CN208571667U - A kind of extension transformer substation communication equipment power-on time device - Google Patents
A kind of extension transformer substation communication equipment power-on time device Download PDFInfo
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- CN208571667U CN208571667U CN201821218757.8U CN201821218757U CN208571667U CN 208571667 U CN208571667 U CN 208571667U CN 201821218757 U CN201821218757 U CN 201821218757U CN 208571667 U CN208571667 U CN 208571667U
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- power supply
- communication equipment
- transformer substation
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- battery
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Abstract
The utility model discloses a kind of extension transformer substation communication equipment power-on time devices, 48V battery auxiliary system power supply is introduced from major loop positive and negative anodes exit, the external interface includes major loop anode and cathode terminals, dry contact alarm terminals and communication interface, the positive and negative anodes major loop terminal of lithium battery pack module connects on -48V communication power supply feed busbar, dry contact alarm terminals access monitoring device switching value acquisition module, and communication interface accesses monitoring device port.The present apparatus can completely newly come into operation, and can also simply be reequiped to existing website.In the case where not changing existing power supply mode, once on-line checking 48V bus bar side voltage voltage decline occurs or interrupts, device will automatically engage power supply, extend the communication device works time.Device ensures that communication equipment transmission power grid real-time traffic information does not interrupt under abnormal conditions, has the condition of all-round popularization.
Description
Technical field
The utility model relates to a kind of power supply unit, especially a kind of extension transformer substation communication equipment power-on time device.
Background technique
At present in substation's integrated power supply project, communication power supply uses DC-DC module, converts 48VDC for 220VDC,
It is used for communication equipment.Backup power source uses the battery pack of DC power system, and the communication power supply standby time is by DC power supply electricity
The pond group standby time determines.The DC power system power supply standby time is generally 2 hours, terminates when the DC power supply standby time
Afterwards, the standby time of Communication Power Equipment terminates simultaneously.And the requirement of communication power supply standby time at least six hours or more.Therefore
Existing backup power source is unable to satisfy the spare of communication power supply.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art places, and providing one kind can provide for communication power supply
A kind of extension transformer substation communication equipment power-on time device of sufficient standby time.
A kind of extension transformer substation communication equipment power-on time device includes lithium battery pack module, 48V battery auxiliary system
And external interface;
The 48V battery auxiliary system, 48V battery auxiliary system power supply are introduced from major loop positive and negative anodes exit, are adopted
Collect 48V power rail voltage and standby lithium power parameter, controls each function element work；
The external interface includes major loop anode and cathode terminals, dry contact alarm terminals and communication interface,
The positive and negative anodes major loop terminal of lithium battery pack module connects on -48V communication power supply feed busbar, dry contact alarm
Terminal accesses monitoring device switching value acquisition module, and communication interface accesses monitoring device port, and the lithium battery group is one
Group or two groups it is used in parallel.
48V battery auxiliary system in the utility model acquires 48V power rail voltage, battery voltage, quantity, temperature
Degree, current information and on give, the charge and discharge process of management of battery, control internal storage battery active equalization and passive balanced, and
It is responsible for the protection features such as overcurrent, over-voltage, the under-voltage, overcharge of system.48V power detection system power supply goes out from major loop positive and negative anodes
Introducing at mouthful, normal operation do not consume battery capacity, and DC-DC power source, which is controlled oneself after disappearing using battery supply, to be run.It is therein right
Major loop positive and negative anodes and necessary dry contact alarm terminals, communication interface is arranged in external tapping.Simplify field connection process, reduces
Work on the spot difficulty, saves the time.Device internal electric source is accessed by inside, does not stay power supply external tapping.
48V battery auxiliary system in the utility model include include bus monitoring module, automatic equalization system, number
According to acquisition transmission unit and main website data processing server, there is on-line monitoring module and charge and discharge in the bus monitoring module
Electrical interface, on-line monitoring module and charge and discharge electrical interface are connected on -48V communication power supply feed busbar, and bus monitoring modular will be believed
Breath is transferred to data acquisition transmission unit, data acquisition transmission unit is connected with automatic equalization system, and automatic equalization system connects
External interface is connect, lithium battery pack module is connected with bus monitoring module, automatic equalization system and data acquisition transmission unit respectively,
Data acquisition unit is connected through monitoring network with main website data processing server.
The bus monitoring module is responsible for the variation of real-time monitoring 48V busbar voltage, supplies electricity in storage battery in transformer substation
Trigger device is started before forcing down to the 42V of communication device calls, cutting direct current input opens discharge mode, passes through 48V bus
Stable power-supplying output is provided for traffic load.
The automatic equalization system is responsible for the data such as real-time draw-out device battery state, dynamic analysis battery pack
Can, in the case where charging and discharging, automatic distribution load under conditions of especially more set equipment are applied in combination optimizes battery pack
Service efficiency prolongs the service life.
The data acquire transmission unit, the parameter of complete acquisition device each section, monitoring voltage, electric current, temperature, short
The defencive functions working order such as road, is sent to main website.Especially when working state of device occurs abnormal, corresponding alarm will be issued
And buzz, while warning information is transmitted back to primary server.In critical alarm, it is responsible for disconnecting device power supply immediately.
The main website data processing server receives the transmission information of device working condition in each substation, to dress
Setting working condition, there are the weak websites of hidden danger to provide corresponding prompting.
Work relationship: under daily state: bus monitoring module is in real time on-line monitoring state, and lithium battery group keeps corruption to fill
State, data acquire transmission unit moment detection battery state, on the one hand the data such as collection voltages, electric current, temperature are sent to
Automatic equalization system carries out comprehensive analysis, optimizes sharing of load, has detected whether battery cell failure lamp, on the other hand periodically
It shakes hands in main website server, completes data and update；Once bus monitoring module monitors that busbar voltage is lower than 42V preset value, just
It is determined as power loss, device enters working condition at this time: is put into operation firstly, transferring lithium battery pack module by interface, pass through mother
Line powers to the load, and guarantees that power supply supply is not interrupted.Meanwhile data acquisition module transmits " power loss " message by monitoring and controlling channels
To main website, alarm is issued.Automatic equalization system timing analysis current device state acquires transmission unit by data and is transferred to master
It stands, operation maintenance personnel is made to grasp dynamic now.Until bus monitoring module monitors that voltage restores, device exits working condition.
The lithium battery pack module selects one group according to the difference of voltage using the lithium battery of the discharge capacity of 100AH
Or multiple groups parallel operation.
In summary, the utility model following advantage compared with prior art:
A kind of extension transformer substation communication equipment power-on time device of the utility model, can completely newly come into operation, can also be right
Existing website is simply reequiped.In the case where not changing existing power supply mode, once on-line checking 48V bus bar side electricity
It extrudes existing voltage decline or interrupts, device will automatically engage power supply, extend the communication device works time；Busbar voltage is detected to restore
After normal, device exits power supply, is transferred to charged state in case next round cycle operation.Meanwhile abnormal electrical power supply situation is transferred to
Main website issues alarm, and operation maintenance personnel is helped to grasp live dynamic in time.Device ensures that communication equipment transmits power grid under abnormal conditions
Real-time traffic information does not interrupt, and the feasibility for separately verifying the technology in 220/110 kilovolt of communication station, has all-round popularization
Condition.
Detailed description of the invention
Fig. 1 is standby lithium power-supply system topology and interface setting schematic diagram.
Fig. 2 is two groups of parallel power supply system topologys of standby lithium power supply and interface setting schematic diagram.
Fig. 3 is standby lithium power supply and power supply system for communications connection schematic diagram.
Fig. 4 is standby lithium power-supply system topology and interface setting schematic diagram.
Specific embodiment
The utility model is described in more detail below with reference to embodiment.
Embodiment 1
A kind of extension transformer substation communication equipment power-on time device includes lithium battery pack module, 48V battery auxiliary system
And external interface;
The 48V battery auxiliary system, 48V battery auxiliary system power supply are introduced from major loop positive and negative anodes exit, are adopted
Collect 48V power rail voltage and standby lithium power parameter, controls each function element work；
The external interface includes major loop anode and cathode terminals, dry contact alarm terminals and communication interface,
The positive and negative anodes major loop terminal of lithium battery pack module connects on -48V communication power supply feed busbar, dry contact alarm
Terminal accesses monitoring device switching value acquisition module, and communication interface accesses monitoring device port.The lithium battery pack module
Using one group of lithium battery of the discharge capacity of 100AH.
The mounting means of a kind of extension transformer substation communication equipment power-on time device of the utility model: standby lithium power supply
Mounting means can choose two ways: rack installation and in-wall mounting.It is mounted on the honorable plate of screen if necessary, it can be with
Select rack installation.If panel space is insufficient, in-wall mounting can choose, be mounted on screen body sidewall, or install additional horizontal
Beam installation.
Its mode of connection are as follows: the positive and negative anodes major loop terminal of standby lithium power supply connects on -48V communication power supply feed busbar.
Dry contact terminal of alarming accesses monitoring device switching value acquisition module.485 communication interfaces access monitoring device port.
1FL1 in Fig. 1: current acquisition element.Acquire the charging and discharging electric current of standby lithium power supply.
1FU1: loop protection element and breaking alarming signal contact.Standby lithium power supply charging and discharging circuit breaks down short-circuit
Cut-off loop and alarm signal is issued when electric current.
1JC1: contactor.The contactor of standby lithium power supply control charging and discharging circuit on-off.It is responsible for control battery discharge and fills
Electric process.
1D1: diode.Electric discharge back-up circuit when being disconnected as contactor in standby lithium power supply charging and discharging circuit.
48V battery auxiliary system.Detect 48V busbar voltage and standby lithium power parameter.Control each function element work.
48V battery auxiliary system includes (1) bus monitoring module, is responsible for the variation of real-time monitoring 48V busbar voltage, is becoming
Battery supplies voltage down to starting trigger device before the 42V of communication device calls in power station, and cutting direct current input, unlatching is put
Power mode provides stable power-supplying output by 48V bus for traffic load.(2) automatic equalization system.It is responsible for real-time draw-out device
The data such as battery state, dynamic analysis battery performance, in the case where charging and discharging, especially more set equipment combinations make
The automatic distribution load under conditions of optimizes battery pack service efficiency, prolongs the service life.(3) data acquire transmission unit.It is complete
The parameter of whole acquisition device each section, the defencive functions working order such as monitoring voltage, electric current, temperature, short circuit, is sent to main website.
Especially when working state of device occurs abnormal, corresponding alarm and buzz will be issued, while warning information is transmitted back to master
Server.In critical alarm, it is responsible for disconnecting device power supply immediately.(4) main website data processing server.Receive each change
The transmission information of device working condition in power station, to working state of device, there are the weak websites of hidden danger to provide corresponding prompting.
Work relationship: under daily state: bus monitoring module is in real time on-line monitoring state, and lithium battery group keeps corruption to fill
State, data acquire transmission unit moment detection battery state, on the one hand the data such as collection voltages, electric current, temperature are sent to
Automatic equalization system carries out comprehensive analysis, optimizes sharing of load, has detected whether battery cell failure lamp, on the other hand periodically
It shakes hands in main website server, completes data and update；Once bus monitoring module monitors that busbar voltage is lower than 42V preset value, just
It is determined as power loss, device enters into working condition at this time: is put into operation, led to by interface firstly, transferring lithium battery pack module
It crosses bus to power to the load, guarantees that power supply supply is not interrupted.Meanwhile " power loss " message is passed through monitoring and controlling channels by data acquisition module
It is transferred to main website, issues alarm.Automatic equalization system timing analysis current device state acquires transmission unit transmission by data
To main website, operation maintenance personnel is made to grasp dynamic now.Until bus monitoring module monitors that voltage restores, device exits work shape
State.
A kind of extension transformer substation communication equipment power-on time device of the utility model,
1, operation is being first powered on, BMS detection accumulator status simultaneously feeds back to communication power supply monitoring device, to battery
Carry out initial charge.Battery major loop is connected, is charged with the rate of charge of 0.2C, BMS system monitors battery shape in real time
State controls each battery cell charging process.Battery cuts off battery major loop after being full of, into normal standby operation state.
2, when operating normally, system is in stand-by state, and battery major loop disconnects, and not can be carried out charging.Battery passes through
Diode is connected in system, and when load needs high current or direct current flash power loss, battery can be by diode continuously
Cut-off electricity, avoids bus loss of pressure.
3, when operating normally, battery condition is monitored by BMS battery management system, according to lithium ion battery working capacity
Attenuation coefficient, COMPREHENSIVE CALCULATING residual capacity when accumulator capacity drops to 90%, connect battery major loop, repeat 1 process.
4, when direct current has a power failure, battery is powered by diode to the power supply system for communications, support load electricity consumption and bus electricity
Pressure.BMS battery management system monitors accumulator status, calculating accumulator discharge electricity amount, with putting according to needing to terminate battery in real time
Electric process and feedback information.
5, direct current restores electricity, and communication power supply monitoring device issues charge command, repeats 1 process.
The not described part of the present embodiment is same as the prior art.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and only lithium battery therein is two groups.
Claims (7)
1. a kind of extension transformer substation communication equipment power-on time device, it is characterised in that: include lithium battery pack module, 48V electricity
Pond auxiliary system and external interface;
The 48V battery auxiliary system, 48V battery auxiliary system power supply are introduced from major loop positive and negative anodes exit, acquire 48V
Power rail voltage and standby lithium power parameter control each function element work；
The external interface includes major loop anode and cathode terminals, dry contact alarm terminals and communication interface,
The positive and negative anodes major loop terminal of lithium battery pack module connects on -48V communication power supply feed busbar, dry contact alarm terminals
Access monitoring device switching value acquisition module, communication interface access monitoring device port, the lithium battery group be one group or
Multiple groups are used in parallel.
2. a kind of extension transformer substation communication equipment power-on time device according to claim 1, it is characterised in that: described
48V battery auxiliary system include include bus monitoring module, automatic equalization system, data acquisition transmission unit and main website number
There is on-line monitoring module and charge and discharge electrical interface according to processing server, in the bus monitoring module, on-line monitoring module with
Charge and discharge electrical interface is connected on -48V communication power supply feed busbar, and it is single that bus monitoring modular transmits information to data acquisition transmission
Member, data acquisition transmission unit are connected with automatic equalization system, and automatic equalization system connects external interface, lithium battery pack module
It is connected respectively with bus monitoring module, automatic equalization system and data acquisition transmission unit, data acquisition unit is through monitoring network
It is connected with main website data processing server.
3. a kind of extension transformer substation communication equipment power-on time device according to claim 2, it is characterised in that: described
Bus monitoring module is responsible for the variation of real-time monitoring 48V busbar voltage, supplies voltage down to communication equipment in storage battery in transformer substation
It is required that 42V before trigger device is started, cutting direct current input, open discharge mode, provided by 48V bus for traffic load
Stable power-supplying output.
4. a kind of extension transformer substation communication equipment power-on time device according to claim 2, it is characterised in that: described
Automatic equalization system, is responsible for the data such as real-time draw-out device battery state, and dynamic analysis battery performance is being charged and discharged
In the case where, automatic distribution load, optimizes battery pack service efficiency under conditions of mostly set equipment is applied in combination, and extends and uses the longevity
Life.
5. a kind of extension transformer substation communication equipment power-on time device according to claim 2, it is characterised in that: described
Data acquire transmission unit, the parameter of complete acquisition device each section, the defencive functions such as monitoring voltage, electric current, temperature, short circuit fortune
Turn situation, be sent to main website, when working state of device occurs abnormal, corresponding alarm and buzz will be issued, while will accuse
Alert information is transmitted back to primary server, in critical alarm, is responsible for disconnecting device power supply immediately.
6. a kind of extension transformer substation communication equipment power-on time device according to claim 2, it is characterised in that: described
Main website data processing server receives the transmission information of device working condition in each substation, exists to working state of device
The weak website of hidden danger provides corresponding prompting.
7. a kind of extension transformer substation communication equipment power-on time device according to claim 1, it is characterised in that: described
Lithium battery pack module uses the lithium battery of the discharge capacity of 100AH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218757.8U CN208571667U (en) | 2018-07-31 | 2018-07-31 | A kind of extension transformer substation communication equipment power-on time device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218757.8U CN208571667U (en) | 2018-07-31 | 2018-07-31 | A kind of extension transformer substation communication equipment power-on time device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208571667U true CN208571667U (en) | 2019-03-01 |
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ID=65448912
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821218757.8U Active CN208571667U (en) | 2018-07-31 | 2018-07-31 | A kind of extension transformer substation communication equipment power-on time device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564893A (en) * | 2020-06-29 | 2020-08-21 | 贵州电网有限责任公司 | Micro-positioning base station power supply assembly for transformer substation and control method thereof |
| CN113629857A (en) * | 2021-10-12 | 2021-11-09 | 江苏超璞智能装备有限公司 | Self-power-off device for computer network server |
-
2018
- 2018-07-31 CN CN201821218757.8U patent/CN208571667U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564893A (en) * | 2020-06-29 | 2020-08-21 | 贵州电网有限责任公司 | Micro-positioning base station power supply assembly for transformer substation and control method thereof |
| CN113629857A (en) * | 2021-10-12 | 2021-11-09 | 江苏超璞智能装备有限公司 | Self-power-off device for computer network server |
| CN113629857B (en) * | 2021-10-12 | 2021-12-14 | 江苏超璞智能装备有限公司 | Self-power-off device for computer network server |
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