CN210607514U - Lead-acid battery formation equipment - Google Patents

Lead-acid battery formation equipment Download PDF

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Publication number
CN210607514U
CN210607514U CN201921397217.5U CN201921397217U CN210607514U CN 210607514 U CN210607514 U CN 210607514U CN 201921397217 U CN201921397217 U CN 201921397217U CN 210607514 U CN210607514 U CN 210607514U
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China
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direct current
current
direct
module
lead
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CN201921397217.5U
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王山伟
刘中伟
肖正虎
杜文平
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Xi'an Topology Electric Power Technology Co ltd
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Xi'an Topology Electric Power Technology Co ltd
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    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to a battery ization becomes technical field, discloses a lead acid battery ization becomes equipment. This lead acid battery ization becomes equipment includes that the direct current concentrates the power supply room, the battery to become the room and sets up two direct current female rows between the direct current concentrates power supply room and battery to become the room, wherein: the direct current centralized power supply room is internally provided with a plurality of rectifying units and a plurality of inverting units, wherein the rectifying units are respectively connected with an alternating current power grid and two direct current busbars and are used for converting alternating current into direct current and transmitting the direct current to the direct current busbars; the inversion unit is respectively connected with the alternating current power grid and the two direct current busbars and is used for converting direct current into alternating current and feeding the alternating current back to the alternating current power grid; the battery formation room is internally provided with a plurality of water-cooling DC/DC modules, and the water-cooling DC/DC modules are connected with the direct-current busbar and used for charging the lead-acid battery after reducing the voltage of the direct current on the direct-current busbar or feeding the lead-acid battery back to the direct-current busbar after boosting the voltage of the direct current.

Description

Lead-acid battery formation equipment
Technical Field
The utility model relates to a battery ization becomes the field, especially relates to a lead acid battery ization becomes equipment.
Background
As lead acid battery formation equipment becomes more competitive, equipment suppliers are required to continually reduce costs and improve performance and reliability to gain acceptance by lead acid battery manufacturers.
At present, lead-acid battery formation equipment generally adopts a power frequency transformer 3+ an uncontrolled rectifying circuit 4+ a DC/DC module 5 framework, as shown in FIG. 1. Wherein the DC/DC module 5 is a bidirectional power supply module. The lead-acid battery formation equipment comprises the following two working processes:
(1) the battery charging process comprises the following steps: the commercial power is reduced to proper voltage through a power frequency transformer 3, and then is converted into direct current through an uncontrolled rectifying circuit 4, and the direct current is connected to a common direct current bus bar 6; the DC/DC module 5 takes direct current from the direct current busbar 6, and then the direct current is converted into proper low-voltage direct current through the DC/DC module 5 to charge the battery, so that the battery is subjected to component grading;
(2) and (3) discharging the battery: the battery is boosted through the DC/DC module 5 and connected to the direct-current busbar 6, the direct-current busbar 6 is hung with the photovoltaic inverter 7, and the photovoltaic inverter 7 is hung on a power grid to feed back energy to the power grid.
With continued reference to fig. 1, the power frequency transformer 3, the uncontrolled rectifying circuit 4 and the DC/DC module 5 are all arranged in the cabinet 2, and a plurality of such cabinets 2 are arranged in the battery formation room 1, which results in a large system volume, multiple and disordered lines and difficult maintenance; moreover, the cabinets 2 generally adopt an air cooling mode for heat dissipation, and some corrosive gas generated in the battery formation process easily corrodes the internal devices of the cabinets after being dissipated into the air, so that the normal operation of the equipment is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lead acid battery ization becomes equipment has simplified whole framework, and the good reliability, and be convenient for maintain.
The embodiment of the utility model provides a lead acid battery ization becomes equipment, this lead acid battery ization becomes equipment and includes, and direct current concentrates power supply room, battery ization becomes the room and sets up direct current concentrate the power supply room and two direct current between the battery ization becomes the room are female arranges, wherein:
the direct current centralized power supply room is internally provided with a plurality of rectifying units and a plurality of inverting units, wherein the rectifying units are respectively connected with an alternating current power grid and two direct current busbars and are used for converting alternating current into direct current in the charging process and transmitting the direct current to the direct current busbars; the inversion unit is respectively connected with an alternating current power grid and the two direct current busbars and is used for converting direct current on the direct current busbars into alternating current in the discharging process and feeding the alternating current back to the alternating current power grid;
the battery formation room is internally provided with a plurality of water-cooling DC/DC modules, and each water-cooling DC/DC module is respectively connected with the two direct-current busbars and is used for charging the lead-acid battery after reducing the direct current on the direct-current busbars in the charging process or feeding the direct current discharged by the lead-acid battery back to the direct-current busbars after boosting the direct current in the discharging process.
In the embodiment, the rectifying units are separated from the water-cooling DC/DC modules, all the rectifying units are connected with the direct-current busbar in the direct-current centralized power supply room, and all the water-cooling DC/DC modules are connected with the direct-current busbar in the battery formation room, so that the integral framework is simple, the cables are fewer and clear, and the maintenance is convenient; in addition, the water-cooling DC/DC module has higher protection level than an air-cooling type, the internal components are not easy to be corroded by corrosive gas, and the water-cooling DC/DC module is arranged behind a battery formation room, so that the length of a cable between the water-cooling DC/DC module and a lead-acid battery is shortened, and the cost is saved.
Optionally, the rectifying unit is an AC/DC module with high frequency isolation. The high-frequency isolated AC/DC module has stable output voltage, enhanced system reliability, small volume and reduced occupied space.
Specifically, the AC/DC module is a charging module in the charging pile.
Optionally, the dc busbar is a copper bar or an aluminum bar.
Optionally, a digital signal processor is further disposed in each water-cooling DC/DC module, and the digital signal processor is configured to control an output of the corresponding water-cooling DC/DC module. Therefore, the multi-output circuits of each water-cooling DC/DC module can be connected in parallel at will, and the flexible configuration requirements of customers for different battery capacities are met.
Optionally, each water-cooled DC/DC module is disposed on a wall of the battery-enabled finished house. The arrangement improves the space utilization rate in the battery formation room, reduces the volume of the battery formation room and saves the cost.
Optionally, the inverter unit is a photovoltaic inverter.
Drawings
FIG. 1 is a schematic diagram of an overall architecture of a lead-acid battery formation apparatus provided in the prior art;
fig. 2 is an overall structural diagram of a lead-acid battery formation device provided by an embodiment of the present invention.
Reference numerals:
1-Battery-based Room-Forming 2-machine cabinet
3-industrial frequency transformer 4-uncontrolled rectifying circuit
5-DC/DC module 6-DC busbar
7-photovoltaic inverter
10-DC centralized power supply room
20-battery formation chamber 30-direct current busbar
40-rectifying unit 50-inverting unit
60-water-cooling DC/DC module
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a lead-acid battery formation equipment, which is characterized in that a rectification unit and a DC/DC module are separately arranged and connected to the same group of direct current bus bars, the whole framework is simple, the number of cables is small and clear, and the maintenance is convenient; the DC/DC module is positioned in the battery formation room, adopts a water cooling mode, has high protection level and is not easy to corrode.
Specifically, this lead acid battery ization becomes equipment and includes that the direct current concentrates the power supply room, the battery to become the room and sets up two direct current female arranging between the power supply room is concentrated to the direct current and the battery becomes the room, wherein:
the direct current centralized power supply room is internally provided with a plurality of rectifying units and a plurality of inverting units, wherein the rectifying units are respectively connected with an alternating current power grid and two direct current busbars and are used for converting alternating current into direct current in the charging process and transmitting the direct current to the direct current busbars; the inversion unit is respectively connected with the alternating current power grid and the two direct current busbars and is used for converting direct current on the direct current busbars into alternating current and feeding the alternating current to the alternating current power grid in the discharging process;
the battery formation room is internally provided with a plurality of water-cooling DC/DC modules, and each water-cooling DC/DC module is respectively connected with two direct current busbars and is used for charging the lead-acid battery after the direct current on the direct current busbars is reduced in voltage in the charging process, or is used for feeding the direct current discharged by the lead-acid battery back to the direct current busbars after the direct current is increased in voltage in the discharging process.
In the embodiment, the rectifying units are arranged in a centralized direct-current power supply room in a centralized manner, the water-cooling DC/DC modules are arranged in a centralized battery formation room in a centralized manner, so that the rectifying units are separated from the water-cooling DC/DC modules, in the centralized direct-current power supply room, all the rectifying units are connected with the direct-current bus bar, in the battery formation room, all the water-cooling DC/DC modules are connected with the direct-current bus bar, the overall framework is simple, cables are few and clear, the modular design is adopted, and after a fault occurs, the fault module can be replaced, so that the maintenance is facilitated; in addition, the water-cooling DC/DC module has higher protection level than an air-cooling type, the internal components are not easy to be corroded by corrosive gas, and the water-cooling DC/DC module is arranged behind a battery formation room, so that the length of a cable between the water-cooling DC/DC module and a lead-acid battery is shortened, and the cost is saved.
In order to more clearly understand the lead-acid battery formation equipment provided by the embodiments of the present invention, detailed description is now made with reference to the accompanying drawings.
As shown in fig. 2, the lead-acid battery formation equipment includes a dc centralized power supply room 10, a battery formation room 20, and two dc busbars 30 arranged between the dc centralized power supply room 10 and the battery formation room 20, where the dc busbars 30 may be copper bars or aluminum bars; the direct current centralized power supply room 10 is internally provided with a plurality of rectifying units 40 and a plurality of inverting units 50, wherein the rectifying units 40 are respectively connected with an alternating current power grid and two direct current busbars 30 and used for converting alternating current on the alternating current power grid into direct current in a charging process and then outputting the direct current to the direct current busbars 30, the inverting units 50 are respectively connected with the alternating current power grid and the two direct current busbars 30 and used for converting the direct current on the direct current busbars 30 into alternating current in a discharging process and feeding the alternating current to the alternating current power grid, and specifically, the inverting units are photovoltaic inverters; the battery formation room 20 is internally provided with a plurality of water-cooled DC/DC modules 60, and the water-cooled DC/DC modules 60 are respectively connected with the two DC busbars 30, and are used for charging the lead-acid battery after reducing the voltage of the DC power on the DC busbars 30 in the charging process, or used for feeding back the DC power discharged by the lead-acid battery to the DC busbars 30 after increasing the voltage of the DC power in the discharging process. As shown in the overall structural diagram of fig. 2, the rectifying units 40 and the water-cooled DC/DC modules 60 are separately arranged, and in the DC centralized power supply room 10, all the rectifying units 40 are connected to the DC bus bar 30, and in the battery formation room 20, all the water-cooled DC/DC modules 60 are connected to the DC bus bar 30, so that the overall structural diagram is simple, the cables are few and clear, and the modular design is adopted, and after a fault occurs, the fault module can be replaced, thereby facilitating maintenance; in addition, the water-cooled DC/DC module 60 adopts flowing cooling water to dissipate heat of internal heating components, the sealing performance of an external shell is good, the protection level is higher than that of an air-cooled type, internal components are not easily corroded by corrosive gas, the reliability is high, and after the water-cooled DC/DC module 60 is arranged in the battery formation room 20, the length of a cable between the water-cooled DC/DC module 60 and a lead-acid battery is shortened, and the cost is saved.
When the device is specifically arranged, the water-cooling DC/DC module 60 can be arranged in the battery formation room 20 in a wall-hanging mode, namely, each water-cooling DC/DC module 60 is fixed on the wall in the battery formation room 20, so that the space inside the battery formation room 20 is fully utilized, the space utilization rate is improved, the occupied area of the battery formation room 20 is reduced, and the length of a cable is shortened. Also provided within each water-cooled DC/DC module 60 is a digital signal processor for controlling the output of the corresponding water-cooled DC/DC module 60. In this way, the multiple output circuits of each water-cooled DC/DC module 60 can be connected in parallel, for example, each water-cooled DC/DC module 60 can support independent 8-channel output, and 2-channel parallel or 4-channel parallel output, so as to meet the flexible configuration requirements of customers for different battery capacities.
Rectifier unit 40 is used for turning into the direct current with the alternating current, specifically can adopt Power frequency transformer to fall suitable voltage with the commercial Power, then become the direct current behind the uncontrollable rectifier circuit, however, Power frequency transformer is bulky to there is the shortcoming that Power Factor (Power Factor, PF) are low in this kind of uncontrollable rectifying's framework, can bring serious harmonic problem for the electric wire netting, and simultaneously, the female voltage instability of arranging of direct current, can be along with the electric wire netting is undulant, equipment often works unusually, and system reliability is poor. Based on the above problem, the rectifying unit 40 may further adopt a high-frequency isolated AC/DC module, the voltage output by the high-frequency isolated AC/DC module is stable, so that the system reliability is enhanced, and the AC/DC module has a smaller volume than the power frequency transformer, which is also beneficial to reducing the occupied space of the whole framework. In a specific embodiment, the AC/DC module is a charging module in the charging pile, the charging module has a Power Factor Correction (PFC) circuit, the PF is 0.999, the Total Harmonic Distortion (THDI) is less than 5%, and the commercial Power and the DC output are isolated in high frequency, which can well replace a large-frequency transformer. And, along with fill electric pile's large-scale application, the module of charging is cheaper and cheaper more and more, uses the module of charging in battery formation equipment to convert the alternating current into the direct current and transmit to the female 30 that arranges of direct current, can practice thrift the cost.
In a specific embodiment, as shown in fig. 2, the battery formation equipment adopts a charging module in a charging pile as a preceding stage and is arranged in the dc centralized power supply room 10, and the charging modules are all connected with the dc bus bar 30 and output a stable dc voltage to the dc bus bar 30; the water-cooling DC/DC module is arranged in the battery formation room 20 as a later stage, the water-cooling DC/DC module 60 takes direct current from the direct current busbar 30, the direct current is changed into proper low-voltage direct current and then is used for charging the battery, and formation and capacity grading are carried out on the battery, so that the length of a cable is greatly shortened, the water-cooling DC/DC module 60 is high in protection level, internal components are not easily affected by corrosive gas, and the reliability is high; in the whole framework, the charging module is separated from the water-cooling DC/DC module 60, the cables are few and clear, and the modularized design is adopted, so that the maintenance is convenient. Furthermore, a digital information processor is arranged in each water-cooling DC/DC module 60, so that any mutual parallel connection between the multi-output circuits can be realized, and the flexible configuration requirements of customers for different battery capacities can be met.
The lead-acid battery formation equipment works in two processes:
(1) the battery charging process comprises the following steps: the commercial power outputs stable direct current voltage (such as 400V) through the charging module, and the direct current is connected to the common direct current busbar 30; the water-cooling DC/DC module 60 takes direct current from the direct current busbar 30, and then the direct current is converted into proper low-voltage direct current through the water-cooling DC/DC module 60 to charge the battery, so that the battery is subjected to component capacity grading;
(2) and (3) discharging the battery: the battery is boosted through the water-cooling DC/DC module 60 and is connected to the direct-current busbar 30, the direct-current busbar 30 is hung with a photovoltaic inverter, and the photovoltaic inverter is hung on a power grid to feed back energy to the power grid;
when some batteries are in a charging process and some batteries are in a discharging process, electric energy fed back to the direct-current busbar by the discharging batteries through the water-cooling DC/DC module can be used for the charging batteries, so that the number of charging modules and the power of the photovoltaic inverter can be reduced, and the equipment cost of the whole system is reduced.
As can be seen from the above description, in the embodiment of the present invention, the rectifying unit and the DC/DC module are separately disposed and connected to the same group of DC busbars, so that the overall structure is simple, the cables are fewer and clear, and the maintenance is convenient; the DC/DC module is positioned in the battery formation room, adopts a water cooling mode, has high protection level and is not easy to corrode.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. The utility model provides a lead acid battery ization becomes equipment, its characterized in that, concentrates power supply room, battery to become the room and sets up direct current concentrates the power supply room and two direct current female rows between the battery ization room, wherein:
the direct current centralized power supply room is internally provided with a plurality of rectifying units and a plurality of inverting units, wherein the rectifying units are respectively connected with an alternating current power grid and two direct current busbars and are used for converting alternating current into direct current in the charging process and transmitting the direct current to the direct current busbars; the inversion unit is respectively connected with an alternating current power grid and the two direct current busbars and is used for converting direct current on the direct current busbars into alternating current in the discharging process and feeding the alternating current back to the alternating current power grid;
the battery formation room is internally provided with a plurality of water-cooling DC/DC modules, and each water-cooling DC/DC module is respectively connected with the two direct-current busbars and is used for charging the lead-acid battery after reducing the direct current on the direct-current busbars in the charging process or feeding the direct current discharged by the lead-acid battery back to the direct-current busbars after boosting the direct current in the discharging process.
2. The lead acid battery formation apparatus of claim 1, wherein the rectification unit is a high frequency isolated AC/DC module.
3. The lead acid battery formation apparatus of claim 2, wherein the AC/DC module is a charging module within a charging post.
4. The lead-acid battery formation equipment of claim 1, wherein the direct-current busbar is a copper busbar or an aluminum busbar.
5. The lead-acid battery formation apparatus of claim 1, wherein a digital signal processor is provided within each water-cooled DC/DC module for controlling the output of the corresponding water-cooled DC/DC module.
6. The lead acid battery formation apparatus of claim 1, wherein each water-cooled DC/DC module is disposed on a wall within the battery formation house.
7. The lead-acid battery formation equipment according to any one of claims 1 to 6, wherein the inverter unit is a photovoltaic inverter.
CN201921397217.5U 2019-08-26 2019-08-26 Lead-acid battery formation equipment Active CN210607514U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921397217.5U CN210607514U (en) 2019-08-26 2019-08-26 Lead-acid battery formation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921397217.5U CN210607514U (en) 2019-08-26 2019-08-26 Lead-acid battery formation equipment

Publications (1)

Publication Number Publication Date
CN210607514U true CN210607514U (en) 2020-05-22

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ID=70698293

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921397217.5U Active CN210607514U (en) 2019-08-26 2019-08-26 Lead-acid battery formation equipment

Country Status (1)

Country Link
CN (1) CN210607514U (en)

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