CN111987634A - Current and voltage monitoring equipment for high-voltage combined frequency converter - Google Patents
Current and voltage monitoring equipment for high-voltage combined frequency converter Download PDFInfo
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- CN111987634A CN111987634A CN202010825491.9A CN202010825491A CN111987634A CN 111987634 A CN111987634 A CN 111987634A CN 202010825491 A CN202010825491 A CN 202010825491A CN 111987634 A CN111987634 A CN 111987634A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
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- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
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- 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
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
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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
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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
- H02J13/00028—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 involving the use of Internet protocols
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses current and voltage monitoring equipment for a high-voltage combined frequency converter, which comprises a frequency converter body, wherein an equipment groove is formed in one side of the frequency converter body, a drawer is fixed inside the equipment groove through a horizontal moving assembly, an equipment frame is installed on the inner wall of the bottom of the drawer, a wireless network module, a PLC (programmable logic controller), a voltage sensor and a current sensor are installed on the equipment frame, the input ends of the voltage sensor and the current sensor are connected with the output end of the frequency converter body, the voltage sensor and the current sensor are electrically connected with the input end of the PLC, the output end of the PLC is in communication connection with a cloud platform through the wireless network module, and the cloud platform is in communication connection with a mobile phone terminal. The invention has novel structure and ingenious conception, is convenient for managers to remotely monitor in real time, know the working state of the frequency converter body in time and improve the working stability of the frequency converter body.
Description
Technical Field
The invention relates to the technical field of frequency converter monitoring, in particular to current and voltage monitoring equipment for a high-voltage combined frequency converter.
Background
The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. With the rapid development of modern power electronic technology and microelectronic technology, high-voltage high-power variable-frequency speed regulation devices are continuously mature, and the high-voltage problem which is difficult to solve originally is solved well in recent years by device series connection or unit series connection.
For testing a high-voltage and large-capacity frequency converter, a common instrument cannot meet the requirement due to large voltage and current values, and voltage or current sensing is adopted and then the instrument is connected for measurement. The WP4000 variable frequency power analyzer can realize the input, output and efficiency tests of a high-voltage frequency converter with voltage of 10kV and current of 7000A according to the highest test of different variable frequency power sensors. However, the monitoring data needs to be checked on site, and remote monitoring cannot be carried out. Therefore, it is necessary to design a current and voltage monitoring device for a high-voltage combined frequency converter.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a current and voltage monitoring device for a high-voltage combined frequency converter, which has a novel structure and an ingenious design, is convenient for managers to remotely monitor in real time, know the working state of a frequency converter body in time and improve the working stability of the frequency converter body.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high pressure combination is electric current, voltage monitoring facilities for converter, includes the converter body, the equipment groove has been seted up to one side of converter body, the inside in equipment groove is fixed with the drawer through the horizontal migration subassembly, the equipment rack is installed to the bottom inner wall of drawer, install wireless network module, PLC controller, voltage sensor and current sensor on the equipment rack, voltage sensor and current sensor's input is connected with the output of converter body, voltage sensor and current sensor electric connection PLC controller's input, the output of PLC controller passes through wireless network module and is connected with the cloud platform communication, the cloud platform is connected with the cell-phone terminal communication.
Preferably, the electronic lock is installed at the center of one side of the top of the drawer, the voltage sensor and the current sensor are electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the electronic lock and the horizontal moving assembly.
Preferably, the horizontal migration subassembly includes spout, baffle, first gear motor, first reciprocal lead screw and first reciprocating slide block, the bottom both sides at the equipment groove are seted up to the spout symmetry, the baffle is installed to the inner wall one side of spout, the opposite side inner wall connection of outer wall one side through first reciprocal lead screw and spout of baffle, the first gear motor who is connected with the drive of first reciprocal lead screw is installed to the inner wall of baffle, the meshing is connected with the first reciprocating slide block of slip in the spout inside on the first reciprocal lead screw, the bottom both sides at the drawer are fixed to first reciprocating slide block.
Preferably, the first reciprocating slide block is provided with a buckle, and two sides of the bottom of the drawer are fixed on the first reciprocating slide block through the buckle.
Preferably, the equipment frame includes sharp track, sharp slider, equipment frame plate and top tight nut, the bottom inner wall at the drawer is fixed to sharp track, it has a plurality of sharp slider to slide on the sharp track, equipment frame plate is installed at the top of sharp slider, equipment frame plate's top center department rotates and is connected with top tight nut.
Preferably, electric putter is installed through the symmetry in the bottom of equipment groove and is fixed with the slide rail, the inside rotation of slide rail is connected with the reciprocal lead screw of second, the second gear motor of the reciprocal lead screw of drive second is installed to one side of slide rail, the meshing is connected with the reciprocal slider of gliding second in the slide rail on the reciprocal lead screw of second, install radiator fan on the reciprocal slider of second, just a plurality of louvre has been seted up to corresponding radiator fan on the drawer.
Preferably, the wireless network module follows a TCP/IP protocol, and the wireless network module adopts 4G and 5G networks.
Preferably, the specific operation steps of the device are as follows:
the method comprises the following steps: firstly, connecting input wiring terminals of a voltage sensor and a current sensor to an output wiring terminal of a frequency converter body, acquiring output voltage and current values of the frequency converter body by the voltage sensor and the current sensor in real time, and transmitting collected signals to a PLC (programmable logic controller) in real time for processing;
step two: then the PLC transmits the processed voltage and current values to a cloud platform through a wireless network module for centralized storage, and managers can download and remotely check data through mobile phone terminals;
step three: secondly, when voltage sensor and current sensor detected that the converter body does not have electric current and voltage output, the PLC controller control electronic lock was opened, and the work of the first gear motor of simultaneous control to it is rotatory to drive first reciprocal lead screw, drives first reciprocal slider at the inside motion of spout then, and then drives the drawer and open, and the managers of being convenient for in time maintains.
The invention has the beneficial effects that:
1. the voltage sensor and the current sensor acquire the output voltage and the current value of the frequency converter body in real time and transmit the collected signals to the PLC controller for processing in real time, the PLC controller transmits the processed voltage and current values to the cloud platform through the wireless network module for centralized storage, and a manager can download and remotely check data through the mobile phone terminal, so that the manager can remotely monitor in real time, know the working state of the frequency converter body in time and improve the working stability of the frequency converter body;
2. when the voltage sensor and the current sensor detect that the frequency converter body has no current and voltage output, the PLC controller controls the electronic lock to be opened and controls the first speed reducing motor to work, so that the first reciprocating screw rod is driven to rotate, the first reciprocating slide block is driven to move in the sliding groove, and the drawer is driven to be opened, so that a manager can conveniently maintain the drawer in time, and the voltage sensor and the current sensor are fixed in the drawer, so that the safety is high;
3. the wireless network module, the PLC, the voltage sensor and the current sensor are respectively fixed on the equipment frame plate, and the linear sliding block can move on the linear track by loosening and tightening the jacking nut, so that interference among the linear sliding block and the linear track can be avoided, thereby facilitating normal emission of working heat among the wireless network module, the PLC, the voltage sensor and the current sensor, freely adjusting the installation position and facilitating use;
4. the sliding rail is driven to move up and down through the arranged electric push rod, the second speed reducing motor is driven to work to drive the second reciprocating screw rod to rotate, so that the second reciprocating slide block is driven to horizontally move in the sliding rail, the radiating fan is driven to vertically and horizontally reciprocate, and the radiating efficiency of the radiating fan is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic three-dimensional structure of the horizontal movement assembly of the present invention;
FIG. 3 is a schematic three-dimensional structure of the equipment rack of the present invention;
FIG. 4 is a schematic left-side plan view of a heat dissipation fan area according to the present invention;
FIG. 5 is a schematic front plan view of the slide rail region according to the present invention;
reference numbers in the figures: 1. a frequency converter body; 2. an equipment groove; 3. an electronic lock; 4. a horizontal movement assembly; 5. heat dissipation holes; 6. an equipment rack; 7. a drawer; 8. a wireless network module; 9. a PLC controller; 10. a voltage sensor; 11. a current sensor; 12. a cloud platform; 13. a mobile phone terminal; 14. a chute; 15. a partition plate; 16. a first reduction motor; 17. a first reciprocating screw rod; 18. a first reciprocating slide block; 19. a linear track; 20. a linear slider; 21. an equipment rack plate; 22. tightly pushing the nut; 23. an electric push rod; 24. a slide rail; 25. a second reduction motor; 26. a second reciprocating slide block; 27. a heat radiation fan; 28. and a second reciprocating screw rod.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 5.
As shown in fig. 1 to 5, the present invention provides the following technical solutions: the utility model provides a high pressure makes up electric current for converter, voltage monitoring equipment, including converter body 1, equipment groove 2 has been seted up to one side of converter body 1, equipment groove 2's inside is fixed with drawer 7 through horizontal migration subassembly 4, equipment rack 6 is installed to the bottom inner wall of drawer 7, install wireless network module 8 on the equipment rack 6, PLC controller 9, voltage sensor 10 and current sensor 11's input and converter body 1's output are connected, voltage sensor 10 and current sensor 11 electric connection PLC controller 9's input, PLC controller 9's output passes through wireless network module 8 and is connected with cloud platform 12 communication, cloud platform 12 is connected with mobile terminal 13 communication.
The electronic lock 3 is installed at the center of one side of the top of the drawer 7, the voltage sensor 10 and the current sensor 11 are electrically connected with the input end of the PLC 9, and the output end of the PLC 9 is electrically connected with the electronic lock 3 and the horizontal moving component 4.
The horizontal moving assembly 4 comprises a sliding groove 14, a partition plate 15, a first speed reducing motor 16, a first reciprocating screw rod 17 and a first reciprocating slide block 18, the sliding groove 14 is symmetrically arranged on two sides of the bottom of the equipment groove 2, the partition plate 15 is arranged on one side of the inner wall of the sliding groove 14, one side of the outer wall of the partition plate 15 is connected with the inner wall of the other side of the sliding groove 14 through the first reciprocating screw rod 17, the first speed reducing motor 16 in driving connection with the first reciprocating screw rod 17 is arranged on the inner wall of the partition plate 15, the first reciprocating slide block 18 which slides in the sliding groove 14 is connected to the first reciprocating screw rod 17 in a meshing mode, and the first reciprocating slide block 18 is fixed.
The first reciprocating slide block 18 is provided with a buckle, and the two sides of the bottom of the drawer 7 are fixed on the first reciprocating slide block 18 through the buckle, so that the drawer is convenient to detach.
The equipment frame 6 comprises a linear rail 19, a linear sliding block 20, an equipment frame plate 21 and a jacking nut 22, wherein the linear rail 19 is fixed on the inner wall of the bottom of the drawer 7, the linear rail 19 is provided with a plurality of linear sliding blocks 20 in a sliding manner, the equipment frame plate 21 is installed at the top of each linear sliding block 20, and the jacking nut 22 is rotatably connected to the center of the top of the equipment frame plate 21.
The bottom of the equipment groove 2 is symmetrically provided with an electric push rod 23 which is fixed with a slide rail 24, the inside of the slide rail 24 is rotatably connected with a second reciprocating screw rod 28, one side of the slide rail 24 is provided with a second speed reducing motor 25 which drives the second reciprocating screw rod 28, the second reciprocating screw rod 28 is engaged and connected with a second reciprocating slide block 26 which slides inside the slide rail 24, the second reciprocating slide block 26 is provided with a heat radiation fan 27, and the drawer 7 is provided with a plurality of heat radiation holes 5 which are opposite to the corresponding heat radiation fan 27.
The wireless network module 8 follows TCP/IP protocol, and the wireless network module 8 adopts 4G and 5G networks, which is convenient for wireless transmission of data.
The device comprises the following specific operation steps:
the method comprises the following steps: firstly, connecting input terminals of a voltage sensor 10 and a current sensor 11 to an output terminal of a frequency converter body 1, acquiring output voltage and current values of the frequency converter body 1 by the voltage sensor 10 and the current sensor 11 in real time, and transmitting collected signals to a PLC (programmable logic controller) 9 for processing in real time;
step two: then, the PLC 9 transmits the processed voltage and current values to a cloud platform 12 through a wireless network module 8 for centralized storage, and a manager can download and remotely check data through a mobile phone terminal 13;
step three: secondly, when voltage sensor 10 and current sensor 11 detected that converter body 1 does not have electric current and voltage output, PLC controller 9 control electronic lock 3 was opened, and the work of the first gear motor 16 of simultaneous control to it is rotatory to drive first reciprocal lead screw 17, drives first reciprocal slider 18 at the inside motion of spout 14 then, and then drives drawer 7 and opens, and the managers of being convenient for in time carries out maintenance.
When the frequency converter is used, the voltage sensor 10 and the current sensor 11 acquire the output voltage and the current value of the frequency converter body 1 in real time, and transmit the collected signals to the PLC 9 for processing in real time, the PLC 9 transmits the processed voltage and current value to the cloud platform 12 through the wireless network module 8 for centralized storage, and a manager can download and remotely check data through the mobile phone terminal 13, so that the manager can remotely monitor in real time, know the working state of the frequency converter body 1 in time, and improve the working stability of the frequency converter body 1;
when the voltage sensor 10 and the current sensor 11 detect that the frequency converter body 1 has no current and voltage output, the PLC 9 controls the electronic lock 3 to be opened, and controls the first speed reducing motor 16 to work, so that the first reciprocating screw rod 17 is driven to rotate, the first reciprocating slide block 18 is driven to move in the sliding groove 14, and the drawer 7 is driven to be opened, so that not only is the convenience for a manager to maintain in time realized, but also the voltage sensor 10 and the current sensor 11 are fixed in the drawer 7, and the safety is high;
the wireless network module 8, the PLC 9, the voltage sensor 10 and the current sensor 11 are respectively fixed on the equipment frame plate 21, and the linear sliding block 20 can move on the linear track 19 by loosening and tightening the jacking nut 22, so that interference among the linear sliding block and the linear track 19 can be avoided, thereby facilitating normal dissipation of working heat among the wireless network module 8, the PLC 9, the voltage sensor 10 and the current sensor 11, and enabling the installation position to be freely adjusted, and being convenient to use;
the sliding rail 24 is driven to move up and down by the arranged electric push rod 23, the second reciprocating screw rod 28 is driven to rotate by the arranged second speed reducing motor 25, so that the second reciprocating slide block 26 is driven to move horizontally in the sliding rail 24, the radiating fan 27 is driven to do reciprocating motion up and down and left and right, and the radiating efficiency of the radiating fan 27 is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high pressure is electric current, voltage monitoring equipment for combined frequency converter, includes converter body (1), its characterized in that: equipment groove (2) have been seted up to one side of converter body (1), the inside in equipment groove (2) is fixed with drawer (7) through horizontal migration subassembly (4), equipment rack (6) are installed to the bottom inner wall of drawer (7), install wireless network module (8), PLC controller (9), voltage sensor (10) and current sensor (11) on equipment rack (6), the input of voltage sensor (10) and current sensor (11) is connected with the output of converter body (1), the input of voltage sensor (10) and current sensor (11) electric connection PLC controller (9), the output of PLC controller (9) passes through wireless network module (8) and is connected with cloud platform (12) communication, cloud platform (12) are connected with cell phone terminal (13) communication.
2. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 1, wherein: the electronic lock (3) is installed at the center of one side of the top of the drawer (7), the voltage sensor (10) and the current sensor (11) are electrically connected with the input end of the PLC (9), and the output end of the PLC (9) is electrically connected with the electronic lock (3) and the horizontal moving assembly (4).
3. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 2, wherein: horizontal migration subassembly (4) include spout (14), baffle (15), first gear motor (16), first reciprocal lead screw (17) and first reciprocal slider (18), the bottom both sides in equipment groove (2) are seted up to spout (14) symmetry, baffle (15) are installed to inner wall one side of spout (14), the opposite side wall connection of first reciprocal lead screw (17) and spout (14) is passed through to outer wall one side of baffle (15), first gear motor (16) of being connected with first reciprocal lead screw (17) drive are installed to the inner wall of baffle (15), meshing is connected with the first reciprocal slider (18) of sliding in spout (14) inside on first reciprocal lead screw (17), the bottom both sides at drawer (7) are fixed in first reciprocal slider (18).
4. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 3, wherein: the first reciprocating slide block (18) is provided with a buckle, and two sides of the bottom of the drawer (7) are fixed on the first reciprocating slide block (18) through the buckle.
5. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 1, wherein: equipment frame (6) are including sharp track (19), sharp slider (20), equipment frame plate (21) and top tight nut (22), the bottom inner wall at drawer (7) is fixed in sharp track (19), it has a plurality of sharp slider (20) to slide on sharp track (19), equipment frame plate (21) are installed at the top of sharp slider (20), the top center department of equipment frame plate (21) rotates and is connected with top tight nut (22).
6. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 1, wherein: electric putter (23) are installed through the symmetry in the bottom of equipment groove (2) and are fixed with slide rail (24), the inside rotation of slide rail (24) is connected with the reciprocal lead screw of second (28), second gear motor (25) of the reciprocal lead screw of drive second (28) are installed to one side of slide rail (24), the meshing is connected with the reciprocal slider of the inside gliding second (26) in slide rail (24) on the reciprocal lead screw of second (28), install radiator fan (27) on the reciprocal slider of second (26), just a plurality of louvre (5) have been seted up to corresponding radiator fan (27) on drawer (7).
7. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 1, wherein: the wireless network module (8) follows a TCP/IP protocol, and the wireless network module (8) adopts 4G and 5G networks.
8. The current and voltage monitoring device for the high-voltage combined frequency converter according to claim 1, wherein: the device comprises the following specific operation steps:
the method comprises the following steps: firstly, input wiring terminals of a voltage sensor (10) and a current sensor (11) are connected to an output wiring terminal of a frequency converter body (1), the voltage sensor (10) and the current sensor (11) acquire the output voltage and the current value of the frequency converter body (1) in real time, and collected signals are transmitted to a PLC (programmable logic controller) (9) for processing in real time;
step two: then the PLC (9) transmits the processed voltage and current values to a cloud platform (12) through a wireless network module (8) for centralized storage, and managers can download and remotely check data through a mobile phone terminal (13);
step three: secondly, when voltage sensor (10) and current sensor (11) detected converter body (1) no electric current and voltage output, PLC controller (9) control electronic lock (3) are opened, control first gear motor (16) work simultaneously, thereby it is rotatory to drive first reciprocal lead screw (17), then drive first reciprocal slider (18) at the inside motion of spout (14), and then drive drawer (7) and open, be convenient for the management people's pipe in time maintain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825491.9A CN111987634A (en) | 2020-08-17 | 2020-08-17 | Current and voltage monitoring equipment for high-voltage combined frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825491.9A CN111987634A (en) | 2020-08-17 | 2020-08-17 | Current and voltage monitoring equipment for high-voltage combined frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111987634A true CN111987634A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010825491.9A Pending CN111987634A (en) | 2020-08-17 | 2020-08-17 | Current and voltage monitoring equipment for high-voltage combined frequency converter |
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