CN111554849A - Microgrid fault recognition device connected into power system - Google Patents

Microgrid fault recognition device connected into power system Download PDF

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Publication number
CN111554849A
CN111554849A CN202010420323.1A CN202010420323A CN111554849A CN 111554849 A CN111554849 A CN 111554849A CN 202010420323 A CN202010420323 A CN 202010420323A CN 111554849 A CN111554849 A CN 111554849A
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China
Prior art keywords
box body
power system
wall
recognition device
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Withdrawn
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CN202010420323.1A
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Chinese (zh)
Inventor
方八零
孙佑华
陈庆辉
刘天航
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Huaxiang Xiangneng Technology Co Ltd
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Huaxiang Xiangneng Technology Co Ltd
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Priority to CN202010420323.1A priority Critical patent/CN111554849A/en
Publication of CN111554849A publication Critical patent/CN111554849A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6572—Peltier elements or thermoelectric devices
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • 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)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to the technical field of fault recognition devices, in particular to a microgrid fault recognition device connected into a power system, which comprises a box body, wherein a first temperature sensor is arranged on the left side of the inner wall of the box body and close to the top of the box body, a second temperature sensor is arranged on the left side of the inner wall of the box body and close to the bottom of the box body, a U-shaped mounting plate with a right opening is arranged in the middle of the right side of the inner wall of the box body, a semiconductor refrigerating sheet is arranged on the side surface of a vertical plate of the U-shaped mounting plate, a mounting box is arranged in the middle of the top of the box body, a lithium battery and. This access power system's microgrid fault recognition device can carry out temperature detection to the inside of box through first temperature sensor and second temperature sensor, can remind the inside high temperature of user's box through the warning light, in time stop storage battery work to carry out the troubleshooting to storage battery.

Description

Microgrid fault recognition device connected into power system
Technical Field
The invention relates to the technical field of fault recognition devices, in particular to a microgrid fault recognition device connected to a power system.
Background
A micro-grid for short is a concept relative to the traditional large power grid, and refers to a small power generation and distribution system which is formed by collecting a distributed power supply, an energy storage device, an energy conversion device and related load, monitoring and protection devices, can be operated in a grid-connected mode with an external power grid, and can also be operated in an isolated mode, wherein the energy storage device is mainly used for storing and releasing electric energy through the storage battery, the storage battery can release a small amount of heat in the charging and discharging process, if the storage battery has high temperature in the use process, the storage battery is abnormal in the charging or discharging process, the work of the storage battery needs to be stopped, the storage battery is overhauled, the accidents are avoided, however, the existing storage battery has no temperature anomaly detection and identification device during use, and has a large potential safety hazard.
Disclosure of Invention
The invention aims to provide a microgrid fault recognition device connected to a power system, and the microgrid fault recognition device is used for solving the problem that the conventional storage battery does not have a temperature abnormity detection and recognition device during use and has a large potential safety hazard in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a microgrid fault recognition device connected into an electric power system comprises a box body, wherein a sealing plate is in threaded connection with the front side of the box body, a first bar-shaped block is arranged at the position, close to the top, of the left side of the inner wall of the box body, a first temperature sensor is arranged in the middle of the surface of the first bar-shaped block, a second bar-shaped block is arranged at the position, close to the bottom, of the left side of the inner wall of the box body, a second temperature sensor is arranged in the middle of the surface of the second bar-shaped block, a heat radiation fan is in threaded connection with the position, close to the bottom, of the second bar-shaped block, a U-shaped fixing plate with an upward opening is arranged at the position, close to the bottom, of the rear side of the inner wall of the box body, a storage battery is arranged at the bottom of the inner wall of the box body, a, the middle part on box inner wall right side is equipped with the U-shaped mounting panel that the opening is right, the logical groove of installation has been seted up to the side of the vertical board of U-shaped mounting panel, it has the semiconductor refrigeration piece to bond in the logical inslot of installation, the face of heating of semiconductor refrigeration piece bonds and has the heat dissipation copper, the middle part on box right side is equipped with the heat dissipation window, a plurality of equidistant louvres of arranging are seted up to the right side of box and the position that is close to the bottom, the middle part at box top is equipped with the mounting box, be provided with lithium cell and singlechip in the mounting box, and the singlechip passes through wire and lithium cell electric connection, the top of box and the position that is close to the left side edge are equipped with the warning light.
Preferably, the left side of the supporting plate is attached to the right side of the U-shaped fixing plate, and two ends of the supporting plate are respectively attached to the rear side of the inner wall of the box body and the inner side of the sealing plate.
Preferably, the first temperature sensor is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
Preferably, the second temperature sensor is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
Preferably, the first high-speed mute fan is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
Preferably, the semiconductor refrigeration piece is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
Preferably, the middle upper part of the other side of the heat dissipation copper plate is vertically provided with a plurality of heat dissipation copper sheets which are arranged at equal intervals, the positions of the heat dissipation copper sheets correspond to the positions of the heat dissipation windows, and the bottom of the inner wall of the U-shaped mounting plate is provided with three second high-speed mute fans which are arranged at equal intervals.
Preferably, the second high-speed mute fan is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
Preferably, the bottom of box and the position that is close to the left side edge are equipped with the rubber landing leg of symmetric distribution, the bottom of box and the position that is close to the right side edge are equipped with the universal wheel of symmetric distribution.
Preferably, the top of the box body and the position close to the right side are provided with symmetrically distributed fixed pipes, the fixed pipes are movably connected with U-shaped pull rods, the positions, close to the top edges, of the outer walls of the circumferences of the fixed pipes are in threaded connection with pre-tightening bolts, and the end portions of the pre-tightening bolts penetrate through the outer walls of the fixed pipes and are tangent to the outer walls of the U-shaped pull rods.
Compared with the prior art, the invention has the beneficial effects that:
the microgrid fault recognition device connected with the power system can fix the position of the storage battery pack through the U-shaped fixing plate, prevent the storage battery pack from shifting in the moving process of the box body, can detect the temperature of the lower part inside the box body through the second temperature sensor, can detect the temperature of the upper part inside the box body through the first temperature sensor, can refrigerate the box body through the semiconductor chilling plate, cool the storage battery pack, prevent the storage battery pack from being rapidly damaged by high temperature, can enable cold air to rapidly flow along with wind flow through the first high-speed mute fan, rapidly cool the box body, can improve the heat dissipation efficiency of the semiconductor chilling plate through the second high-speed mute fan and the heat dissipation copper plate, thereby ensuring the refrigeration effect of the semiconductor chilling plate, and being convenient for a user to move the box body through the universal wheel and the U-shaped pull rod, the internal temperature of the box body of a user can be reminded to be too high through the early warning lamp, the storage battery pack is stopped to work in time, and fault maintenance is carried out on the storage battery pack.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the case of the present invention;
FIG. 3 is a partial schematic structural view of the present invention;
fig. 4 is a schematic view showing an assembly structure of the U-shaped mounting plate and the second high-speed silent fan in the present invention.
In the figure: the device comprises a mounting box 1, a box body 2, a sealing plate 20, rubber supporting legs 21, universal wheels 22, a heat dissipation window 23, heat dissipation holes 24, a first strip-shaped block 25, a second strip-shaped block 26, a U-shaped fixing plate 27, a supporting plate 28, a U-shaped mounting plate 29, a mounting through groove 290, an early warning lamp 3, a fixing pipe 4, a pre-tightening bolt 40, a U-shaped pull rod 41, a first temperature sensor 5, a second temperature sensor 6, a heat dissipation fan 7, a first high-speed mute fan 8, a semiconductor refrigeration sheet 9, a heat dissipation copper plate 10, a heat dissipation copper sheet 100, a second high-speed mute fan 11 and a storage battery pack 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.
In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
a microgrid fault recognition device connected to an electric power system comprises a box body 2, a sealing plate 20 is in threaded connection with the front side of the box body 2, and the sealing plate 20 is convenient to mount and dismount, so that the device inside the box body 2 can be detected and maintained, a first bar-shaped block 25 is arranged on the left side of the inner wall of the box body 2 and close to the top, a first temperature sensor 5 is arranged in the middle of the surface of the first bar-shaped block 25, temperature detection can be carried out on the upper portion inside the box body 2 through the first temperature sensor 5, a second bar-shaped block 26 is arranged on the left side of the inner wall of the box body 2 and close to the bottom, a second temperature sensor 6 is arranged in the middle of the surface of the second bar-shaped block 26, temperature detection can be carried out on the lower portion inside the box body through the second temperature sensor 6, a cooling fan 7 is in threaded connection with the left side of the inner wall, the heat generated by the normal operation of the storage battery pack 12 is blown out to the outside, a U-shaped fixing plate 27 with an upward opening is arranged at the rear side of the inner wall of the box body 2 and at a position close to the bottom, the storage battery pack 12 is arranged at the bottom of the inner wall of the U-shaped fixing plate 27, the position of the storage battery pack 12 can be fixed by the U-shaped fixing plate 27, the storage battery pack 12 is prevented from shifting in the moving process of the box body 2, a supporting plate 28 is horizontally arranged at the right side of the inner wall of the box body 2 and at a position close to the bottom, a first high-speed silent fan 8 is in threaded connection with the surface of the supporting plate 28 and at a position close to the left side edge, cold air can rapidly flow along with wind flow through the first high-speed silent fan 8 to rapidly cool the inside of the box body 2, a U-shaped mounting plate 29 with a rightward opening, the semiconductor refrigerating sheet 9 can refrigerate the interior of the box body 2 and cool the storage battery pack 12, so as to prevent the storage battery pack 12 from being rapidly damaged by high temperature, the heating surface of the semiconductor refrigerating sheet 9 is bonded with a heat dissipation copper plate 10, the middle part of the right side of the box body 2 is provided with a heat dissipation window 23, the right side of the box body 2 and the position close to the bottom are provided with a plurality of heat dissipation holes 24 which are arranged at equal intervals, so that the heat in the box body 2 can be blown out to the outside from the heat dissipation holes 24, the middle part of the top of the box body 2 is provided with a mounting box, and the singlechip passes through wire and lithium cell electric connection, and the model of singlechip is STM32F030R8T6, and the top of box 2 and the position that is close to the left side edge are equipped with early warning lamp 3, and early warning lamp 3 passes through the wire respectively with singlechip and lithium cell electric connection, and early warning lamp 3 and the end electric connection that connects of wire, the incoming end of wire and the PB14 pin electric connection of STM32F030R8T6 singlechip.
In this embodiment, the left side of the supporting plate 28 is attached to the right side of the U-shaped fixing plate 27, and both ends of the supporting plate 28 are attached to the rear side of the inner wall of the case 2 and the inner side of the sealing plate 20, respectively, so that heat does not circulate inside the case 2.
Specifically, first temperature sensor 5 passes through the wire respectively with singlechip and lithium cell electric connection, the incoming end electric connection of first temperature sensor 5 and wire, the PA1 pin electric connection of the end of connecing and the STM32F030R8T6 singlechip of wire, the signal of telecommunication that STM32F030R8T6 singlechip was 5 inputs is handled.
Specifically, second temperature sensor 6 passes through the wire respectively with singlechip and lithium cell electric connection, the incoming end electric connection of second temperature sensor 6 and wire, the PA2 pin electric connection of the end of connecing and the STM32F030R8T6 singlechip of wire, the signal of telecommunication of STM32F030R8T6 singlechip with the input of second temperature sensor 6 is handled.
Specifically, first high-speed silence fan 8 passes through the wire respectively with singlechip and lithium cell electric connection, first high-speed silence fan 8 and the lead that connects out end electric connection, the incoming end of wire and the PB1 pin electric connection of STM32F030R8T6 singlechip, the opening and closing of the first high-speed silence fan 8 of STM32F030R8T6 singlechip control.
Concretely, semiconductor refrigeration piece 9 passes through the wire respectively with singlechip and lithium cell electric connection, and semiconductor refrigeration piece 9 and the wire connect out end electric connection, the incoming end of wire and the PB10 pin electric connection of STM32F030R8T6 singlechip, opening and closing of STM32F030R8T6 singlechip control semiconductor refrigeration piece 9.
Furthermore, a plurality of heat dissipation copper sheets 100 which are arranged at equal intervals are vertically arranged at the middle upper part of the other side of the heat dissipation copper plate 10, the positions of the heat dissipation copper sheets 100 correspond to the positions of the heat dissipation windows 23, and three second high-speed mute fans 11 which are arranged at equal intervals are arranged at the bottom of the inner wall of the U-shaped mounting plate 29, so that heat on the heat dissipation copper sheets 100 can be quickly blown to the outside from the heat dissipation windows 23, and the heat dissipation efficiency of the semiconductor chilling plates 9 is improved.
Further, the high-speed mute fan 11 of second passes through the wire respectively with singlechip and lithium cell electric connection, the high-speed mute fan 11 of second and the lead that connects out end electric connection, the incoming end of wire and the PB11 pin electric connection of STM32F030R8T6 singlechip, the opening and closing of the high-speed mute fan 11 of STM32F030R8T6 singlechip control second.
Furthermore, the bottom of the box body 2 and the position close to the left side edge are provided with symmetrically distributed rubber support legs 21, and the bottom of the box body 2 and the position close to the right side edge are provided with symmetrically distributed universal wheels 22, so that the box body 2 can be moved and placed conveniently.
Besides, the top of the box body 2 is provided with the fixed pipes 4 which are symmetrically distributed at positions close to the right side, the U-shaped pull rod 41 is movably connected in the fixed pipes 4, a user can move the box body 2 conveniently, the outer wall of the circumference of each fixed pipe 4 is connected with the pre-tightening bolt 40 through threads at positions close to the edge of the top, the end of each pre-tightening bolt 40 penetrates through the outer wall of each fixed pipe 4 and is tangent to the outer wall of the U-shaped pull rod 41, and the U-shaped pull rod 41 after the position is adjusted is fixed.
When the microgrid fault recognition device connected to the power system is used, a user firstly adjusts the U-shaped pull rod 41 to a position suitable for being pulled by the user, the U-shaped pull rod 41 is fixed by the pre-tightening bolt 40, then the storage battery pack 12 is connected with other devices of the microgrid by a lead, when the temperature inside the box body 2 is abnormal, the first temperature sensor 5 or the second temperature sensor 6 inputs an electric signal to the STM32F030R8T6 single chip microcomputer by the lead, the STM32F030R8T6 single chip microcomputer processes the electric signal and then inputs the processed electric signal to the semiconductor refrigeration sheet 9, the first high-speed mute fan 8, the second high-speed mute fan 11 and the early warning lamp 3, the semiconductor refrigeration sheet 9 works to refrigerate the inside of the box body 2, under the action of the first high-speed mute fan 8, cold air can flow fast along with air flow, and cools the inside of the box body 2, so that the temperature of the storage battery pack 12, avoid storage battery 12 to be damaged by high temperature fast, under radiator fan 7's effect, heat in the box 2 is blown to the external world from louvre 24 department, the heat that the face produced is heated to semiconductor refrigeration piece 9 can transmit for heat dissipation copper 10 and heat dissipation copper sheet 100, under the effect of the high-speed silence fan 11 of second, the heat is discharged to the external world from heat dissipation window 23 department fast, thereby ensure the refrigeration effect of semiconductor refrigeration piece 9, warning light 3 can remind user's 2 inside temperature unusual of box, need in time stop storage battery 12's work, and detect storage battery 12.
The foregoing shows and describes the general principles, essential 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 embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an access electric power system's microgrid fault identification device which characterized in that: the box body comprises a box body (2), a sealing plate (20) is connected to the front side of the box body (2) in a threaded manner, a first strip-shaped block (25) is arranged on the left side of the inner wall of the box body (2) and at a position close to the top, a first temperature sensor (5) is arranged in the middle of the surface of the first strip-shaped block (25), a second strip-shaped block (26) is arranged on the left side of the inner wall of the box body (2) and at a position close to the bottom, a second temperature sensor (6) is arranged in the middle of the surface of the second strip-shaped block (26), a heat radiation fan (7) is connected to the left side of the inner wall of the box body (2) and at a position close to the bottom in a threaded manner, a U-shaped fixing plate (27) with an upward opening is arranged on the rear side of the inner wall of the box body (2) and at a position close to the bottom, a storage, the surface of the supporting plate (28) and the position close to the left side edge are in threaded connection with a first high-speed silent fan (8), the middle part of the right side of the inner wall of the box body (2) is provided with a U-shaped mounting plate (29) with a rightward opening, the side surface of the vertical plate of the U-shaped mounting plate (29) is provided with a mounting through groove (290), the mounting through groove (290) is internally bonded with a semiconductor refrigerating sheet (9), the heating surface of the semiconductor refrigerating sheet (9) is bonded with a heat dissipation copper plate (10), the middle part of the right side of the box body (2) is provided with a heat dissipation window (23), the position of the right side of the box body (2) and close to the bottom is provided with a plurality of heat dissipation holes (24) which are arranged at equal intervals, the middle part of the top of the box body (2) is provided with, the top of box (2) and the position that is close to the left side edge are equipped with early warning lamp (3), early warning lamp (3) pass through the wire respectively with singlechip and lithium cell electric connection.
2. The microgrid fault recognition device of an access power system of claim 1, wherein: the left side of the supporting plate (28) is attached to the right side of the U-shaped fixing plate (27), and two ends of the supporting plate (28) are respectively attached to the rear side of the inner wall of the box body (2) and the inner side of the sealing plate (20).
3. The microgrid fault recognition device of an access power system of claim 1, wherein: the first temperature sensor (5) is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
4. The microgrid fault recognition device of an access power system of claim 1, wherein: and the second temperature sensor (6) is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
5. The microgrid fault recognition device of an access power system of claim 1, wherein: the first high-speed mute fan (8) is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
6. The microgrid fault recognition device of an access power system of claim 1, wherein: the semiconductor refrigerating sheet (9) is electrically connected with the single chip microcomputer and the lithium battery respectively through wires.
7. The microgrid fault recognition device of an access power system of claim 1, wherein: the middle upper part of the other side of the heat dissipation copper plate (10) is vertically provided with a plurality of heat dissipation copper sheets (100) which are arranged at equal intervals, the positions of the heat dissipation copper sheets (100) correspond to the positions of the heat dissipation windows (23), and the bottom of the inner wall of the U-shaped mounting plate (29) is provided with three second high-speed mute fans (11) which are arranged at equal intervals.
8. The microgrid fault recognition device of an access power system of claim 7, wherein: and the second high-speed mute fan (11) is electrically connected with the single chip microcomputer and the lithium battery respectively through leads.
9. The microgrid fault recognition device of an access power system of claim 1, wherein: the bottom of box (2) and the position that is close to the left side edge are equipped with the rubber landing leg (21) of symmetric distribution, the bottom of box (2) and the position that is close to the right side edge are equipped with the universal wheel (22) of symmetric distribution.
10. The microgrid fault recognition device of an access power system of claim 1, wherein: the box is characterized in that symmetrically distributed fixed pipes (4) are arranged at the top of the box body (2) and close to the right side of the box body, a U-shaped pull rod (41) is movably connected into each fixed pipe (4), the outer wall of the circumference of each fixed pipe (4) and close to the edge of the top of the fixed pipe are in threaded connection with pre-tightening bolts (40), and the end portions of the pre-tightening bolts (40) penetrate through the outer wall of each fixed pipe (4) and are tangent to the outer wall of the U-shaped pull rod (41).
CN202010420323.1A 2020-05-18 2020-05-18 Microgrid fault recognition device connected into power system Withdrawn CN111554849A (en)

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Application Number Priority Date Filing Date Title
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Publication number Priority date Publication date Assignee Title
CN112413344A (en) * 2020-11-17 2021-02-26 苏州佩秋信息科技有限公司 Convenient type information advertisement machine for science and technology convenient to maintain
CN114325281A (en) * 2020-09-29 2022-04-12 深圳市帝迈生物技术有限公司 Fault detection method and device based on refrigerating sheet and computer readable storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114325281A (en) * 2020-09-29 2022-04-12 深圳市帝迈生物技术有限公司 Fault detection method and device based on refrigerating sheet and computer readable storage medium
CN112413344A (en) * 2020-11-17 2021-02-26 苏州佩秋信息科技有限公司 Convenient type information advertisement machine for science and technology convenient to maintain

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Application publication date: 20200818