CN111864696B - Equipment power consumption safety intelligent protection system - Google Patents
Equipment power consumption safety intelligent protection system Download PDFInfo
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- CN111864696B CN111864696B CN202010742440.XA CN202010742440A CN111864696B CN 111864696 B CN111864696 B CN 111864696B CN 202010742440 A CN202010742440 A CN 202010742440A CN 111864696 B CN111864696 B CN 111864696B
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- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/34—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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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
- 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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00026—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- 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
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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
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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
- 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
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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
- 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
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent protection system for equipment power utilization safety, which comprises a remote server arranged in a monitoring center and a monitoring terminal arranged on electric equipment; the monitoring terminal comprises a control module, a current transformer module and a breaker module, wherein the current transformer module and the breaker module are respectively connected with the control module, and the current transformer module and the breaker module are arranged on a three-phase incoming line of the electric equipment; the remote server is connected with the control module; the current transformer module comprises a three-phase current transformer, the three-phase current transformer comprises a lower shell and an upper shell capable of covering the lower shell, the bottom of the upper shell is provided with three upper arc-shaped grooves, the top of the lower shell is provided with three lower arc-shaped grooves in one-to-one correspondence with the upper arc-shaped grooves, and the upper arc-shaped grooves and the corresponding lower arc-shaped grooves form threading holes in a closed mode. The equipment power utilization safety intelligent protection system can monitor power utilization equipment in real time, and can realize power failure when input current of the power utilization equipment is abnormal, so that the power utilization equipment is protected.
Description
Technical Field
The invention relates to an intelligent protection system for equipment power utilization safety.
Background
With the development of industry, the demand for power consumption is increasing, and therefore, the power consumption safety of the power consumption equipment is more important. The existing electric equipment is often unreasonably used in the using process, so that the electric equipment is overloaded, the electric equipment is burnt out, and certain potential safety hazards exist. Therefore, it is necessary to monitor the operating status of the electric equipment in real time and timely handle the failure of the electric equipment in real time. The current test equipment with the electronic display screen in the prior art needs personnel to often check whether the current of the electric equipment is overloaded or not, and the electric equipment cannot be powered off in time after the current is overloaded.
Disclosure of Invention
The invention aims to provide an intelligent safety protection system for equipment power utilization, which has a reasonable structure, can monitor power utilization equipment in real time, and can realize power failure when the input current of the power utilization equipment is abnormal, so that the power utilization equipment is protected; in addition, the three-phase current transformer is convenient to mount and dismount.
In order to achieve the purpose, the technical scheme of the invention is to design an intelligent protection system for the electricity utilization safety of equipment, which comprises a remote server arranged in a monitoring center and a monitoring terminal arranged on the electricity utilization equipment;
the monitoring terminal comprises a control module, a current transformer module and a breaker module, wherein the current transformer module and the breaker module are respectively connected with the control module, and the current transformer module and the breaker module are arranged on a three-phase incoming line of the electric equipment;
the remote server is connected with the control module;
the current transformer module comprises a three-phase current transformer, the three-phase current transformer comprises an upper shell and a lower shell, the bottom of the upper shell is provided with three upper arc-shaped grooves, the top of the lower shell is provided with three lower arc-shaped grooves corresponding to the upper arc-shaped grooves one by one, the upper arc-shaped grooves and the corresponding lower arc-shaped grooves are closed to form threading holes, one end of the lower shell is provided with an L-shaped connecting seat, the top of the connecting seat is provided with a groove, one end of the upper shell is provided with a connecting block positioned in the groove, a rotating shaft is fixedly arranged in the connecting block in a penetrating way, the two ends of the rotating shaft are respectively rotatably connected with two opposite groove walls of the groove, one end of the upper shell, far away from the connecting block, is provided with an upper convex block, the bottom of the upper convex block is provided with an inserting block, the bottom of the inserting block is provided with a driving inclined plane, the side part of the inserting block is provided with a limiting groove, one end of the lower shell, far away from the connecting seat, is provided with a lower convex block corresponding to the upper convex block, the top of this protruding piece down is equipped with and supplies inserted block male slot, is equipped with the slide opening on the lateral wall of this slot, and slidable is connected with the spacer pin in this slide opening, and the one end of this spacer pin runs through the slide opening and inserts in the spacing groove, and the other end of this spacer pin is equipped with the pull rod, and the other end of this pull rod passes down the lug and is equipped with and draws the piece, be equipped with the reset spring of suit in the pull rod in the slide opening, the both ends of this reset spring respectively with the pore wall fixed connection of spacer pin and slide opening.
Preferably, the monitoring terminal further comprises an alarm module, and the alarm module is connected with the control module.
Preferably, the monitoring terminal further comprises a WIFI module, and the control module is in wireless connection with the remote server through the WIFI module.
Preferably, the three-phase current transformer further comprises a cable fixing mechanism, the cable fixing mechanism comprises an upper supporting plate and a lower supporting plate, the lower supporting plate is fixed on the side portion of the lower shell, three supporting rods which correspond to the lower arc-shaped grooves one to one are arranged on the lower supporting plate, and supporting pieces are arranged at the top ends of the supporting rods; go up the backup pad setting and at the lateral part of last casing, should go up the three slide bar that vertically wears to be equipped with and bracing piece one-to-one on the backup pad, the bottom of slide bar is equipped with the preforming that corresponds with the backing sheet, and the preforming forms between the backing sheet and the corresponding clamping gap, be equipped with the bulge loop that is located between preforming and the last backup pad on the slide bar, be connected with buffer spring between this bulge loop and the last backup pad.
Preferably, the top end of the sliding rod is provided with a limiting block.
Preferably, the support sheet and the pressing sheet are both arc-shaped.
Preferably, one end of the limiting pin inserted into the limiting groove is in a spherical crown shape.
Preferably, the cable fixing mechanism further comprises a driving screw rod and a driven screw rod which vertically penetrate through the upper supporting plate and are in threaded connection with the upper supporting plate, the lower end of the driving screw rod is mounted on the side portion of the upper shell through a screw rod seat, a rotating head is arranged at the upper end of the driving screw rod, and a driving gear located between the rotating head and the upper supporting plate is arranged on the driving screw rod; the lower end of the driven screw rod is arranged at the side part of the upper shell through a screw rod seat, a driven gear corresponding to the driving gear is arranged on the driven screw rod, and a transmission chain is connected between the driven gear and the driving gear; the lateral part of going up the casing is equipped with two vertical spouts, the both ends of going up the backup pad are equipped with the slider respectively, two the slider respectively with two vertical spout sliding connection.
Preferably, the bottom of the lower shell is provided with a mounting plate, and the mounting plate is provided with a fixing hole positioned on the periphery of the lower shell.
The invention has the advantages and beneficial effects that: the intelligent protection system for the equipment power utilization safety is reasonable in structure, can monitor the power utilization equipment in real time, and can realize power failure when the input current of the power utilization equipment is abnormal, so that the power utilization equipment is protected; in addition, the three-phase current transformer is convenient to mount and dismount.
When the current transformer module is used, the three-phase incoming line current of the electric equipment is detected by the current transformer module, converted into corresponding current data and transmitted to the control module; then the control module forwards the received current data to a remote server, the remote server analyzes and processes the received current data, if the remote server analyzes and processes the current data to obtain a processing result of current data abnormity, the remote server generates a power-off control signal and sends the power-off control signal to the control module, the control module controls a breaker module to break off a three-phase incoming line of the electric equipment after receiving the power-off control signal, and therefore the purpose of protecting the electric equipment is achieved, and meanwhile the control module also gives an alarm to the control alarm module to remind a worker of timely processing; if the remote server obtains a normal processing result of the current data after analyzing and processing the current data, the remote server generates a power-on control signal and sends the power-on control signal to the control module, the control module controls the breaker module to conduct a three-phase incoming line of the electric equipment after receiving the power-on control signal, and the electric equipment normally runs at the moment.
When installing three-phase current transformer, fix the mounting panel on consumer through the screw, then the three-phase wire that uses electrical equipment passes the three arc wall down of casing respectively, later overturn downwards and go up the casing and make its lid close under on the casing, the inserted block will insert in the slot of lug down, and, drive inclined plane on the inserted block will contact with the spherical crown structure contact of spacer pin, thereby promote the spacer pin and retreat and compress reset spring, when the inserted block inserts when targetting in place, the spacer pin will be corresponding with the spacing groove on the inserted block, the spacer pin will move and insert in the spacing groove under reset spring's elasticity restoring force effect this moment, thereby with last casing and lower casing locking, so that detect.
When the three-phase current transformer is disassembled, the limiting pin is pulled out of the limiting groove of the inserting block by pulling the pulling block, then the upper shell is turned upwards to be separated from the lower shell, and finally the mounting plate is disassembled and the three-phase lead of the electric equipment is moved out of the threading hole.
Moreover, the cable fixing mechanism is arranged, so that the wire can be effectively clamped and fixed, the wire is prevented from shaking, and the influence on the detection effect is reduced. When the device is specifically applied, the lead penetrates through the lower arc-shaped groove of the lower shell and is supported below the lead by the supporting sheet, then the upper shell is turned over to cover the lower shell, the pressing sheet is contacted with the lead in the process, and when the upper shell and the lower shell are locked, the buffer spring is in a compressed state, so that the buffer spring has certain elastic restoring force, and the lead is clamped and fixed between the pressing sheet and the supporting sheet by the elastic restoring force; if make the preforming can't contact with the wire and press from both sides tightly because of the wire is thinner, the accessible rotates the rotating head and drives the rotation of initiative lead screw, the pivoted of initiative lead screw will drive driven lead screw and rotate together, because initiative lead screw and driven lead screw all with last backup pad threaded connection, consequently can drive the backup pad down when rotating the rotating head, drive the preforming by last backup pad and down and contact with the wire, until buffer spring compressed, the wire is pressed from both sides tightly and fixes between preforming and backup pad this moment, thereby realize preventing that the wire from rocking's purpose.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic diagram of a three-phase current transformer in the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is a schematic view of the upper and lower cams of the present invention when connected.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 5, an intelligent protection system for equipment power consumption safety includes a remote server disposed in a monitoring center, and a monitoring terminal installed in a power consumption equipment;
the monitoring terminal comprises a control module, a current transformer module and a breaker module, wherein the current transformer module and the breaker module are respectively connected with the control module, and the current transformer module and the breaker module are arranged on a three-phase incoming line of the electric equipment;
the remote server is connected with the control module;
the current transformer module comprises a three-phase current transformer, the three-phase current transformer comprises an upper shell 1 and a lower shell 2, the bottom of the upper shell 1 is provided with three upper arc-shaped grooves 3, the top of the lower shell 2 is provided with three lower arc-shaped grooves 4 corresponding to the upper arc-shaped grooves 3 one by one, the upper arc-shaped grooves 2 and the corresponding lower arc-shaped grooves 3 are closed to form threading holes, one end of the lower shell 2 is provided with an L-shaped connecting seat 5, the top of the connecting seat 5 is provided with a groove, one end of the upper shell 1 is provided with a connecting block 6 positioned in the groove, a rotating shaft 7 is fixedly penetrated in the connecting block 6, two ends of the rotating shaft 7 are respectively rotatably connected with two opposite groove walls of the groove, one end of the upper shell 1 far away from the connecting block 6 is provided with an upper lug 8, the bottom of the upper lug 8 is provided with an insert block 9, the bottom of the insert block 9 is provided with a driving inclined plane 10, and the side part of the insert block 9 is provided with a limiting groove 11, one end of the lower shell 2, which is far away from the connecting seat 5, is provided with a lower convex block 12 corresponding to the upper convex block 8, the top of the lower convex block 12 is provided with a slot 13 for inserting the insert block 9, the side wall of the slot 13 is provided with a slide hole 14, the slide hole 14 is connected with a limit pin 15 in a sliding manner, one end of the limit pin 15 penetrates through the slide hole 14 and is inserted into the limit groove 11, the other end of the limit pin 15 is provided with a pull rod 16, the other end of the pull rod 16 penetrates through the lower convex block 12 and is provided with a pull block 17, a return spring 18 sleeved on the pull rod 16 is arranged in the slide hole 14, and two ends of the return spring 18 are respectively fixedly connected with the limit pin 15 and the hole wall of the slide hole 14.
The monitoring terminal also comprises an alarm module, and the alarm module is connected with the control module.
The monitoring terminal further comprises a WIFI module, and the control module is in wireless connection with the remote server through the WIFI module.
The three-phase current transformer also comprises a cable fixing mechanism, the cable fixing mechanism comprises an upper supporting plate 19 and a lower supporting plate 20, the lower supporting plate 20 is fixed on the side part of the lower shell 2, three supporting rods 21 which are in one-to-one correspondence with the lower arc-shaped grooves 4 are arranged on the lower supporting plate 20, and supporting pieces 22 are arranged at the top ends of the supporting rods 21; go up backup pad 20 and set up the lateral part at last casing 2, vertically wear to be equipped with on this backup pad 19 with the three slide bar 23 of bracing piece 21 one-to-one, the bottom of slide bar 23 is equipped with the preforming 24 that corresponds with backing sheet 22, and forms between preforming 24 and the corresponding backing sheet 22 and press from both sides tight clearance, is equipped with the bulge loop 25 that is located between preforming 24 and the last backup pad 19 on the slide bar 23, is connected with buffer spring 26 between this bulge loop 25 and the last backup pad 19.
The top end of the slide bar 23 is provided with a limit block 27.
The support piece 22 and the pressing piece 24 are both circular arc-shaped.
The end of the limit pin 15 inserted into the limit groove 11 is in the shape of a spherical crown.
The cable fixing mechanism further comprises a driving screw 28 and a driven screw 29 which vertically penetrate through the upper supporting plate 19 and are in threaded connection with the upper supporting plate 19, the lower end of the driving screw 28 is mounted on the side portion of the upper shell 1 through a screw seat, the upper end of the driving screw 28 is provided with a rotating head 30, and the driving screw 28 is provided with a driving gear 31 positioned between the rotating head 30 and the upper supporting plate 19; the lower end of the driven screw 29 is arranged at the side part of the upper shell 1 through a screw seat, a driven gear 32 corresponding to the driving gear 31 is arranged on the driven screw 29, and a transmission chain 33 is connected between the driven gear 32 and the driving gear 31; the lateral part of the upper shell 1 is provided with two vertical sliding grooves 34, the two ends of the upper supporting plate 19 are respectively provided with a sliding block 35, and the two sliding blocks 35 are respectively connected with the two vertical sliding grooves 34 in a sliding manner.
The bottom of the lower casing 2 is provided with a mounting plate 36, and the mounting plate 36 is provided with a fixing hole located at the periphery of the lower casing 2.
The invention has the advantages and beneficial effects that: the intelligent protection system for the equipment power utilization safety is reasonable in structure, can monitor the power utilization equipment in real time, and can realize power failure when the input current of the power utilization equipment is abnormal, so that the power utilization equipment is protected; in addition, the three-phase current transformer is convenient to mount and dismount.
When the current transformer module is used, the three-phase incoming line current of the electric equipment is detected by the current transformer module, converted into corresponding current data and transmitted to the control module; then the control module forwards the received current data to a remote server, the remote server analyzes and processes the received current data, if the remote server analyzes and processes the current data to obtain a processing result of current data abnormity, the remote server generates a power-off control signal and sends the power-off control signal to the control module, the control module controls a breaker module to break off a three-phase incoming line of the electric equipment after receiving the power-off control signal, and therefore the purpose of protecting the electric equipment is achieved, and meanwhile the control module also gives an alarm to the control alarm module to remind a worker of timely processing; if the remote server obtains a normal processing result of the current data after analyzing and processing the current data, the remote server generates a power-on control signal and sends the power-on control signal to the control module, the control module controls the breaker module to conduct a three-phase incoming line of the electric equipment after receiving the power-on control signal, and the electric equipment normally runs at the moment.
When the three-phase current transformer is installed, the installation plate 36 is fixed on the electric equipment through screws, then three-phase wires of the electric equipment respectively penetrate through the three lower arc-shaped grooves 4 of the lower shell 2, then the upper shell 1 is turned downwards to cover the lower shell 2, in the process, the insertion block 9 is inserted into the insertion groove 13 of the lower protruding block 12, in addition, the driving inclined plane 10 on the insertion block 9 is in contact with the spherical crown structure of the limiting pin 15, so that the limiting pin 15 is pushed to retreat and the reset spring 18 is compressed, when the insertion block 9 is inserted in place, the limiting pin 15 corresponds to the limiting groove 11 on the insertion block 9, at the moment, the limiting pin 15 moves under the action of the elastic restoring force of the reset spring 18 and is inserted into the limiting groove 11, so that the upper shell 1 and the lower shell 2 are locked, and detection is performed.
When the three-phase current transformer is disassembled, the limiting pin 15 is pulled out of the limiting groove 11 of the inserting block 9 by pulling the pulling block 17, then the upper shell 1 is turned upwards to be separated from the lower shell 2, and finally the mounting plate 36 is disassembled and the three-phase lead of the electric equipment is used to be moved out of the threading hole.
Moreover, the cable fixing mechanism is arranged, so that the wire can be effectively clamped and fixed, the wire is prevented from shaking, and the influence on the detection effect is reduced. When the wire clamp is specifically applied, a wire passes through the lower arc-shaped groove 4 of the lower shell 2 and is supported below the wire by the supporting piece 22, then the upper shell 1 is turned over to cover the lower shell 2, the pressing piece 24 is contacted with the wire in the process, and when the upper shell 1 and the lower shell 2 are locked, the buffer spring 26 is in a compressed state, so that the buffer spring 26 has certain elastic restoring force, and the wire is clamped and fixed between the pressing piece 24 and the supporting piece 22 by the elastic restoring force; if the pressing sheet 24 can not contact with the lead and clamp the lead tightly because the lead is thin, the rotary head 30 can be rotated to drive the driving screw 28 to rotate, the driving screw 28 rotates and simultaneously drives the driven screw 29 to rotate, and because the driving screw 28 and the driven screw 29 are both in threaded connection with the upper supporting plate 19, the rotary head 30 can be rotated to drive the upper supporting plate 19 to move downwards, the pressing sheet 24 is driven by the upper supporting plate 19 to move downwards and contact with the lead until the buffer spring 26 is compressed, and the lead is clamped and fixed between the pressing sheet 24 and the supporting plate 22 at the moment, so that the purpose of preventing the lead from shaking is realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An intelligent protection system for equipment power utilization safety is characterized by comprising a remote server arranged in a monitoring center and a monitoring terminal arranged on electric equipment;
the monitoring terminal comprises a control module, a current transformer module and a breaker module, wherein the current transformer module and the breaker module are respectively connected with the control module, and the current transformer module and the breaker module are arranged on a three-phase incoming line of the electric equipment;
the remote server is connected with the control module;
the current transformer module comprises a three-phase current transformer, the three-phase current transformer comprises an upper shell and a lower shell, the bottom of the upper shell is provided with three upper arc-shaped grooves, the top of the lower shell is provided with three lower arc-shaped grooves corresponding to the upper arc-shaped grooves one by one, the upper arc-shaped grooves and the corresponding lower arc-shaped grooves are closed to form threading holes, one end of the lower shell is provided with an L-shaped connecting seat, the top of the connecting seat is provided with a groove, one end of the upper shell is provided with a connecting block positioned in the groove, a rotating shaft is fixedly arranged in the connecting block in a penetrating way, the two ends of the rotating shaft are respectively rotatably connected with two opposite groove walls of the groove, one end of the upper shell, far away from the connecting block, is provided with an upper convex block, the bottom of the upper convex block is provided with an inserting block, the bottom of the inserting block is provided with a driving inclined plane, the side part of the inserting block is provided with a limiting groove, one end of the lower shell, far away from the connecting seat, is provided with a lower convex block corresponding to the upper convex block, the top of this protruding piece down is equipped with and supplies inserted block male slot, is equipped with the slide opening on the lateral wall of this slot, and slidable is connected with the spacer pin in this slide opening, and the one end of this spacer pin runs through the slide opening and inserts in the spacing groove, and the other end of this spacer pin is equipped with the pull rod, and the one end and the spacer pin of this pull rod are connected, and the other end of this pull rod passes down the lug and be equipped with and draw the piece, be equipped with the reset spring of suit in the pull rod in the slide opening, the both ends of this reset spring respectively with the pore wall fixed connection of spacer pin and slide opening.
2. The intelligent protection system for the equipment power utilization safety according to claim 1, wherein the monitoring terminal further comprises an alarm module, and the alarm module is connected with the control module.
3. The equipment power consumption safety intelligent protection system of claim 2, wherein the monitor terminal further comprises a WIFI module, and the control module is in wireless connection with the remote server through the WIFI module.
4. The equipment power consumption safety intelligent protection system according to claim 3, wherein the three-phase current transformer further comprises a cable fixing mechanism, the cable fixing mechanism comprises an upper supporting plate and a lower supporting plate, the lower supporting plate is fixed on the side portion of the lower shell, three supporting rods which correspond to the lower arc-shaped grooves in a one-to-one mode are arranged on the lower supporting plate, and supporting plates are arranged at the top ends of the supporting rods; go up the backup pad setting and at the lateral part of last casing, should go up the three slide bar that vertically wears to be equipped with and bracing piece one-to-one on the backup pad, the bottom of slide bar is equipped with the preforming that corresponds with the backing sheet, and the preforming forms between the backing sheet and the corresponding clamping gap, be equipped with the bulge loop that is located between preforming and the last backup pad on the slide bar, be connected with buffer spring between this bulge loop and the last backup pad.
5. The intelligent protection system for equipment power utilization safety according to claim 4, wherein a limit block is arranged at the top end of the sliding rod.
6. The intelligent protection system for electric safety of equipment according to claim 5, wherein the support sheet and the pressing sheet are both arc-shaped.
7. The intelligent protection system for equipment power utilization safety according to claim 6, wherein one end of the limit pin inserted into the limit groove is in a spherical crown shape.
8. The intelligent protection system for the electric safety of equipment according to claim 7, wherein the cable fixing mechanism further comprises a driving lead screw and a driven lead screw which vertically penetrate through the upper support plate and are in threaded connection with the upper support plate, the lower end of the driving lead screw is mounted on the side of the upper shell through a lead screw seat, the upper end of the driving lead screw is provided with a rotating head, and the driving lead screw is provided with a driving gear positioned between the rotating head and the upper support plate; the lower end of the driven screw rod is arranged at the side part of the upper shell through a screw rod seat, a driven gear corresponding to the driving gear is arranged on the driven screw rod, and a transmission chain is connected between the driven gear and the driving gear; the lateral part of going up the casing is equipped with two vertical spouts, the both ends of going up the backup pad are equipped with the slider respectively, two the slider respectively with two vertical spout sliding connection.
9. The intelligent protection system for equipment power utilization safety of claim 8, wherein the bottom of the lower casing is provided with a mounting plate, and the mounting plate is provided with a fixing hole positioned at the periphery of the lower casing.
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| CN202010742440.XA CN111864696B (en) | 2020-07-29 | 2020-07-29 | Equipment power consumption safety intelligent protection system |
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| CN202010742440.XA CN111864696B (en) | 2020-07-29 | 2020-07-29 | Equipment power consumption safety intelligent protection system |
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| CN114755470B (en) * | 2022-04-07 | 2022-10-28 | 江苏靖江互感器股份有限公司 | Current transformer production detection device |
| CN115106612A (en) * | 2022-07-25 | 2022-09-27 | 中国铁建大桥工程局集团有限公司 | Beam column joint welding equipment for steel concrete composite structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201408641Y (en) * | 2009-02-20 | 2010-02-17 | 南京鼎牌电器有限公司 | Open-close type current transformer |
| CN203910515U (en) * | 2014-06-28 | 2014-10-29 | 温州之凯电气科技有限公司 | Ring-opening type zero sequence current mutual inductor |
| CN106024350A (en) * | 2016-05-02 | 2016-10-12 | 胡小青 | Novel zero sequence current transformer |
| CN105869843A (en) * | 2016-05-02 | 2016-08-17 | 申俊 | Zero-sequence current transformer |
| WO2020047343A1 (en) * | 2018-08-31 | 2020-03-05 | S&C Electric Company | Spiral core current transformer for energy harvesting applications |
| CN209766176U (en) * | 2019-04-26 | 2019-12-10 | 河北中开明泰电气设备有限公司 | High-efficiency current transformer |
| CN209625977U (en) * | 2019-05-24 | 2019-11-12 | 崔广磊 | A kind of multi-functional current transformer |
| CN210780881U (en) * | 2019-12-04 | 2020-06-16 | 江苏米塔网络科技服务有限公司 | Remote monitoring system of mechanical equipment |
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