CN2454974Y - Detection apparatus of aputoamtically regulating non-intermittent power-supply - Google Patents
Detection apparatus of aputoamtically regulating non-intermittent power-supply Download PDFInfo
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- CN2454974Y CN2454974Y CN 00257777 CN00257777U CN2454974Y CN 2454974 Y CN2454974 Y CN 2454974Y CN 00257777 CN00257777 CN 00257777 CN 00257777 U CN00257777 U CN 00257777U CN 2454974 Y CN2454974 Y CN 2454974Y
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Abstract
The utility model relates to a detection apparatus for an automatically regulated unintermittent power supply, composed of an EMI filter, a step transformer, a first, a second and a third relays, a voltage and frequency detection circuit, a microcomputer control circuit, a rectifying charging circuit, a battery pack, an alternating current output circuit, a load detection circuit, a DCTODC high voltage direct current generating circuit, a DCTOAC alternating current generating circuit, etc., and the units are connected. When mains voltage is from 15% to 30% higher or lower, the unintermittent power supply of high-frequency machines still has the function of automatically decreasing or increasing the mains voltage, so that the conditions of switching to a battery voltage mode, exhausted battery energy or in operation, etc. can not occur when the mains voltage is continuously used to supply for a computer and the periphery thereof.
Description
The utility model is a kind of arrangement for detecting of automatic adjustment uninterrupted power supply (ups) Unity, refers to a kind of UPS that can make the high frequency machine especially when line voltage is higher or lower than more than 15% in 30%, still has automatically line voltage to be reduced or the device of enhanced feature.
At present uninterrupted power supply on the market can switch to battery mode automatically when civil power cut off the power supply, and boosts to pattern output voltage near civil power by cell voltage, provides the voltage to the use of computer and interface equipment thereof.If line voltage is below or above at 15% o'clock of line voltage, also can automatically switch to battery mode, continuation boosts to pattern output voltage near civil power by this cell voltage, providing the voltage to computer and peripheral equipment thereof uses, in order to avoid cross lowly or too high, cause computer and periphery situation about can't use thereof because of line voltage.
Uninterrupted power supply on the market can be divided into two kinds of kenels substantially at present, a kind of kenel is the UPS of low frequency machine, circuit block diagram as Fig. 1, it is that waveform with civil power 60Hz amplifies through electric current, afterwards, directly drive step-up transformer T1, export computer and periphery thereof then to, provide this computer and interface equipment thereof to use.Only, the volume of this step-up transformer is quite big.
Another kind is the UPS of high frequency machine, as the circuit block diagram of Fig. 2, its be cell voltage is utilized high-frequency impulse mode with boost in voltage to about 160V, then, utilize direct current conversion to exchange the mode of (DC TO AC), this high pressure is switched to level off to the interchange ripple of 60Hz of civil power.
Because the UPS of this low frequency machine is to use the step-up transformer structure, therefore, can use transformer to do first section boosts earlier or step-down, be referred to as the function of AVR, and in line voltage is below or above more than 15% to 30%, then can utilize transformer to boost or step-down, line voltage is boosted or step-down 15%, so using the UPS of low frequency machine generally all can be when civil power be below or above in 30%, still keep the voltage that uses civil power, have only when line voltage to be higher or lower than 30% when above, just switch to the pattern of cell voltage.
Only, the UPS that is applied to the high frequency machine does not then have this function, so that when line voltage be higher or lower than civil power 15% the time, promptly switch to the pattern of cell voltage, so, will make in civil power instability or electricity consumption spike period, because of line voltage too high or too low, and switch to the pattern of cell voltage continually, so, will make UPS be in the cell voltage mode of operation, except that making that battery life lowers always, as continue at line voltage too high or too low the time, the cell voltage that makes this UPS is exhausted and cause shutdown, even situation about can't use, cause computer and periphery thereof because of city's voltage deficiency, and UPS battery voltage exhausts, and can't move.
In view of above-mentioned, a purpose of the present utility model provides a UPS that can make the high frequency machine when line voltage is higher or lower than more than 15% in 30%, still has automatically line voltage to be reduced or the arrangement for detecting of enhanced feature.
Another purpose of the present utility model is to provide one (to be higher or lower than more than 30% of civil power) when the mains input voltage is too high or too low, still can produce the alternating voltage as civil power.
For reaching above-mentioned purpose, the utility model adopts following technical proposal:
A kind of arrangement for detecting of automatic adjustment uninterrupted power supply is characterized in that it comprises:
One in order to the boost in voltage of civil power input or the step transformer of step-down;
One crosses first relay of action when low in the mains input voltage, its Chang Kaiduan contact, normal-closed end contact are connected in two inputs of civil power, and the movable end contact is connected in a primary side of step transformer;
Second relay of one too high time action in the mains input voltage, its Chang Kaiduan contact, normal-closed end contact are connected in two inputs of civil power, and the movable end contact is connected in another primary side of step transformer;
One the 3rd relay that under normal condition, moves in the mains input voltage, a Chang Kaiduan contact wherein is connected in another secondary end of step transformer, and another Chang Kaiduan contact is connected in an output of civil power;
One voltage and frequency detecting loop in order to the state of detecting line voltage and frequency thereof, it is connected in civil power;
One microcomputerized control loop, be connected in the output in voltage and frequency detecting loop, the output in microcomputerized control loop is connected in the coil of first, second relay, the 3rd relay, this microcomputerized control loop ties up to voltage and frequency detecting loop when detecting the input voltage of civil power, operating state that can control first, second and third relay, and then reach step-down, boost; Civil power is directly exported or is activated the uninterrupted power supply action;
One rectification charging loop, be connected in civil power, and the rectification charging loop is connected in battery pack, battery pack is connected in the microcomputerized control loop, this rectification charging loop is when having civil power, understand the line voltage rectification, and export the voltage after the rectification to battery pack, the supply battery charge is used and each circuit unit operating voltage; And
Flow to the high direct voltage direct current always and produce the loop, be connected in the output in microcomputerized control loop, the output in dc-dc high voltage direct current generation loop is connected in and flow to AC-AC generation loop always, direct current is to exchanging the normal-closed end contact that the output that produces the loop is connected in the 3rd relay, when this dc-dc high voltage direct current loop is higher or lower than line voltage in the mains input voltage, can be failure to actuate by microcomputerized control circuit controls the 3rd relay, and produce high voltage direct current by it, and produce alternating voltage to exchange to exchange producing the loop as civil power via direct current, through the 3rd relay output voltage.
Described microcomputerized control loop is connected in a display unit.
The movable end contact of described the 3rd relay is connected in one and exchanges output loop and load detecting loop.
Described dc-dc high voltage direct current produces the loop and is connected to form by the generation of dc-dc signal and control loop, driving loop and high voltage direct current commutating circuit.
Described step transformer connects one to suppress the filter from the noise of civil power input.
Advantage of the present utility model: when the UPS that can make the high frequency machine is higher or lower than more than 15% in 30% at line voltage, still have the function that automatically line voltage is reduced or promotes, can not switch to the cell voltage pattern, exhaust many situations that the energy content of battery maybe can't be used.
Describe in detail below in conjunction with drawings and Examples
Fig. 1 is the circuit framework figure of the tradition uninterrupted power supply that is applied to low frequency;
Fig. 2 is the circuit framework figure of the tradition uninterrupted power supply that is applied to high frequency;
Fig. 3 is circuit framework figure of the present utility model;
Fig. 4 is the circuit diagram in the utility model voltage and frequency detecting loop;
Fig. 5 is the circuit diagram in the utility model microcomputerized control loop;
Fig. 6 is the circuit diagram in the utility model rectification charging loop;
Fig. 7 is the circuit diagram that the utility model DC TO DC high voltage direct current produces the loop;
Fig. 8 is that the utility model DC TO AC exchanges generation loop circuit figure;
Fig. 9 is the circuit diagram of the utility model display;
Figure 10 is the circuit diagram that the utility model electromagnetic interface filter, step transformer and relay are formed;
Figure 11 is that illustration is implemented in a start of the present utility model;
Figure 12 is that illustration is implemented in another start of the present utility model;
Figure 13 is that illustration is implemented in the another start of the utility model.
See also Fig. 3, the utility model is a kind of arrangement for detecting of automatic adjustment uninterrupted power supply (ups) Unity, and it includes electromagnetic interface filter 1, step transformer 2, first relay K 1, second relay K 2, the 3rd relay K 3, voltage and frequency detecting loop 3, microcomputerized control loop 4, rectification charging loop 5, battery pack 6, DC TO DC (dc-dc) high voltage direct current and produces loop 7, DC TO AC (direct current is to exchanging) and exchange and produce loop 8, AC (interchanges) output loop and load and detect unit such as loop 7 and display 10; Wherein:
The 3rd relay, one Chang Kaiduan contact b is connected in another secondary end # 3 of step transformer 2, and another Chang Kaiduan contact e is connected in another output L-N of electromagnetic interface filter 1.The 3rd relay K 3 ties up to the mains input voltage and moves under normal condition, and meaning promptly remains on normally opened track circuit state (movable end contact c, f are communicated with Chang Kaiduan contact b, e simultaneously); Otherwise when the mains input voltage is below or above civil power 30% when above, the 3rd relay K 3 promptly is failure to actuate.
Voltage and frequency detecting loop 3, be connected in electromagnetic interface filter 1, this voltage and frequency detecting loop 3 are in order to the state of detecting line voltage and frequency thereof, as Fig. 4, it is by Qiao Shi rectifier D7, amplifier U1A, U1B ... connect to form Deng assembly, wherein civil power detecting system sees through Qiao Shi rectifier D7, resistance R 5, R6, R8 and amplifier U1A and obtains isolation voltage; Mains frequency is then obtained by resistance R 12, R15, diode D9, D10 and amplifier U1B.
DC TO DC high voltage direct current produces loop 7, connect to form by the generation of DC TO DC signal and control loop 71, driving loop 72 and high voltage direct current commutating circuit 73, it is connected in the output in microcomputerized control loop 4, the output that this DC TO DC high voltage direct current produces loop 7 is connected in DC TO AC interchange generation loop 8, this DC TO AC exchanges normal-closed end contact a, the d that the output that produces loop 8 is connected in the 3rd relay K 3, and movable end contact c, the f of the 3rd relay K 3 is connected to AC output loop and load detecting loop 9.DC TO DC high voltage direct current produces loop 7 and is higher or lower than civil power 30% in the mains input voltage when above, can be failure to actuate by microcomputerized control loop 4 controls the 3rd relay K 3, and produce high voltage direct current by it, and exchange the alternating voltage that generation loop 8 produces as civil power, and through the 3rd relay K 3, AC output loop and load detecting loop 9 output voltages through DC TO AC.
See also Fig. 7, DC TO DC high voltage direct current produces loop 7 by PWM (PULSE WIDTHMODULATOR) generator U3, high frequency transformer T4, MOSFET Q6-Q7 ... connect to form Deng assembly, it is to see through high frequency transformer T4 by the PWM generator in (PUSH-PULL) mode of recommending DC12V is boosted to about DC180V about (5,6 coils and 7,8 coils from parallel connection of coils) or 360V (5,6 coils and the series connection of 7,8 coils).
See also Fig. 8, DC TO AC exchanges and produces loop 8 by MOSFET Q17-Q20, transistor Q15, Q21, Q39, Q40 ... connect to form Deng assembly, when microcomputerized control loop 4 is delivered to transistor Q15B pin with the H signal of 60Hz through resistance R 94, make transistor Q15 conducting, and the C pin of transistor Q15 is L, so MOSFET Q18 ends, simultaneously make that also MOSFET Q17B pin is L, and the MOSFETQ17C pin is H, make and MOSFET Q17 conducting cause the HV-DC R111 that arrives output via MOSFET Q17 conducting;
At the same time, when microcomputerized control loop 4 is delivered to transistor Q21B pin with the L signal of PWM through resistance R 103, make transistor Q21 end, and the C pin of transistor Q21 is H, MOSFET Q20G is H, so MOSFET Q20 conducting, so that R110 output head grounding, and form output voltage PP value with the HV-DC of R111 output is 160-180V, simultaneously make that also transistor Q40B pin is H, and transistor Q40C pin is L, so MOSFET Q17 for ending, and makes HV-DC to be exported by MOSFET Q17 conducting;
When next cycle, then PWM and 60Hz signal exchange HL, so output also will change, exchange the purpose of exporting and reach.
See also Figure 11, when mains input voltage during in normal condition, the civil power approach is via the secondary end # 4#3 and 3 actions of the 3rd relay K of electromagnetic interface filter 1, step transformer 2, and by AC output loop and load detecting loop 7 output voltages, at this moment, step transformer 2 does not move because of first, second relay K 1 and K2, makes the primary side # 1#2 short circuit of step transformer 2 to cause the secondary end # 3#4 of step transformer 2 as short circuit civil power directly to be exported.
See also Figure 12, when the mains input voltage cross when low (be lower than civil power more than 15% to 30% in), voltage and frequency detecting loop 3 promptly can detect, and by 1 action of microcomputerized control loop 4 controls first relay K, meaning promptly, the primary side # 2 of step transformer 2 is connected to an input L-L of civil power, primary side # 1 is connected to another input L-N of civil power, make the secondary end # 3#4 of step transformer 2 produce the voltage of 15V, because this voltage and input voltage same-phase, so make output voltage can add the voltage of the 15V of step transformer 2, reach the purpose of booster tension.
See also Figure 13, when the mains input voltage is too high (be higher than civil power more than 15% in 30% the time), voltage and frequency detecting loop 3 promptly can detect, and by 2 actions of microcomputerized control loop 4 controls second relay K, meaning promptly, the primary side # 2 of step transformer 2 is connected to another input L-N of civil power, primary side # 1 is connected to an input L-L of civil power, make the secondary end # 3#4 of step transformer 2 produce the voltage of 15V, because this voltage is opposite with input voltage phase, so make output voltage deduct the voltage of the 15V of step transformer 2, reach the purpose that reduces voltage.
Consult Fig. 3 again, cross when low or too high (be higher than civil power 30% when above) when the mains input voltage, voltage and frequency detecting loop 3 promptly can detect, and are failure to actuate by microcomputerized control loop 4 controls the 3rd relay K 3; At this moment, microcomputerized control loop 4 can be moved in control DC TO DC high voltage direct current loop 7, produces high voltage direct current, and produces loop 8 via DC TO AC interchange, generation is as the alternating voltage of civil power, and via the 3rd relay K 3, AC output loop and load detecting loop 7 output voltages.
Only, the above only is a preferable possible embodiments of the present utility model, and non-so promptly inflexible limit claim of the present utility model is so the equivalent structure that uses the utility model specification and graphic content to do such as changes, all in like manner all be contained in the scope of the present utility model, close and give Chen Ming.
Claims (5)
1. arrangement for detecting of automatically adjusting uninterrupted power supply is characterized in that it comprises:
One in order to the boost in voltage of civil power input or the step transformer of step-down;
One crosses first relay of action when low in the mains input voltage, its Chang Kaiduan contact, normal-closed end contact are connected in two inputs of civil power, and the movable end contact is connected in a primary side of step transformer;
Second relay of one too high time action in the mains input voltage, its Chang Kaiduan contact, normal-closed end contact are connected in two inputs of civil power, and the movable end contact is connected in another primary side of step transformer;
One the 3rd relay that under normal condition, moves in the mains input voltage, wherein a Chang Kaiduan contact is connected in another secondary end of step transformer, and another Chang Kaiduan contact is connected in an output of civil power;
One voltage and frequency detecting loop in order to the state of detecting line voltage and frequency thereof, it is connected in civil power;
One microcomputerized control loop is connected in the output that voltage and frequency are detected the loop, and the output in microcomputerized control loop is connected in the coil of first, second relay, the 3rd relay;
One rectification charging loop is connected in civil power, and the rectification charging loop is connected in battery pack, and battery pack is connected in the microcomputerized control loop; And
Flow to the high direct voltage direct current always and produce the loop, be connected in the output in microcomputerized control loop, the output in dc-dc high voltage direct current generation loop is connected in and flow to AC-AC generation loop always, direct current is to exchanging the normal-closed end contact that the output that produces the loop is connected in the 3rd relay, this dc-dc high voltage direct current loop produces high voltage direct current, produce the alternating voltage of loop generation via direct current to exchanging as civil power, and through the 3rd relay output voltage.
2. the arrangement for detecting of automatic adjustment uninterrupted power supply as claimed in claim 1 is characterized in that described microcomputerized control loop is connected in a display unit.
3. the arrangement for detecting of automatic adjustment uninterrupted power supply as claimed in claim 1 is characterized in that the movable end contact of described the 3rd relay is connected in an interchange output loop and load detecting loop.
4. the arrangement for detecting of automatic adjustment uninterrupted power supply as claimed in claim 1 is characterized in that described dc-dc high voltage direct current produces the loop and connected to form by the generation of dc-dc signal and control loop, driving loop and high voltage direct current commutating circuit.
5. the arrangement for detecting of automatic adjustment uninterrupted power supply as claimed in claim 1 is characterized in that described step transformer connects one to suppress the filter from the noise of civil power input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257777 CN2454974Y (en) | 2000-11-02 | 2000-11-02 | Detection apparatus of aputoamtically regulating non-intermittent power-supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257777 CN2454974Y (en) | 2000-11-02 | 2000-11-02 | Detection apparatus of aputoamtically regulating non-intermittent power-supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2454974Y true CN2454974Y (en) | 2001-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00257777 Expired - Fee Related CN2454974Y (en) | 2000-11-02 | 2000-11-02 | Detection apparatus of aputoamtically regulating non-intermittent power-supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2454974Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426619C (en) * | 2002-10-24 | 2008-10-15 | 环球拓普技术有限公司 | Sine wave generation circuit and uninterruptible power supply system using the same |
| CN102356532A (en) * | 2009-01-27 | 2012-02-15 | 美国能量变换公司 | System and method for limiting losses in an uninterruptible power supply |
| WO2012051945A1 (en) * | 2010-10-22 | 2012-04-26 | 艾默生网络能源有限公司 | Ups electricity supply control circuit and ups electricity supply |
| CN102738814A (en) * | 2011-04-01 | 2012-10-17 | 蔡朝进 | Electric power adjusting apparatus |
| CN103117590A (en) * | 2011-11-17 | 2013-05-22 | 硕天科技股份有限公司 | Uninterruptible power power-supply system provided with simplified voltage detector circuit |
| CN109980458A (en) * | 2019-04-26 | 2019-07-05 | 宁波公牛数码科技有限公司 | A kind of control circuit and transformer outlet |
| CN110422066A (en) * | 2019-08-15 | 2019-11-08 | 中国北方车辆研究所 | A kind of vehicle-mounted charging device |
-
2000
- 2000-11-02 CN CN 00257777 patent/CN2454974Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426619C (en) * | 2002-10-24 | 2008-10-15 | 环球拓普技术有限公司 | Sine wave generation circuit and uninterruptible power supply system using the same |
| CN102356532A (en) * | 2009-01-27 | 2012-02-15 | 美国能量变换公司 | System and method for limiting losses in an uninterruptible power supply |
| WO2012051945A1 (en) * | 2010-10-22 | 2012-04-26 | 艾默生网络能源有限公司 | Ups electricity supply control circuit and ups electricity supply |
| US9570930B2 (en) | 2010-10-22 | 2017-02-14 | Emerson Netwrok Power Co., Ltd. | UPS electricity supply control circuit and UPS electricity supply |
| CN102738814A (en) * | 2011-04-01 | 2012-10-17 | 蔡朝进 | Electric power adjusting apparatus |
| CN103117590A (en) * | 2011-11-17 | 2013-05-22 | 硕天科技股份有限公司 | Uninterruptible power power-supply system provided with simplified voltage detector circuit |
| CN103117590B (en) * | 2011-11-17 | 2014-09-17 | 硕天科技股份有限公司 | Uninterruptible power power-supply system provided with simplified voltage detector circuit |
| CN109980458A (en) * | 2019-04-26 | 2019-07-05 | 宁波公牛数码科技有限公司 | A kind of control circuit and transformer outlet |
| CN109980458B (en) * | 2019-04-26 | 2024-02-20 | 宁波公牛数码科技有限公司 | Control circuit and transformer socket |
| CN110422066A (en) * | 2019-08-15 | 2019-11-08 | 中国北方车辆研究所 | A kind of vehicle-mounted charging device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |