CN112701605A - Intelligent switchgear - Google Patents
Intelligent switchgear Download PDFInfo
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- CN112701605A CN112701605A CN202011548220.XA CN202011548220A CN112701605A CN 112701605 A CN112701605 A CN 112701605A CN 202011548220 A CN202011548220 A CN 202011548220A CN 112701605 A CN112701605 A CN 112701605A
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- room
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- module
- cabinet body
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- 238000012545 processing Methods 0.000 claims abstract description 44
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 17
- 230000008054 signal transmission Effects 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000012212 insulator Substances 0.000 claims description 8
- 238000011897 real-time detection Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 15
- 230000003068 static effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Classifications
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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
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/027—Integrated apparatus for measuring current or voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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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
- H02B11/02—Details
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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
- H02B11/24—Shutters or guards
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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)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses intelligent switch equipment, which comprises a cabinet body, wherein the interior of the cabinet body is divided into a first cavity and a second cavity by a vertically arranged middle partition plate of the cabinet body, an instrument room is arranged on the upper side of the first cavity, a handcart room is arranged on the lower side of the instrument room in the first cavity, the second cavity is divided into a cable room and a bus room by a bus room partition plate, the bus room is arranged on the left lower side of the second cavity, and ozone content insulation detection assemblies are arranged at the tops of the first cavity and the second cavity; the handcart room is provided with a circuit breaker handcart, and the circuit breaker handcart is respectively connected with the cable room and the bus room; an intelligent processing assembly is arranged in the instrument room and is connected with the insulation detection assembly through a cable; the intelligent processing assembly comprises an intelligent processing module, an alarm module, a storage module and a signal transmission module. The switch device can realize real-time detection and send the detection result to a computer and a mobile phone terminal.
Description
Technical Field
The invention relates to the technical field of high-voltage switch equipment, in particular to intelligent switch equipment.
Background
High voltage switchgear refers to indoor and outdoor ac switchgear operating in power systems with voltages of 3kV and above, and frequencies of 50Hz and below. The power system protection device is mainly used for controlling and protecting power systems (including users of power plants, substations, power transmission and distribution lines, industrial and mining enterprises and the like), can be used for not only putting a part of power equipment or lines into or out of operation according to the operation requirements of a power grid, but also quickly cutting off the fault part from the power grid when the power equipment or lines have faults, thereby ensuring the normal operation of the fault-free part in the power grid and the safety of equipment and operation maintenance personnel. Therefore, the high-voltage switch equipment is very important power transmission and distribution equipment, and the safe and reliable operation of the high-voltage switch equipment has very important significance on the safe and effective operation of a power system.
With the rapid development of power systems, the application range of high-voltage switchgear is expanding, and the importance of the high-voltage switchgear is becoming more and more prominent. In the process of equipment operation, the service performance and stability of the equipment are directly related to the safety and stability of power distribution, and an insulation fault is one of the high-occurrence faults in recent years; therefore, while the insulating material of the high-voltage switchgear is improved, the high-voltage insulation condition of the high-voltage switchgear needs to be monitored.
The intelligent high-voltage switch equipment is high-performance switch equipment and control equipment, is provided with a sensor and an intelligent electronic device, not only has the basic functions of the switch equipment, but also can sense the state of the switch equipment and the power grid and carry out intelligent evaluation, can interact with the intelligent power grid according to the evaluation result, and realizes the self optimal control of the switch equipment, supports the optimal operation of the intelligent power grid and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an intelligent switch device.
The purpose of the invention is realized by the following technical scheme:
an intelligent switch device comprises a cabinet body, an instrument room, a handcart room, a cable room and a bus room, wherein the inside of the cabinet body is divided into a first cavity and a second cavity by a vertically arranged middle partition plate of the cabinet body, the instrument room is arranged on the upper side of the first cavity, the handcart room is arranged on the lower side of the instrument room in the first cavity, the second cavity is divided into the cable room and the bus room by a bus room partition plate, the bus room is arranged on the left lower side of the second cavity, and insulation detection assemblies are arranged at the tops of the first cavity and the second cavity;
the handcart room is provided with a circuit breaker handcart, and the circuit breaker handcart is respectively connected with the cable room and the bus room;
an intelligent processing assembly is arranged in the instrument room, and the intelligent processing assembly is connected with the insulation detection assembly through a cable;
the intelligent processing assembly comprises an intelligent processing module, an alarm module, a storage module and a signal transmission module, wherein the alarm module, the storage module, the signal transmission module and the insulation detection assembly are all electrically connected with the intelligent processing module.
Further, the circuit breaker handcart comprises a conductive rod type mutual inductor, a current measuring module, a voltage measuring module, a data monitoring assembly and a vacuum arc-extinguishing chamber, the conductive rod type mutual inductor is arranged on the upper side of the circuit breaker handcart, the vacuum arc-extinguishing chamber is arranged on the upper side of the conductive rod type mutual inductor, the current measuring module and the voltage measuring module are arranged in the conductive rod type mutual inductor, the input ends of the current measuring module and the voltage measuring module are connected with the conductive outer end arranged in the vacuum arc-extinguishing chamber, the output ends of the current measuring module and the voltage measuring module are connected with the data monitoring assembly arranged on the circuit breaker handcart, the upper end of the vacuum arc-extinguishing chamber is connected with the cable chamber, the upper end of the conductive rod type mutual inductor is connected with the bus chamber, the data monitoring assembly is electrically connected with the intelligent processing module.
Further, intelligence processing assembly still includes the signal display module that is used for showing ozone concentration, the signal display module includes green signal lamp, red signal lamp and orange signal lamp, green signal lamp, red signal lamp and orange signal lamp all with intelligence processing module electricity is connected.
Furthermore, an insulating sleeve, a main bus, a first branch bus and a lower contact box are arranged in the bus chamber, the insulating sleeve is arranged on the cabinet body and wraps the outer side of the main bus, one end of the main bus is connected with one end of the first branch bus, the other end of the first branch bus is connected with one end of the lower contact box, the lower contact box is arranged on a partition plate in the middle of the cabinet body, and the lower contact box is detachably connected with the conductive rod type mutual inductor.
Further, be provided with contact box, earthing switch, second generating line, insulating support and cable in the cable chamber, the one end of cable links to each other with high voltage power supply, its other end with the one end of second generating line links to each other, the other end of second generating line with earthing switch links to each other, it links to each other with second generating line to go up contact box one end, go up the contact box other end with vacuum interrupter can dismantle the connection, go up the contact box with earthing switch all fixes the setting on cabinet body middle part baffle, the one end of insulating support with second generating line links to each other, the other end of insulating support with bus-bar room baffle links to each other.
Furthermore, the lower contact box is matched with the lower contact, the lower contact is arranged at one end of the lower conducting rod, the other end of the lower conducting rod is arranged in the mutual inductor with the conducting rod, and the end part of the lower conducting rod is electrically connected with the lower end of the vacuum arc-extinguishing chamber.
Furthermore, the upper contact box is matched with the upper contact, the upper contact is arranged at one end of the upper conductive rod, the other end of the upper conductive rod is connected with the wire outlet seat, and the wire outlet seat is arranged at the upper end of the vacuum arc extinguish chamber.
Furthermore, the wire outlet seat is connected with one end of an insulator, and the other end of the insulator is connected with an L-shaped circuit breaker handcart.
Further, take conducting rod mutual-inductor inside to be provided with the cavity, be provided with drive assembly in the cavity, drive assembly's one end with vacuum interrupter links to each other, drive assembly's the other end links to each other with the one end of insulating pull rod, the other end of insulating pull rod links to each other with operating device, operating device is fixed to be set up on the circuit breaker handcart.
Furthermore, the transmission assembly comprises a rotating shaft and a rotating rod, the rotating shaft is arranged on the inner wall of the cavity, a rotating hole which is circular and matched with the rotating shaft is formed in the middle of the rotating rod, one end of the rotating rod is hinged with the end part of the insulating pull rod, a long hole is formed in the other end of the rotating rod, a moving contact is arranged inside the vacuum arc extinguish chamber, a cylindrical fixed shaft is fixedly arranged at the lower end of the moving contact, and the fixed shaft is matched with the long hole.
The invention has the beneficial effects that:
1) in this switchgear, at internal insulating determine module and the intelligent processing subassembly of being provided with of cabinet, insulating determine module detects and calculates the cabinet produced ozone concentration and transmits to intelligent processing subassembly when discharging, the staff can be according to intelligent processing subassembly's on-the-spot signal lamp or according to intelligent processing subassembly transmission data to computer and cell-phone terminal, real-time supervision switchgear's insulation level, can send the police dispatch newspaper if ozone concentration exceeds standard, the staff can in time maintain like this, ensure that equipment can normal operating, realize switchgear intellectuality like this.
2) In this switchgear, current measurement module and voltage measurement module on the circuit breaker handcart, current and voltage data when current measurement module and voltage measurement module can real-time transmission vacuum interrupter divide-shut brake give the data monitoring subassembly, and the data monitoring subassembly analysis back of calculating can judge whether normal work of vacuum interrupter, and the data monitoring subassembly transmits the detection data for intelligent processing subassembly and finally can send to computer and cell-phone terminal simultaneously.
3) In the switch equipment, the circuit breaker with the conductive rod type mutual inductor is arranged on the circuit breaker handcart, and the mutual inductor with the conductive rod is connected with the lower contact, so that the lapping surface is reduced, the resistance is reduced, and the reliability of the switch equipment is improved.
Drawings
FIG. 1 is a schematic view of the internal connection structure of the switchgear;
FIG. 2 is a schematic diagram of a connection structure of a circuit breaker handcart;
FIG. 3 is a schematic view of an internal connection structure of a mutual inductor with conductive bars;
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;
fig. 5 is a schematic diagram of the signal connection structure of the switch device.
In the figure, 1-cabinet, 2-insulating sleeve, 3-main bus, 4-first branch bus, 5-lower contact box, 6-breaker handcart, 7-mutual inductor with conductive rod, 8-current measuring module, 9-voltage measuring module, 10-data monitoring assembly, 11-cabinet middle clapboard, 12-bus chamber clapboard, 13-upper contact box, 14-grounding switch, 15-second branch bus, 16-insulating support, 17-cable, 18-insulating detection assembly, 19-intelligent processing assembly, 20-vacuum arc extinguish chamber, 21-lower contact, 22-lower conductive rod, 23-upper contact, 24-upper conductive rod, 25-wire outlet seat, 26-insulator, 27-cavity, 28-insulating pull rod, 29-operating mechanism, 30-rotating shaft, 31-rotating rod, 32-elongated hole, 33-moving contact, 34-fixed shaft, 35-insulating shell, 36-static contact and 37-contact ring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
an intelligent switch device comprises a cabinet body 1, an instrument room, a handcart room, a cable room and a bus room, wherein the interior of the cabinet body 1 is divided into a first cavity and a second cavity by a vertically arranged cabinet body middle partition plate 11, the instrument room is arranged on the upper side of the first cavity, the handcart room is arranged on the lower side of the instrument room in the first cavity, the second cavity is divided into the cable room and the bus room by a bus room partition plate 12, the bus room is arranged on the left lower side of the second cavity, and insulation detection assemblies 18 are arranged at the tops of the first cavity and the second cavity; the handcart room is provided with a circuit breaker handcart, the circuit breaker handcart is respectively connected with the cable room and the bus room, in the embodiment, the circuit breaker handcart is provided with three groups of vacuum arc-extinguishing chambers 20, and because three phases of electricity are commonly used, each line is provided with one vacuum arc-extinguishing chamber 20 for control; an intelligent processing assembly 19 is arranged in the instrument room, and the intelligent processing assembly 19 is connected with the insulation detection assembly 18 through a cable; the intelligent processing assembly 19 comprises an intelligent processing module, an alarm module, a storage module and a signal transmission module, wherein the alarm module, the storage module, the signal transmission module and the insulation detection assembly 18 are all electrically connected with the intelligent processing module. The circuit breaker handcart can be movably pushed into a handcart chamber, and a low-voltage secondary control element and an intelligent processing assembly 19 are arranged in the instrument chamber and used for monitoring the state of each primary element in the switch equipment. Intelligence processing module, alarm module, storage module and signal transmission module, alarm module, storage module, signal transmission module are prior art equipment, and intelligence processing subassembly 19 is still including the signal display module who is used for showing ozone concentration, and the signal display module includes green signal lamp, red signal lamp and orange signal lamp, and green signal lamp, red signal lamp and orange signal lamp all are connected with intelligent processing module electricity. The circuit breaker handcart 6 comprises a mutual inductor 7 with a conducting rod, a current measuring module 8, a voltage measuring module 9, a data monitoring assembly 10 and a vacuum arc-extinguishing chamber 20, wherein the mutual inductor 7 with a conducting rod is arranged on the upper side of the circuit breaker handcart 6, the vacuum arc-extinguishing chamber 20 is arranged on the upper side of the mutual inductor 7 with a conducting rod, the current measuring module 8 and the voltage measuring module 9 are both arranged inside the mutual inductor 7 with a conducting rod, and the input ends of the current measuring module 8 and the voltage measuring module 9 are connected with the conductive outer end arranged inside the vacuum arc-extinguishing chamber 20, the output ends of the current measuring module 8 and the voltage measuring module 9 are connected with the data monitoring assembly 10 arranged on the circuit breaker handcart 6, the upper end of the vacuum arc-extinguishing chamber 20 is connected with a cable chamber, the upper end with the conductive rod type mutual inductor 7 is connected with a bus chamber, and the data monitoring assembly 10 is electrically connected with the intelligent processing module. The vacuum arc-extinguishing chamber 20 comprises an insulating shell 35, a movable contact 33 and a fixed contact 36, wherein the movable contact 33 and the fixed contact 36 are both arranged inside the insulating shell 35, and when the vacuum arc-extinguishing chamber is electrified, the lower end of the fixed contact 36 is in contact with and matched with the upper end of the movable contact 33. The vacuum arc-extinguishing chamber 20 is equipment for realizing direct on-off of a high-voltage transmission line, the static contact 36 is fixed inside the insulating shell 35, the movable contact 33 is movable inside the insulating shell 35, when the lower end of the static contact 36 is in contact with the upper end of the movable contact 33, the vacuum arc-extinguishing chamber 20 is communicated inside to realize power-on, and at the moment, the switch-on is carried out; when the lower end of the static contact 36 is separated from the upper end of the movable contact 33, the interior of the vacuum arc-extinguishing chamber 20 is disconnected, and the power failure is realized, and the opening is performed at the moment. The current measuring module 8 and the voltage measuring module 9 are arranged on the circuit breaker handcart, the current measuring module 8 and the voltage measuring module 9 can transmit current and voltage data of the vacuum arc extinguish chamber 20 during switching on and switching off to the data monitoring assembly 10 in real time, the data monitoring assembly 10 can judge whether the vacuum arc extinguish chamber 20 works normally after analyzing and calculating, and meanwhile, the data monitoring assembly 10 transmits detection data to the intelligent processing assembly 19 and finally can transmit the detection data to a computer and a mobile phone terminal.
The insulation detection assembly 18 is an ozone detector, and the ozone detector detects the concentration of ozone by using an ultraviolet absorption method, wherein the ozone has the maximum absorption coefficient to ultraviolet rays with the wavelength of 200-300 nm. The ozone detector is internally provided with an ultraviolet lamp, a light wave filter, a sample photoelectric sensor, a sampling photoelectric sensor, an ozone pool and an amplifier, wherein the ultraviolet lamp can generate ultraviolet rays, the ultraviolet rays with the wavelength of 200-300 nm are left after being filtered by the light wave filter, the ultraviolet rays with the wavelength enter the sample photoelectric sensor for sampling, the ultraviolet rays with the wavelength are absorbed by the ozone pool (ozone in the ozone pool is derived from ozone generated in the switch device), then the ultraviolet rays reach the sampling photoelectric sensor after passing through the amplifier, finally the electric signals of the sample photoelectric sensor and the sampling photoelectric sensor are compared, the ozone concentration is obtained through calculation of a mathematical model, and the ozone concentration is transmitted to the intelligent processing component 19.
When the inside of a vacuum arc-extinguishing chamber 20 on a circuit breaker handcart 6 is switched on or off, a current measuring module 8 and a voltage measuring module 9 in a conductive rod type mutual inductor 7 transmit the measured current and voltage in the vacuum arc-extinguishing chamber 20 during switching on or off to a data monitoring assembly 10, and a worker can judge whether the vacuum arc-extinguishing chamber 20 on the circuit breaker handcart 6 normally works or not through real-time parameters on the data monitoring assembly 10. When the switchgear discharges, ozone is generated, at the moment, the insulation detection assembly 18 detects and calculates the concentration of ozone released when the handcart chamber and the bus chamber generate electric arcs by utilizing the characteristic that the ozone absorbs ultraviolet rays, if the concentration of the ozone exceeds a set value, the intelligent processing assembly 19 gives an alarm, a worker can cut off the power to check whether a contact is damaged or not and whether an insulation piece near the contact is burnt or not, and then whether the switchgear can normally work or not is judged and whether elements need to be replaced or not.
If the switching equipment is internally discharged, ozone is generated, the insulating detection assembly 18 detects and calculates the ozone concentration of the handcart room and the cable room by using the characteristic that ozone absorbs ultraviolet rays, and the data transmission module in the insulating detection assembly 18 transmits the ozone concentration to the intelligent processing assembly 19 in real time. Be provided with ozone concentration intelligence processing module, alarm module, storage module and wireless transmission module in the intelligence processing subassembly 19, install three signal lamps on the intelligence processing subassembly 19, be green signal lamp, red signal lamp and orange signal lamp respectively. The intelligent processing module converts the received ozone concentration into three different signals according to the low, medium and high ozone concentration respectively, and displays the three different signals on corresponding signal lamps. Three different electrical signal lamps represent three different levels of corona discharge occurring within the cabinet: the green signal lamp indicates that the concentration of ozone in the cabinet body is low, and no obvious corona discharge phenomenon occurs in the cabinet body, so that the cabinet body works normally without special attention; the red signal lamp shows that the concentration of ozone is medium, the cabinet body has a relatively obvious corona discharge phenomenon, and the cabinet body possibly has small faults or abnormal temperature and humidity and needs to cause the vigilance of workers; orange signal lamp shows that ozone concentration is high, and obvious corona discharge phenomenon appears in the cabinet body, and switchgear work is unusual, needs the staff outage check out test set at once, if orange signal lamp is bright, and the alarm module in the intelligence processing subassembly 19 can send out the police dispatch newspaper. Storage module storage ozone concentration conversion signal to through wireless transmission module with signal transmission to computer monitoring software backstage, the monitoring software on the staff's accessible cell-phone looks over the ozone concentration signal, and then judges whether normal operating of switchgear, if the orange signal lamp is bright, monitoring software can send out the police dispatch newspaper.
In some embodiments, an upper contact box 13, a grounding switch 14, a second branch bus 15, an insulating strut 16 and a cable 17 are arranged in the cable chamber, one end of the cable 17 is connected with a high-voltage power supply, the other end of the cable 17 is connected with one end of the second branch bus 15, the other end of the second branch bus 15 is connected with the grounding switch 14, one end of the upper contact box 13 is connected with the second branch bus 15, the other end of the upper contact box 13 is detachably connected with a vacuum arc-extinguishing chamber 20, the upper contact box 13 and the grounding switch 14 are both fixedly arranged on the middle partition board 11 of the cabinet body, one end of the insulating strut 16 is connected with the second branch bus 15, and the other end of the insulating strut 16 is connected with the bus chamber partition board. The upper contact box 13 is matched with the upper contact 23, the upper contact 23 is arranged at one end of the upper conductive rod 24, the other end of the upper conductive rod 24 is connected with the wire outlet seat 25, and the wire outlet seat 25 is arranged at the upper end of the vacuum arc-extinguishing chamber 20. The current enters the vacuum interrupter 20 on the following route: the current flows in from the cable 17, and enters the static contact 36 after sequentially passing through the second branch bus 15, the upper contact box 13, the upper contact 23, the upper conductive rod 24 and the outlet base 25.
In some embodiments, the bus chamber is internally provided with an insulating sleeve 2, a main bus 3, a first branch bus 4 and a lower contact box 5, the insulating sleeve 2 is arranged on the cabinet body 1 and wrapped outside the main bus 3, one end of the main bus 3 is connected with one end of the first branch bus 4, the other end of the first branch bus 4 is connected with one end of the lower contact box 5, the lower contact box 5 is arranged on the middle partition plate 11 of the cabinet body, and the lower contact box 5 is detachably connected with the rod type transformer 7 with conductive mutual inductor. The lower contact box 5 is matched with a lower contact 21, the lower contact 21 is arranged at one end of a lower conducting rod 22, the other end of the lower conducting rod 22 is arranged in the mutual inductor 7 with the conducting rod, and the end part of the lower conducting rod 22 is electrically connected with the lower end of the vacuum arc extinguish chamber 20. The lower conducting rod 22 and the moving contact 33 are connected inside the strip conducting rod type transformer 7, a contact ring 37 matched with the moving contact 33 is arranged at the end part of the lower conducting rod 22, and the current flows out of the vacuum arc-extinguishing chamber 20 by the following route: the movable contact 33 starts, then passes through the mutual inductor 7 with a conducting rod, the lower contact 21, the lower contact box 5 and the first branch bus 4 in sequence, and finally flows out of the main bus 3.
In some embodiments, the grounding switch 14 is fixed on the cabinet body middle partition plate 11, the upper contact box 13 and the lower contact box 5 respectively penetrate through the cabinet body middle partition plate 11 and are fixed on the cabinet body 1 middle partition plate 11, and the bus bar chamber partition plate 12 supports the upper contact box 13 and the lower contact box 5.
In some embodiments, the outlet base 25 is connected to one end of an insulator 26, and the other end of the insulator 26 is connected to the L-shaped circuit breaker trolley 6. The circuit breaker handcart is detachable relative to the whole switch device, the lower contact 21 and the upper contact 23 are integrated with the circuit breaker handcart, the lower contact box 5 and the upper contact box 13 are integrated with the cabinet body 1, and in order to prevent the circuit breaker handcart from being damaged in the assembling and disassembling process, the insulator 26 is arranged to play a supporting role.
In some embodiments, the conductive rod type transformer 7 is provided with a cavity 27 inside, a transmission assembly is arranged in the cavity 27, one end of the transmission assembly is connected with the vacuum arc-extinguishing chamber 20, the other end of the transmission assembly is connected with one end of an insulating pull rod 28, the other end of the insulating pull rod 28 is connected with an operating mechanism 29, and the operating mechanism 29 is fixedly arranged on the circuit breaker handcart 6. The purpose of the transmission assembly is to make the moving contact 33 instantaneously move, so that the moving contact 33 and the fixed contact 36 are instantaneously contacted or instantaneously separated. The transmission assembly comprises a rotating shaft 30 and a rotating rod 31, the rotating shaft 30 is arranged on the inner wall of the cavity 27, a circular rotating hole matched with the rotating shaft 30 is formed in the middle of the rotating rod 31, one end of the rotating rod 31 is hinged to the end of the insulating pull rod 28, a long hole 32 is formed in the other end of the rotating rod 31, a movable contact 33 is arranged inside the vacuum arc-extinguishing chamber 20, a cylindrical fixed shaft 34 is fixedly arranged at the lower end of the movable contact 33, and the fixed shaft 34 is matched with the long hole 32. The rotating rod 31 can rotate around the rotating shaft 30, two ends of the rotating shaft 30 are both fixed on the inner wall of the cavity 27 in the mutual inductor 7 with the conductive rod, and one end of the rotating rod 31 is hinged with the end of the insulating pull rod 28, so when the insulating pull rod 28 pushes the end of the rotating rod 31, the moving contact 33 can move towards the static contact 36 under the action of the rotating rod 31 according to the lever principle, and circuit communication is realized; when the insulating pull rod 28 is at the end of the pull rod 31, the movable contact 33 will move away from the fixed contact 36 under the action of the pull rod 31 according to the lever principle, so as to open the circuit. Because the rotating rod 31 rotates and the movable contact 33 reciprocates up and down, in order to prevent the interference between the rotating rod 31 and the movable contact 33, the end part of the rotating rod 31 is provided with a long hole 32, and the fixed shaft 34 at the lower end of the movable contact 33 can move in the long hole 32, so that the interference is avoided, and the movable contact 33 cannot move. In order to ensure smooth transmission, the ends of the insulating pull rod 28 and the movable contact 33 are provided with two lugs, and the ends of the two ends of the rotating rod 31 are clamped between the two lugs.
In some embodiments, the current measuring module 8 includes a current core, a current input side winding coil and a current output side winding coil, the current core is a closed core, the current input side winding coil and the current output side winding coil are wound on the current core in an opposite manner, an input end of the current input side winding coil is connected to the movable contact 33, an output end of the current input side winding coil is connected to the lower conductive rod 22, where the movable contact 33 and the lower conductive rod 22 are conductive outer ends of the vacuum interrupter, an output end of the current input side winding coil is connected to an end of the other end of the movable contact 33, and ends of both ends of the current output side winding coil are connected to the data monitoring assembly 10. The data monitoring assembly 10 is known in the art and is used to record the measured data, and the current measuring module 8 is connected to the active measuring moving contact 33 in this way. The current measuring module 8 can convert a large current passing through the movable contact 33 into a small current acceptable for the data monitoring assembly 10. The current measuring module 8 adopts a current transformer, and the principle of the current transformer is based on the electromagnetic induction principle.
In some embodiments, the voltage measuring module 9 includes a voltage core, a voltage input side winding coil and a voltage output side winding coil, the voltage core is a closed core, the voltage input side winding coil and the voltage output side winding coil are wound on the voltage core in an opposite manner, an input end of the voltage input side winding coil is connected to the movable contact 33, an output end of the voltage input side winding coil is grounded, and end portions of two ends of the voltage output side winding coil are connected to the data monitoring assembly 10. The data monitoring assembly 10 is of the prior art and is used to record measured data. The voltage measuring module 9 can convert the high voltage across the movable contact 33 into a low voltage acceptable to the data monitoring assembly 13. The voltage measuring module 9 is a voltage transformer, which is an instrument for transforming the voltage on the line.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The intelligent switch equipment is characterized by comprising a cabinet body (1), an instrument room, a handcart room, a cable room and a bus room, wherein the inside of the cabinet body (1) is divided into a first cavity and a second cavity by a vertically arranged cabinet body middle partition plate (11), the instrument room is arranged on the upper side of the first cavity, the handcart room is arranged on the lower side of the instrument room in the first cavity, the second cavity is divided into the cable room and the bus room by a bus room partition plate (12), the bus room is arranged on the lower left side of the second cavity, and insulation detection assemblies (18) are arranged at the tops of the first cavity and the second cavity;
the handcart room is provided with a circuit breaker handcart, and the circuit breaker handcart is respectively connected with the cable room and the bus room;
an intelligent processing assembly (19) is arranged in the instrument room, and the intelligent processing assembly (19) is connected with the insulation detection assembly (18) through a cable;
the intelligent processing assembly (19) comprises an intelligent processing module, an alarm module, a storage module and a signal transmission module, and the alarm module, the storage module, the signal transmission module and the insulation detection assembly (18) are all electrically connected with the intelligent processing module.
2. An intelligent switching device, according to claim 1, characterized in that: the circuit breaker handcart (6) comprises a conductive rod type mutual inductor (7), a current measuring module (8), a voltage measuring module (9), a data monitoring assembly (10) and a vacuum arc-extinguishing chamber (20), wherein the conductive rod type mutual inductor (7) is arranged on the upper side of the circuit breaker handcart (6), the vacuum arc-extinguishing chamber (20) is arranged on the upper side of the conductive rod type mutual inductor (7), the current measuring module (8) and the voltage measuring module (9) are arranged in the conductive rod type mutual inductor (7), the input end of the current measuring module (8) and the input end of the voltage measuring module (9) are connected with the conductive outer end arranged in the vacuum arc-extinguishing chamber (20), the output end of the current measuring module (8) and the output end of the voltage measuring module (9) are connected with the data monitoring assembly (10) arranged on the circuit breaker handcart (6), the upper end of the vacuum arc extinguish chamber (20) is connected with the cable chamber, the upper end of the mutual inductor (7) with the conductive rod type is connected with the bus chamber, and the data monitoring assembly (10) is electrically connected with the intelligent processing module.
3. An intelligent switching device, according to claim 1, characterized in that: the intelligent processing assembly (19) further comprises a signal display module for displaying the concentration of ozone, the signal display module comprises a green signal lamp, a red signal lamp and an orange signal lamp, and the green signal lamp, the red signal lamp and the orange signal lamp are all electrically connected with the intelligent processing module.
4. An intelligent switching device, according to claim 2, characterized in that: the utility model discloses a cabinet body, including the cabinet body, the cabinet body is characterized in that the bus-bar chamber is indoor to be provided with insulation support (2), main bus (3), first generating line (4) and lower contact box (5), insulation support (2) set up just the parcel is in on the cabinet body (1) the outside of main bus (3), the one end of main bus (3) with first generating line (4) one end is connected, the other end of first generating line (4) with the one end of lower contact box (5) is connected, lower contact box (5) set up on cabinet body middle part baffle (11), just lower contact box (5) with take and to dismantle the connection between conducting rod formula mutual-inductor (7).
5. An intelligent switching device, according to claim 2, characterized in that: an upper contact box (13), a grounding switch (14), a second branch bus (15), an insulating pillar (16) and a cable (17) are arranged in the cable chamber, one end of the cable (17) is connected with a high-voltage power supply, the other end of the first branch bus (15) is connected with one end of the second branch bus (15), the other end of the second branch bus (15) is connected with the grounding switch (14), one end of the upper contact box (13) is connected with the second branch bus (15), the other end of the upper contact box (13) is detachably connected with the vacuum arc-extinguishing chamber (20), the upper contact box (13) and the grounding switch (14) are both fixedly arranged on the middle clapboard (11) of the cabinet body, one end of the insulating support column (16) is connected with the second branch bus bar (15), the other end of the insulating support column (16) is connected with the bus chamber partition plate (12).
6. An intelligent switching device, according to claim 4, wherein: the lower contact box (5) is matched with the lower contact (21), the lower contact (21) is arranged at one end of a lower conducting rod (22), the other end of the lower conducting rod (22) is arranged in the transformer (7) with the conducting rod, and the end part of the lower conducting rod (22) is electrically connected with the lower end of the vacuum arc-extinguishing chamber (20).
7. An intelligent switching device, according to claim 5, wherein: go up contact box (13) and last contact (23) cooperation, go up contact (23) and set up the one end at last conducting rod (24), the other end and the seat of being qualified for the next round of competitions (25) of going up conducting rod (24) link to each other, the seat of being qualified for the next round of competitions (25) set up the upper end of vacuum interrupter (20).
8. An intelligent switching device, according to claim 7, wherein: the outgoing line seat (25) is connected with one end of an insulator (26), and the other end of the insulator (26) is connected with a circuit breaker handcart (6) in an L shape.
9. An intelligent switching device, according to claim 2, characterized in that: the utility model discloses a circuit breaker, including take conducting rod type mutual-inductor (7) inside cavity (27) that is provided with, be provided with drive assembly in cavity (27), drive assembly's one end with vacuum interrupter (20) link to each other, drive assembly's the other end links to each other with the one end of insulating pull rod (28), the other end of insulating pull rod (28) links to each other with operating device (29), operating device (29) are fixed to be set up on circuit breaker handcart (6).
10. An intelligent switching device, according to claim 9, wherein: the transmission assembly comprises a rotating shaft (30) and a rotating rod (31), the rotating shaft (30) is arranged on the inner wall of the cavity (27), the middle of the rotating rod (31) is provided with a rotating hole which is circular and matched with the rotating shaft (30), one end of the rotating rod (31) is hinged to the end of the insulating pull rod (28), the other end of the rotating rod (31) is provided with a long hole (32), a moving contact (33) is arranged inside the vacuum arc-extinguishing chamber (20), a cylindrical fixed shaft (34) is fixedly arranged at the lower end of the moving contact (33), and the fixed shaft (34) is matched with the long hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548220.XA CN112701605A (en) | 2020-12-24 | 2020-12-24 | Intelligent switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548220.XA CN112701605A (en) | 2020-12-24 | 2020-12-24 | Intelligent switchgear |
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| CN112701605A true CN112701605A (en) | 2021-04-23 |
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| CN202011548220.XA Pending CN112701605A (en) | 2020-12-24 | 2020-12-24 | Intelligent switchgear |
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