CN206524681U - Emergency power supply - Google Patents
Emergency power supply Download PDFInfo
- Publication number
- CN206524681U CN206524681U CN201720229950.0U CN201720229950U CN206524681U CN 206524681 U CN206524681 U CN 206524681U CN 201720229950 U CN201720229950 U CN 201720229950U CN 206524681 U CN206524681 U CN 206524681U
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- CN
- China
- Prior art keywords
- power supply
- inverter
- emergency power
- batteries
- switching switch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of emergency power supply control system, including：Exchange input, charhing unit, batteries, inverter, isolating transformer, switching switch, load；The exchange input connection charhing unit, and pass through the switching switch connection load；The charhing unit connects batteries；The batteries connect the input of the inverter；The output end of the inverter passes through the switching switch connection load；The primary of the isolating transformer connects the output end of the inverter, the secondary connection switching switch of the isolating transformer；The switching switch is used to select the exchange input and the inverter；The exchange input gives the battery charging while powering load by the charhing unit.The technical scheme that the utility model is provided can effectively reduce the volume and weight of emergency power supply.
Description
Technical field
The utility model belongs to transmission ＆ distribution electrical domain, more particularly to a kind of emergency power supply.
Background technology
It is standby in order to ensure electric power safety when Alternating Current Power Supply is powered off in architectural electricity field and other emergency service occasions
Very important effect is played with power supply., need to be using many members but the existing usual circuit structure of stand-by power supply is relative complex
Device and modularized circuit；And in existing stand-by power supply structure, it usually needs an external isolating transformer meets one
Change the requirement of Power Management Design, the above causes the volume and weight of stand-by power supply larger.
Utility model content
The utility model aims to provide a kind of emergency power supply, can effectively reduce the volume and weight of emergency power supply.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of emergency power supply, including：Exchange input, charhing unit, batteries, inverter, isolating transformer, switching is opened
Close, load；The exchange input connection charhing unit, and pass through the switching switch connection load；The charhing unit
Connect batteries；The batteries connect the input of the inverter；The output end of the inverter is cut by described
Change switch connection load；The primary of the isolating transformer connects the output end of the inverter, time of the isolating transformer
The level connection switching switch；The switching switch is used to select the exchange input and the inverter；It is described to hand over
Stream input gives the battery charging while powering load by the charhing unit.
Further, the exchange input is civil power or standby electricity.
Further, the emergency power supply also includes：Double-power supply switching device, for the civil power and standby electricity progress
Selection；The civil power and it is standby it is electrically in parallel after, connected with the double-power supply switching device.
Further, the emergency power supply also includes：Battery inspection device, the battery inspection device connects battery
Group, the working condition to the batteries is monitored.
Further, the emergency power supply also includes：Current transformer, the current transformer one end connection described in cut
Switch is changed, the other end connects the load.
Further, the emergency power supply also includes：Lightning protection device, one end ground connection of the lightning protection device, the other end leads to
Cross the switch connection charhing unit.
Further, also include in the batteries：Discharge loop, the output cathode connection of the discharge loop is described
The positive pole of batteries, the output negative pole of the discharge loop connects the negative pole of the batteries.
Further, the load is lighting circuit.
The emergency power supply that the utility model is provided, exchange input is also given while powering load by charhing unit
Battery charging so that inverter can provide required alternating current at any time；When exchange input power-off, cut by switching switch
Inverter power supply is changed to, the normal operation of power system is ensured.Whole circuit structure is simple, it is not necessary to using complicated component
Or modularized circuit, so as to efficiently reduce the volume and weight of emergency power supply.The access of isolating transformer, is effectively prevented
Electromagnetic interference.
Brief description of the drawings
Fig. 1 is the structured flowchart of the utility model emergency power supply；
Fig. 2 is the circuit theory diagrams of the utility model emergency power supply.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.
Fig. 1 is the structured flowchart of emergency power supply provided by the utility model.The emergency power supply includes：Exchange input, fills
Electric unit, batteries, inverter, isolating transformer, switching switch, load；The exchange input connection charhing unit,
And pass through the switching switch connection load；The charhing unit connects batteries；The batteries connect the inversion
The input of device；The output end of the inverter passes through the switching switch connection load；The first cascade of the isolating transformer
Connect the output end of the inverter, the secondary connection switching switch of the isolating transformer；It is described switching switch be used for pair
The exchange input and the inverter are selected；The exchange input is single by the charging while powering load
Member gives the battery charging.The load is lighting circuit.
The exchange input is civil power or standby electricity, the circuit theory diagrams of emergency power supply as shown in Figure 2, civil power and standby
Electricity is expressed as 1# alternating currents and 2# alternating currents.Civil power and it is standby it is electrically in parallel after, connected with double-power supply switching device, the device
For selecting the civil power and standby electricity.It can be selected by the way of manual switching double-power supply switching device,
It can also be automatically selected using controller.
In the present embodiment, when load is by exchange input power supply, exchange input is powered to charhing unit simultaneously, then is charged single
Member can be when inverter work to battery charging, it is ensured that when the switching switch is switched to inverter, inverter energy
Normal power supply.(when civil power and standby electricity are powered off), inversion can be switched to by switching switch when exchange input power-off
Device is powered；Exchange input power supply is switched to when exchange input is normal, then by switching switch.It is above-mentioned for exchange input and inverse
Become the selection of device, can adopt manually, it would however also be possible to employ the mode that controller is automatically selected is carried out.
Emergency power supply in the present embodiment can also include battery inspection device, and the battery inspection device connection is described to be stored
Battery pack, the working condition to the batteries is monitored.For example, can be carried out to the operating ambient temperature of battery real
When sample, the power supply performance of each batteries can also be detected, in time find performance degradation fail battery, grasp battery pack fortune
Row state, it is ensured that batteries normal reliable, trouble-freely run.Discharged back in addition, one can also be set in batteries
Road, the output cathode of the discharge loop connects the positive pole of the batteries, and the output negative pole connection of the discharge loop is described
The negative pole of batteries, so that the work of batteries is more safe and reliable.
Emergency power supply in the present embodiment can also include isolating transformer, and the primary connection of the isolating transformer is described
The output end of inverter, the secondary connection switching switch of the isolating transformer.Isolating transformer is by the inverter of front end
Load with rear end carries out electromagnetic isolation, effectively prevent electromagnetic interference.
Emergency power supply in the present embodiment can also include current transformer, and one end connection of the current transformer is described
Switching switch, the other end connects the load.Current transformer plays a part of changing electric current and electrical isolation, and it is by high current
Low current is converted into proportion, and the standard low current obtained is measured.The access of current transformer causes for load
The measurement of input electric current is more convenient and safe reliable.
Emergency power supply in the present embodiment can also include lightning protection device, and one end of the lightning protection device is grounded, the other end
The charhing unit is connected by switching.
The emergency power supply that the utility model is provided, exchange input is also given while powering load by charhing unit
Battery charging so that inverter can provide required alternating current at any time；When exchange input power-off, cut by switching switch
Inverter power supply is changed to, the normal operation of power system is ensured.Whole circuit structure is simple, it is not necessary to using complicated component
Or modularized circuit, so as to efficiently reduce the volume and weight of emergency power supply.The setting of isolating transformer, can also be effectively
Ground prevents electromagnetic interference.
Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model
In the case of, those skilled in the art can make various corresponding changes and deformation, but these phases according to the utility model
The change and deformation answered should all belong to the scope of the claims appended by the utility model.
Claims (8)
1. a kind of emergency power supply, it is characterised in that including：
Exchange input, charhing unit, batteries, inverter, isolating transformer, switching switch, load；The exchange input connects
The charhing unit is connect, and passes through the switching switch connection load；The charhing unit connects batteries；The battery
The input of the group connection inverter；The output end of the inverter passes through the switching switch connection load；The isolation
The primary of transformer connects the output end of the inverter, the secondary connection switching switch of the isolating transformer；It is described
Switching switch is used to select the exchange input and the inverter；The exchange input is while powering load
The battery charging is given by the charhing unit.
2. emergency power supply according to claim 1, it is characterised in that the exchange input is civil power or standby electricity.
3. emergency power supply according to claim 2, it is characterised in that also include：Double-power supply switching device, for described
Civil power and standby electricity are selected；The civil power and it is standby it is electrically in parallel after, connected with the double-power supply switching device.
4. emergency power supply according to claim 1, it is characterised in that also include：Battery inspection device, the battery inspection
Device connects the batteries, and the working condition to the batteries is monitored.
5. emergency power supply according to claim 1, it is characterised in that also include：Current transformer, the current transformer
One end connection switching switch, the other end connects the load.
6. emergency power supply according to claim 1, it is characterised in that also include：Lightning protection device, the one of the lightning protection device
End ground connection, the other end connects the charhing unit by switching.
7. emergency power supply according to claim 1, it is characterised in that also include in the batteries：Discharge loop, institute
The output cathode for stating discharge loop connects the positive pole of the batteries, and the output negative pole of the discharge loop connects the electric power storage
The negative pole of pond group.
8. emergency power supply according to claim 1, it is characterised in that the load is lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229950.0U CN206524681U (en) | 2017-03-09 | 2017-03-09 | Emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229950.0U CN206524681U (en) | 2017-03-09 | 2017-03-09 | Emergency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524681U true CN206524681U (en) | 2017-09-26 |
Family
ID=59902779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720229950.0U Active CN206524681U (en) | 2017-03-09 | 2017-03-09 | Emergency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206524681U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309405A (en) * | 2018-11-29 | 2019-02-05 | 北京国电龙源环保工程有限公司 | Complete high-voltage energy storage power supply unit |
| CN111211492A (en) * | 2020-01-10 | 2020-05-29 | 国网浙江台州市椒江区供电有限公司 | Uninterrupted power source comprehensive power distribution equipment with expandable capacity |
| CN111775979A (en) * | 2020-07-20 | 2020-10-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Continuous cycle charge-discharge locomotive power supply |
-
2017
- 2017-03-09 CN CN201720229950.0U patent/CN206524681U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309405A (en) * | 2018-11-29 | 2019-02-05 | 北京国电龙源环保工程有限公司 | Complete high-voltage energy storage power supply unit |
| CN111211492A (en) * | 2020-01-10 | 2020-05-29 | 国网浙江台州市椒江区供电有限公司 | Uninterrupted power source comprehensive power distribution equipment with expandable capacity |
| CN111775979A (en) * | 2020-07-20 | 2020-10-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Continuous cycle charge-discharge locomotive power supply |
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