CN116953305B - High tension switchgear on-line monitoring device based on internet - Google Patents
High tension switchgear on-line monitoring device based on internet Download PDFInfo
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- CN116953305B CN116953305B CN202311211344.2A CN202311211344A CN116953305B CN 116953305 B CN116953305 B CN 116953305B CN 202311211344 A CN202311211344 A CN 202311211344A CN 116953305 B CN116953305 B CN 116953305B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
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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
-
- 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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
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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
- Y04S40/128—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 involving the use of Internet protocol
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The application discloses an internet-based high-voltage switch cabinet online monitoring device, which relates to the technical field of high-voltage switch cabinets, wherein a monitoring main body comprises: the monitoring device comprises a monitoring shell, an assembly component, a wiring positioning component and a gas supply component; wherein, a main control module and a monitoring module are arranged in the monitoring shell; the assembly component comprises a connecting piece and a connecting groove block which are mutually inserted, and the wiring positioning component is used for separating a data cable connected between the switch cabinet main body and the monitoring main body; the technical key points are as follows: through combining the three group structures of assembly component, wiring locating component and air feed subassembly, realize coordinated type operation, at the in-process of connecting piece and mutual cartridge of spread groove piece, play the connection location effect, conveniently split, monitoring devices can accomplish the automatic adjustment operation to the inflation volume according to the diameter of data cable when the connecting piece produces down pressure to the inflatable bladder, has realized carrying out effectual location processing to each data cable of different diameters.
Description
Technical Field
The application relates to the technical field of high-voltage switch cabinets, in particular to an online monitoring device of a high-voltage switch cabinet based on the Internet.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and has the functions of on-off, control or protection and the like; the high-voltage switch cabinet is an electrical product with the voltage class of 3.6 kV-550 kV, and the high-voltage isolating switch, the grounding switch, the high-voltage load switch, the high-voltage automatic superposition and sectionalizer, the high-voltage operating mechanism, the high-voltage explosion-proof power distribution device, the high-voltage switch cabinet and the like are large.
When the high-voltage switch cabinet is used, an on-line monitoring device is usually required to be equipped to complete the monitoring work of the high-voltage switch cabinet, the traditional switch cabinet monitoring device is installed in an instrument room of the high-voltage switch cabinet and is mainly responsible for data measurement, protection control, parameter display and internet communication functions of the high-voltage switch cabinet, a man-machine interaction interface is provided, a sensor array and a mutual inductor signal are mainly measured, operation processing is carried out to obtain voltage and current values, and when overload occurs to a system in the high-voltage switch cabinet, an overload protection signal is timely sent to a circuit breaker.
However, when the traditional high-voltage switch cabinet is assembled by matching with the monitoring device, the position of the traditional high-voltage switch cabinet is usually required to be fixed by means of more screws, the follow-up splitting operation is unfavorable for improving the maintenance efficiency, and the data cables which play a role in connection between the monitoring device and the high-voltage switch cabinet are easy to produce larger gaps with the monitoring device after passing through the monitoring device due to different diameters of the data cables, so that the traditional high-voltage switch cabinet can be plugged by using viscose, but cannot be used for the second time, thereby causing material waste.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the online monitoring device of the high-voltage switch cabinet based on the Internet, which realizes linkage operation by combining three groups of structures of an assembly component, a wiring positioning component and an air supply component, plays a role in connection and positioning in the process of mutually inserting and combining a connecting piece and a connecting groove block, is convenient to split, and can automatically adjust the inflation amount according to the diameter of a data cable when the connecting piece presses down an inflatable bag, thereby realizing effective positioning treatment on each data cable with different diameters and solving the problems in the background technology.
(II) technical scheme
The utility model provides a high tension switchgear on-line monitoring device based on internet, includes the cubical switchboard main part, and detachably installs the monitoring main part on the cabinet board of cubical switchboard main part front side, the monitoring main part includes: the monitoring device comprises a monitoring shell, an assembly component, a wiring positioning component and a gas supply component;
the monitoring system comprises a monitoring shell, a main control module and a monitoring module, wherein the main control module and the monitoring module are mutually connected in series, the main control module is used for controlling the whole monitoring main body, and the monitoring module is used for monitoring state information of the switch cabinet main body;
the assembly component comprises at least two groups of connecting pieces and connecting groove blocks which are mutually inserted, wherein the connecting pieces are fixedly connected with the back side of the monitoring shell, and the connecting groove blocks are arranged on the surface of the cabinet plate;
the wiring positioning assembly is arranged at the bottom side of the monitoring shell and is used for separating a plurality of data cables connected between the switch cabinet main body and the monitoring main body; and
the air supply assembly comprises an air charging bag, a barrel groove block and an inserting barrel which are sequentially communicated in the flowing direction of the air charging airflow, the connecting piece is in initial contact with a glue block bonded at the top of the air charging bag, the inserting barrel is inserted into the barrel groove block, the air charging bag can synchronously supply air to each bag ring in the wire positioning assembly, a data cable passes through the area between the inner walls of the bag rings, the bag rings in the air charging state clamp and fix the data cable, and meanwhile, gaps between the bag rings and the target data cable are also blocked, so that dust or insects are prevented from entering the inner cavity of the monitoring main body.
In one possible implementation manner, the main control module comprises a main control singlechip and a communication unit which are arranged on the surface of the substrate, and a display unit which is embedded on the front side of the switch cabinet main body;
the communication unit is in wireless communication connection with an external internet control station;
the display unit adopts a touch control type display screen, and the display unit is used for displaying the state information monitored by the monitoring module, and the state information at least comprises: temperature and current signals in the cabinet.
In one possible implementation manner, the monitoring module comprises a monitoring singlechip, an analog-to-digital conversion unit and a photoelectric isolator, wherein the monitoring singlechip, the analog-to-digital conversion unit and the photoelectric isolator are arranged on the surface of the substrate;
a dual-port memory unit is arranged between the monitoring singlechip and the main control singlechip and used for sharing the memories of the two singlechips;
the analog-to-digital conversion unit is connected with a sensor unit arranged in the switch cabinet main body through each data cable, the sensor unit is used for acquiring state information, and the sensor unit at least comprises: a temperature sensor and a TMR sensor;
when the monitoring module monitors a fault signal, the photoelectric isolator executes tripping protection action and is used for disconnecting the switch cabinet main body from the power supply.
In one possible implementation manner, the top cover of the monitoring shell is provided with a cover plate, the bottom of the monitoring shell is embedded with a power module, and the power module is used for supplying power to the main control module and the monitoring module.
In a possible implementation manner, both sides of the connecting piece are provided with arc-shaped elastic pieces, plug ends at the bottom side of the connecting piece are in a V shape, the inner walls of connecting groove blocks positioned on the moving track of the connecting piece are welded with contact pieces, the contact pieces are connected with the master control singlechip through wires, the contact pieces are in contact circuit communication with the elastic pieces, and the elastic pieces on different connecting pieces are respectively in electric connection with the measuring assembly and the micro cylinder; when the elastic sheet is completely contacted with the contact sheet on the inner wall of the connecting groove block, the electric connection can be realized, the signal path between the measuring assembly and the micro cylinder is ensured, the elastic sheet and the contact sheet can be disconnected after being separated, and the measuring assembly or the micro cylinder can be overhauled or replaced conveniently.
In one possible implementation manner, the measuring assembly comprises two groups of micrometers symmetrically distributed, and the micrometers are arranged at the bottom side of the wiring positioning assembly and are used for measuring the outer diameter of each data cable;
the miniature air cylinder is arranged at the bottom side of the connecting groove block, the end head of a piston rod matched with the miniature air cylinder extends into the connecting groove block and is in spiral connection with the bottom side of the inflatable bag, a spring is arranged between the inner walls of the inflatable bag in the extending direction of the inflatable bag, and the inflatable bag is communicated with the inner cavity of the cylinder groove block through an embedded inner rubber pipe;
in the state that the measuring assembly and the micro cylinder are connected in series, the operation is completed according to the following steps:
s1, the master control singlechip receives the outer diameters of all the data cables measured by the measuring assembly, and calculates to obtain the outer diameter sum;
s2, obtaining the elongation of the micro cylinder through analysis of a rule engine built in the master control singlechip, and sending an elongation action instruction to the master control singlechip, wherein the input content of the rule engine is as follows: the ratio between the outer diameter and the elongation is 12:1, the ratio is also selected according to actual conditions, when the balloon rings with different specifications and different data cables are replaced, the ratio can be adjusted, the adjusted ratio can be used for obtaining an accurate value by continuous experiments, meanwhile, the units of the outer diameter and the elongation are millimeter, the elongation of the micro cylinder is adjusted according to the ratio, so that the balloon rings can be ensured to just complete clamping and positioning of target data cables, and the influence on the service life of the balloon rings due to excessive inflation is avoided;
and S3, executing an extension action instruction by the micro cylinder.
In one possible implementation manner, the wiring positioning assembly further comprises a plate condition and a plurality of wire holes formed in the bottom side of the plate condition, the number of the plate members is consistent with that of the bag rings, the bag rings are embedded in the corresponding wire holes, the bag rings are all communicated with the inserting cylinders, the extending directions of the bag rings face the center positions of the bag rings, and the bag rings are ensured to finish clamping operation on the target data cable when being inflated.
In one possible implementation manner, at least two groups of sealing rings are sleeved on the outer side of the plug tube, the plug tube and any connecting piece are distributed adjacently, the plug tube is fixed on the back side of the monitoring shell, and the tube groove blocks corresponding to the plug tube are welded on the side sides of the connecting groove blocks.
In a possible implementation manner, the rubber block is always located in the connecting groove block, an air flow channel with a Y-shaped cross section is formed in the rubber block and is used for communicating the outside and the inner cavity of the inflatable bag, when the connecting piece is completely inserted into the corresponding connecting groove block, the cross section of the air flow channel is C-shaped, all the opening ends of the air flow channel are in a blocking state, and the air in the inflatable bag is prevented from being discharged from the air flow channel when the inflatable bag is used.
(III) beneficial effects
Compared with the prior art, the application has the beneficial effects that:
1. through designing detachable connecting piece and spread groove block, utilize the elastic piece on the connecting piece, can accomplish electric connection with measuring subassembly and miniature cylinder and master control singlechip, ensure that the monitoring main part can break off measuring subassembly and miniature cylinder's connection after the split, make things convenient for follow-up to carry out the pointed maintenance operation, also utilized the elasticity of elastic piece and the gravity of monitoring main part itself simultaneously, guarantee the steadiness after connecting piece and spread groove block connect;
2. through combining the assembly component, the wiring positioning component and the air supply component, the connecting piece and the connecting groove block can generate downward pressure on the inflatable bags in the process of mutually inserting and combining, the monitoring device can complete automatic adjustment operation on the inflation amount according to the diameter of the data cable, and each inflatable bag can be stopped to be inflated after the connecting piece is completely inserted, so that the positioning treatment of each data cable is realized, the position of the data cable is ensured to be stable, and gaps are avoided between the data cable and the monitoring shell;
3. through setting up mutual supporting a section of thick bamboo and a section of thick bamboo groove block of inserting, can realize intercommunication before connecting piece and spread groove block carry out the cartridge, play assistance-localization real-time's effect, also avoid setting up lengthy external pipeline simultaneously, because the structural design of plug end on the connecting piece, the cooperation glue piece uses, at the initial in-process of inserting the connecting piece in the spread groove block, can make the air in the air channel upwards discharge, accomplish the operation of washing to the elastic sheet, avoided piling up the dust on the elastic sheet and the condition that leads to the short circuit phenomenon appears.
Drawings
The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the present application, as it is embodied in the following description, with reference to the preferred embodiments of the present application and the accompanying drawings.
FIG. 1 is a schematic diagram of the assembled monitoring body and switch cabinet body of the present application;
FIG. 2 is a schematic view of the monitor main body in the state of opening the cover plate according to the present application;
FIG. 3 is a schematic view of the assembled state of the monitor main body and the switch cabinet main body in the present application;
FIG. 4 is a schematic view of the assembled state of the connecting piece and the connecting groove block according to the present application;
FIG. 5 is a schematic view of the structure of the monitoring body according to the present application;
FIG. 6 is a schematic diagram of a cover plate structure according to the present application;
FIG. 7 is an enlarged schematic view of a wiring positioning assembly and its partial structure according to the present application;
FIG. 8 is an illustration of the connector and the connector block of the present application during assembly;
FIG. 9 is a schematic diagram of a master control module and a monitor module according to the present application;
fig. 10 is a hardware configuration diagram in the present application.
Legend description: 1. a switch cabinet body; 2. a cabinet plate; 3. monitoring the housing; 4. a cover plate; 5. a main control module; 501. a master control singlechip; 502. a communication unit; 6. a monitoring module; 601. monitoring a singlechip; 602. an analog-to-digital conversion unit; 603. a photo-isolator; 7. a display unit; 8. a connecting piece; 801. an elastic sheet; 802. a plug end; 9. connecting the groove blocks; 10. a plug cylinder; 101. a seal ring; 11. a wiring positioning assembly; 111. plate conditions; 112. a wire hole; 113. a balloon ring; 12. a barrel slot block; 13. a power module; 14. a micro cylinder; 15. a measurement assembly; 16. an inflatable bag; 17. a glue block; 18. an air flow channel; 19. an inner rubber tube; 20. a contact; 21. a dual port memory cell.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1:
the embodiment introduces a specific package assembly of high tension switchgear on-line monitoring device based on internet, as shown in fig. 1-10, including switch cabinet main part 1, and detachably installs the monitoring main part on the cabinet board 2 of switch cabinet main part 1 front side, the monitoring main part includes: the monitoring shell 3, the assembly component, the wiring positioning component 11 and the air supply component are of four parts;
the monitoring device comprises a monitoring shell 3, a main control module 5 and a monitoring module 6, wherein the main control module 5 and the monitoring module 6 are mutually connected in series, the main control module 5 is used for controlling the whole monitoring main body, the monitoring module 6 is used for monitoring state information of the switch cabinet main body 1, and the state information is a temperature and current signal in the switch cabinet main body 1;
the assembly component comprises two groups of connecting pieces 8 and connecting groove blocks 9 which are mutually inserted, as can be seen from fig. 3, the two groups of connecting pieces 8 have the same composition structure, but in the two groups of connecting groove blocks 9, only one group of connecting groove blocks 9 corresponding to an insertion barrel 10 is provided with a barrel groove block 12, a micro cylinder 14 and an inflatable bag 16, wherein the connecting piece 8 is fixedly connected with the back side of the monitoring shell 3, the connecting groove block 9 is arranged on the surface of the cabinet plate 2, and the connecting groove block 9 is positioned on the moving track of the connecting piece 8;
the wiring positioning component 11 is arranged at the bottom side of the monitoring shell 3 and is used for separating a plurality of data cables connected between the switch cabinet main body 1 and the monitoring main body to play a role of regulation and limitation, one end of the data cables is connected and fixed with the switch cabinet main body 1 and penetrates through the cabinet plate 2 according to the specification of the data cables, and the other end of the data cables penetrates through the wiring positioning component 11 and is detachably connected with a preset interface on a built-in substrate of the monitoring shell 3;
the air supply assembly comprises an air bag 16, a barrel groove block 12 and an inserting barrel 10 which are sequentially communicated in the flowing direction of the air flow, the inserting barrel 10 is inserted into the barrel groove block 12 in the initial contact state of a connecting piece 8 and a glue block 17 bonded at the top of the air bag 16, the air bag 16 can synchronously supply air to each bag ring 113 in the wire positioning assembly 11, a data cable passes through the area between the inner walls of the bag rings 113, the bag rings 113 in the air filling state clamp and fix the data cable, and meanwhile, gaps between the bag rings 113 and a target data cable are also blocked, so that dust or insects are prevented from entering the inner cavity of the monitoring main body.
In some examples, both sides of the connecting piece 8 are respectively provided with an arc-shaped elastic piece 801, the plug end 802 at the bottom side of the connecting piece 8 is in a V shape, the inner wall of the connecting groove block 9 on the moving track of the connecting piece 8 is welded with a contact piece 20, the contact piece 20 is connected with the main control singlechip 501 through a wire, the contact piece 20 is in contact circuit communication with the elastic piece 801, and the elastic pieces 801 on different connecting pieces 8 are respectively in electric connection with the measuring assembly 15 and the micro cylinder 14.
In a specific application scene, in the process of inserting the connecting piece 8 into the corresponding connecting groove block 9, the arc-shaped elastic piece 801 enters the connecting groove block 9 and continuously deforms until the elastic piece 801 completely enters the connecting groove block 9 along with the connecting piece 8, the elastic piece 801 at the moment completely contacts with the contact piece 20 on the inner wall of the connecting groove block 9 and realizes electric connection, a signal path between the measuring assembly 15 and the micro cylinder 14 in fig. 10 is ensured, the connection can be disconnected after the elastic piece 801 is separated from the contact piece 20, and then the measuring assembly 15 or the micro cylinder 14 can be overhauled or replaced.
By adopting the technical scheme:
the detachable connecting piece 8 and the connecting groove block 9 are designed, the elastic piece 801 on the connecting piece 8 is utilized, the measuring assembly 15 and the micro air cylinder 14 can be electrically connected with the main control singlechip 501, the connection of the measuring assembly 15 and the micro air cylinder 14 can be disconnected after the monitoring main body is detached, the follow-up maintenance operation is convenient, meanwhile, the elastic force of the elastic piece 801 and the gravity of the monitoring main body are utilized, and the stability of the connecting piece 8 and the connecting groove block 9 after connection is guaranteed.
Example 2:
based on embodiment 1, this embodiment describes a specific structure of an assembly component, a wiring positioning component and an air supply component in an internet-based high-voltage switch cabinet online monitoring device, as shown in fig. 3-10, a main control module 5 includes a main control singlechip 501 and a communication unit 502 which are disposed on a substrate surface, and a display unit 7 embedded in the front side of a switch cabinet main body 1;
the communication unit 502 is in wireless communication connection with an external internet control station, and can be in wired connection according to actual requirements, meanwhile, the internet control station belongs to a centralized control station, and can perform remote synchronous monitoring on a plurality of online monitoring devices, so that remote monitoring and management are convenient;
the display unit 7 adopts a touch display screen, and the display unit 7 is used for displaying the state information monitored by the monitoring module 6, wherein the state information at least comprises: temperature in the cabinet and a current signal, i.e. a current value.
In some examples, the monitoring module 6 includes a monitoring singlechip 601, an analog-to-digital conversion unit 602, and a photoelectric isolator 603 disposed on the surface of the substrate, and positions of the monitoring singlechip 601, the analog-to-digital conversion unit 602, and the photoelectric isolator 603 can be seen by referring to fig. 9;
a dual-port memory unit 21 is arranged between the monitoring singlechip 601 and the master singlechip 501, and is used for sharing the memories of the two singlechips, and the dual-port memory unit 21 can specifically adopt a high-speed dual-port RAM memory;
the analog-to-digital conversion unit 602 is connected with a sensor unit built in the switch cabinet body 1 through each data cable, and the sensor unit is used for acquiring state information, and the sensor unit at least comprises: a temperature sensor and a TMR sensor;
when the monitoring module 6 monitors a fault signal, the photoelectric isolator 603 performs trip protection action for disconnecting the switch cabinet main body 1 from the power supply; specifically, the content of the fault signal monitored by the monitoring module 6 includes: the temperature sensor detects that the actual temperature exceeds a standard threshold, which is the highest temperature that can be tolerated in the switch cabinet body 1, and the TMR sensor detects that the current value exceeds a predetermined threshold, which is the highest current value set by man.
In some examples, the top cover of the monitoring housing 3 is provided with a cover plate 4, as can be seen from fig. 2, the cover plate 4 adopts a flip-type structure, after the cover plate 4 is opened, the maintenance operation on the internal structure of the monitoring housing 3 can be completed, the bottom of the monitoring housing 3 is embedded with a power module 13, and the power module 13 is used for supplying power to the main control module 5 and the monitoring module 6, and the power module 13 can be a lithium battery.
In some examples, the measuring assembly 15 includes two sets of micrometers symmetrically distributed, and the micrometers are mounted on the bottom side of the wiring positioning assembly 11 for measuring the outer diameter of each data cable; the miniature air cylinder 14 is arranged at the bottom side of the connecting groove block 9, the end head of a piston rod matched with the miniature air cylinder 14 extends into the connecting groove block 9 and is spirally connected with the bottom side of the inflatable bag 16, a spring is arranged between the inner walls of the inflatable bag 16 according to the telescopic direction of the spring, and the inflatable bag 16 is communicated with the inner cavity of the cylinder groove block 12 through a buried inner rubber tube 19;
specifically, the micrometer adopts an Ls-9000 series model high-precision micrometer, and the outside diameter of each data cable can be synchronously measured without being influenced by vibration by using the high-speed sampling transmission micrometer; in the non-operating state, the length of the air bag 16 is fixed due to the addition of the spring, and by using the micro cylinder 14, the position of the air bag 16 in the connecting groove block 9 can be changed, for example: when the micro cylinder 14 drives the inflatable bag 16 to move upwards, after the connecting piece 8 completely enters the connecting groove block 9, the compression amount of the inflatable bag 16 is increased, and the inflation amount is also increased.
In the state where the measuring assembly 15 and the micro cylinder 14 are connected in series, the operation is completed as follows:
s1, a main control singlechip 501 receives the outer diameters of all data cables measured by a measuring assembly 15, and calculates to obtain the outer diameter sum;
s2, through analysis of a rule engine built in the master control singlechip 501, the elongation of the micro cylinder 14 is obtained, and an elongation action instruction is sent to the master control singlechip 501, wherein the input content of the rule engine is as follows: the ratio between the outer diameter and the elongation is 12:1, the ratio is also selected according to actual conditions, when the bag rings 113 with different specifications and different data cables are replaced, the ratio can be adjusted, the adjusted ratio also needs to be continuously tested to obtain an accurate value, meanwhile, the units of the outer diameter and the elongation are millimeter, and the outer diameter of the cable used in the application is 2 millimeters;
and S3, the micro cylinder 14 executes an extension action instruction to drive the integral air-filled bag 16 to move upwards.
In some examples, the wire positioning assembly 11 further includes a plate member 111 and a plurality of wire holes 112 formed on the bottom side of the plate member 111, as can be seen from fig. 7, the number of the wire holes 112 in the application is six, the number of the plate member 111 is identical to that of the capsule rings 113, the capsule rings 113 are embedded in the corresponding wire holes 112, each capsule ring 113 is communicated with the socket 10, and the stretching direction of the capsule ring 113 is toward the center of the capsule ring 113.
Specifically, an annular groove is formed in the inner wall of the wire hole 112 for the corresponding bag ring 113 to be installed, glue can be smeared on the inner wall of the annular groove, so that the installed bag ring 113 is fixed in position, fluffy cloth (not shown in the figure) can be sleeved on the outer side of the bag ring 113, a data cable penetrating into the monitoring shell 3 can be wiped, and the phenomenon that the normal use of the monitoring main body is affected due to the fact that dust is attached to the surface of a part of the data cable entering the monitoring shell 3 is avoided.
By adopting the technical scheme:
the assembly component, the wiring positioning component 11 and the air supply component are combined for use, the connecting piece 8 and the connecting groove block 9 can be mutually inserted and combined to generate a downward force on the inflatable bag 16, the monitoring device can complete automatic adjustment operation on the inflation amount according to the diameter of the data cable, the inflatable bag 16 can be stopped to be inflated after the connecting piece 8 is completely inserted, positioning treatment on each data cable is realized, and gaps are avoided between the data cable and the monitoring shell 3 while the position of the data cable is ensured to be stable.
Example 3:
based on embodiment 2, this embodiment describes a specific structure of an internet-based high-voltage switch cabinet on-line monitoring device about an insertion barrel and a glue block, as shown in fig. 4 and 8, two sides of a connecting piece 8 are respectively provided with an arc-shaped elastic piece 801, a plug end 802 at the bottom side of the connecting piece 8 is V-shaped, at least two sets of sealing rings 101, specifically two sets of sealing rings 101, are sleeved on the outer side of the insertion barrel 10, are used for guaranteeing the tightness of the connection end of the insertion barrel 10 and a barrel groove block 12, the insertion barrel 10 and any connecting piece 8 are distributed adjacently, the position of the insertion barrel 10 can be seen by referring to fig. 3, the insertion barrel 10 is fixed on the back side of a monitoring shell 3, and a barrel groove block 12 corresponding to the insertion barrel 10 is welded on the side of the connecting groove block 9.
In specific use, before the connecting piece 8 and the connecting groove block 9 are inserted, the port of the inserting cylinder 10 enters the cylinder groove block 12, so that the mutual communication among the inflatable bag 16, the inner rubber tube 19, the inner cavity of the cylinder groove block 12, the inserting cylinder 10 and each bag ring 113 is ensured.
In some examples, the glue block 17 is always located in the connecting groove block 9, and an air flow channel 18 with a Y-shaped cross section is formed in the glue block 17, the air flow channel 18 is used for communicating the outside with the inner cavity of the inflatable bag 16, when the connecting piece 8 is completely inserted into the corresponding connecting groove block 9, the cross section of the air flow channel 18 is C-shaped, and each opening end of the air flow channel 18 is in a blocking state.
When the connector is specifically used, the plug end 802 of the connector 8 is firstly contacted with the rubber block 17, the rubber block 17 is made of silica gel, so that the rubber block 17 is airtight but is easy to deform, when the rubber block 17 is extruded, the rubber block 17 is deformed when the air bag 16 is not compressed, the rubber block 17 is wrinkled and deformed under the extrusion action of the plug end 802, the air in the air flow channel 18 is extruded, the air in the air flow channel 18 is discharged in the direction shown by an arrow in fig. 8, the surface of the elastic piece 801 is washed, and then the plug end 802 is continuously moved downwards until the air completely enters the connecting groove block 9;
in the process, the airflow channel 18 is changed from Y to C which is turned over by 90 degrees anticlockwise, so that two outlets above the airflow channel 18 are blocked by the plug end 802, and meanwhile, the airflow channel 18 is blocked by the fold deformation of the glue block 17, and the air in the inflatable bag 16 cannot be discharged from the airflow channel 18 due to the fact that the inner diameter of the airflow channel 18 is smaller and the diameter is 1 mm.
By adopting the technical scheme:
the plug cylinder 10 and the cylinder groove block 12 which are matched with each other are adopted, the mutual communication can be realized before the connecting piece 8 and the connecting groove block 9 are inserted, the auxiliary positioning function is realized, and meanwhile, the long external pipeline is avoided, due to the structural design of the plug end 802 on the connecting piece 8, the air in the air channel 18 can be upwards discharged in the process of the initial insertion of the connecting piece 8 into the connecting groove block 9, the flushing operation of the elastic piece 801 is completed, and the short circuit phenomenon caused by dust accumulation on the elastic piece 801 is avoided.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present application and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present application.
Claims (7)
1. The utility model provides a high tension switchgear on-line monitoring device based on internet, includes switch cabinet main part (1), and detachably installs the monitoring main part on cabinet board (2) of switch cabinet main part (1) front side, its characterized in that, the monitoring main part includes:
the monitoring device comprises a monitoring shell (3), wherein a main control module (5) and a monitoring module (6) which are mutually connected in series are arranged in the monitoring shell, the main control module (5) is used for controlling the whole monitoring main body, the monitoring module (6) is used for monitoring state information of the switch cabinet main body (1), and the main control module (5) comprises a main control singlechip (501) and a communication unit (502) which are arranged on the surface of a substrate, and a display unit (7) which is embedded in the front side of the switch cabinet main body (1); the communication unit (502) is in wireless communication connection with an external internet control station; the display unit (7) adopts a touch display screen, and the display unit (7) is used for displaying the state information monitored by the monitoring module (6), and the state information at least comprises: temperature and current signals in the cabinet;
the assembly component comprises at least two groups of connecting pieces (8) and connecting groove blocks (9) which are mutually inserted, wherein the connecting pieces (8) are fixedly connected with the back side of the monitoring shell (3), and the connecting groove blocks (9) are arranged on the surface of the cabinet plate (2);
the wiring positioning assembly (11) is arranged at the bottom side of the monitoring shell (3) and is used for separating a plurality of data cables connected between the switch cabinet main body (1) and the monitoring main body; and
the air supply assembly comprises an air bag (16), a barrel groove block (12) and an inserting barrel (10) which are sequentially communicated in the flowing direction of the air flow, wherein the inserting barrel (10) is inserted into the barrel groove block (12) in the initial contact state of a connecting piece (8) and a glue block (17) adhered to the top of the air bag (16), the air bag (16) can synchronously supply air to each bag ring (113) in the wire positioning assembly (11), and a data cable passes through the area between the inner walls of the bag rings (113);
the utility model discloses a measuring device for the data cable, including connecting piece (8), connecting piece (20), connecting piece (801), measuring assembly (15) and miniature cylinder (14) are realized respectively to both sides of connecting piece (8) all are equipped with curved elastic piece (801), and plug end (802) of connecting piece (8) bottom are the V-arrangement, are in connecting groove piece (9) inner wall on connecting piece (8) moving path all welds contact (20), and is connected through the wire between contact (20) and main control singlechip (501), contact circuit intercommunication is realized with elastic piece (801) in contact (20), different elastic piece (801) on connecting piece (8) realize electric connection with measuring assembly (15) and miniature cylinder (14) respectively, measuring assembly (15) are the micrometer that two sets are symmetrical distribution, and the micrometer is installed in wiring locating assembly (11) bottom for measuring the external diameter of each data cable.
2. The internet-based high-voltage switch cabinet online monitoring device as claimed in claim 1, wherein: the monitoring module (6) comprises a monitoring singlechip (601), an analog-to-digital conversion unit (602) and a photoelectric isolator (603) which are arranged on the surface of the substrate;
a dual-port memory unit (21) is arranged between the monitoring singlechip (601) and the main control singlechip (501) and is used for sharing the memories of the two singlechips;
the analog-to-digital conversion unit (602) is connected with a sensor unit arranged in the switch cabinet main body (1) through each data cable, and the sensor unit is used for acquiring state information, and the sensor unit at least comprises: a temperature sensor and a TMR sensor;
when the monitoring module (6) monitors a fault signal, the photoelectric isolator (603) executes tripping protection action for disconnecting the switch cabinet main body (1) from the power supply.
3. The internet-based high-voltage switch cabinet online monitoring device as claimed in claim 1, wherein: the top cover of monitoring casing (3) is equipped with apron (4), power module (13) are installed to the embedded bottom of monitoring casing (3), and power module (13) are used for supplying power to main control module (5) and monitoring module (6).
4. The internet-based high-voltage switch cabinet online monitoring device as claimed in claim 1, wherein: the miniature air cylinder (14) is arranged at the bottom side of the connecting groove block (9), the end head of a piston rod matched with the miniature air cylinder (14) extends into the connecting groove block (9) and is spirally connected with the bottom side of the air inflation bag (16), a spring is arranged between the inner walls of the air inflation bag (16) according to the extending and contracting direction of the spring, and the air inflation bag (16) is communicated with the inner cavity of the cylinder groove block (12) through a buried inner rubber tube (19);
in the state that the measuring assembly (15) and the micro cylinder (14) are connected in series, the operation is completed according to the following steps:
s1, the master control singlechip (501) receives the outer diameters of all data cables measured by the measuring assembly (15), and calculates to obtain the outer diameter sum;
s2, through analysis of a rule engine built in the master control singlechip (501), the elongation of the micro cylinder (14) is obtained, and an elongation action instruction is sent to the master control singlechip (501), wherein the input content of the rule engine is as follows: the ratio between the outer diameter and the elongation is 12:1;
and S3, the micro cylinder (14) executes an extension action instruction.
5. The internet-based high-voltage switch cabinet online monitoring device as claimed in claim 1, wherein: the wiring locating component (11) further comprises plate members (111) and a plurality of wire holes (112) formed in the bottom side of the plate members (111), the plate members (111) are consistent with the bag rings (113), the bag rings (113) are embedded in the corresponding wire holes (112), the bag rings (113) are communicated with the inserting cylinder (10), and the extending directions of the bag rings (113) face the center position of the bag rings (113).
6. The internet-based high-voltage switch cabinet online monitoring device as claimed in claim 1, wherein: at least two groups of sealing rings (101) are sleeved on the outer side of the plug tube (10), the plug tube (10) and any connecting piece (8) are distributed adjacently, the plug tube (10) is fixed on the back side of the monitoring shell (3), and tube groove blocks (12) corresponding to the plug tube (10) are welded on the side sides of the connecting groove blocks (9).
7. The internet-based high-voltage switch cabinet online monitoring device as claimed in claim 1, wherein: the rubber block (17) is always positioned in the connecting groove block (9), an air flow channel (18) with a Y-shaped cross section is formed in the rubber block (17), the air flow channel (18) is used for communicating the outside and the inner cavity of the inflatable bag (16), when the connecting piece (8) is completely inserted into the corresponding connecting groove block (9), the cross section of the air flow channel (18) is C-shaped, and all the opening ends of the air flow channel (18) are in a blocking state.
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| CN202311211344.2A CN116953305B (en) | 2023-09-20 | 2023-09-20 | High tension switchgear on-line monitoring device based on internet |
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