CN113922476B - High-safety module group direct-current power supply - Google Patents
High-safety module group direct-current power supply Download PDFInfo
- Publication number
- CN113922476B CN113922476B CN202111164792.2A CN202111164792A CN113922476B CN 113922476 B CN113922476 B CN 113922476B CN 202111164792 A CN202111164792 A CN 202111164792A CN 113922476 B CN113922476 B CN 113922476B
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- direct current
- power supply
- storage battery
- current chopper
- battery
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- 230000001012 protector Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 description 16
- 230000006872 improvement Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a dc power supply device, and more particularly, to a high-safety module group dc power supply. The power supply comprises a plurality of power supply placing shells, wherein a power distribution controller is arranged in the power supply placing shells, a connecting plug used for connecting a circuit is arranged on one side of each power supply placing shell, and the power distribution controller comprises an APFC converter, two 220V direct current choppers and a 12V direct current chopper. According to the invention, a plurality of storage batteries are connected in parallel, so that each storage battery becomes a used unit, when one storage battery fails, the failed storage battery is conveniently replaced, when the storage battery is replaced, the whole circuit is not required to be closed, the storage battery is conveniently replaced, meanwhile, the voltage is regulated by the 12V direct current chopper, the regulated electric energy is stored in the storage battery, and when the circuit has a feeding phenomenon, the storage battery outputs the voltage outwards to maintain the voltage of the circuit, so that the stable operation of the circuit is ensured.
Description
Technical Field
The present invention relates to a dc power supply device, and more particularly, to a high-safety module group dc power supply.
Background
The direct current power supply system is often applied to transmission and distribution power generation, metallurgy, nuclear power, rail transit, petrifaction, ceramics, photovoltaics, wind power, energy storage, electric motor cars and the like, storage batteries in the market are all in a series mode, the difficulty of on-site and remote nuclear capacity is high, parallel intelligent battery components in the module group direct current power supply can independently operate under the condition of monitoring faults or no monitoring, the storage batteries in the system are in mutually independent relation, after a certain storage battery is damaged, only backup time is reduced, normal operation of the system is not influenced, the difficulty of detecting the damaged storage battery is further increased, in addition, in the process of detecting the storage battery, the connecting line of the storage battery is required to be plugged and pulled for multiple times, and the trouble of line connection is increased.
Disclosure of Invention
The invention aims to provide a high-safety module group direct current power supply so as to solve the problems in the background technology.
In order to achieve the above object, a high-safety module group direct current power supply is provided, which comprises a plurality of power supply placing shells, wherein a power distribution controller is arranged in the power supply placing shells, one side of each power supply placing shell is provided with a connecting plug for connecting a circuit, the inside of each power distribution controller comprises an APFC converter, two 220V direct current choppers and a 12V direct current chopper, the APFC converters are connected with external alternating current through the connecting plug, the APFC converters are connected with one 220V direct current chopper for over-current, the 220V direct current choppers are connected with an external boundary body through the connecting plug, the output end of each APFC converter is connected with the 12V direct current chopper, the output end of each 220V direct current chopper connected with the connecting plug is connected with another 220V direct current chopper for voltage regulation, and a storage battery for electricity storage and discharging is connected between each 12V direct current chopper and each 220V direct current chopper for voltage regulation.
As a further improvement of the technical scheme, the connecting plug comprises a connecting plate, wherein the middle plug block with a plurality of through holes is fixedly connected to the upper side of the middle part of one side of the connecting plate, and metal connecting sheets are arranged inside the through holes in the middle plug block.
As a further improvement of the technical scheme, a plurality of wire end insertion pipes fixed on the connecting plate are arranged on two sides of the middle insertion block, and the wire end insertion pipes arranged on two sides of the middle insertion block are respectively connected with one ends of the APFC converter and the 220V direct current chopper through wires.
As a further improvement of the technical scheme, the mounting notches are formed in the two ends of the connecting plate, the connecting plate is attached to the side wall of the power supply placing shell, and the connecting plate is fixed to the power supply placing shell by penetrating the mounting notches through the screws.
As a further improvement of the technical scheme, a positioning plugboard for clamping and positioning is fixedly connected to the opposite angle on one side of the connecting plate, and the positioning plugboard is made of insulating materials.
As a further improvement of the technical scheme, the storage battery is arranged in the power supply placing shell, and a plurality of battery installation conducting bars used for positioning the power distribution controller and the storage battery are arranged between the storage battery and the power distribution controller.
As a further improvement of the technical scheme, two control switches are arranged on one side of the power supply placing shell, the control switches and the connecting plug are arranged on the same side of the power supply placing shell, and the two control switches are respectively arranged on conductors connected with the APFC converter, the 220V direct current chopper for over-current and the connecting plug.
As a further improvement of the technical scheme, a battery anti-reverse protector is connected to the storage battery and is respectively connected with a 12V direct current chopper and a 220V direct current chopper for voltage regulation.
As a further improvement of the technical scheme, a charging fuse is connected between the battery anti-reflection protector and the 12V direct current chopper, and a discharging fuse is connected between the battery anti-reflection protector and the storage battery.
Compared with the prior art, the invention has the beneficial effects that:
1. in this high-safety type module group DC power supply, connect a plurality of batteries together in parallel, make every battery become the unit of a use, when one of them battery breaks down, be convenient for change the battery that breaks down, and when changing the battery, need not close whole circuit, the change of battery has been made things convenient for, the direct current chopper of 12V that sets up simultaneously adjusts voltage, and store the electric energy that the voltage regulation is good in the battery, when the phenomenon of circuit occurrence feed, the battery outwards outputs voltage in order to maintain the voltage of circuit, guarantee the steady operation of circuit.
2. In this high security type module group DC power supply, through the inside circuit connection of connecting plug and distribution controller that sets up, when maintenance personal detects the battery, only need with detection device's circuit and connecting plug connection, just can detect the battery to maintenance personal's on-the-spot operation reduces the battery and detects the time, accelerates the battery detection rate, and then has avoided the condition that the battery that causes because of long-time detection battery leaks the detection, ensures that every battery is all detected and maintained.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1 of the present invention;
FIG. 2 is a front view schematically showing the overall structure of embodiment 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of the whole structure of embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a connection plug according to embodiment 1 of the present invention;
fig. 5 is a schematic diagram of an internal circuit of a power distribution controller according to embodiment 1 of the present invention.
The meaning of each reference sign in the figure is:
1. a power supply placement housing; 2. a power distribution controller; 3. a connection plug; 31. a connecting plate; 32. a middle plug block; 33. positioning the plugboard; 34. a thread end cannula; 35. a mounting notch; 4. a storage battery; 5. a control switch; 6. and (5) installing a conducting bar on the battery.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1-5, a high-safety module direct current power supply is provided, which comprises a plurality of power supply placing shells 1, a power distribution controller 2 is arranged in the power supply placing shells 1, one side of each power supply placing shell 1 is provided with a connecting plug 3 for connecting a circuit, the inside of each power distribution controller 2 comprises an APFC converter, two 220V direct current choppers and a 12V direct current chopper, the APFC converters are connected with external alternating current through the connecting plug 3, the APFC converters are connected with one 220V direct current chopper for over-current, the 220V direct current choppers are connected with an external boundary body through the connecting plug 3, the output end of each APFC converter is connected with the 12V direct current chopper, the output end of each 220V direct current chopper connected with the connecting plug 3 is connected with another 220V direct current chopper for voltage regulation, a storage battery 4 for storing electricity and discharging is connected between each 220V direct current chopper and the 220V direct current chopper for voltage regulation, one side of the power supply placing shells 1 is provided with a switch 5 for the connecting the corresponding 220V chopper and the corresponding to the corresponding battery, and the two anti-current chopper for protection are connected with the battery 4, and the anti-current chopper for protection is connected with the battery 4;
the voltage entering the storage battery 4 is processed through the power distribution controller 2, the storage battery 4 is charged, and when the circuit fails, the power in the storage battery 4 is extracted through the power distribution controller 2, so that the storage battery 4 supplies electric energy to the circuit, and the normal use of the circuit is ensured.
In addition, the connecting plug 3 comprises a connecting plate 31, a middle inserting block 32 with a plurality of through holes formed in the upper side is fixedly connected to the middle part of one side of the connecting plate 31, metal connecting sheets are arranged in the through holes in the middle inserting block 32, a plurality of wire head inserting pipes 34 fixed on the connecting plate 31 are arranged on two sides of the middle inserting block 32, the wire head inserting pipes 34 arranged on two sides of the middle inserting block 32 are respectively connected with one ends of an APFC converter and a 220V direct current chopper through wires, mounting gaps 35 are formed in two ends of the connecting plate 31, the connecting plate 31 is attached to the side wall of the power supply placing shell 1, the connecting plate 31 is fixed on the power supply placing shell 1 through screws penetrating through the mounting gaps 35, a positioning inserting plate 33 for clamping and positioning is fixedly connected to the opposite corners of one side of the connecting plate 31, the positioning inserting plate 33 is made of insulating materials, and the insulating materials are preferably made of rubber materials;
the detection device is connected with the detection circuit through the connecting plug 3, so that the trouble that a maintenance person connects the detection device with the storage battery 4 is reduced, the circuit connection of the storage battery 4 is quickened, the detection of the storage battery 4 is quickened, the total detection time of the storage battery 4 is reduced, and the situation that the maintenance person leaks to detect the storage battery 4 due to the long-time detection of the storage battery 4 is avoided.
Further, the battery 4 sets up the inside at the shell 1 is placed to the power, and is provided with a plurality of battery installation conducting bar 6 that are used for carrying out the location to distribution controller 2 and battery 4 between battery 4 and the distribution controller 2, fixes a position distribution controller 2 and the position of battery 4 through battery installation conducting bar 6, makes the device in the in-process of transport, and the position of distribution controller 2 and battery 4 can not take place to remove, ensures the correct use of device.
When the APFC converter is used, when the APFC converter cannot receive external alternating current, the 220V direct current chopper for voltage regulation extracts energy in the storage battery 4 to supply power to the circuit, and after receiving the electric energy of the storage battery 4, the 220V direct current chopper for voltage regulation outputs 222V voltage to the circuit, and the long-time working current 2A ensures that the storage battery 4 compensates the voltage of the circuit when the circuit cannot receive or feeds electricity, so that the circuit can be normally used;
when maintenance personnel carry out fault detection to the storage battery 4, the maintenance personnel are mutually spliced together the port of the connecting line of the detection device and the connecting plug 3, so that a circuit in the detection device is connected with the storage battery 4, the trouble of circuit connection between the detection circuit and the storage battery 4 is reduced, the line communication speed of the storage battery 4 and the detection device is accelerated, the total time for detecting the storage battery 4 is further shortened, and the detection speed of the storage battery 4 is accelerated.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a high safety formula module group DC power supply, includes a plurality of power and places shell (1), its characterized in that: a power distribution controller (2) is arranged in the power supply placing shell (1), a connecting plug (3) for connecting a circuit is arranged on one side of the power supply placing shell (1), the inside of the power distribution controller (2) comprises an APFC converter, two 220V direct current choppers and a 12V direct current chopper, the APFC converter is connected with external alternating current through the connecting plug (3), the APFC converter is connected with one 220V direct current chopper for over-current, the 220V direct current chopper is connected with an external boundary body through the connecting plug (3), the output end of the APFC converter is connected with the 12V direct current chopper, the output end of the 220V direct current chopper connected with the connecting plug (3) is connected with the other 220V direct current chopper for voltage regulation, and a storage battery (4) for electricity storage and discharge is connected between the 12V direct current chopper and the 220V direct current chopper for voltage regulation;
the connecting plug (3) comprises a connecting plate (31), wherein a middle inserting block (32) with a plurality of through holes is fixedly connected to the middle part of one side of the connecting plate (31), and metal connecting sheets are arranged in the through holes in the middle inserting block (32);
both sides of the middle plug block (32) are provided with a plurality of wire end insertion pipes (34) fixed on the connecting plate (31), and the wire end insertion pipes (34) arranged at both sides of the middle plug block (32) are respectively connected with one ends of the APFC converter and the 220V direct current chopper through wires;
mounting notches (35) are formed in two ends of the connecting plate (31), the connecting plate (31) is attached to the side wall of the power supply placing shell (1), and the connecting plate (31) is fixed to the power supply placing shell (1) by penetrating the mounting notches (35) through screws.
2. The high-safety module group direct current power supply according to claim 1, wherein: a positioning plugboard (33) for clamping and positioning is fixedly connected to the opposite angle of one side of the connecting plate (31), and the positioning plugboard (33) is made of insulating materials.
3. The high-safety module group direct current power supply according to claim 1, wherein: the storage battery (4) is arranged in the power supply placing shell (1), and a plurality of battery installation conducting bars (6) used for positioning the power distribution controller (2) and the storage battery (4) are arranged between the storage battery (4) and the power distribution controller (2).
4. The high-safety module group direct current power supply according to claim 1, wherein: one side of the power supply placing shell (1) is provided with two control switches (5), the control switches (5) and the connecting plug (3) are arranged on the same side of the power supply placing shell (1), and the two control switches (5) are respectively arranged on conductors connected with the APFC converter, the 220V direct current chopper for over-current and the connecting plug (3).
5. The high-safety module group direct current power supply according to claim 1, wherein: the storage battery (4) is connected with a battery anti-reverse protector, and the battery anti-reverse protector is respectively connected with a 12V direct current chopper and a 220V direct current chopper for voltage regulation.
6. The high-safety module group dc power supply according to claim 5, wherein: a charging fuse is connected between the battery anti-reflection protector and the 12V direct current chopper, and a discharging fuse is connected between the battery anti-reflection protector and the storage battery (4).
Priority Applications (1)
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CN202111164792.2A CN113922476B (en) | 2021-09-30 | 2021-09-30 | High-safety module group direct-current power supply |
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CN202111164792.2A CN113922476B (en) | 2021-09-30 | 2021-09-30 | High-safety module group direct-current power supply |
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CN113922476A CN113922476A (en) | 2022-01-11 |
CN113922476B true CN113922476B (en) | 2024-03-26 |
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Citations (8)
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JP2006094683A (en) * | 2004-09-27 | 2006-04-06 | Toshiba Mitsubishi-Electric Industrial System Corp | Uninterruptible power supply |
CN106300329A (en) * | 2016-08-30 | 2017-01-04 | 中国科学院上海微系统与信息技术研究所 | Photovoltaic autonomous intelligence electric power system and method for supplying power to |
CN106549501A (en) * | 2016-12-09 | 2017-03-29 | 国网安徽省电力公司池州供电公司 | For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply |
CN106787040A (en) * | 2016-12-05 | 2017-05-31 | 深圳市泰昂能源科技股份有限公司 | DC power system |
CN209016796U (en) * | 2018-12-10 | 2019-06-21 | 厦门众芯电气设备有限公司 | A kind of direct current cabinet with fault cues function |
CN110323638A (en) * | 2019-07-30 | 2019-10-11 | 威海宝源电气有限公司 | A kind of rigid power connector of bus duct |
CN211089207U (en) * | 2020-01-08 | 2020-07-24 | 长沙电牛能源科技有限公司 | Parallel charging module and double-mixed type direct current screen system applying same |
CN214045032U (en) * | 2020-12-21 | 2021-08-24 | 河南隆鑫电力设备有限公司 | Novel intelligent direct current of transformer substation screen |
-
2021
- 2021-09-30 CN CN202111164792.2A patent/CN113922476B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006094683A (en) * | 2004-09-27 | 2006-04-06 | Toshiba Mitsubishi-Electric Industrial System Corp | Uninterruptible power supply |
CN106300329A (en) * | 2016-08-30 | 2017-01-04 | 中国科学院上海微系统与信息技术研究所 | Photovoltaic autonomous intelligence electric power system and method for supplying power to |
CN106787040A (en) * | 2016-12-05 | 2017-05-31 | 深圳市泰昂能源科技股份有限公司 | DC power system |
CN106549501A (en) * | 2016-12-09 | 2017-03-29 | 国网安徽省电力公司池州供电公司 | For the intelligent management monitoring unit and transformer substation communication power-supply system of communication power supply |
CN209016796U (en) * | 2018-12-10 | 2019-06-21 | 厦门众芯电气设备有限公司 | A kind of direct current cabinet with fault cues function |
CN110323638A (en) * | 2019-07-30 | 2019-10-11 | 威海宝源电气有限公司 | A kind of rigid power connector of bus duct |
CN211089207U (en) * | 2020-01-08 | 2020-07-24 | 长沙电牛能源科技有限公司 | Parallel charging module and double-mixed type direct current screen system applying same |
CN214045032U (en) * | 2020-12-21 | 2021-08-24 | 河南隆鑫电力设备有限公司 | Novel intelligent direct current of transformer substation screen |
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