CN111224336B - Self-cleaning type electric power measuring device capable of being quickly disassembled and assembled - Google Patents
Self-cleaning type electric power measuring device capable of being quickly disassembled and assembled Download PDFInfo
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- CN111224336B CN111224336B CN201911374429.6A CN201911374429A CN111224336B CN 111224336 B CN111224336 B CN 111224336B CN 201911374429 A CN201911374429 A CN 201911374429A CN 111224336 B CN111224336 B CN 111224336B
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- self
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- 238000004140 cleaning Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
Abstract
The invention discloses a quick-dismounting self-cleaning type electric power measuring device, which comprises an installation cabinet, a plurality of gauges with the same structure, an outer cabinet door and an outer door lock, wherein the gauges are installed in the installation cabinet and fixed with each other through a plurality of quick-connecting mechanisms with the same structure, and an outer cabinet door is hinged in front of the installation cabinet.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a self-cleaning power measuring device capable of being quickly disassembled and assembled.
Background
The electric energy metering device is a metering instrument used for measuring and recording generated energy, supplied (mutually supplied) electric quantity, station service electric quantity, line loss electric quantity and user electric quantity. The electric energy metering device is an overall body composed of an electric energy meter (an active electric energy meter, a reactive electric energy meter, a maximum demand meter, a multi-rate electric energy meter and the like), a metering mutual inductor (comprising a voltage mutual inductor and a current mutual inductor) and a secondary connecting wire.
The existing electric power metering mostly operates according to the current mutual inductance principle, a metering device shell adopts a fixed mounting structure, the mode is good in fixing effect, but when equipment needs to be overhauled or replaced, the equipment is inconvenient to detach and observe, if general quick detaching and installing equipment is designed, the anti-theft performance of the electric power metering device cannot be guaranteed, the electric power metering device is easily damaged by lawbreakers, the existing electric power metering device is mostly exposed to the external environment for a long time, dust is easily accumulated on an observation port position of a dial plate, the electric power metering device needs to be cleaned when a meter reader reads the meter every time, otherwise, the electric power metering device is difficult to clearly observe, and in view of the problems, the scheme is generated.
Disclosure of Invention
The invention aims to solve the problems, designs a quick-dismounting self-cleaning type electric power measuring device, and solves the problems that the existing electric power measurement mostly operates according to the current mutual inductance principle, a shell of the measuring device adopts a fixed mounting structure, although the fixing effect is good, the device is inconvenient to dismount and observe when needing to be overhauled or replaced, if a common quick-dismounting device is designed, the anti-theft performance of the electric power measuring device cannot be ensured, the device is easy to be damaged by lawbreakers, and the existing electric power measuring device is mostly exposed to the external environment for a long time, dust is easy to accumulate at the observation port position of a dial plate, and the device needs to be cleaned every time when a meter reader is used, otherwise, the device is difficult to clearly observe.
The technical scheme of the invention for realizing the aim is as follows: a self-cleaning type electric power measuring device capable of being quickly disassembled and assembled comprises an installation cabinet, a plurality of gauges with the same structure, an outer cabinet door and an outer door lock, wherein the gauges are installed in the installation cabinet and fixed with each other through a plurality of quick connection mechanisms with the same structure;
the quick-connect mechanism comprises: the lock comprises a pair of guide rails, a pair of guide grooves, a lock cylinder and a lock sleeve;
the lock comprises a main cabinet body and is characterized in that a pair of guide rails with the same structure extend from the inner wall surface of the main cabinet body, a mounting seat is installed on the opposite surface of a dial plate on the outer wall surface of the meter, a pair of guide grooves matched with the guide rails are arranged on the mounting seat, the pair of guide rails are of a dovetail structure, the pair of guide grooves are dovetail sliding grooves matched with the pair of guide rails, a lock cylinder is arranged on the back of the mounting seat and between the pair of guide rails, a lock sleeve matched with the lock cylinder is arranged on the inner wall surface of the main cabinet body and between the pair of guide rails, and a locking and unlocking assembly is installed on the lock sleeve and the lock cylinder in a matched mode.
Dial plate self-cleaning structure includes: the gas-liquid separation device comprises a mounting box, an air bag, a gas outlet nozzle, a plurality of gas nozzles, a plurality of spray pipes and a gas collecting pipe;
the mounting box is installed on the mount pad and is located the lock sleeve opposite side, the gasbag is placed in the mounting box, the gasbag intussuseption is filled with high-pressure gas, be equipped with the air outlet nozzle on the gasbag, the air outlet nozzle inlays the dress in the wall on the mounting box, be equipped with the external screw thread structure on the air outlet nozzle, the dial plate of strapping table is embedded installation, it is equipped with the same air nozzle of a plurality of structures to inlay on the wall in strapping table dial plate the place ahead, and is a plurality of the spray tube is connected in a plurality of on the air nozzle and inlay and extend upwards in the strapping table shell, discharge tube one end and a plurality of the idle end intercommunication of spray tube, the discharge tube inlays the dress in the strapping table shell and is connected with the air outlet nozzle.
The locking and unlocking assembly comprises: the limiting fixture block, the limiting plate and the lock hole are arranged;
the lock cylinder is of a two-section structure, the upper portion of the lock cylinder can rotate on the lower portion, the upper portion of the lock cylinder is a rotating cylinder, the lower portion of the rotating cylinder is a fixed cylinder, an inserting hole is formed in the center of the lock sleeve in the vertical direction, the lock cylinder is inserted into the inserting hole, a semi-cylindrical limiting clamping block is arranged outside the rotating cylinder, a semi-circular limiting plate is arranged at the lower end of the inserting hole matched with the semi-cylindrical limiting clamping block, and a lock hole is formed in the center of the rotating cylinder.
The gas collecting pipe is communicated with the gas outlet nozzle through a connector, and an electromagnetic valve is arranged on the connector.
The fixed core is provided with a semicircular filling block matched with the limiting plate, and the direction of the filling block is opposite to that of the limiting plate.
And sealing strips are arranged on the four edges of the outer cabinet door and are attached to the opening positions of the mounting cabinet.
The observation window is a convex transparent plastic structure, and sealing strips are arranged around the observation window.
And a pair of limiting caps with the same structure are assembled at the top ends of the pair of guide rails.
The connector is internally provided with an internal thread structure and is movably connected with the gas collecting pipe.
The shell of the metering gauge is a rectangular shell of a plastic structure, the shell is of a butt joint type structure, and the butt joint parts are connected through a plurality of screws with the same structure.
The self-cleaning type electric power measuring device manufactured by the technical scheme has the advantages that the structure is simple, the self-cleaning type electric power measuring device is convenient to disassemble and assemble, electric power is detected and measured by the gauge on the self-cleaning type electric power measuring device, the self-cleaning type electric power measuring device is assembled by adopting a sliding groove and a guide rail, the lock sleeve with a limited position is arranged to be matched with the lock cylinder, the installation time is effectively saved, the lock cylinder can be locked and unlocked by rotating through a key, only one key is needed during maintenance and replacement, the maintenance work intensity of workers is reduced, and the purpose of convenience in use is achieved.
Drawings
FIG. 1 is a schematic side view of a self-cleaning power measuring device of the present invention.
Fig. 2 is a schematic front view of a self-cleaning power measuring device of the present invention.
FIG. 3 is a schematic top view of a portion of a self-cleaning power measuring device according to the present invention.
FIG. 4 is a partially enlarged schematic view of the self-cleaning power measuring device shown in FIG. 1 a.
FIG. 5 is a partially enlarged schematic view of the self-cleaning power measuring device of FIG. 1 b.
FIG. 6 is a partially enlarged schematic view of the self-cleaning power measuring device shown in FIG. 1 c.
In the figure: 1. installing a cabinet; 2. a meter; 3. an outer cabinet door; 4. a mounting seat; 5. an observation window; 6. a guide rail; 7. a guide groove; 8. a lock cylinder; 9. a lock sleeve; 10. mounting a box; 11. an air bag; 12. an air outlet nozzle; 13. an air nozzle; 14. a nozzle; 15. a gas collecting pipe; 16. a limiting clamping block; 17. a limiting plate; 18. a lock hole; 19. a connector; 20. an electromagnetic valve; 21. filling blocks; 22. a sealing strip; 23. sealing tape; 24. a limiting cap.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-6, a quick-dismounting self-cleaning power measuring device comprises a mounting cabinet 1, a plurality of gauges 2 with the same structure, an outer cabinet door 3 and an outer door lock, wherein the gauges 2 are mounted in the mounting cabinet 1 and fixed with each other through a plurality of quick-connecting mechanisms with the same structure, an outer cabinet door 3 is hinged in front of the mounting cabinet 1, the outer door lock is arranged between the outer cabinet door 3 and the mounting cabinet 1, a plurality of observation ports with the same structure are arranged on the outer cabinet door 3, observation windows 5 are hinged on the observation ports, and dial plate self-cleaning structures are mounted on the shells of the gauges 2; the quick-connect mechanism comprises: a pair of guide rails 6, a pair of guide grooves 7, a lock cylinder 8 and a lock sleeve 9; a pair of guide rails 6 with the same structure extend from the inner wall surface of the main cabinet body, a mounting seat 4 is mounted on the opposite surface of the dial plate on the outer wall surface of the meter 2, a pair of guide grooves 7 matched with the guide rails 6 are arranged on the mounting seat 4, the pair of guide rails 6 are of a dovetail structure, the pair of guide grooves 7 are dovetail sliding grooves matched with the pair of guide rails 6, a lock cylinder 8 is arranged on the back of the mounting seat 4 and between the pair of guide rails 6, a lock sleeve 9 matched with the lock cylinder 8 is arranged on the inner wall surface of the main cabinet body and between the pair of guide rails 6, and a locking and unlocking assembly is mounted on the lock sleeve 9 and the lock cylinder 8 in a matching manner; dial plate self-cleaning structure includes: the gas-liquid separation device comprises a mounting box 10, an air bag 11, a gas outlet nozzle 12, a plurality of gas nozzles 13, a plurality of spray pipes 14 and a gas collecting pipe 15; the mounting box 10 is mounted on the mounting seat 4 and located on the other side of the lock sleeve 9, the air bag 11 is placed in the mounting box 10, high-pressure gas is filled in the air bag 11, the air bag 11 is provided with an air outlet nozzle 12, the air outlet nozzle 12 is embedded in the upper wall surface of the mounting box 10, the air outlet nozzle 12 is provided with an external thread structure, the dial plate of the meter 2 is installed in an embedded mode, the front wall surface of the dial plate of the meter 2 is embedded with a plurality of air nozzles 13 with the same structure, a plurality of spray pipes 14 are connected to the air nozzles 13 and embedded in the shell of the meter 2 to extend upwards, one end of the gas collecting pipe 15 is communicated with the idle ends of the spray pipes 14, and the gas collecting pipe 15 is embedded in the shell of the meter 2 and connected with the air outlet nozzle 12; the locking and unlocking assembly comprises: the limiting fixture block 16, the limiting plate 17 and the lock hole 18; the lock cylinder 8 is of a two-section structure, the upper part of the lock cylinder 8 can rotate on the lower part, the upper part is a rotating cylinder, the lower part is a fixed cylinder, an inserting hole is formed in the vertical direction of the center of the lock sleeve 9, the lock cylinder 8 is inserted into the inserting hole, a semi-cylindrical limiting fixture block 16 is arranged outside the rotating cylinder, a semi-circular limiting plate 17 is arranged at the lower end of the inserting hole matched with the semi-cylindrical limiting fixture block 16, and a lock hole 18 is formed in the center of the rotating cylinder; the gas collecting pipe 15 is communicated with the gas outlet nozzle 12 through a connector 19, and an electromagnetic valve 20 is arranged on the connector 19; the fixed core is provided with a semicircular filling block 21 matched with the limiting plate 17, and the direction of the filling block 21 is opposite to that of the limiting plate 17; sealing strips 22 are arranged on the four edges of the outer cabinet door 3, and the sealing strips 22 are attached to the opening position of the installation cabinet 1; the observation window 5 is of a convex transparent plastic structure, and sealing strips 23 are arranged on the periphery of the observation window; a pair of limit caps 24 with the same structure are arranged at the top ends of the guide rails 6; an internal thread structure is arranged in the connector 19 and is movably connected with the gas collecting pipe 15; the shell of the meter 2 is a rectangular shell of a plastic structure, the shell is of a butt joint type structure, and the butt joint parts are connected through a plurality of screws with the same structure.
The embodiment is characterized by comprising an installation cabinet 1, a plurality of gauges 2 with the same structure, an outer cabinet door 3 and an outer door lock, wherein the gauges 2 are installed in the installation cabinet 1 and fixed with each other through a plurality of quick connection mechanisms with the same structure, the outer cabinet door 3 is hinged in front of the installation cabinet 1, the outer door lock is arranged between the outer cabinet door 3 and the installation cabinet 1, a plurality of observation ports with the same structure are arranged on the outer cabinet door 3, observation windows 5 are hinged on the observation ports, and dial plate self-cleaning structures are installed on the shells of the gauges 2; the mechanism that connects soon includes: a pair of guide rails 6, a pair of guide grooves 7, a lock cylinder 8 and a lock sleeve 9; a pair of guide rails 6 with the same structure extend from the inner wall surface of the main cabinet body, a mounting seat 4 is installed on the opposite surface of the dial plate on the outer wall surface of the meter 2, a pair of guide grooves 7 matched with the guide rails 6 are arranged on the mounting seat 4, the pair of guide rails 6 are of a dovetail structure, the pair of guide grooves 7 are dovetail sliding grooves matched with the pair of guide rails 6, a lock cylinder 8 is arranged on the back of the mounting seat 4 and between the pair of guide rails 6, a lock sleeve 9 matched with the lock cylinder 8 is arranged on the inner wall surface of the main cabinet body and between the pair of guide rails 6, and a locking and unlocking assembly is installed on the lock sleeve 9 and the lock cylinder 8 in a matching manner; this automatically cleaning formula electric power measuring device simple structure, easy dismounting detects the measurement to electric power through the strapping table above that, assembles through the mode that adopts spout and guide rail to be equipped with the lock tube and the lock core cooperation that the position was injectd, effectively saves installation time, and lock core accessible key rotates and accomplishes locking and unblock, only needs a key when overhauing and changing, alleviates staff's maintenance working strength, reaches convenient to use's purpose.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): as can be seen from the attached figures 1-6 of the specification, the self-cleaning type electric power measuring device capable of being rapidly disassembled and assembled comprises an installation cabinet 1, a plurality of meters 2 with the same structure, an outer cabinet door 3 and an outer door lock, wherein the connection relation and the position relation are as follows;
the automatic measurement system comprises an installation cabinet 1, a plurality of meters 2, a plurality of rapid connection mechanisms, a plurality of plastic structure quick connection mechanisms, a plurality of plastic structure rectangular casings, a plurality of butt joint type structures, a butt joint part, a plurality of screws, an outer cabinet door 3, an outer door lock, a plurality of observation ports, sealing strips 22, observation windows 5, sealing strips 23, dial plate self-cleaning structures and a plurality of meter 2 self-cleaning structures, wherein the butt joint part is connected with the installation cabinet 1 through the screws, the outer cabinet door 3 is hinged in front of the installation cabinet 1, the outer cabinet door 3 is provided with the outer door lock between the outer cabinet door 1 and the installation cabinet 1, the outer cabinet door 3 is provided with the plurality of observation ports are provided with the same structure quick connection mechanisms, the sealing strips 22 are attached to the opening positions of the installation cabinet 1, the observation windows 5 are hinged to the observation windows, the observation windows 5 are convex transparent plastic structures, the sealing strips 23 are arranged around the periphery of the meter 2 self-cleaning structures;
in the specific implementation process, the plurality of meters 2 are connected with external connecting wires, electric quantity detection and measurement are carried out on the external connecting wires based on the electromagnetic mutual inductance principle, the dial plates of the meters 2 are installed in an embedded mode, the meters 2 are installed and placed through the installation cabinet 1, the installation cabinet 1 is sealed and installed through the outer cabinet door 3, internal observation is carried out through the observation window 5, the outer cabinet door 3 is sealed with the installation cabinet 1 through the sealing strips 22 on the outer cabinet door 3, the outer door lock fixes the outer cabinet door 3, and the observation window 5 can be opened to carry out operations such as resetting of the meters 2;
as can be seen from the accompanying FIGS. 1-6 of the specification, the quick-connect mechanism includes: a pair of guide rails 6, a pair of guide grooves 7, a lock cylinder 8, and a lock sleeve 9, the connection and positional relationships of which are as follows;
a pair of guide rails 6 with the same structure extend out of the inner wall surface of the main cabinet body, a mounting seat 4 is installed on the surface opposite to the dial plate on the outer wall surface of the meter 2, a pair of guide grooves 7 matched with the guide rails 6 are arranged on the mounting seat 4, the pair of guide rails 6 are of a dovetail structure, the pair of guide grooves 7 are dovetail sliding grooves matched with the pair of guide rails 6, a lock cylinder 8 is arranged on the back of the mounting seat 4 and between the pair of guide rails 6, a lock sleeve 9 matched with the lock cylinder 8 is arranged on the inner wall surface of the main cabinet body and between the pair of guide rails 6, a locking and unlocking assembly is installed on the lock sleeve 9 and the lock cylinder 8 in a matching manner, and a pair of limiting caps 24 with the same structure are installed at the top ends of the pair of guide rails 6;
in the specific implementation process, the guide rails 6 on the two sides of the main cabinet body are matched with the guide grooves 7 on the meter 2, the meter 2 is inserted from the lower part of the guide rails 6, the guide grooves 7 are sleeved on the guide rails 6, due to the limitation of the dovetail-shaped sliding groove on the mounting seat 4, the guide groove 7 and the guide rail 6 are mutually fixed in the horizontal direction, during the process of inserting the guide rail 6, the lock core 8 on the installation seat 4 is locked with the lock sleeve 9 through the lock core 8 on the installation seat 4 and the lock sleeve 9, further mutually fixing the vertical positions of the installation seats 4, limiting the installation seats 4 by the limiting caps 24 to prevent the installation seats 4 from sliding out of the upper ends of the guide rails 6, limiting and fixing the installation seats 4 in all directions from the horizontal direction and the vertical direction by the matching of the guide rails 6 and the guide grooves 7 and the matching of the lock sleeves 9 and the lock cylinders 8, thereby fixing the meter 2 and further completing the locking of the mounting seat 4 through the locking and unlocking assembly;
as can be seen from fig. 1-6 of the specification, the locking and unlocking assembly includes: the connection relation and the position relation of the limiting fixture block 16, the limiting plate 17 and the lock hole 18 are as follows;
the lock cylinder 8 is of a two-section structure, the upper part of the lock cylinder 8 can rotate on the lower part, the upper part is a rotating cylinder, the lower part is a fixed cylinder, an inserting hole is formed in the vertical direction of the center of the lock sleeve 9, the lock cylinder 8 is inserted into the inserting hole, a semi-cylindrical limiting fixture block 16 is arranged outside the rotating cylinder, a semi-circular limiting plate 17 is arranged at the lower end of the inserting hole matched with the semi-cylindrical limiting fixture block 16, a lock hole 18 is formed in the center of the rotating cylinder, the fixed cylinder is provided with a semi-circular filling block 21 matched with the limiting plate 17, and the directions of the filling block 21 and the limiting plate 17 are opposite;
in the specific implementation process, the lock cylinder 8 is of a two-segment structure, the same diameters of the rotary core and the fixed core are cylindrical structures, the rotary core can rotate on the fixed core, in the specific implementation process, one side of a limiting clamping block 16 on the rotary core is firstly shifted to the same side of a filling block 21, the rotary core is inserted along an inserting hole until the upper wall in the inserting hole is touched, a worker inserts a key from a lock hole 18 to drive the rotary core to rotate, the rotary core rotates to drive the limiting clamping block 16 to rotate, so that the limiting clamping block 16 rotates 180 degrees, and a limiting plate 17 below is clamped, the limiting plate 17 is used for locking the limiting clamping block 16 in the vertical direction, and the outer diameter radius of the filling block 21 is matched with the limiting plate 17, so that the position of the fixed core is limited in the horizontal direction;
as can be seen from fig. 1-6 of the specification, the dial self-cleaning structure comprises: the mounting box 10, the air bag 11, the air outlet nozzle 12, the air nozzles 13, the spray pipes 14 and the gas collecting pipe 15 are connected in the following manner and in the following position relationship;
the mounting box 10 is mounted on the mounting seat 4 and located on the other side of the lock sleeve 9, the air bag 11 is placed in the mounting box 10, the air bag 11 is filled with high-pressure gas, the air bag 11 is provided with an air outlet nozzle 12, the air outlet nozzle 12 is embedded in the upper wall surface of the mounting box 10, the air outlet nozzle 12 is provided with an external thread structure, the dial plate of the meter 2 is embedded, the front wall surface of the dial plate of the meter 2 is embedded with a plurality of air nozzles 13 with the same structure, a plurality of spray pipes 14 are connected to the plurality of air nozzles 13 and embedded in the shell of the meter 2 to extend upwards, one end of the gas collecting pipe 15 is communicated with the idle ends of the plurality of spray pipes 14, the gas collecting pipe 15 is embedded in the shell of the meter 2 and is connected with the air outlet nozzle 12, the gas collecting pipe 15 is communicated with the air outlet nozzle 12 through a connector 19, an electromagnetic valve 20 is arranged on the connector 19, and an internal thread structure is arranged in the connector 19 and is movably connected with the gas collecting pipe 15;
in the specific implementation process, the mounting box 10 is mounted through idle airborne on the mounting seat 4, high-pressure gas is carried by the air bag 11 in the mounting box 10 and is connected with the gas collecting pipe 15 through the air outlet nozzle 12 of the air bag 11, after a certain time interval, the electromagnetic valve 20 is controlled to be opened, so that the high-pressure gas in the air bag 11 is sprayed out along the gas collecting pipe 15 and is distributed into a plurality of spray pipes 14, the spray pipes 14 reach the air nozzle 13, the surface of the dial is dedusted through the air nozzle 13, the air outlet nozzle 12 is connected with the connector 19 through threads, the air bag 11 is supplemented with gas through the air outlet nozzle 12, and the part where dust is easily accumulated on the dial is dedusted through spraying of trace gas within 0.2-0.5s after the electromagnetic valve 20 is opened each time;
to sum up, this self-cleaning formula electric power measuring device simple structure, easy dismounting detects the measurement through strapping table 2 above that, assembles through the mode that adopts spout and guide rail 6 to be equipped with the lock sleeve 9 and the cooperation of lock core 8 that the position is injectd, effectively saves installation time, and lock core 8 accessible key rotates and accomplishes locking and unblock, only needs a key when overhauing and changing, alleviates staff's maintenance work intensity, reaches convenient to use's purpose.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications made to some parts by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. A self-cleaning type electric power measuring device capable of being quickly disassembled and assembled comprises an installation cabinet (1), a plurality of measuring meters (2) with the same structure, an outer cabinet door (3) and an outer door lock, and is characterized in that the plurality of measuring meters (2) are installed in the installation cabinet (1) and are mutually fixed through a plurality of quick-connection mechanisms with the same structure, the outer cabinet door (3) is hinged in front of the installation cabinet (1), the outer door lock is arranged between the outer cabinet door (3) and the installation cabinet (1), a plurality of observation ports with the same structure are arranged on the outer cabinet door (3), observation windows (5) are hinged on the plurality of observation ports, and dial self-cleaning structures are installed on the shells of the plurality of measuring meters (2);
the quick-connect mechanism comprises: a pair of guide rails (6), a pair of guide grooves (7), a lock cylinder (8) and a lock sleeve (9);
a pair of guide rails (6) with the same structure extend from the inner wall surface of the main cabinet body of the installation cabinet (1), an installation seat (4) is installed on the opposite surface of the dial plate on the outer wall surface of the meter (2) and is connected with the outer wall surface of the meter (2) through a plurality of screws, a pair of guide grooves (7) matched with the guide rails (6) are arranged on the installation seat (4), the pair of guide rails (6) are of a dovetail structure, the pair of guide grooves (7) are dovetail slide grooves matched with the pair of guide rails (6), a lock cylinder (8) is arranged on the back of the installation seat (4) and between the pair of guide rails (6), a lock sleeve (9) matched with the lock cylinder (8) is arranged on the inner wall surface of the main cabinet body of the installation cabinet (1) and between the pair of guide rails (6), and a locking and unlocking assembly is installed on the lock sleeve (9) and the lock cylinder (8) in a matching manner;
dial plate self-cleaning structure includes: the gas-liquid separation device comprises a mounting box (10), an air bag (11), a gas outlet nozzle (12), a plurality of gas nozzles (13), a plurality of spray pipes (14) and a gas collecting pipe (15);
the mounting box (10) is mounted on the mounting seat (4) and is positioned at the other side of the lock sleeve (9), the air bag (11) is arranged in the mounting box (10), the air bag (11) is filled with high-pressure gas, an air outlet nozzle (12) is arranged on the air bag (11), the air outlet nozzle (12) is embedded in the upper wall surface of the mounting box (10), the air outlet nozzle (12) is provided with an external thread structure, the dial plate of the meter (2) is installed in an embedded manner, a plurality of air nozzles (13) with the same structure are embedded on the wall surface in front of the dial plate of the meter (2), a plurality of spray pipes (14) are connected on the air nozzles (13) and are embedded in the shell of the meter (2) to extend upwards, one end of the gas collecting pipe (15) is communicated with the idle end of the plurality of spray pipes (14), the gas collecting pipe (15) is embedded in the shell of the meter (2) and is connected with the gas outlet nozzle (12);
the locking and unlocking assembly comprises: a limiting clamping block (16), a limiting plate (17) and a lock hole (18);
the lock cylinder (8) is of a two-section structure, the upper portion of the lock cylinder (8) can rotate on the lower portion, the upper portion of the lock cylinder is a rotating cylinder, the lower portion of the rotating cylinder is a fixed cylinder, a plug-in hole is formed in the vertical direction of the center of the lock sleeve (9), the lock cylinder (8) is inserted into the plug-in hole, a semi-cylindrical limiting clamping block (16) is arranged outside the rotating cylinder, a semi-circular limiting plate (17) is arranged at the lower end of the plug-in hole in a matched mode, and a lock hole (18) is formed in the center of the rotating cylinder.
2. A quick-release self-cleaning power measuring device according to claim 1, wherein the gas collecting tube (15) is connected to the gas outlet nozzle (12) through a connector (19), and the connector (19) is provided with an electromagnetic valve (20).
3. A quick-release self-cleaning power measuring device according to claim 1, wherein the fixed core has a semi-circular filler block (21) matching the position-limiting plate (17), and the filler block (21) is opposite to the position-limiting plate (17).
4. A quick-release self-cleaning power measuring device according to claim 1, wherein the outer cabinet door (3) is provided with sealing strips (22) at four edges, and the sealing strips (22) are attached to the opening of the mounting cabinet (1).
5. A quick-release self-cleaning power measuring device according to claim 1, wherein the observation window (5) is of a convex transparent plastic construction, around which a sealing tape (23) is mounted.
6. A quick-release self-cleaning power measuring device according to claim 1, wherein a pair of identical stop caps (24) are fitted on top of a pair of said guide rails (6).
7. A quick-release self-cleaning power measuring device according to claim 2, wherein the connector (19) has an internal thread structure and is movably connected to the gas collecting tube (15).
8. A quick-release self-cleaning power measuring device as claimed in claim 1, wherein the meter (2) is a rectangular case of plastic structure, and the case is of a butt-joint structure, and the butt-joint parts are connected by a plurality of screws with the same structure.
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