CN109245286A - A kind of transformerless emergency power supply - Google Patents
A kind of transformerless emergency power supply Download PDFInfo
- Publication number
- CN109245286A CN109245286A CN201811261610.1A CN201811261610A CN109245286A CN 109245286 A CN109245286 A CN 109245286A CN 201811261610 A CN201811261610 A CN 201811261610A CN 109245286 A CN109245286 A CN 109245286A
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- CN
- China
- Prior art keywords
- power supply
- charger
- transformerless
- inverter
- emergency power
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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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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)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention provides a kind of transformerless emergency power supply, including energy storage battery group, charger, inverter and control panel, mains source outside the input terminal connection of the charger, charger and energy storage battery group connection, inverter and energy storage battery group connection, for the control panel respectively with energy storage battery group, charger and inverter data connection, the output end of inverter accesses mains source.The present invention is a kind of high-power EPS emergency power supply, and double chargers, double cell, transless are light-weight so small in size, at low cost.
Description
Technical field
The invention belongs to power technique fields, more particularly, to a kind of transformerless emergency power supply.
Background technique
EPS emergency power supply has been widely used in architectural electricity field and special emergency service occasion.With social development,
Information-based, modernization, more depends on electric power.Unexpected power-off will necessarily give the normal orders of life of people and learning tape
It influences, especially for especially important load in production, life, once interruption of power supply, it will cause great economic damage
It loses.However, power failure has sudden, and it is not transfer with the will of people, it is unexpected to power off even if electrical network facilities are advanced again
Also it can hardly be avoided.Currently, grid-connected power supply is usually used in the Security Countermeasures of power supply system, provided reliably for urban electric power
Power protection.It is only also far from enough by utility network, it is necessary to have but from the point of view of enterprise and industry, civil buildings service condition
Standby emergency power supply system (EPS), importance is to ensure to provide required emergency electric power in the case where accident occurs, with effective
Reduce because power-off and caused by lose, for people production and living safety provide safeguard.Therefore, EPS is also referred to as " city life
The important component of life linear system system ".
UPS uninterruptible power supply, that is, uninterruptible power supply.It is mainly used for single computer, computer network system or other electricity
Power electronic equipment provides stable, continual power supply.EPS power supply is widely used in energy conservation power supply, building illumination, road friendship
Logical illumination, tunnel illumination, electric power, industrial and mining enterprises, Fire lift etc..
EPS power inverter amount of redundancy is big, and all inside EPS, motor load has variable frequency starting for incoming line cabinet and outgoing line cabinet.Machine
Shell and conducting wire have flame-retarding means, have multipath to throw function, can be with fire-fighting link.The inverter redundancy of ups power is comparatively smaller,
It is unrelated with fire-fighting, without fire-retardant, the mutual throwing function of nothing.EPS power source loads be usually perception and it is resistive, can translator, illumination,
The equipment such as blower, water pump are the dedicated emergency fire-fighting mains lighting supplies for concentrating emergency service for fire product of meeting an urgent need.Ups power is negative
Load belongs to capacitive load, and master tape equipment is usually computer, is mainly used for large-scale computer room, it is ensured that uninterrupted power supply and pressure stabilizing.
EPS power supply and ups power have the shortcomings that respective, and switching time is short, amount of redundancy is big, the duration short becomes EPS power source development
The bottleneck further developed.
Summary of the invention
In view of this, the invention is directed to a kind of transformerless emergency for replacing lead-acid battery using lithium battery
Power supply, overcomes that switching time in the prior art is short, and amount of redundancy is big, and volume is big, weight weight, duration short disadvantage.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of transformerless emergency power supply, including energy storage battery group, charger, inverter and control panel, the charging
Mains source outside the input terminal connection of device, charger and energy storage battery group connection, inverter and energy storage battery group
Connection, respectively with energy storage battery group, charger and inverter data connection, the output end of inverter accesses the control panel
Mains source.
Further, the energy storage battery group is the potassium manganate lithium series lithium ion battery high using energy density, the electricity
Pond group includes several single batteries, monomer battery voltage 3.7V, battery capacity 10AH.
Further, it is additionally provided with BMS battery management system in the battery group, passes through CAN bus and control board communications
Connection.
Further, the charger be power grid AC/DC conversion battery charger, the charger respectively with BMS battery
Management system or control panel connection.
Further, the control panel includes switching module, input/output module, master controller and matches electric control module；
Wherein, switching module is switching switch SW3 solid-state relay, is switched for realizing between bypass alternating current and main road inversion.
Further, the input/output module is the imput output circuit of main road, bypass, power supply.
Further, RS323 interface is additionally provided on the control panel, control panel passes through RS232 interface and a liquid crystal display
Screen communication connection, the liquid crystal display can control inverter and charging for showing various states and real number
The work of device.
Further, described to may be programmed distribution management interface with electric control module for 16 tunnels, for the suitable of load starting
Sequence, time are controlled, to solve inrush current and increase type selecting capacity.
Compared with the existing technology, a kind of transformerless emergency power supply described in the invention has the advantage that
(1) present invention is a kind of high-power EPS emergency power supply, double chargers, double cell, transless, so small in size,
It is light-weight, it is at low cost.
(2) 16 tunnels of the invention may be programmed distribution management interface, be controlled by the sequence to load starting, time,
It can largely solve the problems, such as inrush current and increase type selecting capacity.
(3) EPS host of the present invention is using integrated line design schemes, guarantee the Hardware match of major functional component with it is soft
The coordination of part.
(4) present invention is in starting working condition but not output power using the inverter of EPS.In this way using automatic inspection
It surveys software and automatic detecting repeatedly is carried out to each operating point of inverter, one has exception, alarms, eliminates the hidden trouble immediately in time.Together
When, inverter can track alternating current phase at any time, it is ensured that be quickly converted.In addition, the present invention is using digital signal processor (DSP)
Digital Pulse Width Modulation, for guaranteeing the quality of EPS output voltage, i.e. guarantee output voltage, frequency and output voltage waveforms meet skill
The requirement of art index.Another numerically controlled critical function is the initial self-test and operation self-test for realizing EPS, carries out failure guarantor
Shield and Fault Isolation, this is that analog controller is incompetent.Due to the flexibility of digitial controller, make the hard of EPS controller
Part circuit can standardize, to simplify production, use and repair, also substantially increase functional reliability.
The inverter of emergency power supply of the present invention is two-way gird-connected inverter, both can generate electricity or store electricity.Inverter
It can choose simultaneously off-network, the multiple-working modes such as generating-charging.
Emergency power supply circuit power supply of the present invention is alternating current-direct current, is supplied power with double circuit, securely and reliably.
Emergency power supply working time control of the present invention be daytime inverter work, be at night alternating current work, according to peak valley
Electricity price tune time-switching.
The present invention plays battery performance to greatest extent, can effectively prevent electricity by controlling battery/mould group voltage
Pond decaying.Charge and discharge number after increasing battery group, greatly prolongs battery.
The present invention improves safety in utilization by the state of real-time monitoring battery.Real-time monitoring battery status can be taken precautions against
Discovery battery is abnormal because deterioration causes to crash suddenly, and in advance for battery, prevents trouble before it happens in time.Obtain accurate battery data,
The deterioration condition of battery is accurately detected according to stable Cell Evaluation, analysis data.
The present invention is simple and practical, is easy to universal and promotes.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound
The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.?
In attached drawing:
Fig. 1 is that system electrical principal diagram described in the invention embodiment is intended to；
Fig. 2 is control panel schematic diagram described in the invention embodiment.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
A kind of transformerless emergency power supply, including energy storage battery group, charger, inverter and control panel, the charging
Mains source outside the input terminal connection of device, charger and energy storage battery group connection, inverter and energy storage battery group
Connection, respectively with energy storage battery group, charger and inverter data connection, the output end of inverter accesses the control panel
Mains source.
The energy storage battery group is the potassium manganate lithium series lithium ion battery high using energy density, if the battery pack includes
Dry single battery, monomer battery voltage 3.7V, battery capacity 10AH.
It is additionally provided with BMS battery management system in the battery group, is communicated to connect by CAN bus and control panel.
The charger be power grid AC/DC conversion battery charger, the charger respectively with BMS battery management system or
Control panel connection.
The control panel includes switching module, input/output module, master controller and matches electric control module；Wherein, switch
Module is switching switch SW3 solid-state relay, is switched for realizing between bypass alternating current and main road inversion.
The input/output module is the imput output circuit of main road, bypass, power supply.
RS323 interface is additionally provided on the control panel, control panel passes through RS232 interface and a liquid crystal display communication link
It connects, the liquid crystal display can control the work of inverter and charger for showing various states and real number.
It is described with electric control module be 16 tunnels may be programmed distribution management interface, for load starting sequence, the time into
Row control, to solve inrush current and increase type selecting capacity.
Specific implementation principle of the invention:
Show the present invention for transformerless lithium battery EPS emergency power supply by alternating current, charger, inversion shown in Fig. 1
The modules composition such as device, control panel, battery, BMS (battery management system) and switch.Wherein charger, battery, BMS (battery management
System) and switch SW1, SW2 module be all two.SW1 and SW2 is D.C. contactor switch, and SW3 is solid-state relay switch,
Switching time is less than 10ms.
When working principle shown in FIG. 1 is that alternating current is normal, AC mains are inputted by SW3, give load from bypass output,
After the charged device of alternating current is converted to DC power supply simultaneously, charged the battery using SW1.When commercial power interruption, it is closed SW2,
Switch SW3, provides backup power supply to load by inverter by battery.Charger charge switch is OVP, by BMS (battery management
System) OVP1 Terminal control.Inverter switching device is UVP, by the UVP1 Terminal control of BMS (battery management system).BMS (electricity
Pond management system) OVP2 Terminal control SW1 switch, BMS (battery management system) UVP2 Terminal control SW2 switch.SW3 can
To switch between bypass alternating current and the output of main road inverter, controlled by control panel.The output of charger can be limited in volume
Fixed value, while constant-current constant-voltage charging is carried out to battery, expert engineer can also change charger by setup parameter
Working condition.
Show master board of the present invention for transformerless lithium battery EPS emergency power supply by acquiring, controlling shown in Fig. 2
The function of system and communication.The voltage and current for acquiring battery, exports the voltage and current of three-phase alternating current.Control the charging of battery
With inversion function, the protection of control system and alarm function.Control panel is communicated with liquid crystal display by RS232, liquid crystal display
Screen shows various states and real number, and can control the work of inverter and charger.Control panel and battery pass through CAN
The voltage and current of battery and working condition are transmitted to control panel by communication, battery management system.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection scope within.
Claims (8)
1. a kind of transformerless emergency power supply, it is characterised in that: including energy storage battery group, charger, inverter and control panel,
Mains source outside the input terminal connection of the charger, charger and energy storage battery group connection, inverter and storage
Can battery pack connection, the control panel respectively with energy storage battery group, charger and inverter data connection, inverter it is defeated
Outlet accesses mains source.
2. a kind of transformerless emergency power supply according to claim 1, it is characterised in that: the energy storage battery group is to adopt
With the high potassium manganate lithium series lithium ion battery of energy density, the battery pack includes several single batteries, monomer battery voltage
For 3.7V, battery capacity 10AH.
3. a kind of transformerless emergency power supply according to claim 1, it is characterised in that: also set in the battery group
There is BMS battery management system, is communicated to connect by CAN bus and control panel.
4. a kind of transformerless emergency power supply according to claim 1, it is characterised in that: the charger is power grid
AC/DC conversion battery charger, the charger are connect with BMS battery management system or control panel respectively.
5. a kind of transformerless emergency power supply according to claim 1, it is characterised in that: the control panel includes switching
Module, input/output module, master controller and match electric control module；Wherein, switching module is switching switch SW3 solid-state relay
Device switches for realizing between bypass alternating current and main road inversion.
6. a kind of transformerless emergency power supply according to claim 5, it is characterised in that: the input/output module is
Main road, bypass, power supply imput output circuit.
7. a kind of transformerless emergency power supply according to claim 5, it is characterised in that: be additionally provided on the control panel
RS323 interface, control panel are communicated to connect by RS232 interface and a liquid crystal display, and the liquid crystal display is each for showing
The various states of kind and real number, and can control the work of inverter and charger.
8. a kind of transformerless emergency power supply according to claim 5, it is characterised in that: described to be with electric control module
16 tunnels may be programmed distribution management interface, control for the sequence to load starting, time, to solve inrush current
With increasing type selecting capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811261610.1A CN109245286A (en) | 2018-10-26 | 2018-10-26 | A kind of transformerless emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811261610.1A CN109245286A (en) | 2018-10-26 | 2018-10-26 | A kind of transformerless emergency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109245286A true CN109245286A (en) | 2019-01-18 |
Family
ID=65078761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811261610.1A Pending CN109245286A (en) | 2018-10-26 | 2018-10-26 | A kind of transformerless emergency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245286A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050642A (en) * | 2022-01-12 | 2022-02-15 | 库珀（天津）科技有限公司 | Low-cost and function block decoupling electric UPS system |
| CN115231399A (en) * | 2022-07-04 | 2022-10-25 | 惠州市远大电梯有限公司 | Energy-saving elevator control system and control method thereof |
-
2018
- 2018-10-26 CN CN201811261610.1A patent/CN109245286A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050642A (en) * | 2022-01-12 | 2022-02-15 | 库珀（天津）科技有限公司 | Low-cost and function block decoupling electric UPS system |
| CN115231399A (en) * | 2022-07-04 | 2022-10-25 | 惠州市远大电梯有限公司 | Energy-saving elevator control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190118 |
|
| WD01 | Invention patent application deemed withdrawn after publication |