CN112467699A - Overload protection device for distribution network FTU power supply - Google Patents

Overload protection device for distribution network FTU power supply Download PDF

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Publication number
CN112467699A
CN112467699A CN202011303340.3A CN202011303340A CN112467699A CN 112467699 A CN112467699 A CN 112467699A CN 202011303340 A CN202011303340 A CN 202011303340A CN 112467699 A CN112467699 A CN 112467699A
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CN
China
Prior art keywords
module
distribution network
protection device
power supply
overload protection
Prior art date
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Granted
Application number
CN202011303340.3A
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Chinese (zh)
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CN112467699B (en
Inventor
张广梅
任杰
朱皓
王磊
黄力
赵武刚
李洪
邓朴
文忠进
张祥雄
刘志斌
雷蕾
郭丽
王硕
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Priority to CN202011303340.3A priority Critical patent/CN112467699B/en
Publication of CN112467699A publication Critical patent/CN112467699A/en
Application granted granted Critical
Publication of CN112467699B publication Critical patent/CN112467699B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/14—Protecting elements, switches, relays or circuit breakers

Abstract

The invention discloses an overload protection device for a distribution network FTU power supply, which comprises a distribution network device and a protection device. The distribution network device comprises heat dissipation holes, moisture-proof cotton and a circulation assembly. The protection device comprises an input module, a detection module, a safety module and an interruption module. The device protects the output overload or short circuit caused by switch blocking, coil short circuit, wiring short circuit and the like through the protection device, can be restarted, automatically recovers output after the overload is eliminated, and intermittently extrudes and drains water on one side of the device when the water is drained through the circulating assembly, so that the phenomenon that the damp-proof cotton is extruded again when insufficient water is absorbed to influence the heat dissipation capacity of the terminal is avoided.

Description

Overload protection device for distribution network FTU power supply
Technical Field
The invention relates to the technical field of power transmission and transformation equipment, in particular to an overload protection device for a distribution network FTU power supply.
Background
The existing power distribution switch monitoring terminal (FTU for short) is installed on a column, carries out remote control, remote signaling and fault detection on a switch on the column, communicates with a power distribution automation master station, provides the running condition of a power distribution system and various parameters, namely information required by monitoring and controlling, including on-off state, electric energy parameters, phase-to-phase faults, parameters during ground faults and faults, executes commands issued by a power distribution master station, adjusts and controls power distribution equipment, and realizes the functions of fault positioning, fault isolation, quick power restoration of a non-fault area and the like. Current distribution switch monitor terminal dispels the heat through the louvre, and the rainwater easily gets into the inside internal plant that leads to of terminal through the louvre and damages the inefficacy when the rainy day. Distribution network FTU is the automatic core device of power distribution network, and its load is core device and switch, and to the switch itself, faults such as overload, short circuit often appear in loads such as its motor, release, and the distribution itself is longer, also takes place insulating damage easily and waits the trouble, causes power output overload, burns out the switch scheduling problem.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the prior art overload protection apparatus for distribution network FTU power supplies.
Therefore, one of the purposes of the invention is to solve the problems that the distribution switch monitoring terminal is easy to enter water in rainy and snowy weather to cause equipment damage, and the existing FTU power supply system is easy to have faults such as overload, short circuit and the like.
In order to solve the technical problems, the invention provides the following technical scheme: an overload protection device for a distribution network FTU power supply comprises a distribution network device, a distribution network unit and a control unit, wherein the distribution network device comprises heat dissipation holes arranged at two sides of the distribution network device, damp-proof cotton attached to the heat dissipation holes, a circulation assembly arranged at the top of the distribution network device, a discharge port arranged at the bottom of the distribution network device, a top plate arranged at the top of the distribution network device, and a water collecting plate arranged below the damp-proof cotton; the protection device comprises an input module, a detection module, a safety module and an interruption module.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the input module is electrically connected with the detection module through a first line, the insurance module is electrically connected with the detection module through a second line, and the interruption module is electrically connected with the detection module through a third line.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the input module inputs energy through the first line and the second line to maintain the operation of the device, the safety module changes the resistance value according to the current, the detection module sends a signal for controlling the opening and closing of the interruption module through detecting the resistance value of the safety module, and the interruption module controls the opening and closing of the circuit to realize the self-recovery function.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the protection device further comprises a flashing module, the flashing module is connected with the detection module, and when the detection module sends an interrupt signal to the interrupt module, the flashing module gives out light for warning.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the protection device further comprises a communication module, the communication module is connected with the detection module, the detection module sends an interrupt signal and simultaneously sends a fault signal to the communication module, and the communication module receives the signal and then transmits information to the outside.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the protection device also comprises a terminal module connected with the communication module, and the terminal module receives the information of the communication module and displays the state of the device.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the communication module adopts a notebook computer.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the circulation subassembly including set up in join in marriage the driving motor of net device one side, with lead screw that driving motor connects, with first drainage part and the second drainage part of screw connection, with first drainage part with second drainage part complex limiting bottom plate, set up in the removal recess of limiting bottom plate both sides, with remove groove connection's limiting plate, set up in the flat-top lug of limiting plate one side, and set up in the adjustment part of limiting bottom plate top.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the first drainage component and the second drainage component are consistent in structure, and the first drainage component comprises a limiting connecting block matched with the limiting bottom plate, a containing block connected with the limiting connecting block, a telescopic rod arranged in the containing block and two ends of the telescopic rod extending out of the containing block, a containing port arranged above the containing block, a sliding block matched with the containing port, an adjusting column arranged above the sliding block, a first baffle and a second baffle connected with the telescopic rod, and a spring arranged between the first baffle and the second baffle; the sliding block with telescopic link fixed connection.
As an optimized scheme of the overload protection device for the distribution network FTU power supply, the invention comprises the following steps: the adjusting part comprises a first bevel edge adjusting plate and a second bevel edge adjusting plate which are symmetrically arranged at two ends of the limiting bottom plate, a fixing plate connected with the first bevel edge adjusting plate and the second bevel edge adjusting plate, and a double bevel edge adjusting plate connected with the fixing plate.
The invention has the advantages that the protection device protects the output overload or short circuit caused by the switch blocking, the coil short circuit, the wiring short circuit and the like, can be restarted, and automatically recovers the output after the overload is eliminated. Extrude the drainage to damp-proof cotton through the circulation subassembly, prevent that the rainwater from passing through inside the damp-proof cotton infiltration terminal, extrude from both sides to the centre simultaneously through the first drainage part of motor drive and second drainage part, the moisture in the damp-proof cotton of evacuation rapidly improves work efficiency. During the drainage, one side of the water pipe is intermittently extruded and drained, and the phenomenon that the damp-proof cotton is extruded again when the damp-proof cotton is not sufficiently absorbed water to influence the heat dissipation capacity of the terminal is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a topological diagram of an overload protection device applied to a distribution network FTU power supply according to a first embodiment.
Fig. 2 is a topological diagram of an overload protection device applied to a distribution network FTU power supply according to a second embodiment.
Fig. 3 is a topological diagram of an overload protection device applied to a distribution network FTU power supply according to a third embodiment.
Fig. 4 is a scene diagram of an overload protection device of a distribution network FTU power supply.
Fig. 5 is a structural diagram of a circulating assembly of an overload protection device of a distribution network FTU power supply.
Fig. 6 is an exploded view of an overload protection device of a distribution network FTU power supply.
Fig. 7 is a partial detailed view of the structure of the circulating assembly of the overload protection device of the distribution network FTU power supply.
Fig. 8 is another view of the configuration of the circulating assembly of the overload protection device for the distribution network FTU power supply.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 8, a first embodiment of the present invention provides an overload protection device for a distribution network FTU power supply, which includes a distribution network device 100 and a protection device 200. The distribution network device 100 comprises a circulation component 103 arranged in the distribution network device, and the circulation component 103 intermittently drains four groups of damp-proof cotton 102 to realize the function of preventing rainwater leakage for a long time.
Specifically, the distribution network device 100 comprises heat dissipation holes 101 arranged at two sides of the distribution network device 100, damp-proof cotton 102 attached to the heat dissipation holes 101, and a circulating assembly 103 arranged at the top of the distribution network device 100; the damp-proof cotton 102 can absorb rain and snow permeating into the terminal, and prevent internal components from being damaged.
The protection device 200 includes an input module 201, a detection module 202, an insurance module 203, and an interruption module 204.
Further, the input module 201 is electrically connected to the detection module 202 through a first line L1, the insurance module 203 is electrically connected to the detection module 202 through a second line L2, and the interruption module 204 is electrically connected to the detection module 202 through a third line L3.
Distribution network FTU is the automatic core device of power distribution network, and its load is core device and switch, and to the switch itself, faults such as overload, short circuit often appear in loads such as its motor, release, and the distribution itself is longer, also takes place insulating damage easily and waits the trouble, causes power output overload, burns out the switch scheduling problem. This device has introduced the overload protection device who joins in marriage net FTU private power supply, can be to because switch stall, coil short circuit, the output overload or the short circuit that wiring short circuit etc. caused protect to can restart, when transshipping automatic recovery output after eliminating, the device that this device introduced is simple, low cost, can effectual protection power and load.
Further, the input module 201 inputs energy through the first line L1 and the second line L2 to maintain the operation of the device, the safety module 202 changes its resistance value according to the magnitude of the current, the detection module 202 sends a signal for controlling the opening and closing of the interruption module 204 by detecting the resistance value of the safety module 202, and the interruption module 204 controls the opening and closing of the circuit to realize the self-recovery function. The protection device 200 further comprises a flash module 205, wherein the flash module 205 is connected to the detection module 202, and when the detection module 202 sends an interrupt signal to the interrupt module 204, the flash module 205 generates a light-emitting warning. The protection device 200 further includes a communication module 206, the communication module 206 is connected to the detection module 202, the detection module 202 sends an interrupt signal and a fault signal to the communication module 206, and the communication module 206 transmits information to the outside after receiving the signal. The protection device 200 further includes a terminal module 207 connected to the communication module 206, and the terminal module 207 receives information of the communication module 206 and displays a state of the device. The communication module 206 is a notebook computer.
Preferably, the input module 201 is a current terminal, the detection module 202 is a logic detection circuit and a logic judgment circuit, the safety module 203 is a PTC self-recovery safety, and the interruption module 204 is a relay.
The core of the device is the combined application of a PTC self-recovery fuse, a relay and a logic detection judgment circuit, the PTC self-recovery fuse has the characteristics of self heating after overcurrent and increased resistance value, can block or reduce current in the first step to play a role in protecting the first step, but has slow reaction speed, cannot completely cut off the load, and can completely cut off the load output by matching with the relay.
The working principle of the relay is that after the self-recovery fuse resistance value is increased, the logic detection circuit detects that the self-recovery fuse resistance value reaches a set threshold value, the logic judgment circuit outputs low level to the relay, the relay is driven to be disconnected, and therefore load output is cut off. When the load is cut off, the load current disappears, the PTC self-recovery fuse temperature is reduced, the resistance value is recovered to be small, the logic detection circuit detects that the resistance value is lower than a set threshold value, the judgment circuit sends out a high level again, the relay is closed, the load output is recovered, and the purpose of self-recovery is achieved. The dual functions of the self-recovery fuse and the relay are fully utilized, and the dual protection function is achieved, so that the load protection is more reliable.
Further, circulation subassembly 103 including set up in the driving motor 103a of joining in marriage net device 100 one side, with lead screw 103b that driving motor 103a is connected, with first drainage part 103c and second drainage part 103d that lead screw 103b is connected, with first drainage part 103c with spacing bottom plate 103e of second drainage part 103d complex, set up in the removal recess 103f of spacing bottom plate 103e both sides, with limiting plate 103g that removal recess 103f is connected, set up in flat-top lug 103h of limiting plate 103g one side, and set up in adjustment part 103i above spacing bottom plate 103 e. The moving groove 103f is provided to facilitate movement of the expansion link 103c-3 in the first and second water discharging parts 103c and 103d, and the position limiting plate 103g is provided to limit the position of the second stopper 103 c-8. The limiting bottom plate 103e is provided with a limiting moving groove matched with the limiting connecting block 103c-1, and the limiting connecting block 103c-1 moves in the limiting moving groove under the action of the lead screw 103b through the limiting moving groove. The protective shell 103a-1 is arranged outside the driving motor 103a and used for preventing water.
Further, the first water discharging part 103c and the second water discharging part 103d have the same structure, the first water discharging part 103c comprises a limit connecting block 103c-1 matched with the limit bottom plate 103e, a containing block 103c-2 connected with the limit connecting block 103c-1, an expansion rod 103c-3 arranged in the containing block 103c-2 and with two ends extending out of the containing block 103c-2, a containing port 103c-4 arranged above the containing block 103c-2, a sliding block 103c-5 matched with the containing port 103c-4, an adjusting column 103c-6 arranged above the sliding block 103c-5, a first baffle plate 103c-7 and a second baffle plate 103c-8 connected with the expansion rod 103c-3, and a spring 103c-8 arranged between the first baffle plate 103c-7 and the second baffle plate 103c-8 c-9; the sliding block 103c-5 is fixedly connected with the telescopic rod 103 c-3. The two ends of the flat-top bump 103h are arc-shaped, the two ends of the second baffle 103c-8 are also arc-shaped, so that the flat-top bump 103h is matched with the second baffle 103c-8, the telescopic rod 103c-3 is pulled out, and the damp-proof cotton 102 is extruded by the second baffle 103c-8, thereby achieving the function of draining water. The spring 103c-9 is provided to return the second stopper 103c-8 to the original position after the pressing process is finished.
Further, the adjusting component 103i includes a first bevel-edge adjusting plate 103i-1 and a second bevel-edge adjusting plate 103i-2 symmetrically disposed at two ends of the limiting bottom plate 103e, a fixing plate 103i-3 connected to the first bevel-edge adjusting plate 103i-1 and the second bevel-edge adjusting plate 103i-2, and a double bevel-edge adjusting plate 103i-4 connected to the fixing plate 103 i-3. The limiting plates 103g are arranged into four groups, and the two groups of limiting plates 103g are arranged discontinuously. The first baffle plate 103c-7 is connected with the fixed end of the telescopic rod 103c-3, and the second baffle plate 103c-8 is connected with the telescopic end of the telescopic rod 103 c-3. The first bevel edge adjusting plate 103i-1, the second bevel edge adjusting plate 103i-2, and the double bevel edge adjusting plate 103i-4 have the same height as the adjusting post 103 c-6. The damp-proof cotton 102 and the heat dissipation holes 101 are arranged in four groups, and each group corresponds to each other. The two groups of limiting connecting blocks 103c-1 are connected with the lead screw 103b, and the threads of the two groups of limiting connecting blocks 103c-1 are opposite, so that when the lead screw 103b moves, the two groups of limiting connecting blocks 103c-1 are driven to simultaneously approach to or keep away from the center, the function of quickly extruding the damp-proof cotton 102 is realized, and the working efficiency is improved. Through setting up three hypotenuse regulating plates of group, make the regulation post 103c-6 rather than the cooperation, drive telescopic link 103c-2 and hold piece 103c-2 interior back-and-forth movement, make second baffle 103c-8 stretch out or withdraw through the limiting plate 103g that is interrupted the setting, reach the effect of intermittent type formula extrusion damp-proof cotton 102, the moisture absorption that can both be abundant of damp-proof cotton 102 when making extrusion at every turn, avoid the wasting of resources that the damp-proof cotton of repeated extrusion caused, improved the life of device.
Preferably, the distribution network device 100 further comprises a discharge opening 104 disposed at the bottom thereof, a top plate 105 disposed at the top thereof, and a water collecting plate 106 disposed below the damp-proof cotton 102. The top plate 105 is disposed above the heat dissipation hole 101, reducing the amount of rainwater entering the inside of the terminal. Through the water collection plate 106 arranged below the damp-proof cotton 102, when the damp-proof cotton 102 is squeezed for drainage, water flows to the drainage port 104 through the water collection plate 106 to be drained, and rainwater is prevented from entering the terminal and damaging components.
When the damp-proof cotton pressing machine is used, firstly, the driving motor 103a is started, the first water discharging part 103c and the second water discharging part 103d are simultaneously far away from the center of the limiting bottom plate 103e, the two groups of adjusting columns 103c-6 are respectively matched with the first sloping edge adjusting plate 103i-1 and the second sloping edge adjusting plate 103i-2, so that the two groups of second baffles 103c-8 extend out of the discontinuously arranged limiting plates 103g, then the driving motor 103a rotates reversely, the first water discharging part 103c and the second water discharging part 103d are simultaneously close to the center of the limiting bottom plate 103e, the two groups of second baffles 103c-8 are matched with the flat-top lug 103h, the damp-proof cotton 102 is simultaneously pressed, when the first water discharging part 103c and the second water discharging part 103d are close to the centers, the two groups of adjusting columns 103c-6 are matched with the double sloping edge adjusting plates 103i-4, so that the two groups of second baffles 103c, and the second baffles 103c-8 at the other ends of the two groups extend out of the discontinuously arranged limit plates 103g, then the motor 103a is driven to rotate positively, the drainage process is repeated, and the function of intermittently extruding the damp-proof cotton 102 is realized.
In summary, the circulation component 103 is disposed on the top of the distribution network device 100, and the first water discharging component 103c and the second water discharging component 103d correspond to the four sets of damp-proof cotton 102. The protection device 200 protects the output overload or short circuit caused by the switch lock-up, coil short circuit, wiring short circuit, etc., and can be restarted to automatically recover the output after the overload is removed. Drive lead screw 103b through driving motor 103a and drive first drainage part 103c and second drainage part 103d and extrude the drainage to two sets of damp proof cotton 102 on one side simultaneously, reach the dry function of quick drainage, improved work efficiency to prevent that the louvre 101 is plugged up to the extrusion time overlength, influence radiating efficiency. When the two groups of damp-proof cotton 102 on one side are drained, the second baffle plates 103c-8 on the other side move in the moving grooves 103f, so that an intermittent drainage function is realized, the damp-proof cotton 102 which is not fully filled with water is prevented from being repeatedly extruded, the service life of the device is prolonged, and the waste of power resources is avoided. Through setting up and circulating subassembly 103 complex water-collecting plate 106, accomodate the exhaust rainwater at extrusion drainage in-process to discharge the rainwater through discharge port 104, guaranteed the operation safety of device, prevent inside the rainwater entering terminal, arouse the accident.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or device steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a join in marriage overload protection device of net FTU power which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the distribution network device (100) comprises heat dissipation holes (101) arranged at two sides of the distribution network device (100), damp-proof cotton (102) attached to the heat dissipation holes (101), a circulation component (103) arranged at the top of the distribution network device (100), a discharge port (104) arranged at the bottom of the distribution network device, a top plate (105) arranged at the top of the distribution network device, and a water collecting plate (106) arranged below the damp-proof cotton (102);
the protection device (200) comprises an input module (201), a detection module (202), an insurance module (203) and an interruption module (204).
2. The overload protection device for the distribution network FTU power supply of claim 1, wherein: the input module (201) is electrically connected with the detection module (202) through a first line (L1), the insurance module (203) is electrically connected with the detection module (202) through a second line (L2), and the interruption module (204) is electrically connected with the detection module (202) through a third line (L3).
3. The overload protection device for the distribution network FTU power supply of claim 2, wherein: the input module (201) inputs energy through the first line (L1) and the second line (L2) to maintain the operation of the device, the safety module (202) changes the resistance value of the safety module according to the current, the detection module (202) sends a signal for controlling the opening and closing of the interruption module (204) through detecting the resistance value of the safety module (202), and the interruption module (204) controls the opening and closing of the circuit to realize the self-recovery function.
4. An overload protection device for a distribution network FTU power supply according to any one of claims 1 to 3, wherein: the protection device (200) further comprises a flash module (205), wherein the flash module (205) is connected with the detection module (202), and when the detection module (202) sends an interrupt signal to the interrupt module (204), the flash module (205) gives out a light-emitting warning.
5. An overload protection device for a distribution network FTU power supply according to any one of claims 1 to 3, wherein: the protection device (200) further comprises a communication module (206), the communication module (206) is connected with the detection module (202), the detection module (202) sends an interrupt signal and simultaneously sends a fault signal to the communication module (206), and the communication module (206) transmits information to the outside after receiving the signal.
6. The overload protection device for the distribution network FTU power supply of claim 5, wherein: the protection device (200) further comprises a terminal module (207) connected with the communication module (206), wherein the terminal module (207) receives information of the communication module (206) and displays the state of the device.
7. The overload protection device for the distribution network FTU power supply of claim 6, wherein: the communication module (206) adopts a notebook computer.
8. An overload protection device for a distribution network FTU power supply according to any one of claims 1 to 3, wherein: circulation subassembly (103) including set up in driving motor (103a) of joining in marriage net device (100) one side, with lead screw (103b) that driving motor (103a) are connected, with first drainage part (103c) and second drainage part (103d) that lead screw (103b) are connected, with first drainage part (103c) with second drainage part (103d) complex spacing bottom plate (103e), set up in removal recess (103f) of spacing bottom plate (103e) both sides, with limiting plate (103g) that removal recess (103f) are connected, set up in flat-top lug (103h) of limiting plate (103g) one side, and set up in adjusting part (103i) of spacing bottom plate (103e) top.
9. The overload protection device for the distribution network FTU power supply of claim 8, wherein: the first water discharging part (103c) and the second water discharging part (103d) are consistent in structure, the first water discharging part (103c) comprises a limit connecting block (103c-1) matched with the limit bottom plate (103e), an accommodating block (103c-2) connected with the limit connecting block (103c-1), an expansion rod (103c-3) arranged in the accommodating block (103c-2) and two ends of the expansion rod extend out of the accommodating block (103c-2), an accommodating port (103c-4) arranged above the accommodating block (103c-2), a sliding block (103c-5) matched with the accommodating port (103c-4), an adjusting column (103c-6) arranged above the sliding block (103c-5), a first baffle plate (103c-7) and a second baffle plate (103c-8) connected with the expansion rod (103c-3), and a spring (103c-9) disposed between the first shutter (103c-7) and the second shutter (103 c-8); the sliding block (103c-5) is fixedly connected with the telescopic rod (103 c-3).
10. The overload protection device for the distribution network FTU power supply of claim 9, wherein: the adjusting component (103i) comprises a first bevel edge adjusting plate (103i-1) and a second bevel edge adjusting plate (103i-2) which are symmetrically arranged at two ends of the limiting bottom plate (103e), a fixing plate (103i-3) connected with the first bevel edge adjusting plate (103i-1) and the second bevel edge adjusting plate (103i-2), and a double bevel edge adjusting plate (103i-4) connected with the fixing plate (103 i-3).
CN202011303340.3A 2020-11-19 2020-11-19 Overload protection device for distribution network FTU power supply Active CN112467699B (en)

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Citations (3)

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Publication number Priority date Publication date Assignee Title
CN205900238U (en) * 2016-08-20 2017-01-18 张艳雪 Waterproof drainage device of transformer
CN106357004A (en) * 2016-11-01 2017-01-25 南京软核科技有限公司 Distributed feeder line automatic monitoring device for rural power distribution network
US10840735B1 (en) * 2011-05-26 2020-11-17 J. Carl Cooper Power source load control

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Publication number Priority date Publication date Assignee Title
US10840735B1 (en) * 2011-05-26 2020-11-17 J. Carl Cooper Power source load control
CN205900238U (en) * 2016-08-20 2017-01-18 张艳雪 Waterproof drainage device of transformer
CN106357004A (en) * 2016-11-01 2017-01-25 南京软核科技有限公司 Distributed feeder line automatic monitoring device for rural power distribution network

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