CN109193921A - A kind of cold start-up circuit and device for UPS host - Google Patents
A kind of cold start-up circuit and device for UPS host Download PDFInfo
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- CN109193921A CN109193921A CN201811133389.1A CN201811133389A CN109193921A CN 109193921 A CN109193921 A CN 109193921A CN 201811133389 A CN201811133389 A CN 201811133389A CN 109193921 A CN109193921 A CN 109193921A
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- 239000003990 capacitor Substances 0.000 claims description 39
- 238000012544 monitoring process Methods 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
本发明属于电子电路技术领域，提供了一种用于UPS主机的冷启动电路及装置，UPS主机包括多个功率模块，多个功率模块均与电池组相连接，在无市电输入时，冷启动开关模块对隔离变换模块进行导通，以使隔离变换模块对电池组输出的电压信号进行隔离变换后，驱动电池组对多个功率模块进行供电，同时监控模块对隔离变换后的电压信号进行监控。由此在无市电输入时，只需要通过冷启动开关模块即可实现UPS主机的多个功率模块的冷启动，其无需额外安装电路板，避免造成器件浪费的现象，起到了成本较低、控制简单高效的效果，解决了现有的冷启动技术存在着需要外加冷启动板，并且当冷启动板上的通路数大于功率模块数时，则造成部分电路闲置的问题。
The invention belongs to the technical field of electronic circuits, and provides a cold start circuit and device for a UPS host. The UPS host includes a plurality of power modules, and the plurality of power modules are all connected with a battery pack. Start the switch module to conduct the isolation transformation module, so that after the isolation transformation module isolates and transforms the voltage signal output by the battery pack, drives the battery pack to supply power to multiple power modules, while the monitoring module performs isolation and transformation on the voltage signal. monitor. Therefore, when there is no mains input, the cold start of multiple power modules of the UPS host can be realized only by the cold start switch module, which does not need to install additional circuit boards, avoids the phenomenon of waste of components, and plays a role in lower cost, The effect of simple and efficient control solves the problem that the existing cold start technology needs to add a cold start board, and when the number of channels on the cold start board is greater than the number of power modules, some circuits will be idle.
Description
Technical field
The invention belongs to electronic circuit technology field more particularly to a kind of cold start-up circuits and device for UPS host.
Background technique
Existing module machine is cold-started circuit, it usually needs outer plus one block of cold start-up plate in cabinet will be cold-started electricity
Road is integrated on cold start-up plate, higher cost, and cabling is complex when complete machine installation；Also, cabinet fills how many a power
Module, cold start-up plate just need how many road cold start-up accesses accordingly, if number of vias is greater than number of modules, it will cause partial circuits
It is idle, lead to wasting phenomenon.
Therefore, there is the additional cold start-up plates of needs for existing cold start-up technology, and when the number of vias on cold start-up plate
When greater than power module number, then the problem that partial circuit is idle is caused.
Summary of the invention
The purpose of the present invention is to provide a kind of cold start-up circuits and device for UPS host, it is intended to solve existing
There is the additional cold start-up plates of needs for cold start-up technology, and when the number of vias being cold-started on plate is greater than power module number, then
The problem for causing partial circuit idle.
First aspect present invention provides a kind of cold start-up circuit for UPS host, and the UPS host includes multiple function
Rate module, multiple power modules are connected with battery pack, and the cold start-up circuit includes:
It is connected with the battery pack and multiple power modules, the voltage signal for being exported to the battery pack
After carrying out isolated variable, the isolated variable module that drives the battery pack to be powered multiple power modules；
It is connected with the isolated variable module, the monitoring for being monitored to the voltage signal after isolated variable
Module；And
It is connected with the isolated variable module, when for the input of no alternating current, the isolated variable module is connected
Cold starting switch module.
Second aspect of the present invention provides a kind of cold-starting device for UPS host, including battery pack, the UPS master
Machine includes multiple power modules, and multiple power modules are connected with the battery pack, and the cold-starting device further includes
Cold start-up circuit as described above.
A kind of cold start-up circuit and device for UPS host provided by the invention, UPS host include multiple power moulds
Block, multiple power modules are connected with battery pack, when no alternating current inputs, cold starting switch module to isolated variable module into
Row conducting, so as to drive battery pack to multiple after isolated variable module carries out isolated variable to the voltage signal that battery pack exports
Power module is powered, while monitoring module is monitored the voltage signal after isolated variable.Thus it is inputted in no alternating current
When, it is only necessary to the cold start-up of multiple power modules of UPS host can be realized by cold starting switch module, without additional peace
Device, circuit board avoids the phenomenon that device wastes, and plays the effect that cost is relatively low, control is simple and efficient, solves existing
Cold start-up technology there is needing additional cold start-up plate, and when the number of vias being cold-started on plate is greater than power module number,
The problem for then causing partial circuit idle.
Detailed description of the invention
Fig. 1 is a kind of modular structure schematic diagram of cold start-up circuit for UPS host provided in an embodiment of the present invention.
Fig. 2 is a kind of exemplary circuit figure of cold start-up circuit for UPS host provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of above-mentioned cold start-up circuit and device for UPS host, UPS host includes multiple power modules, multiple
Power module is connected with battery pack, and when no alternating current inputs, isolated variable module is connected in cold starting switch module,
So as to drive battery pack to multiple power modules after isolated variable module carries out isolated variable to the voltage signal that battery pack exports
It is powered, while monitoring module is monitored the voltage signal after isolated variable.
Fig. 1 shows a kind of modular structure of cold start-up circuit for UPS host provided in an embodiment of the present invention, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
A kind of above-mentioned cold start-up circuit 10 for UPS host, the UPS host include multiple power modules 30, Duo Gegong
Rate module 30 is connected with battery pack 20, the cold start-up circuit 10 include isolated variable module 101, monitoring module 102 and
Cold starting switch module 103.
Isolated variable module 101 is connected with battery pack 20 and multiple power modules 30, for exporting to battery pack 20
Voltage signal carry out isolated variable after, driving battery pack 20 multiple power modules 30 are powered.
Monitoring module 102 is connected with isolated variable module 101, for carrying out to the voltage signal after isolated variable
Monitoring.
Cold starting switch module 103 is connected with isolated variable module 101, when for the input of no alternating current, makes isolated variable
Module 101 is connected.
As an embodiment of the present invention, monitoring module 102 is set in above-mentioned cold start-up circuit 10, is to guarantee to be isolated
Transformed voltage signal is no more than preset threshold, and isolated variable module 101 is controlled by cold starting switch module, is only existed
When no alternating current inputs, cold starting switch module 103 is just in the conductive state, so that isolated variable module 101 works.
As an embodiment of the present invention, above-mentioned cold start-up circuit 10 further includes power management module 104 and control module
105.Wherein, power management module 104 is connected with monitoring module 102, for being powered to monitoring module 102；Control mould
Block 105 is connected with power management module 104, the signal for being fed back according to bypass 106, control power management module 104 into
Row work.
Specifically, bypass 106 connects bypass input, and is exported, and bypass 106 is different from major loop, refers to because function needs
When wanting, it can be switched on another circuit and be not to influence the normal operation of integrated circuit.
As an embodiment of the present invention, which realizes the multiple power modules 30 of UPS host in no alternating current
The function of starting when input from battery pack 20 does not have to additional mounting circuit boards, and not will cause device waste.Cold start-up electricity
Road 10 only needs to can be realized the cold start-up of multiple power modules 30 by cold starting switch module 103, and cost is relatively low, and controls
System is simple and efficient.
Fig. 2 shows it is provided in an embodiment of the present invention it is a kind of for UPS host cold start-up circuit exemplary circuit, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
As an embodiment of the present invention, above-mentioned isolated variable module 101 include first diode D1, the second diode D2,
Third diode D3, the first isolating transformer T1, first capacitor C1, the second capacitor C2, third capacitor C3, the first zener diode
ZD1, first switch tube Q1, first resistor R1, second resistance R2,3rd resistor R3, the first pulse control chip U1 and first
Voltage feedback network.
The anode of first diode D1 connects the anode of battery pack 20, and the of the cathode of first diode D1, first resistor R1
One end, the first end of third capacitor C3, the first end of second resistance R2 and the first isolating transformer T1 primary coil it is defeated
Enter end to connect altogether, the second end of first capacitor C1, the anode of the first zener diode ZD1, the first end of the second capacitor C2, the first arteries and veins
The first output end, the first end of 3rd resistor R3 and the first input end of first voltage feedback network of punching control chip U1 connects
The of the cathode of battery pack 20, the cathode of the second end of first resistor R1 and the first zener diode ZD1 and the second capacitor C2
Two ends connect altogether, and the second end of third capacitor C3 and the cathode of the second end of second resistance R2 and the second diode D2 connect altogether, the
The output end of the primary coil of the anode of two diode D2 and the first isolating transformer T1 and the output end of first switch tube Q1
It connects altogether, the second output terminal of the first pulse control chip U1 connects the second input terminal of first voltage feedback network, the first pulse control
The third output end of coremaking piece U1 and the second end of the input terminal of first switch tube Q1 and 3rd resistor R3 connect altogether, the first pulse
Control the controlled end of the control termination first switch tube Q1 of chip U1, the input termination of the secondary coil of the first isolating transformer T1
The anode of third diode D3, the cathode of third diode D3 connect monitoring module 102, the secondary coil of the first isolating transformer T1
Output termination first voltage feedback network output end.
As an embodiment of the present invention, above-mentioned monitoring module 102 includes the 4th resistance R4, the 5th resistance R5, the 6th resistance
R6, the 4th capacitor C4, the 5th capacitor C5, the 7th capacitor C7, the 8th capacitor C8, the 8th diode D8, the 9th diode D9, the tenth
Two diode D12, the 13rd diode D13, the second isolating transformer T2, second switch Q2, the second pulse control chip U2
And second voltage feedback network.
The first end of 5th capacitor C5, the first end of the 6th resistance R6, the first end of the 4th capacitor C4, the 4th resistance R4
The input terminal of the first primary coil of first end and the second isolating transformer T2 connects altogether, the second end and second of the 5th capacitor C5
The first output end of pulse control chip U2, the first end of the 5th resistance R5, the second isolating transformer T2 the second primary coil
Output end and the first input end of second voltage feedback network connect altogether, the second end of the 4th capacitor C4 and the 4th resistance R4's
The cathode of second end and the 8th diode D8 connect altogether, the anode of the 8th diode D8 and the output end of second switch Q2 and
The output end of the first primary coil of second isolating transformer T2 connects altogether, the second end of the 6th resistance R6 and the second pulse control core
The cathode of the input terminal of piece U2 and the 9th diode D9 connect altogether, and the anode of the 9th diode D9 connects the second isolating transformer T2's
It is second defeated to connect second voltage feedback network for the input terminal of second primary coil, the second output terminal of the second pulse control chip U2
Enter the second of end, the third output end of the second pulse control chip U2 and the input terminal of second switch Q2 and the 5th resistance R5
End connects altogether, the controlled end of the control termination second switch Q2 of the second pulse control chip U2, time of the second isolating transformer T2
The anode of the 12nd diode D12 of input termination of grade coil, the cathode of the 12nd diode D12 connect the first of the 7th capacitor C7
End, the first end of the second the 8th capacitor C8 of termination of the 7th capacitor C7, the second the 13rd diode D13 of termination of the 8th capacitor C8
Anode, the cathode of the 13rd diode D13 connects the output end of the secondary coil of the second isolating transformer T2.
As an embodiment of the present invention, above-mentioned cold starting switch module 103 includes button switch, on-off switch and relay
Any one in device is indicated using cold start-up button switch K in Fig. 2.Certainly, above-mentioned button switch, on-off switch and
Relay, which can be, artificially to be controlled, and is also possible to without artificial intervention, intelligence realizes what the mode of control was acted.
As an embodiment of the present invention, above-mentioned power management module 104 is realized using power management chip.
As an embodiment of the present invention, above-mentioned control module 105 includes that (Fig. 2 uses DSP table to Digital Signal Processing control panel
Show).
The present invention also provides a kind of cold-starting device for UPS host, including battery pack, the UPS host includes
Multiple power modules, multiple power modules are connected with the battery pack, which further includes such as above-mentioned institute
The cold start-up circuit stated.
Below in conjunction with Fig. 1 and Fig. 2, to a kind of above-mentioned working principle of cold start-up circuit and device for UPS host into
Row is described as follows:
The input of first isolating transformer T1 terminates to the positive and negative anodes of battery pack 20, after pressing cold start-up button switch K, electricity
The straight of 200V is exported after the first switch tube Q1 copped wave that the voltage signal that pond group 20 exports is controlled through the first pulse control chip U1
Galvanic electricity pressure, the DC voltage through first voltage feedback network processing after send to the first pulse control chip U1, as isolation become
101 output voltage feedback signal of block is changed the mold, to keep the voltage of the first isolating transformer T1 output to be not higher than 200V.First isolation
The voltage of transformer T1 output is after third diode D3, on the one hand, voltage is supplied to monitoring module 102 and is powered, mould is monitored
Block 102 includes the second isolating transformer T2, second switch Q2, the second pulse control chip U2 and second voltage feedback network etc.
Major part composition, the output of the second isolating transformer T2 are multi-channel DC voltage, are the differences such as 102 inside DSP of monitoring module
Device power supply, monitoring module 102 are started to work after powering on；On the other hand, the 200V direct current of the first isolating transformer T1 output
Pressure is supplied to multiple power modules 30 using the 4th diode D4 after third diode D3, which inputs multiple function
Power module isolated power supply is conveyed to after rate module 30, power module isolated power supply includes isolating transformer Tm1, switching tube
The major parts such as Qm1, pwm chip Um1 and voltage feedback network composition, the output of isolated converter are multi-channel DC electricity
Pressure is that the power supply of the different components such as DSP, multiple power modules 30 are started to work after powering on inside power module.
Specifically, isolated variable module 101 is opened by cold start-up button switch K, monitoring module 102 and power module isolation
Power supply automatically turns on after their input voltage reaches certain value, after each modular system power supply (± 15V) powers on, DSP according to
Preset program is started to work, and the DC signal of output is converted into ac signal output, is so realized without alternating current item
Battery pack 20 opens UPS host under part, and does not influence the function that city electrically activates.
To sum up, a kind of cold start-up circuit and device for UPS host provided in an embodiment of the present invention, UPS host include
Multiple power modules, multiple power modules are connected with battery pack, and when no alternating current inputs, cold starting switch module is to isolation
Conversion module is connected, so that after isolated variable module carries out isolated variable to the voltage signal that battery pack exports, driving electricity
Pond group is powered multiple power modules, while monitoring module is monitored the voltage signal after isolated variable.Thus exist
When no alternating current inputs, it is only necessary to the cold start-up of multiple power modules of UPS host can be realized by cold starting switch module,
Without additional mounting circuit boards, the phenomenon that device wastes is avoided, plays the effect that cost is relatively low, control is simple and efficient,
Solving existing cold start-up technology, there is the additional cold start-up plates of needs, and when the number of vias on cold start-up plate is greater than power
When number of modules, then the problem that partial circuit is idle is caused.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of cold start-up circuit for UPS host, the UPS host include multiple power modules, multiple power moulds
Block is connected with battery pack, which is characterized in that the cold start-up circuit includes:
It is connected with the battery pack and multiple power modules, the voltage signal for exporting to the battery pack carries out
After isolated variable, the isolated variable module that drives the battery pack to be powered multiple power modules；
It is connected with the isolated variable module, the monitoring mould for being monitored to the voltage signal after isolated variable
Block；And
It is connected with the isolated variable module, when for the input of no alternating current, the isolated variable module is connected cold
Start switch module.
2. cold start-up circuit as described in claim 1, which is characterized in that the cold start-up circuit further include:
It is connected with the monitoring module, the power management module for being powered to the monitoring module；With
It is connected with the power management module, for the signal according to bypass feedback, controls the power management module and carry out
The control module of work.
3. cold start-up circuit as described in claim 1, which is characterized in that the isolated variable module includes:
First diode, the second diode, third diode, the first isolating transformer, first capacitor, the second capacitor, third electricity
Appearance, the first zener diode, first switch tube, first resistor, second resistance, 3rd resistor, the first pulse control chip and
First voltage feedback network；
The anode of the first diode connects the anode of the battery pack, the cathode of the first diode, the first resistor
First end, the first end of the third capacitor, the first end of the second resistance and first isolating transformer just
The input terminal of grade coil connects altogether, the second end of the first capacitor, the anode of first zener diode, second capacitor
First end, the first output end of the first pulse control chip, the first end of the 3rd resistor and it is described first electricity
The first input end of pressure feedback network connects the cathode of the battery pack, the second end of the first resistor and first pressure stabilizing two
The second end of the cathode of pole pipe and second capacitor connects altogether, and the of the second end of the third capacitor and the second resistance
The cathode of two ends and second diode connects altogether, the anode of second diode and first isolating transformer just
The output end of grade coil and the output end of the first switch tube connect altogether, the second output terminal of the first pulse control chip
Connect the second input terminal of the first voltage feedback network, the third output end of the first pulse control chip and described first
The second end of the input terminal of switching tube and the 3rd resistor connects altogether, described in the control termination of the first pulse control chip
The controlled end of first switch tube, the input of the secondary coil of first isolating transformer terminate the sun of the third diode
Pole, the cathode of the third diode connect the monitoring module, the output termination of the secondary coil of first isolating transformer
The output end of the first voltage feedback network.
4. cold start-up circuit as described in claim 1, which is characterized in that the monitoring module includes:
4th resistance, the 5th resistance, the 6th resistance, the 4th capacitor, the 5th capacitor, the 7th capacitor, the 8th capacitor, the eight or two pole
Pipe, the 9th diode, the 12nd diode, the 13rd diode, the second isolating transformer, second switch, the second pulse control
Coremaking piece and second voltage feedback network；
The first end of 5th capacitor, the first end of the 6th resistance, the first end of the 4th capacitor, the 4th electricity
The input terminal of first primary coil of the first end of resistance and second isolating transformer connects altogether, and the second of the 5th capacitor
End and the first output end of the second pulse control chip, the first end of the 5th resistance, second isolating transformer
The output end of the second primary coil and the first input end of the second voltage feedback network connect altogether, the 4th capacitor
Second end connects altogether with the second end of the 4th resistance and the cathode of the 8th diode, the anode of the 8th diode
It is connect altogether with the output end of the first primary coil of the output end and second isolating transformer of the second switch, it is described
The second end of 6th resistance connects altogether with the input terminal of the second pulse control chip and the cathode of the 9th diode, institute
State the 9th diode anode connect second isolating transformer the second primary coil input terminal, second pulse control
The second output terminal of chip connects the second input terminal of the second voltage feedback network, the third of the second pulse control chip
Output end connects altogether with the input terminal of the second switch and the second end of the 5th resistance, the second pulse control core
The control of piece terminates the controlled end of the second switch, described in the input termination of the secondary coil of second isolating transformer
The anode of 12nd diode, the cathode of the 12nd diode connect the first end of the 7th capacitor, the 7th capacitor
The second termination the 8th capacitor first end, the anode of the second termination the 13rd diode of the 8th capacitor,
The cathode of 13rd diode connects the output end of the secondary coil of second isolating transformer.
5. as described in claim 1 cold start-up circuit, which is characterized in that the cold starting switch module include button switch,
Any one in on-off switch and relay.
6. cold start-up circuit as claimed in claim 2, which is characterized in that the power management module uses power management chip
It realizes.
7. cold start-up circuit as claimed in claim 2, which is characterized in that the control module includes Digital Signal Processing control
Plate.
8. a kind of cold-starting device for UPS host, including battery pack, the UPS host includes multiple power modules, multiple
The power module is connected with the battery pack, which is characterized in that the cold-starting device further includes such as claim 1-7
Described in any item cold start-up circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133389.1A CN109193921A (en) | 2018-09-27 | 2018-09-27 | A kind of cold start-up circuit and device for UPS host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133389.1A CN109193921A (en) | 2018-09-27 | 2018-09-27 | A kind of cold start-up circuit and device for UPS host |
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| Publication Number | Publication Date |
|---|---|
| CN109193921A true CN109193921A (en) | 2019-01-11 |
Family
ID=64906462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811133389.1A Pending CN109193921A (en) | 2018-09-27 | 2018-09-27 | A kind of cold start-up circuit and device for UPS host |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109193921A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112701752A (en) * | 2020-12-22 | 2021-04-23 | 科华恒盛股份有限公司 | UPS battery protection circuit and UPS |
| CN113708480A (en) * | 2021-09-14 | 2021-11-26 | 易事特集团股份有限公司 | double-BOOST cold start circuit and cold start circuit system |
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| CN208908378U (en) * | 2018-09-27 | 2019-05-28 | 深圳市英威腾电源有限公司 | A kind of cold start-up circuit and device for UPS host |
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| US20050162019A1 (en) * | 2004-01-23 | 2005-07-28 | Masciarelli Francis J. | Methods and apparatus for providing uninterruptible power |
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| CN112701752A (en) * | 2020-12-22 | 2021-04-23 | 科华恒盛股份有限公司 | UPS battery protection circuit and UPS |
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| CN113708480A (en) * | 2021-09-14 | 2021-11-26 | 易事特集团股份有限公司 | double-BOOST cold start circuit and cold start circuit system |
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Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |