit 154 conductings, power supply can be sent to the power end of controller 151 via power switch circuit 154; On the contrary; When the second master control drive circuit 153 stopped driving power switching circuit 154, power switch circuit 154 can end, and made controller 151 powered-downs and out of service.
The signal receiving end of circuits for triggering 161 is connected to the first output 151a and the second output 151b of controller 151, and the output of circuits for triggering 161 is connected in the control end 162a of driving and testing circuit 162, in order to control voltage V according to first
A1With the second control voltage V
A2The corresponding circuits for triggering output voltage V that produces
d(for example according to V shown in Figure 4
A1With V
A2Produce the circuits for triggering output voltage V
d) controlling and driving and testing circuit 162 operations.Driving and testing circuit 162 are connected to the output of circuits for triggering 161 and the control end of selecting circuit 13, according to the circuits for triggering output voltage V
dOptionally driving selection circuit 13 conductings or end.
In present embodiment; The power end 162b of driving and testing circuit 162 is connected in time first power end 16a of control circuit 16; And charging circuit 11 or energy-storage units 12 are supplied power to driving and testing circuit 162 power supplys by the first power end 16a of inferior control circuit 16; In some embodiment; The power end 162b of driving and testing circuit 162 also can be connected in the first output 10a (not shown) of AC-DC change-over circuit 10, is given by 10 power supplies of AC-DC change-over circuit to drive and testing circuit 162 power supplys.
The input of comparison circuit 163 is connected in the detection signal output 14a of main testing circuit 14, and the output of comparison circuit 163 is connected in the control end of time control drive circuit 164, in order to output current detection signal V
IoOperation information and inner reference voltage V
Ref(not shown) relatively produces corresponding comparative voltage V
kTo control 164 operations of time control drive circuit.In present embodiment; The power end 163a of comparison circuit 163 is connected in time first power end 16a of control circuit 16; Charging circuit 11 or energy-storage units 12 are supplied power to comparison circuit 163 power supplys by the first power end 16a of inferior control circuit 16; In some embodiment, the power end 163a of comparison circuit 163 also can be connected in the first output 10a (not shown) of AC-DC change-over circuit 10, gives comparison circuit 163 power supplys by 10 power supplies of AC-DC change-over circuit.
Inferior control drive circuit 164 is connected in the power control terminal 15b of main control circuit 15 and the output of comparison circuit 163, and wherein, the control end of inferior control drive circuit 164 is connected in the output of comparison circuit 163, and according to comparative voltage V
kWhether decision opens the power supply of main control circuit 15 by the power control terminal 15b of main control circuit 15, main control circuit 15 is brought into operation.
See also Figure 1B and Fig. 1 C, wherein Fig. 1 C is the local circuit sketch map of Figure 1B.Shown in Fig. 1 C, select circuit 13 to comprise the first diode D
1, the second diode D
2And the first switch module Q
1, wherein, the first diode D
1Anode tap be connected in the first output 10a of AC-DC change-over circuit 10, the first diode D
1Cathode terminal be connected in the second diode D
2Cathode terminal and load 9, the second diode D
2Anode tap be connected in energy-storage units link 12a, select circuit 13 to utilize the first diode D
1With the second diode D
2Operation characteristic the first direct voltage V that AC-DC change-over circuit 10 is produced
1, the output voltage of charging circuit 11 or the voltage of energy-storage units 12 can optionally be sent to load 9.And the first switch module Q
1Be connected on the loop that connects end and load 9 altogether, and the first switch module Q
1Control end be connected in main control circuit 15 and inferior control circuit 16, by main control circuit 15 or the inferior control circuit 16 controls first switch module Q
1Conducting or end.In some embodiment, the first diode D
1With the second diode D
2Can be respectively substitute by two switch modules (not shown), and substituted these two switch module conductings or by receiving main control circuit 15 and 16 controls of inferior control circuit.
In present embodiment, main testing circuit 14 can be but is not limited to output current detection circuit, and this output current detection circuit comprises the detection resistance R
T, voltage amplifier circuit 141 and filter circuit 142, wherein, detect resistance R
TBe serially connected with on the loop of out-put supply, in order to detect output current I
oAnd the generation correspondence
Detection signal, produce corresponding output current again via filter circuit 142 filtering and voltage amplifier circuit 141 amplifying signals
Detection signalV
IoIn this enforcement, voltage amplifier circuit 141 is by first operational amplifier 1411 (Operational Amplifier), first resistance R
1And second resistance R
2Form, wherein, the positive input terminal of first operational amplifier 1411 is connected in the output of filter 142, first resistance R
1An end be connected in the output of first operational amplifier 1411, first resistance R
1The other end be connected in the negative input end of first operational amplifier 1411, second resistance R
2An end be connected in the negative input end of first operational amplifier 1411, second resistance R
2The other end be connected in and connect end altogether.In present embodiment, filter circuit 142 is by the 3rd resistance R
3And first capacitor C
1Be composed in series, the input of filter circuit 142 is connected in the detection resistance R
T, and the output of filter circuit 142, i.e. the 3rd resistance R
3And first capacitor C
1The series side, be connected in the input of voltage amplifier circuit 141.In some embodiment, main testing circuit 14 can not comprise filter circuit 142, detects resistance R
TBe directly connected in the input of voltage amplifier circuit 141.
In present embodiment; The power end 14b of main testing circuit 14 is connected in the power end 141a of energy-storage units link 12a, voltage amplifier circuit 141 and the power end of first operational amplifier 1411; Charging circuit 11 or energy-storage units 12 provide power supply to the main testing circuit 14 and first operational amplifier 1411 by the power end 14b of main testing circuit 14; In some embodiment; The power end 14b of main testing circuit 14 also can be connected in the first output 10a (not shown) of AC-DC change-over circuit 10, provides power supply to the main testing circuit 14 and first operational amplifier 1411 by AC-DC change-over circuit 10.
In present embodiment, the second master control drive circuit 153 of main control circuit 15 comprises the 4th resistance R
4And second switch assembly Q
2, wherein, second switch assembly Q
2Collector terminal (collector) be connected in the control end of power switch circuit 154, second switch assembly Q
2Emitter-base bandgap grading end (emitter) be connected in and connect end altogether, the 4th resistance R
4An end be connected in second switch assembly Q
2Base terminal (base), the 4th resistance R
4The other end be connected in the 3rd output 151c of controller 151.
In present embodiment, power switch circuit 154 comprises the 3rd switch module Q
3, the 5th resistance R
5And the 6th resistance R
6, wherein, the 3rd switch module Q
3The emitter-base bandgap grading end be connected in the power end 15a of main control circuit 15, the 3rd switch module Q
3Collector terminal be connected in the power end of controller 151, the 5th resistance R
5An end be connected in the power control terminal 15b and the second master control drive circuit, 153, the five resistance R of main control circuit 15
5The other end be connected in the 3rd switch module Q
3Base terminal, the 6th resistance R
6Be connected in the 3rd switch module Q
3Emitter-base bandgap grading end and base terminal between.
In present embodiment, circuits for triggering 161 comprise the 4th switch module Q
4, the 7th resistance R
7, the 8th resistance R
8, the 3rd diode D
3And the 4th diode D
4, wherein, the 3rd diode D
3With the 7th resistance R
7Series connection, and be connected in the 4th switch module Q
4Collector terminal and the first output 151a of controller 151, the 4th diode D
4With the 8th resistance R
8Series connection, and be connected in the 4th switch module Q
4Base terminal and the second output 151b of controller 151.
In present embodiment, driving and testing circuit 162 comprise the 5th switch module Q
5, the 5th diode D
5, the 9th resistance R
9, the tenth resistance R
10, the 11 resistance R
11And three-terminal voltage-stabilizing assembly 1621 (for example the TI model is the IC of TL431), wherein, the 5th switch module Q
5The emitter-base bandgap grading end be connected in time the first power end 16a of control circuit 16, the 5th diode D
5Anode tap be connected in the 5th switch module Q
5Collector terminal, the 5th diode D
5Cathode terminal be connected in the first switch module Q that selects circuit 13
1Control end.The 9th resistance R
9An end be connected in the 5th switch module Q
5Base terminal, the 9th resistance R
9The other end be connected in the cathode terminal C (cathode) of three-terminal voltage-stabilizing assembly 1621, the anode tap A (anode) of three-terminal voltage-stabilizing assembly 1621 is connected in and connects end altogether, the reference edge Ref of three-terminal voltage-stabilizing assembly 1621 is connected in the output of circuits for triggering 161.The tenth resistance R
10An end be connected in the reference edge Ref of three-terminal voltage-stabilizing assembly 1621, the tenth resistance R
10The other end be connected in and connect end altogether.The 11 resistance R
11An end be connected in the output of circuits for triggering 161 and the reference edge Ref of three-terminal voltage-stabilizing assembly 1621, the 11 resistance R
11The other end be connected in the 5th diode D
5Anode tap and the 5th switch module Q
5Collector terminal.Therefore, driving and testing circuit 162 can be according to the circuits for triggering output voltage V
dThe first switch module Q of driving selection circuit 13
1Conducting with end.
In present embodiment, comparison circuit 163 comprises second operational amplifier 1631, and wherein, the positive input terminal of second operational amplifier 1631 is connected in the detection signal output 14a of main testing circuit 14, and the negative input end of second operational amplifier 1631 receives reference voltage V
Ref, the output of second operational amplifier 1631 is connected in the control end of time control drive circuit 164, in order to output current detection signal V
IoWith reference voltage V
RefRelatively produce corresponding comparative voltage V
k164 operations of control time control drive circuit.In some embodiment, comparison circuit 163 also comprises the negative input end (not shown) that generating circuit from reference voltage is connected in second operational amplifier 1631, in order to produce reference voltage V
Ref
In present embodiment, inferior control drive circuit 164 comprises the 12 resistance R
12, second capacitor C
2And the 6th switch module Q
6, in present embodiment, the 6th switch module Q
6For thyristor (SiliconControlled Rectifier, SCR), wherein, the 6th switch module Q
6Anode tap A be connected in the power control terminal 15b of main control circuit 15, the 6th switch module Q
6Cathode terminal C be connected in and connect end altogether, the 6th switch module Q
6Control end G be connected in the output of comparison circuit 163, inferior control drive circuit 164 can be according to comparative voltage V
kWhether decision opens main control circuit 15 power supplys, and main control circuit 15 is brought into operation.
See also Figure 1A and Fig. 2 A, Fig. 2 A is the circuit block diagram of the uninterruptable power supply of another preferred embodiment of the present invention.Shown in Fig. 2 A; Fig. 2 A is similar with Figure 1A; Difference is that the uninterruptable power supply 1 of Fig. 2 A also comprises output overloading testing circuit 17 and inferior testing circuit 18; Wherein, output overloading testing circuit 17 is connected between the detection signal output 14a and time control circuit 16 of main testing circuit 14, also in order to guarantee the normal operation of circuit.Inferior testing circuit 18 is connected to input, the energy-storage units link 12a of main control circuit 15, AC-DC change-over circuit 10 and the output of selecting circuit 13; In order to detect other operation conditions of the uninterruptable power supply 1 beyond the operation information that main testing circuit 14 detected; To obtain other operation information of this uninterruptable power supply 1; In present embodiment, 14 of main testing circuits detect output current I
oOperation information, and inferior testing circuit 18 can detect output current I
oAC-input voltage V in addition
In, energy-storage units 12 voltage and output voltage V
oDeng operation information, and these other operation information is sent to main control circuit 15, main control circuit 15 can also be closed the operation of time testing circuit 18, makes time testing circuit 18 stop to detect other operation information.
See also Figure 1B, Fig. 2 A and Fig. 2 B, Fig. 2 B is the circuit partial schematic block diagram of exemplary of Fig. 2 A.Shown in Fig. 2 B, Fig. 2 B is similar with Figure 1B, and except the uninterruptable power supply 1 of Figure 1B also comprises output overloading testing circuit 17 and the inferior testing circuit 18, time control circuit 16 also comprises buffer circuit 165 among Fig. 2 B.Wherein, the buffer circuit 165 of inferior control circuit 16 is connected between the control end of comparison circuit 163 and time control drive circuit 164, in order to isolate the flip-flop of triggering signal, is about to the comparative voltage V that comparison circuit 163 produces
kFlip-flop isolate the comparative voltage V that comparison circuit 163 is produced
kWhen not changing, comparison circuit 163 output currents are zero, and reduce power consumption, and time control drive circuit 164 of can also resetting makes time control drive circuit 164 stop to drive the power switch circuit 154 of main control circuit 15.The input of output overloading testing circuit 17 is connected in the detection signal output 14a of main testing circuit 14, and the output of output overloading testing circuit 17 is connected in circuits for triggering 161, in order to according to output current detection signal V
IoJudge output current I
oWhether size reaches overload or short-circuit current value, and the corresponding guard signal V that produces
CopMake the corresponding immediately circuits for triggering output voltage V that produces of circuits for triggering 161
dControlling and driving and testing circuit 162 stop 13 operations of driving selection circuit, to stop to select circuit 13 out-put supplies.
In present embodiment; Energy-storage units 12 can but do not limit by a battery and form; Can also utilize modes such as serial or parallel connection to form by a plurality of batteries, and battery can but be not defined as lithium ion, plumbic acid, ni-mh, NI-G, lithium cobalt, lithium manganese or LiFePO4 (C-LiFePO
4) battery.In addition, energy-storage units 12 is for changeable type designs, and when energy-storage units 12 arrived useful life or store the electric weight deficiency, the user can change energy-storage units 12 easily.
In present embodiment, controller 151 can be but not be defined as microcontroller (micro controller) or digital signal processor (digital signal processor).In present embodiment; Switch module can be but not be defined as thyristor (Silicon-Controlled Rectifier; SCR), bipolar junction transistor (Bipolar Junction Transistor; BJT) or golden oxygen oxide semiconductor field effect transistor (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET).
In present embodiment, as the voltage swing or the first direct voltage V of energy-storage units 12
1When non-main control circuit 15 of size or inferior control circuit 16 acceptable magnitudes of voltage; Uninterruptable power supply 1 also can comprise before the first power end 16a that voltage-regulating circuit (not shown) is connected in main control circuit 15 or inferior control circuit 16, in order to the voltage or the first direct voltage V with energy-storage units 12
1Be adjusted into main control circuit 15 or inferior control circuit 16 can be accepted magnitude of voltage.See also Fig. 1 C, Fig. 2 B and Fig. 2 C, wherein Fig. 2 C is the local circuit sketch map of Fig. 2 B.Shown in Fig. 2 C, Fig. 2 C is similar with Fig. 1 C, and difference is that the uninterruptable power supply 1 of Fig. 2 C also comprises output overloading testing circuit 17 and inferior testing circuit 18, and inferior control circuit 16 also comprises buffer circuit 165.In present embodiment, output overloading testing circuit 17 comprises the 6th diode D
6And Zener diode D
z(Zener diode) is connected in series between the detection signal output 14a of time input of the circuits for triggering 161 of control circuit 16 and main testing circuit 14.Inferior testing circuit 18 is connected to input, the energy-storage units link 12a of main control circuit 15, AC-DC change-over circuit 10 and the output of selecting circuit 13; In order to detect other operation conditions of the uninterruptable power supply 1 beyond the operation information that main testing circuit 14 detected; To obtain other operation information of this uninterruptable power supply 1; In present embodiment, 14 of main testing circuits detect output current I
oOperation information, and inferior testing circuit 18 can detect output current I
oAC-input voltage V in addition
In, energy-storage units 12 voltage and output voltage V
oDeng operation information; And these other operation information is sent to main control circuit 15; So that uninterruptable power supply 1 has more relevant Premium Features can also make the more stable operation of uninterruptable power supply, main control circuit 15 can also in time be closed the operation of time testing circuit 18.
In present embodiment, output overloading testing circuit 17 comprises the 6th diode D
6And Zener diode D
z(Zener diode), and be connected in series between the detection signal output 14a of time input of the circuits for triggering 161 of control circuit 16 and main testing circuit 14, wherein, the 6th diode D
6And Zener diode D
zBe connected in series in the 4th diode D
4And between the detection signal output 14a of main testing circuit 14.In present embodiment, the buffer circuit 165 of inferior control circuit 16 comprises the 13 resistance R
13And the 3rd capacitor C
3, and be connected in series between the control end of output and time control drive circuit 164 of comparison circuit 163, in some embodiment, the buffer circuit 165 of this time control circuit 16 has only single the 3rd capacitor C
3Be connected in series between the control end of output and time control drive circuit 164 of comparison circuit 163.In some embodiment, main control circuit 15 also comprises a start-up circuit (not shown) and is connected in the control end of power switch circuit 154 by the power control terminal 15b of main control circuit 15, in order to start uninterruptable power supply 1.
See also Fig. 1 C and Fig. 3, Fig. 3 is the local circuit sketch map of the uninterruptable power supply of another preferred embodiment of the present invention.As shown in Figure 3; Fig. 3 is similar with Fig. 1 C; The uninterruptable power supply 1 of Fig. 3 is except also comprising not the existing together of output overloading testing circuit 17; The power end 14b of main testing circuit 14 and the power end 163a of comparison circuit 163 are different from the second output 10b that Fig. 1 C is connected in AC-DC change-over circuit 10, and also comprise the 7th diode D
7Be connected between the second output 10b of the control end of selecting circuit 13 and AC-DC change-over circuit 10, and the second output 10b of the AC-DC change-over circuit 10 power end 14b that also is connected in main testing circuit 14 and the second source end 16b that time controls circuit 16.
In present embodiment, the second direct voltage V that the second output 10b of AC-DC change-over circuit 10 is produced
2When not interrupting, AC-DC change-over circuit 10 can provide power supply to use to main testing circuit 14 and comparison circuit 163 by the power end 14b of main testing circuit 14 and the second source end 16b of time control circuit 16 respectively.The second direct voltage V that is produced as the second output 10b of AC-DC change-over circuit 10
2During interruption, the first master control drive circuit 152 of the driving of inferior control circuit 16 and testing circuit 162 or main control circuit 15 can be by the 7th diode D
7Provide power supply to use, make main testing circuit 14 and comparison circuit 163 can continue operation to main testing circuit 14 and comparison circuit 163.
Because the power end 14b of main testing circuit 14 and comparison circuit 163; 163a is not connected in energy-storage units link 12a; Therefore no matter uninterruptable power supply 1 is in standby or when out of service, can not consume the electric energy of energy-storage units 12, so; When uninterruptable power supply 1 used energy-storage units 12 that electric energy is provided to load 9, the power-on time of uninterruptable power supply 1 of the present invention was longer relatively.
See also Fig. 1 C and Fig. 4, wherein Fig. 4 is voltage and the current signal sequential sketch map of Fig. 1 C.As shown in Figure 4, at time t
0With time t
1Between, output current I
oOperation information greater than a specific current value, in present embodiment, this specific current value can be but is not limited to 0.3 ampere (A), the controller 151 of main control circuit 15 is obtained output current I by main testing circuit 14
oOperation information and judge output current I
oOperation information greater than specific current value, main control circuit 15 can normal operation and the operation of uninterruptable power supply 1 by main control circuit 15 controls.Likewise, the comparison circuit 163 of inferior control circuit 16 also can be obtained output current I by main testing circuit 14
oOperation information and judge output current I
oOperation information greater than specific current value, and produce the comparative voltage V of high potential
kMake time control drive circuit 164 driving power switching circuits 154, to start main control circuit 15 operations.At this moment, inferior control circuit 16 can be out of service, and the controller 151 of main control circuit 15 can produce the first control voltage V respectively
A1, the second control voltage V
A2, the 3rd control voltage V
A3And the 4th control voltage V
A4, wherein, the first control voltage V
A1Be electronegative potential, the second control voltage V
A2Be electronegative potential, the 3rd control voltage V
A3Be high potential, the 4th control voltage V
A4Be high potential, in present embodiment, main control circuit 15 is the first control voltage V that utilize high potential
A1Start time control circuit 16 operations, utilize the second control voltage V of high potential
A2Stop time control circuit 15 operations, utilize the 3rd control voltage V of high potential
A3Make the second master control drive circuit, 153 driving power switching circuits 154 continue conducting, utilize the 4th control voltage V of high potential
A4Make the first switch module Q of the first master control drive circuit, 152 driving selection circuit 13
1Conducting, therefore, at time t
0With time t
1Between, the first control voltage V
A1With the circuits for triggering output voltage V
dBe electronegative potential, inferior control circuit 16 can be kept situation out of service, and the operation of uninterruptable power supply 1 is by main control circuit 15 controls.
At time t
1The time, output current I
oLess than specific current value, the controller 151 of main control circuit 15 is obtained output current I by main testing circuit 14
oOperation information and judge output current I
oOperation information less than specific current value, in present embodiment, main control circuit 15 can produce the first control voltage V of high potentials
A1Start time control circuit 16 and bring into operation, in present embodiment, the circuits for triggering 161 of inferior control circuit 16 are receiving the first control voltage V of high potential
A1The time, the circuits for triggering output voltage V
dBecome high potential by electronegative potential, make the first switch module Q of driving and testing circuit 162 driving selection circuit 13
1, inferior control circuit 16 is taken over the control of main control circuit 15, makes uninterruptable power supply 1 continuous service.At this moment, the comparison circuit 163 of inferior control circuit 16 also can be obtained output current I by main testing circuit 14
oOperation information and judge output current I
oOperation information less than specific current value, and produce the comparative voltage V of electronegative potential
kMake time control drive circuit 164 stop to drive the power switch circuit 154 of main control circuit 15.
At time t
2The time, the 3rd control voltage V
A3Can become electronegative potential by high potential; Make the second master control drive circuit 153 stop driving power switching circuit 154; Time control drive circuit 164 also stops driving power switching circuit 154 simultaneously; Therefore, power switch circuit 154 can by and make main control circuit 15 power cutoffs and out of service, equally also can make the first control voltage V that controller 151 is produced
A1, the second control voltage V
A2, the 3rd control voltage V
A3And the 4th control voltage V
A4Become electronegative potential, at this moment, take over main control circuit 15 control uninterruptable power supplies 1 continuous service by inferior control circuit 16.
At time t
3The time, output current I
oOperation information greater than specific current value, the comparison circuit 163 of inferior control circuit 16 is obtained output current I by main testing circuit 14
oOperation information and judge output current I
oOperation information greater than specific current value, and produce the comparative voltage V of high potential
kMake time control drive circuit 164 drive power switch circuit 154 conductings of main control circuit 15, to start main control circuit 15 operations, at this moment, the controller 151 of main control circuit 15 can produce the 3rd control voltage V of high potential
A3Make 154 conductings of the second master control drive circuit, 153 driving power switching circuits, the 4th control voltage V of high potential
A4Make the first master control drive circuit 152 take over the first switch module Q of driving and testing circuit 162 driving selection circuit 13
1Conducting, the second control voltage V of high potential
A2Close time control circuit 16 operations, so that main control circuit 15 is taken over time control circuit 16 control uninterruptable power supplies 1 continuous service.
At time t
4The time, in present embodiment, in order to reduce the power consumption of whole uninterruptable power supply 1, controller 151 can be with the second control voltage V
A2Change into electronegative potential by high potential, in some embodiment, the second control voltage V
A2Continue to keep high potential in the time of can maintaining main control circuit 15 operations.
See also Fig. 2 C, Fig. 3, Fig. 4 and Fig. 5, wherein Fig. 5 is voltage and the current signal sequential sketch map of Fig. 2 C and Fig. 3.As shown in Figure 5, Fig. 5 is similar with Fig. 4, and at time t
0With time t
4Between voltage identical with the operation of current signal and uninterruptable power supply 1.At time t
5The time, output current I
oLess than specific current value, in present embodiment, main control circuit 15 can produce the first control voltage V of high potential again
A1Start time control circuit 16 and bring into operation the circuits for triggering output voltage V
dBecome high potential by electronegative potential, make driving and testing circuit 162 take over the first switch module Q of the first master control drive circuit, 152 driving selection circuit 13
1, at this moment, the comparison circuit 163 of inferior control circuit 16 also can produce the comparative voltage V of electronegative potential
kMake time control drive circuit 164 stop to drive the power switch circuit 154 of main control circuit 15.
At time t
6The time, the 3rd control voltage V
A3Also can become electronegative potential, make main control circuit 15 power cutoffs and out of service, at this moment, take over main control circuit 15 control uninterruptable power supplies 1 continuous service by inferior control circuit 16 by high potential.
At time t
7The time, uninterruptable power supply 1 transships (over load), and output overloading testing circuit 17 is obtained output current I by main testing circuit 14
oOperation information, and judge output current I
oOverload takes place and the guard signal V of generation high potential
Cop, make circuits for triggering 161 produce the circuits for triggering output voltage V of electronegative potential
dControlling and driving and testing circuit 162 stop to drive the first switch module Q
1, in order to do making uninterruptable power supply 1 stop out-put supply.After the process reaction time, at time t
8The time, the output current I of uninterruptable power supply 1
oCan reduce to zero ampere (A).
Please consult Fig. 1 C, Fig. 2 C and Fig. 3 again, in these are implemented, drive and testing circuit 162 is triggered by circuits for triggering 161 and brings into operation, after driving and testing circuit 162 brings into operation, drive and testing circuit 162 can be by the tenth resistance R
10With the 11 resistance R
11Voltage V with energy-storage units link 12a
bDividing potential drop makes the circuits for triggering output voltage V
dMaintain more than the working voltage value, for example 2.5 volts (V), wherein, the voltage V of energy-storage units link 12a
bWith the circuits for triggering output voltage V
dBetween relational expression approximately slightly
If the voltage V of energy-storage units link 12a
bWhen being lower than the working voltage value, the circuits for triggering output voltage V
dThe reference voltage level that also can be lower than in the three-terminal voltage-stabilizing assembly 1621 makes three-terminal voltage-stabilizing assembly 1621 out of service, and then makes the 5th switch module Q
5Stop to drive the first switch module Q by, driving and testing circuit 162
1And select the control end voltage V of circuit 13
gBe electronegative potential, so that uninterrupted power supply supplies device 1 out of service.In other words, when uninterrupted power supply supplies device 1 to utilize the electric energy of energy-storage units 12 to offer load 9, if drive and testing circuit 162 to detect the electric weight of energy-storage units 12 by energy-storage units link 12a not enough and cause the voltage V of energy-storage units link 12a
bBe lower than the working voltage value, driving and testing circuit 162 can stop to drive the first switch module Q
1, so that uninterrupted power supply supplies device 1 out of service.
From the above; Uninterruptable power supply 1 of the present invention is by main control circuit 15 or 1 operation of inferior control circuit 16 control uninterruptable power supplies; Because main control circuit 15 comprises the higher controller of power consumption 151, even the power consumption of the power consumption when controller 151 operates in battery saving mode (Suspend Mode) also can't be than inferior control circuit 16 operations the time lacks; Therefore, at time t
2With time t
3Between, when main control circuit 15 control circuit 16 out of service and inferior moved, the whole power consumption of uninterruptable power supply 1 can reduce much relatively, and the whole efficiency of uninterruptable power supply 1 is improved and the power-on time lengthening.At time t
0With time t
1Between, main control circuit 15 operation and inferior control circuit 16 is out of service, main control circuit 15 can provide relatively the relevant Premium Features more than inferior control circuit 16, to satisfy user's demand.
In sum; Uninterruptable power supply of the present invention is by the operation of main control circuit or inferior control circuit control uninterruptable power supply, and uninterruptable power supply of the present invention can be according to the operation information of uninterruptable power supply, for example the output current of uninterruptable power supply; And in time start the operation of main control circuit or inferior control circuit; Can also in time close inferior control circuit or main control circuit operation, to improve the whole efficiency of uninterruptable power supply, particularly when uninterruptable power supply moves under standby power mode (backup mode); When just uninterruptable power supply provides electric energy to load by energy-storage units; Under the identical prerequisite of the stored electric weight of energy-storage units, with respect to traditional uninterruptable power supply, the power-on time of uninterruptable power supply of the present invention is longer; In addition, the power supply of uninterruptable power supply of the present invention can also in time be closed the controller of high relatively power consumption and do not influenced the operation and the power supply of this uninterruptable power supply.
The present invention must be appointed by those of ordinary skills and executes that the craftsman thinks and be to modify the claimed scope of right neither disengaging accompanying claims as all.
Claims (24)
1. uninterruptable power supply, it comprises:
One energy-storage units is connected in an energy-storage units link and connects altogether between the end, in order to store electrical energy;
One AC-DC change-over circuit is in order to convert an AC-input voltage into one first direct voltage;
One charging circuit is connected between this AC-DC change-over circuit and this energy-storage units link, in order to this energy-storage units is charged;
One selects circuit, is connected in this AC-DC change-over circuit, this energy-storage units link and a load, in order to the voltage of optionally exporting this first direct voltage or this energy-storage units link to this load;
One main testing circuit is connected on the output loop of this uninterruptable power supply, in order to produce an operation information;
One main control circuit is connected in this main testing circuit and this selection circuit, in order to control this uninterruptable power supply operation; And
A control circuit is connected in this main testing circuit, this selection circuit and this main control circuit, in order to control this uninterruptable power supply operation;
Wherein, this main control circuit and this time control circuit starts operation or out of service according to this operation information.
2. uninterruptable power supply as claimed in claim 1; Wherein this main control circuit and this time control circuit also is connected in this energy-storage units link or this AC-DC change-over circuit, by this energy-storage units, this charging circuit or the power supply of this AC-DC change-over circuit.
3. uninterruptable power supply as claimed in claim 1, wherein this main testing circuit comprises an output current detection circuit, and this output current detection circuit comprises:
One detects resistance, is connected in series on the output loop of this uninterruptable power supply, in order to an output current that detects this uninterruptable power supply and a detection resistance voltage signal that produces correspondence; And
One voltage amplifier circuit is connected in this detection resistance, amplified producing an output current detection signal in order to should detect the resistance voltage signal, and this output current detection signal comprises at least one this operation information.
4. uninterruptable power supply as claimed in claim 3, wherein this voltage amplifier circuit comprises:
One first operational amplifier;
One first resistance, an end of this first resistance is connected in the output of this first operational amplifier, and the other end is connected in the negative input end of this first operational amplifier; And
One second resistance, an end of this second resistance is connected in the negative input end of this first operational amplifier, and the other end of this second resistance is connected in this and connects end altogether.
5. uninterruptable power supply as claimed in claim 3, wherein this output current detection circuit also comprises a filter circuit, is connected between this detection resistance and this voltage amplifier circuit.
6. uninterruptable power supply as claimed in claim 5, wherein this filter circuit comprises one the 3rd resistance and one first capacitances in series is connected in a series side, and this series side is connected with this voltage amplifier circuit.
7. uninterruptable power supply as claimed in claim 1, wherein this main control circuit comprises:
One power switch circuit is connected in this energy-storage units link;
One first master control drive circuit is connected in this selection circuit, should select the circuit operation in order to drive;
One second master control drive circuit is connected in this power switch circuit, this time control circuit, in order to drive this power switch circuit conducting or to end; And
One controller; Be connected in this first master control drive circuit, this second master control drive circuit, this power switch circuit, this main testing circuit and this time control circuit; In order to controlling the operation of this uninterruptable power supply, and start the operation of this time control circuit, close this time control circuit operation or stop this power switch circuit conducting so that this main control circuit is out of service according to this operation information.
8. uninterruptable power supply as claimed in claim 7, wherein this controller is microcontroller or digital signal processor.
9. uninterruptable power supply as claimed in claim 7, wherein this second master control drive circuit comprises:
One second switch assembly, the collector terminal of this second switch assembly is connected in the control end of this power switch circuit; And
One the 4th resistance, an end of the 4th resistance is connected in the base terminal of this second switch assembly, and the other end of the 4th resistance is connected in this controller.
10. uninterruptable power supply as claimed in claim 7, wherein this power switch circuit comprises:
One the 3rd switch module, the emitter-base bandgap grading end of the 3rd switch module are connected in first output or the energy-storage units link of this AC-DC change-over circuit, and the collector terminal of the 3rd switch module is connected in a power end of this controller;
One the 5th resistance, an end of the 5th resistance are connected in this time control circuit and this second master control drive circuit, and the other end of the 5th resistance is connected in the base terminal of the 3rd switch module; And
One the 6th resistance is connected between the emitter-base bandgap grading end and base terminal of the 3rd switch module.
11. uninterruptable power supply as claimed in claim 1, wherein this time control circuit comprises:
One circuits for triggering are connected in this main control circuit, in order to one first control voltage and the corresponding output one circuits for triggering output voltage of one second control voltage that produces according to this main control circuit;
One drives and testing circuit, is connected in these circuits for triggering and this selection circuit, in order to according to this circuits for triggering output voltage optionally the driving selection circuit move;
One comparison circuit is connected in this main testing circuit, relatively produces a corresponding comparative voltage in order to the detection signal that will represent this operation information with a reference voltage; And
A control Driver Circuit is connected in this comparison circuit and this main control circuit, in order to whether to open the power supply of this main control circuit according to this comparative voltage decision, this main control circuit is brought into operation.
12. uninterruptable power supply as claimed in claim 11, wherein these circuits for triggering comprise:
One the 4th switch module, the collector terminal of the 4th switch module is connected in the control end of this driving and testing circuit;
One the 7th resistance, an end of the 7th resistance is connected in the collector terminal of the 4th switch module;
One the 3rd diode, the 3rd diode is connected in series in the 7th resistance, and is connected in this main control circuit;
One the 8th resistance, an end of the 8th resistance is connected in the base terminal of the 4th switch module; And
One the 4th diode, the 4th diode is connected in series in the 8th resistance, and is connected in this main control circuit.
13. uninterruptable power supply as claimed in claim 11; Wherein this driving and testing circuit comprise one the 5th switch module, the 5th diode, one the 9th resistance, 1 the tenth resistance, 1 the 11 resistance and a three-terminal voltage-stabilizing assembly; Wherein, The cathode terminal of the 5th diode is connected in this selection circuit control end, and an end of the 9th resistance is connected in the base terminal of the 5th switch module, and the other end of the 9th resistance is connected in the cathode terminal of this three-terminal voltage-stabilizing assembly; The anode tap of this three-terminal voltage-stabilizing assembly is connected in this and connects end altogether; The reference edge of this three-terminal voltage-stabilizing assembly is connected in the output of these circuits for triggering, and an end of the tenth resistance is connected in the reference edge of this three-terminal voltage-stabilizing assembly, and the other end of the tenth resistance is connected in and connects end altogether; One end of the 11 resistance is connected in the output of these circuits for triggering and the reference edge of this three-terminal voltage-stabilizing assembly, and the other end of the 11 resistance is connected in the anode tap of the 5th diode and the collector terminal of the 5th switch module.
14. uninterruptable power supply as claimed in claim 11; Wherein this comparison circuit comprises one second operational amplifier; The positive input terminal of this second operational amplifier is connected in this main testing circuit; The negative input end of this second operational amplifier receives this reference voltage; The output of this second operational amplifier is connected in the control end of this time control drive circuit, relatively produces this corresponding comparative voltage in order to the detection signal that will represent this operation information with this reference voltage, to control the operation of this time control drive circuit.
15. uninterruptable power supply as claimed in claim 11; Wherein this time control drive circuit comprises 1 the 12 resistance, one second electric capacity and one the 6th switch module; Wherein, The anode tap of the 6th switch module is connected in this main control circuit, and the cathode terminal of the 6th switch module is connected in this and connects end altogether, and the control end of the 6th switch module is connected in the output of this comparison circuit; Whether this time control drive circuit opens this main control circuit power supply according to this comparative voltage decision, and this main control circuit is brought into operation.
16. uninterruptable power supply as claimed in claim 11, wherein this time control circuit also comprises between the control end that a buffer circuit is connected in this comparison circuit and this time control drive circuit, in order to isolated DC or this time control drive circuit of resetting.
17. uninterruptable power supply as claimed in claim 16, wherein this buffer circuit comprises 1 the 13 resistance and one the 3rd electric capacity, and is connected in series between the control end of this comparison circuit and this time control drive circuit.
18. uninterruptable power supply as claimed in claim 1 also comprises an output overloading testing circuit, this output overloading testing circuit is connected between the detection signal output and this time control circuit of this main testing circuit.
19. uninterruptable power supply as claimed in claim 18; Wherein this output overloading testing circuit comprises one the 6th diode and a Zener diode, and the 6th diode and this Zener diode are connected in series between the detection signal output of this time control circuit and this main testing circuit.
20. uninterruptable power supply as claimed in claim 1; Wherein this selection circuit comprises one first diode, one second diode and one first switch module; Wherein, The anode tap of this first diode is connected in this AC-DC change-over circuit; The cathode terminal of this first diode is connected in cathode terminal and this load of this second diode, and the anode tap of this diode is connected in this energy-storage units link, and this first switch module is connected on this loop that connects end and this load altogether; And the control end of this first switch module is connected in this main control circuit and this time control circuit, by this main control circuit or this time control circuit this first switch module conducting of control or end.
21. uninterruptable power supply as claimed in claim 1; Also comprise one the 7th diode; The 7th diode is connected between the output of this selection circuit control end and this AC-DC change-over circuit, and the output of this AC-DC change-over circuit is connected in the power end of this main testing circuit and the power end of this time control circuit.
22. uninterruptable power supply as claimed in claim 1; Also comprise the one-time detection circuit; Be connected in the output of this main control circuit, this AC-DC change-over circuit, this energy-storage units link and this selection circuit, in order to detect other operation information of this uninterruptable power supply beyond this operation information that this main testing circuit detects.
23. uninterruptable power supply as claimed in claim 22; Wherein this operation information is an output current of this uninterruptable power supply, a voltage that this other operation information is an AC-input voltage, this energy-storage units and/or an output voltage of this uninterruptable power supply.
24. uninterruptable power supply as claimed in claim 1, wherein this main control circuit and this time control circuit is an alternate run, in order to alternately to control this uninterruptable power supply operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101859178A CN101752881B (en) | 2008-12-16 | 2008-12-16 | UPS (uninterrupted power supply) device with low power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101859178A CN101752881B (en) | 2008-12-16 | 2008-12-16 | UPS (uninterrupted power supply) device with low power consumption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101752881A CN101752881A (en) | 2010-06-23 |
| CN101752881B true CN101752881B (en) | 2012-05-02 |
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|---|---|---|---|
| CN2008101859178A Expired - Fee Related CN101752881B (en) | 2008-12-16 | 2008-12-16 | UPS (uninterrupted power supply) device with low power consumption |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101938874A (en) * | 2010-09-13 | 2011-01-05 | 广东金莱特电器股份有限公司 | Integrated intelligent control type lighting lamp control circuit |
| CN102487243B (en) * | 2010-12-03 | 2014-05-07 | 台达电子工业股份有限公司 | Power supply and power-supply system provided with plurality of power supplies |
| CN106328179B (en) * | 2015-06-22 | 2024-04-05 | 北京忆恒创源科技股份有限公司 | Power supply circuit and power supply method |
| CN108990224B (en) * | 2017-06-02 | 2021-05-04 | 深圳市绎立锐光科技开发有限公司 | Laser optical fiber lighting system, indoor lighting system and outdoor lighting system |
| CN107909237A (en) * | 2017-10-09 | 2018-04-13 | 珠海格力电器股份有限公司 | The control method and device of energy consumption equipment in energy internet |
| US10924112B2 (en) * | 2019-04-11 | 2021-02-16 | Ememory Technology Inc. | Bandgap reference circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484355A (en) * | 2002-08-16 | 2004-03-24 | 泰国国家科技发展署 | High-efficient UPS |
| CN201045748Y (en) * | 2007-01-29 | 2008-04-09 | 德观电子(上海)有限公司 | Ups |
-
2008
- 2008-12-16 CN CN2008101859178A patent/CN101752881B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484355A (en) * | 2002-08-16 | 2004-03-24 | 泰国国家科技发展署 | High-efficient UPS |
| CN201045748Y (en) * | 2007-01-29 | 2008-04-09 | 德观电子(上海)有限公司 | Ups |
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