CN111009941A - Little electric wire netting power supply system of power distribution station - Google Patents
Little electric wire netting power supply system of power distribution station Download PDFInfo
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- CN111009941A CN111009941A CN201911228647.9A CN201911228647A CN111009941A CN 111009941 A CN111009941 A CN 111009941A CN 201911228647 A CN201911228647 A CN 201911228647A CN 111009941 A CN111009941 A CN 111009941A
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
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- 230000005611 electricity Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 8
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- 238000006243 chemical reaction Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 2
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- 239000011359 shock absorbing material Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
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- 239000001257 hydrogen Substances 0.000 description 1
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- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a micro-grid power supply system of a power distribution station, which comprises an inverter, a solar cell panel and a storage battery pack consisting of a plurality of storage batteries, wherein a cell panel interface electrically connected with the solar cell panel is arranged on the inverter, positive and negative interfaces electrically connected with the storage battery pack are arranged on the inverter, and a mains supply input interface and a power utilization output interface are also arranged on the inverter; meanwhile, the storage battery can be subjected to overcharge through the battery protection mechanism, so that when the storage battery is heated or is used for a long time to cause internal short circuit expansion, the charging interface can be disconnected rapidly, battery damage information can be provided rapidly, and further protection and maintenance of the storage battery can be realized.
Description
Technical Field
The embodiment of the invention relates to the field of power distribution stations, in particular to a micro-grid power supply system of a power distribution station.
Background
The power distribution station is a power distribution station, and the task of the power distribution station is to transmit electricity to electric equipment or users, namely, the power distribution station can receive, distribute, control and protect the electric energy in the use process, but does not transform the electric energy, in order to realize the purposes of distribution, control and the like, a plurality of components such as switches and the like need to be used, and the components such as the switches and the like need to be installed by using a switch cabinet in the realization process, when the power distribution station is used, once the electric equipment or the users cannot be electrified due to the condition of disconnection and the like of a mains supply, the power supply is only supplied by a micro-grid power supply system, the micro-grid power supply system is also translated into a micro-grid power supply system, and the micro-grid power supply system refers to a small-sized power generation and distribution system consisting of a distributed power supply, an energy storage device, an energy conversion device, a load, a monitoring and protection device and the like, wherein solar energy-electric energy conversion is more.
However, in the process of converting solar energy into electric energy, the solar energy is normally converted into the electric energy by means of the solar cell panel and the inverter, and then the electric energy is introduced into the storage battery, the solar cell panel and the inverter are often connected by a power line, and the conventional power line cannot perform protection operation of overcharge or battery short circuit in the process of introducing the electric energy into the storage battery, so that the service life of the storage battery is shortened due to the fact that the internal pressure of the battery is increased or the battery expands and heats if the conventional storage battery is charged continuously after being fully charged.
Disclosure of Invention
Therefore, the embodiment of the invention provides a micro-grid power supply system of a power distribution station, which aims to solve the problem that in the prior art, after the existing storage battery in the power supply system is fully charged, if the storage battery is continuously charged, the internal pressure of the storage battery is easily increased or the storage battery is expanded and heated, so that the service life of the storage battery is shortened.
In order to achieve the above object, an embodiment of the present invention provides the following:
a micro-grid power supply system of a power distribution station comprises an inverter, a solar cell panel and a storage battery pack consisting of a plurality of storage batteries, wherein a cell panel interface electrically connected with the solar cell panel is arranged on the inverter, positive and negative interfaces electrically connected with the storage battery pack are arranged on the inverter, and a mains supply input interface and a power utilization output interface are also arranged on the inverter;
solar cell panel is including the separation section of thick bamboo that mounting bracket, tip and the mounting bracket of installation panel are connected and install the connecting cover of separating a section of thick bamboo other end and being connected with cubical switchboard surface, the dc-to-ac converter be located the connecting cover and with the inner wall lug connection of connecting cover the joint protection mechanism who is connected with the dc-to-ac converter is installed to the inner wall of connecting cover, just one side surface mounting that the dc-to-ac converter was kept away from to the connecting cover has battery protection mechanism.
As a preferred scheme of the present invention, the connector protection mechanism includes a contact bar connected to the positive and negative electrode connectors, and a fixing plate mounted on an inner wall of the connecting cover, a rotating block group is mounted on a surface of one end of the fixing plate close to the contact bar, a battery charging bar having an L-shaped cross section is mounted on a surface of the rotating block group, an adjusting rod is connected to the rotating block group, a plurality of communicating posts having an L-shaped structure are mounted on the adjusting rod, a pulling frame is connected to a side of the communicating posts away from the inverter, a magnetic block is mounted at an end of the pulling frame away from the communicating posts, and an electromagnetic block frame for attracting the magnetic block is mounted on a surface of one end of the fixing plate away from the contact bar.
As a preferable scheme of the invention, the pulling frame comprises a bearing plate arranged on the surface of the fixing plate and a sliding pull column penetrating through the bearing plate, one end of the sliding pull column close to the communication column is provided with a column-connecting pull strip in an L-shaped structure, and the other end of the sliding pull column is connected with the magnet.
As a preferable scheme of the invention, a pushing plate is installed on the side wall of the sliding pull column, and an elastic block which is in a U-shaped structure and connected with the pushing plate is installed on the surface of the bearing plate.
As a preferable scheme of the present invention, the electromagnetic block frame comprises a magnetic block mounting block having a u-shaped cross section and connected to the fixing plate, and an electromagnetic block connected to the magnetic block mounting block, wherein a conductive bar is mounted on an inner wall of the magnetic block mounting block, and a timing switch is mounted on the magnetic block mounting block.
As a preferred scheme of the present invention, the battery protection mechanism includes an installation bag cover for installing the storage battery, and a curved elastic sheet located under the installation bag cover and connected to an inner wall of the connection cover, the inner wall of the installation bag cover is provided with a fixed card cover, the inner surface of the bottom of the fixed card cover is provided with a heat conduction strip, the surface of the heat conduction strip is provided with an expansion cylinder penetrating through the installation bag cover, the inner wall of the expansion cylinder is connected with a movable push column having a T-shaped structure and an end penetrating to the surface of the curved elastic sheet, and the curved elastic sheet is provided with a guide strip connected to the conductive strip.
As a preferable scheme of the present invention, the side wall of the heat conducting strip is connected with a plurality of pushing strips, and the side wall of the fixing clip cover is provided with a pushing strip moving groove.
As a preferable scheme of the invention, the inner wall of one end of the expansion air cylinder far away from the movable push column is provided with a heat dissipation column, and the side wall of the heat dissipation column is provided with a plurality of heat dissipation strips.
In a preferred embodiment of the present invention, the pushing bar has a u-shaped structure.
The embodiment of the invention has the following advantages:
according to the invention, the joint protection mechanism is arranged, so that when the solar cell panel charges the storage battery, the interval type charging operation can be carried out, when the operation is specific, the charging time of different time periods is set on the timing switch, once the set time is exceeded, the electromagnetic block can be started to attract the magnetic block to move, the magnetic block drives the pulling frame to move to pull and deflect the communication column, and then the communication column can be separated from the contact bar and the battery charging bar;
and still can pass through battery protection mechanism for when the battery overcharges and generates heat or uses for a long time and lead to inside short circuit inflation, can break off the interface that charges rapidly, in order to realize the further protection to the battery, during its concrete operation, if the battery generates heat and produces high temperature or the battery short circuit causes the inflation, high temperature can make the gas inflation in the inflation inflator and promote crooked shell fragment activity and make the electromagnetic block start in order to realize the protection of opening circuit, the battery of inflation can push away and promote the strip simultaneously, make its extrusion installation bag cover, in order to make the user change the battery that damages immediately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
Fig. 1 is a circuit diagram of a micro grid power supply system according to an embodiment of the invention;
FIG. 2 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 3 is a top view of an adjustment lever according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional front view of a battery protection mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a joint protection mechanism according to an embodiment of the present invention.
In the figure:
1-a solar panel; 2-an inverter; 3-a storage battery; 4-a joint protection mechanism; 5-a battery protection mechanism;
101-a mounting frame; 102-a separation cylinder; 103-connecting cover;
401-contact bar; 402-a fixed plate; 403-group of rotation blocks; 404-battery charging bar; 405-adjusting the rod; 406-a communication post; 407-pulling frame; 408-magnetic block; 409-an electromagnetic block frame; 410-a carrier plate; 411-sliding pull column; 412-bracing with columns; 413-a push plate; 414-bullet block; 415-a magnetic block mounting block; 416-an electromagnetic block; 417-conductive strip; 418-timing switch;
501, mounting a bag cover; 502-bending the spring plate; 503-fixing the card cover; 504-heat conducting strips; 505-an inflatable gas cylinder; 506-movable push posts; 507-a guide bar; 508-push bar; 509-push bar active slot; 510-a heat-dissipating stud; 511-Heat sink bar.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the embodiment provides a microgrid power supply system of a distribution substation, which enables a solar panel 1 to perform an interval type charging operation when a storage battery is charged by the solar panel through a joint protection mechanism 4, so as to avoid the occurrence of a situation that the service life of the storage battery is reduced due to long-time overcharge; meanwhile, the battery protection mechanism 5 can be used for rapidly disconnecting the charging interface when the storage battery is overcharged and generates heat, so that the storage battery can be further protected.
As shown in fig. 1, the solar energy storage device comprises an inverter 2, a solar panel 1 and a storage battery pack consisting of a plurality of storage batteries 3, wherein the inverter 2 can select a common solar inverter (specifically, an inversion/charging integrated machine) on the market, the direct current generated by the solar panel can be converted into alternating current used by household appliances, in order to stabilize the current converted by the inverter 2, a current stabilizer can be installed between the solar panel 1 and the inverter 2, the solar panel 1 can be specifically formed by connecting three or more panels in series, the storage battery pack is also formed by connecting a plurality of storage batteries 3 in series, and the specific circuit connection can be as shown in fig. 1.
The inverter 2 is provided with a panel interface electrically connected with the solar panel 1, the panel interface consists of two panels and is respectively connected with the positive electrode and the negative electrode of the solar panel 1, at the moment, electricity converted by the solar panel 1 can be led into the panel interface through a power cord, so that the electricity can be led into the inverter 2 and can be used for charging the storage battery pack through the inverter 2, the inverter 2 is provided with positive and negative electrode interfaces electrically connected with the storage battery pack, the positive and negative electrode interfaces consist of a +48V positive electrode input port and a 0V negative electrode input port, the two input ports are respectively connected with the positive electrode and the negative electrode of the storage battery pack so as to be used by electrical appliances or users, the inverter 2 is further provided with a mains supply input interface and an electrical output interface, and the electrical output interface can be set as a.
The operation flow of the micro-grid power supply system is that after the solar panel 1 is subjected to photoelectric conversion, the solar panel can be firstly led into the inverter 2 through the panel interface, then the electricity in the inverter 2 enters the storage battery pack through the positive and negative electrode interfaces, and when the power failure occurs to the commercial power, the storage battery pack can output electricity to the electrical appliance (at the moment, the inverter 2 can play a role, and the direct current is converted into the alternating current used by the electrical appliance).
As shown in fig. 2, the solar cell panel 1 includes a mounting frame 101 for mounting a cell panel (the cell panel is a common solar cell panel on the market, a plurality of cell panels are provided, and a plurality of cell panels are connected in series, and the connection line of the cell panels can be as shown in fig. 1), a separation cylinder 102 whose end is connected with the mounting frame 101 (a current stabilizer can be mounted in the separation cylinder 102 to stabilize the current converted by the inverter 2), and a connection cover 103 which is mounted at the other end of the separation cylinder 102 and is connected with the surface of the switch cabinet, the connection hood 103 may be configured as shown in fig. 1, with one side open and connected to a surface of the electrical cabinet, the inverter 2 is located inside the connection cover 103 and directly connected to the inner wall of the connection cover 103, a joint protection mechanism 4 connected to the inverter 2 is attached to an inner wall of the connection cover 103, and a battery protection mechanism 5 is installed on one side surface of the connecting cover 103 far away from the inverter 2.
When the solar cell panel 1 is used, light energy can be directly converted into electric energy through the solar cell panel, then the electric energy is led into the storage battery through the inverter 2, and a power supply led into the storage battery can be protected through the joint protection mechanism 4 and the battery protection mechanism 5, so that when the storage battery is charged by the solar cell panel 1, interval charging operation can be carried out, and the condition that the service life of the storage battery is reduced due to long-time overcharging is avoided; meanwhile, when the storage battery is overcharged and heated or is used for a long time to cause internal short circuit expansion, the charging interface can be disconnected quickly, so that the storage battery is further protected.
As shown in fig. 2, 3 and 5, the joint protection mechanism 4 includes a contact strip 401 connected to the positive and negative electrode interfaces, the main structure of the contact strip 401 is a copper platform, as shown in fig. 5, and a copper column is installed on the copper platform strip, when the contact strip 401 is connected with the positive and negative electrode interfaces, it can be connected through a power line, that is, the copper column on the contact strip 401 can be connected with one end of the power line, and the other end of the power line is connected with the corresponding positive and negative interfaces (i.e. connected with the positive input port of +48V and the negative input port of 0V), at this time, the electricity converted by the solar panel 1 is directly led into the inverter 2 through the power line, then the inverter 2 transmits the electricity to the contact strip 401, if the storage battery is charged, the electricity is realized by the joint protection mechanism 4, instead of directly connecting to the power line, and a fixing plate 402 installed at the inner wall of the connection cover 103.
The surface of one end of the fixed plate 402 close to the contact bar 401 is provided with a rotating block group 403, the surface of the rotating block group 403 is provided with a battery charging bar 404 with an L-shaped cross section, the battery charging bar 404 is respectively and correspondingly connected with a +48V positive input port and a 0V negative input port, the rotating block group 403 is connected with an adjusting rod 405, the adjusting rod 405 mainly comprises a plurality of rotating columns and arc-shaped mounting blocks positioned between two adjacent rotating columns, the arrangement is convenient for the installation of the communicating columns 406, the number of the communicating columns 406 can be two, one of the communicating columns can be connected with the +48V positive input port, the other communicating column can be connected with the negative input port, the adjusting rod 405 is provided with a plurality of communicating columns 406 with an L-shaped structure, one side of the communicating columns 406 far away from the inverter 2 is connected with a pulling frame 407, one end of the pulling frame 407 far away from the communicating columns 406 is provided with a magnetic block 408, an electromagnetic block frame 409 for attracting the magnetic block 408 is arranged on one end surface of the fixing plate 402 far away from the contact bar 401.
When the connector protection mechanism 4 is in normal use, the pulling frame 407 pushes the communication column 406, so that two ends of the communication column 406 are respectively connected with the contact strip 401 and the battery charging strip 404, at this time, the inverter 2 can input electricity into the battery charging strip 404 through the communication column 406, so that the battery pack can be charged, since the electromagnetic block frame 409 comprises the magnetic block mounting block 415 with the U-shaped cross section and connected with the fixing plate 402, and the electromagnetic block 416 connected with the magnetic block mounting block 415, and a timing switch 418 is installed on the magnetic block mounting block 415, the timing switch 418 can select an electronic timing switch, which can cycle through the day or week and control the electromagnetic block frame 409 for multiple periods of time, so that when the user sets the timer switch 418, once the charging time of the battery pack reaches a set time, the electromagnetic block 416 is activated to generate a magnetic force and attract the magnetic block 408 to move, so that the magnetic block mounting block 415 moves with the pulling frame 407.
As shown in fig. 2, 3 and 5, since the pulling frame 407 includes a bearing plate 410 mounted on the surface of the fixing plate 402 (the bearing plate 410 is used to bear a sliding pull column 411, so that the sliding pull column 411 can only slide left and right along the bearing plate 410) and a sliding pull column 411 penetrating the bearing plate 410, one end of the sliding pull column 411 close to the communication column 406 is mounted with a column connecting pull strip 412 in an L-shaped structure, and the other end of the sliding pull column 411 is connected with the magnetic block 408, once the magnetic block 408 is attracted, the sliding pull column 411 is driven to move towards the magnetic block mounting block 415, at this time, the movable sliding pull column 411 pulls the column connecting pull strip 412 and the communication column 406 to move together, and when the communication column 406 is forced to move, the adjusting rod 405 is used as a center to make a deflection motion, and then, both ends of the communication column 406 are simultaneously separated from the contact strip 401 and the battery charging strip 404, thereby implementing a circuit breaking protection operation, afterwards, in case the break time reaches the setting value, then the operation of charging once more, so circulation can avoid long-time overcharge to lead to the condition that battery life reduces to take place, whole operation process is simple and convenient simultaneously, and equipment need not receive the model influence of battery when overhauing.
As shown in fig. 2, 3 and 5, a push plate 413 is installed on a side wall of the sliding pull column 411, an elastic block 414 which is in a U-shaped structure and connected with the push plate 413 is installed on the surface of the bearing plate 410, when the electromagnetic block 416 is activated, the push plate 413 moves towards the magnetic block installation block 415 along with the sliding pull column 411, at this time, the elastic block 414 is compressed, and then once the electromagnetic block 416 is closed, the elastic block 414 is reset, so that two ends of the communication column 406 are simultaneously connected with the contact bar 401 and the battery charging bar 404.
As shown in fig. 2 and 4, the battery protection mechanism 5 includes a mounting bag cover 501 for mounting the battery 3 and a curved elastic sheet 502 located directly under the mounting bag cover 501 and connected to the inner wall of the connection cover 103, the mounting bag cover 501 can provide a certain thermal insulation function, so that the external environment does not affect the battery (i.e. the thermal insulation material can be filled with and a shock absorbing material (the shock absorbing material is tightly attached to the battery, and optionally gas or sponge)), the curved elastic sheet 502 is present to make the relationship between the battery protection mechanism 5 and the connector protection mechanism 4 tighter, the curved elastic sheet 502 can be regarded as an operating mechanism, and the mounting bag cover 501 and the mechanism located in the mounting bag cover 501 can be regarded as a detection device, and once the detection device detects the battery is out of order, the open circuit protection operation can be performed by the operating mechanism.
The inner wall of the mounting bag cover 501 is provided with a fixing card cover 503, the inner surface of the bottom of the fixing card cover 503 is provided with a heat conducting strip 504, the surface of the heat conducting strip 504 is provided with an expansion air cylinder 505 penetrating through the mounting bag cover 501, the expansion air cylinder 505 can be filled with gas with a large expansion rate (the number of the gas can be multiple), such as hydrogen, and the like, as long as the purpose of expansion can be achieved by heating, the bending elastic sheet 502 can select an elastic sheet with a large deformation amount, meanwhile, the bending elastic sheet 502 is in insulation connection with the guide strip 507, the inner wall of the expansion air cylinder 505 is connected with a movable push column 506 which is in a T-shaped structure, the end part of the movable push column penetrates through the surface of the bending elastic sheet 502, and the guide strip 507 connected with the conductive strip.
The battery protection mechanism 5 can protect the battery from over-high temperature, during the specific operation, once the battery is over-charged to generate a large amount of heat, the heat conducting strip 504 can absorb heat rapidly, and then the gas in the expansion gas cylinder 505 can expand rapidly to push the bending spring plate 502 gradually (under the normal condition, the bending spring plate 502 and the movable push column 506 cling together, and in order to avoid the automatic disconnection during the misoperation or normal operation, a traction spring can be arranged between the movable push column 506 and the bottom end of the expansion gas cylinder 505, when the temperature is raised to a certain height, the expansion degree of the gas is large at the moment, the self resistance of the bending spring plate 502 and the pulling force of the traction spring are overcome, and the protection operation can be carried out).
And because the inner wall of the magnetic block mounting block 415 is provided with the conductive bar 417, the bent elastic bending piece 502 with the guide bar 507 is gradually connected with the conductive bar 417, then the electromagnetic block 416 is started, the conductive bar 417 and the timing switch 418 are both connected with the electromagnetic block 416, and the two can be connected in parallel on the electromagnetic block 416, and the source for supplying power to the two can be selected from a storage battery and the like.
The side wall of the heat conducting strip 504 is connected with a plurality of pushing strips 508, the pushing strips 508 are U-shaped structures, the U-shaped structures are arranged to provide a fixing protection effect for the storage battery pack, so that the storage battery pack cannot be taken out easily, the side wall of the fixing clamp cover 503 is provided with pushing strip movable grooves 509, when the storage battery is expanded due to internal short circuit, the pushing strips 508 can be pushed by the outer wall of the protruding storage battery to slide into the pushing strip movable grooves 509, and the bag cover 501 is installed in an extruding mode to generate a certain deformation amount, so that a user can visually see the damage condition of the storage battery, and convenience is brought to subsequent overhaul.
The expansion cylinder 505 is provided with a heat dissipation column 510 on the inner wall of one end far away from the movable push column 506, the side wall of the heat dissipation column 510 is provided with a plurality of heat dissipation strips 511, and the heat dissipation column 510 and the heat dissipation strips 511 are arranged to increase the diffusion degree of heat in the expansion cylinder 505, so that the expansion rate of the gas is higher, namely, the open circuit protection operation is faster when the gas is overheated.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The micro-grid power supply system of the power distribution station is characterized by comprising an inverter (2), a solar cell panel (1) and a storage battery pack consisting of a plurality of storage batteries (3), wherein the inverter (2) is provided with a cell panel interface electrically connected with the solar cell panel (1), the inverter (2) is provided with a positive electrode interface and a negative electrode interface electrically connected with the storage battery pack, and the inverter (2) is also provided with a mains supply input interface and an electricity utilization output interface;
solar cell panel (1) is including the separation section of thick bamboo (102) that mounting bracket (101), tip and mounting bracket (101) of installation panel are connected and install at a separation section of thick bamboo (102) other end and with switch cabinet surface connection's connecting cover (103), inverter (2) be located connecting cover (103) and with the inner wall lug connection of connecting cover (103) the joint protection mechanism (4) of being connected with inverter (2) are installed to the inner wall of connecting cover (103), just one side surface mounting that inverter (2) were kept away from in connecting cover (103) has battery protection mechanism (5).
2. The microgrid power supply system of a power distribution station as claimed in claim 1, wherein the joint protection mechanism (4) comprises a contact bar (401) connected with positive and negative electrode interfaces and a fixing plate (402) installed on the inner wall of the connection cover (103), a rotating block group (403) is installed on one end surface of the fixing plate (402) close to the contact bar (401), a battery charging bar (404) with an L-shaped cross section is installed on the surface of the rotating block group (403), an adjusting rod (405) is connected on the rotating block group (403), a plurality of communication columns (406) with L-shaped structures are installed on the adjusting rod (405), one side of each communication column (406) far away from the inverter (2) is connected with a pulling frame (407), one end of each pulling frame (407) far away from the corresponding communication column (406) is installed with a magnetic block (408), and an electromagnetic block used for attracting the magnetic block (408) is installed on one end surface of the fixing plate (402) far away from the contact bar (401) A frame (409).
3. The microgrid power supply system of a power distribution station is characterized in that the pulling frame (407) comprises a bearing plate (410) mounted on the surface of the fixing plate (402) and a sliding pulling column (411) penetrating the bearing plate (410), one end, close to the communication column (406), of the sliding pulling column (411) is provided with a column communication pulling strip (412) in an L-shaped structure, and the other end of the sliding pulling column (411) is connected with the magnetic block (408).
4. The microgrid power supply system of a power distribution station is characterized in that a pushing plate (413) is mounted on the side wall of the sliding pull column (411), and a spring block (414) which is in a U-shaped structure and connected with the pushing plate (413) is mounted on the surface of the bearing plate (410).
5. The micro-grid power supply system of the power distribution station as claimed in claim 2, wherein the electromagnetic block frame (409) comprises a magnetic block mounting block (415) with a U-shaped cross section and connected with the fixing plate (402), and an electromagnetic block (416) connected with the magnetic block mounting block (415), the inner wall of the magnetic block mounting block (415) is provided with a conductive bar (417), and the magnetic block mounting block (415) is provided with a timing switch (418).
6. The microgrid power supply system of a power distribution station is characterized in that the battery protection mechanism (5) comprises an installation bag cover (501) used for installing a storage battery (3) and a bent elastic sheet (502) located under the installation bag cover (501) and connected with the inner wall of the connection cover (103), a fixed clamp cover (503) is installed on the inner wall of the installation bag cover (501), a heat conduction strip (504) is installed on the inner surface of the bottom of the fixed clamp cover (503), an expansion air cylinder (505) penetrating through the installation bag cover (501) is installed on the surface of the heat conduction strip (504), a movable push column (506) which is of a T-shaped structure and the end of which penetrates through the surface of the bent elastic sheet (502) is connected to the inner wall of the expansion air cylinder (505), and a guide strip (507) connected with a conductive strip (417) is installed on the bent elastic sheet (502).
7. The microgrid power supply system of a power distribution station is characterized in that a plurality of pushing strips (508) are connected to the side walls of the heat conduction strips (504), and pushing strip moving grooves (509) are formed in the side walls of the fixing card covers (503).
8. The microgrid power supply system of a power distribution station, according to claim 6, characterized in that the inner wall of the expansion cylinder (505) at one end far away from the movable pushing column (506) is provided with a heat dissipation column (510), and the side wall of the heat dissipation column (510) is provided with a plurality of heat dissipation strips (511).
9. The microgrid power supply system of a power distribution station according to claim 7, characterized in that the pushing bar (508) is in a U-shaped structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228647.9A CN111009941A (en) | 2019-12-04 | 2019-12-04 | Little electric wire netting power supply system of power distribution station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228647.9A CN111009941A (en) | 2019-12-04 | 2019-12-04 | Little electric wire netting power supply system of power distribution station |
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| CN111009941A true CN111009941A (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911228647.9A Pending CN111009941A (en) | 2019-12-04 | 2019-12-04 | Little electric wire netting power supply system of power distribution station |
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