CN204290377U - One activates DC power supply online - Google Patents
One activates DC power supply online Download PDFInfo
- Publication number
- CN204290377U CN204290377U CN201420716477.5U CN201420716477U CN204290377U CN 204290377 U CN204290377 U CN 204290377U CN 201420716477 U CN201420716477 U CN 201420716477U CN 204290377 U CN204290377 U CN 204290377U
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- battery module
- activation
- bus
- Prior art date
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides one to activate DC power supply online, it comprises communication control module, cell activation module and battery module, described battery module is used for DC bus powered, described cell activation module and described battery module are electrically connected for controlling described battery module and described DC bus disconnects and activates described battery module, and described communication control module and described cell activation module are electrically connected and are used for controlling described cell activation module according to preset control information and activate described battery module.The online activation DC power supply of the utility model embodiment has that activation efficiency is high, power supply good stability and the low advantage of working service cost.
Description
Technical field
The utility model relates to the activation of DC power supply, and particularly one activates DC power supply online.
Background technology
DC power supply the occasion such as transformer station, power plant in support power supply use, serve vital effect, can DC power supply be related to stability and the fail safe of mains supply by reliability service.Storage battery especially lead acid accumulator is the back-up source of direct current system, only has the effect just having when on-the-spot AC power dead electricity and play back-up source.In order to ensure that storage battery is in the state of full capacity all the time, DC power supply is by always for storage battery provides a constant floating current.
And storage battery works long hours in floating charge state and seldom big current carries out the chance of discharge and recharge, accumulator grid there will be battery polarization phenomenon, on the screen of battery, namely adhere to the lead sulfate crystal of electric conductivity extreme difference.The formation of lead sulfate crystal decreases sulfate liquid and plumbous quantity in storage battery on the one hand, increases internal storage battery resistance on the other hand, the charge capacity of storage battery is reduced, affects the serviceability of storage battery.
The storage battery of prior art uses 4 to five years, and the capacity of storage battery significantly reduces, internal resistance value raises suddenly.In order to make the performance of storage battery fully eject, extending working time, batteries is activated.But because storage battery is in systems in which for series connection uses, as activated storage battery, need on DC power supply bus a first group storage battery group in parallel.Batteries detachment system need be activated again, the battery of former batteries will be activated one by one.Because storage battery quantity is many in system, activity cycle is long, DC power supply cost of use is high.
Therefore, the activity cycle of the DC power supply of prior art is long, activating cost is high, and poor operability.
To sum up, how designing the DC power supply that a kind of activating cost is low, activity cycle is short and use cost is low is the problem that industry needs solution badly.
Utility model content
In order to solve above-mentioned existing technical problem, the utility model provides one to activate DC power supply online, control described cell activation module according to preset control information by arranging communication control module described battery module is activated, and battery module need not be split out separately one by one and activate, the activation efficiency of battery module is high, activity cycle is short, and the use cost of DC power supply is low.
The utility model provides one to activate DC power supply online, it comprises communication control module, cell activation module and battery module, described battery module is used for DC bus powered, described cell activation module and described battery module are electrically connected for controlling described battery module and described DC bus disconnects and activates described battery module, and described communication control module and described cell activation module are electrically connected and are used for controlling described cell activation module according to preset control information and activate described battery module.
Preferably, it comprises ac power supply module and the first voltage changing module, described ac power supply module is electrically connected by described first voltage changing module and described DC bus with DC bus powered to institute, and described battery module is electrically connected by described first voltage changing module and described DC bus.
Preferably, it comprises the second voltage changing module, and described second voltage changing module is electrically gone here and there and is located between described battery module and the first voltage changing module.
Preferably, described ac power supply module comprises filter circuit.
Preferably, described ac power supply module comprises power factor (PF) emphasizer circuit.
Preferably, described cell activation module comprises pulse generator.
Compared to prior art, respective battery modules being activated according to preset control information control cell activation module by arranging communication control module in online activation DC power supply of the utility model embodiment, realize the online activation of battery module, one by one battery module need not be split out integrated circuit to activate respectively, realize the on-line automatic activation of battery module, activation efficiency is high, and whole process not influential system is powered and safeguarded that use cost is low.
The online activation DC power supply of the utility model embodiment has on-line automatic activation, high, the whole process advantage that influential system is not powered and working service cost is low of activation efficiency.
Accompanying drawing explanation
Fig. 1 is the structure block diagram of the online activation DC power supply of the utility model first embodiment;
Fig. 2 is the structure block diagram of the online activation DC power supply of the utility model second embodiment.
Embodiment
To illustrate below in conjunction with accompanying drawing and embodiment further illustrates the utility model.
Refer to Fig. 1, the online activation DC power supply 1 of the utility model first embodiment comprises communication control module 11, cell activation module 13 and battery module 15.
Communication control module 11 corresponds to described battery module 15 and arranges, and communication control module 11 and cell activation module 13 are electrically connected and activate for controlling cell activation module 13 pairs of respective battery modules 15 according to preset control information.The generation of described preset control information is determined by the voltage of the activity cycle of the load information of DC bus, battery module 15, soak time and single battery module 15, current state information, when battery module 15 provides too much redundancy for DC bus, the battery module of activation can be needed to disconnect with the connection of DC bus and activate according to redundant information control section, when being incorporated to DC bus powered by the battery module 15 after activation again after having activated, progressively complete the activation of all battery modules 15.
Certainly, also can control battery module 15 when charging to battery module 15 and charging circuit disconnects, then realize activating all battery modules 15 of activation that needs by cell activation module 13.
Multiple battery module 15 to be connected with DC bus by the mode that is connected in parallel and to provide direct current energy for DC bus.
Compared to prior art, activate according to preset control information control cell activation module 13 pairs of respective battery modules 15 by arranging communication control module 11 in the online activation DC power supply 1 of the utility model embodiment, realize the online activation of battery module 15, one by one battery module 15 need not be split out integrated circuit to activate respectively, realize the online activation of battery module 15, activation efficiency is high, power supply good stability and safeguard that use cost is low.
Refer to Fig. 2 again, Fig. 2 is the structure block diagram of the online activation DC power supply of the utility model second embodiment.The online activation DC power supply 2 of the present embodiment comprises communication control module 22, cell activation module 23, battery module 24, ac power supply module 25, first voltage changing module 26 and the second voltage changing module 27.
Communication control module 22 is connected with cell activation module 23 respectively, activates for controlling cell activation module 23 pairs of respective battery modules 24 according to described preset control information.
The generation of described preset control information is determined by the voltage of the activity cycle of the load information of DC bus, battery module 24, soak time and single battery module 24, current state information, when battery module 24 provides too much redundancy for DC bus, the battery module 244 of activation can be needed to disconnect with the connection of DC bus and activate according to redundant information control section, when being incorporated to DC bus powered by the battery module 24 after activation again after having activated, progressively complete the activation of all battery modules 24.
Certainly, also can control battery module 24 when charging to battery module 24 and charging circuit disconnects, then realize activating all battery modules 24 of activation that needs by cell activation module 23.
Cell activation module 23 is electrically connected with communication control module 22, cell activation module 23 respectively, for receiving the preset control information of communication control module 22 transmission and activating in requisition for the battery module 24 activated according to described preset control information.
Battery module 24 and DC bus are connected in parallel for providing electric energy for DC bus, comprise lead acid accumulator in battery module 24.
Ac power supply module 25 passes through the first voltage changing module 26 to DC bus powered.First voltage changing module 26 is for converting the alternating current of AC power supply module 24 to direct current to DC bus powered.Be provided with control switch in first voltage changing module 26, this control switch is connected the ON/OFF be connected with DC bus for realizing Communication Control energy the first transformer with communication control module 22.When communication control module 22 receive preset control information need to activate to battery module 24 time, the control switch and the DC bus that control the first voltage changing module 26 disconnect, when after the activation that cell activation module 23 completes battery module 22, the control switch that communication control module 22 controls the first voltage changing module 26 is connected with DC bus conducting the power supply realized DC bus.
Second voltage changing module 27 electrically string is located between described battery module 24 and the first voltage changing module 26.It is that the second voltage changing module 26 charges that ac power supply module 25 and the second voltage changing module 27 are electrically connected, when ac power supply module 25 is stopped power supply, namely when ac power supply module 25 stops by the first voltage changing module 26 as DC bus provides electric energy, also stop simultaneously by the second voltage changing module 27 power for battery module 24 charge time, battery module 24 is DC bus powered by the second voltage changing module 27 and the first voltage changing module 26.
Certainly, control switch is provided with equally in second voltage changing module 27, second voltage changing module 27 is connected with communication control module 22, for when needs activate battery module 24, the control switch that communication control module 22 controls the second voltage changing module 27 disconnects the connection with the first voltage changing module 26, and control conducting that battery module 24 is connected with cell activation module 23 and control cell activation module 23 pairs of battery modules 24 activate to realize communication control module 22, when after the activation completing cell activation module 23 pairs of battery modules 24, communication control module 22 controls cell activation module 23 and disconnects with battery module 24, and control the second voltage changing module 27 simultaneously and be connected with battery module 24 conducting.
Further, ac power supply module 25 comprises filter circuit 251, i.e. EMI (Electromagnetic Interference, EMI) circuit.
Further, ac power supply module 25 comprises power factor (PF) emphasizer circuit, i.e. PFC (PFC, Power Factor Correction) circuit 253.
Further, cell activation module 23 comprises pulse generator 231.In one embodiment, pulse generator 231 sends high voltage, high-frequency devulcanization pulse, to excite the lead sulfate crystal in battery module 24.Devulcanization pulse sends with the frequency of 9kHz, and the transient voltage of pulse is according to the relative parameters setting of storage battery, and the transient voltage of its pulse is between 28V ~ 36V, charging pulse width 900ms, interval 10ms, discharge pulse width 50ms, test open circuit voltage 40ms; Discharge pulse discharging current is 3 ~ 4.5A.Very short on the added negative pulse time, be 5% of positive pulse, amplitude is 2 times of positive pulse.Produce above-mentioned high frequency pulse power supply by pulse generator 231, constantly excite lead sulfate crystal, make it resolve into sulfuric acid and metallic lead, the chemical property of storage battery is restored, and its capacity also can obtain maximum recovery.
Compared to prior art, the on-line direct current activation power supply 2 of the utility model second embodiment controls cell activation module 23 battery module 24 realized activating by communication control module 22 according to preset control information and activates, after activation completes, controlling battery module 24 is connected for DC bus powered with DC bus conducting, and need not by manually activating needing the battery module 24 of activation to split out separately, substantially increase the activation efficiency of battery module 24 and the useful life of battery module, what also improve DC bus supplies electrical stability.
The utility model also provides one to activate DC power system online, it comprises system-monitoring module and multiple above-mentioned online activation DC power supply 1,2, this system-monitoring module is connected the system-monitoring module for monitoring DC bus load information with DC bus, this system-monitoring module generates according to described load information the communication control module that preset control information is sent to the above-mentioned on-line direct current activation power supply 1,2 needing activation, and described communication control module controls described Activation Module according to described preset control information and activates battery module.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (6)
1. one kind activates DC power supply online, it is characterized in that, it comprises communication control module, cell activation module and battery module, described battery module is used for DC bus powered, described cell activation module and described battery module are electrically connected for controlling described battery module and described DC bus disconnects and activates described battery module, and described communication control module and described cell activation module are electrically connected and are used for controlling described cell activation module according to preset control information and activate described battery module.
2. online activation DC power supply according to claim 1, it is characterized in that, it comprises ac power supply module and the first voltage changing module, described ac power supply module is electrically connected by described first voltage changing module and described DC bus with DC bus powered to institute, and described battery module is electrically connected by described first voltage changing module and described DC bus.
3. online activation DC power supply according to claim 2, it is characterized in that, it comprises the second voltage changing module, and described second voltage changing module is electrically gone here and there and is located between described battery module and the first voltage changing module.
4. online activation DC power supply according to claim 3, is characterized in that, described ac power supply module comprises filter circuit.
5. online activation DC power supply according to claim 4, is characterized in that, described ac power supply module comprises power factor (PF) emphasizer circuit.
6. online activation DC power supply according to claim 1, is characterized in that, described cell activation module comprises pulse generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420716477.5U CN204290377U (en) | 2014-11-24 | 2014-11-24 | One activates DC power supply online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420716477.5U CN204290377U (en) | 2014-11-24 | 2014-11-24 | One activates DC power supply online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290377U true CN204290377U (en) | 2015-04-22 |
Family
ID=52873506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420716477.5U Active CN204290377U (en) | 2014-11-24 | 2014-11-24 | One activates DC power supply online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290377U (en) |
-
2014
- 2014-11-24 CN CN201420716477.5U patent/CN204290377U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203368044U (en) | Bidirectional ac/dc multi-power-supply multi-load safe-isolation micro electrical network system | |
| CN104113133B (en) | Intelligent photovoltaic off-network inverter system and power consumption control method thereof | |
| CN102427266A (en) | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof | |
| CN105576814B (en) | DC power supply standby system | |
| CN102368633B (en) | Solar energy and mains supply complementation controller | |
| CN102013726A (en) | Backup power supply device in wind turbine pitch system | |
| AU2015101163A4 (en) | A control system for energy storage | |
| CN101699749A (en) | Off-grid small-sized solar power plant system and control method thereof | |
| CN104753445A (en) | Solar power supply device | |
| CN204216665U (en) | A kind of high reliability multichannel input uninterrupted power supply | |
| CN103236725B (en) | Power supply method of solar controller control circuit and circuit thereof | |
| CN104617652A (en) | Battery supply device of portable terminal | |
| CN204304465U (en) | There is the photovoltaic grid-connected inversion control system that multimode group detects sampling functions | |
| CN204271668U (en) | A kind of solar cell charge-discharge controller | |
| CN202602351U (en) | Time sharing power supply energy storage system for residence | |
| CN205791774U (en) | High efficiency uninterrupted power supply(ups) | |
| CN202121367U (en) | Lithium battery pack charger of wind-power pitch control system | |
| CN204290377U (en) | One activates DC power supply online | |
| CN105471089A (en) | Hybrid power supply apparatus and hybrid power supply method | |
| CN104485491B (en) | One activates DC power system online | |
| CN204905986U (en) | Uninterrupted power source device | |
| CN204315671U (en) | A kind of all-vanadium flow battery carrying working power | |
| CN209709738U (en) | A kind of power supply system based on more solar panels and more rechargeable batteries | |
| CN204304464U (en) | A kind of solar grid-connected inverse control system | |
| CN102832647A (en) | Standby power supply device in wind power pitch system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |