CN108429171B - Join in marriage net twine way state panorama intelligent monitoring device - Google Patents
Join in marriage net twine way state panorama intelligent monitoring device Download PDFInfo
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- CN108429171B CN108429171B CN201810516164.8A CN201810516164A CN108429171B CN 108429171 B CN108429171 B CN 108429171B CN 201810516164 A CN201810516164 A CN 201810516164A CN 108429171 B CN108429171 B CN 108429171B
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- door body
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ventilation (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a panoramic intelligent monitoring device for a distribution network line state, which comprises a cabinet body, wherein a door body is arranged on one side of the cabinet body, a monitoring device is fixed on the door body, the monitoring device comprises an executing mechanism and a reconnaissance mechanism, the reconnaissance mechanism is fixed on the door body and comprises a driven gear, a rotating shaft, a supporting plate, a sliding component, a mounting plate, a temperature sensor, a humidity sensor and a smoke sensor, the rotating shaft penetrates through the door body and is rotationally connected with the door body through a bearing, and one end of the rotating shaft, which is close to the inside of the cabinet body, is fixed with the supporting plate.
Description
Technical Field
The invention relates to the technical field of distribution network line state monitoring, in particular to a panoramic intelligent monitoring device for distribution network line states.
Background
In recent years, intelligent information of a power transmission and transformation system has a quite high level, the intelligent information level of a distribution network is lower due to the limitation of the use environment and the complexity of a structure, the fault rate of the distribution network with a complex structure due to a severe environment is high, the intelligent information of the distribution network becomes one of the main works of the next step along with the further deep work of the intelligent power grid, but due to the fact that the information acquisition is various, the transmission channel is lacked, the comprehensive monitoring software is lacked, and the like, no system solution exists in China.
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled spacing ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, and has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. It is widely used in distribution stations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, and box-type substations.
Most of the ring main units in the prior art are not provided with monitoring devices, so that the working state of the internal circuit of the ring main unit cannot be monitored, thereby preventing the occurrence of circuit faults, preventing the fault circuit from being repaired in time, reducing the service performance of the ring main unit, and the ring main units provided with the monitoring devices are distributed in small parts, and because the positions of the monitoring devices are fixed, the covered areas are smaller, the fault parts of the internal circuit of the ring main unit cannot be monitored for the first time, the damage degree of the circuit can be monitored when the damage degree of the circuit is larger, and the loss of circuit accessories is increased; in some areas with larger temperature difference, the ring main unit is large in internal humidity and easy to form condensation, so that a circuit is easy to damage, heat can be generated during circuit operation, and the circuit accessories are easy to burn due to excessive heat accumulation. Therefore, we propose a distribution network line state panorama intelligent monitoring device.
Disclosure of Invention
The invention aims to provide a panoramic intelligent monitoring device for the state of a distribution network line, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a join in marriage net line state panorama intelligent monitoring device, includes the cabinet body, one side of the cabinet body is equipped with the door body, be fixed with monitoring devices on the door body, monitoring devices includes actuating mechanism and reconnaissance mechanism, reconnaissance mechanism is fixed on the door body, and reconnaissance mechanism includes passive gear, pivot, backup pad, slip subassembly, mounting panel, temperature sensor, humidity transducer and smoke transducer, the pivot runs through the door body, and rotates through the bearing and be connected with the door body, the pivot is close to the internal one end of cabinet and is fixed with the backup pad, the other end of pivot is fixed with the axle center department of passive gear, passive gear is connected with actuating mechanism's output, and actuating mechanism fixes in the outside of the door body, slip subassembly is fixed in one side that the pivot was kept away from to the backup pad, and the mounting panel is fixed with slip subassembly's output, temperature sensor, humidity transducer and smoke transducer all are fixed with air supply mechanism and dehumidifier at the top of the cabinet inboard dehumidifier is located the cabinet body, one side that the door was kept away from to be equipped with of the cabinet body.
Preferably, two investigation mechanisms are arranged, and the two investigation mechanisms are symmetrically distributed in the vertical direction of the door body.
Preferably, a protective cover is arranged on the outer side of the actuating mechanism, and one side of the protective cover is fixed with the door body.
Preferably, the actuating mechanism comprises an actuating motor, a driving gear and a gear train, wherein the actuating motor is fixed on the outer side of the door body, an output shaft of the actuating motor is fixed at the axis of the driving gear, and the gear train is respectively connected on the outer sides of the driving gear and the driven gear in a meshed mode.
Preferably, the sliding component comprises a sliding motor, a driving rack, a driving gear, a connecting shaft and a sliding frame, wherein the sliding frame is sleeved on the outer side of the supporting plate, one side of the supporting plate, close to the door body, is in sliding connection with the inner wall of the sliding frame, the driving rack is fixed on the middle part of one side, far away from the door body, of the supporting plate, and is in meshed connection with the driving gear, the connecting shaft is symmetrically fixed on two sides of the driving gear, one end, far away from the driving gear, of the connecting shaft is in rotary connection with the inner wall of the sliding frame through a bearing, the sliding motor is fixed on one side, parallel to the driving gear, of the sliding frame, an output shaft of the sliding motor is fixed with the connecting shaft on one side of the driving gear, and the mounting plate is fixed on one side, far away from the door body, of the sliding frame.
Preferably, the air supply mechanism comprises an air supply motor, an air supply cylinder, a fixed cylinder, a supporting rod and air supply fan blades, wherein the air supply cylinder is fixed in the middle of the top of the cabinet body and is communicated with the inside of the cabinet body, the air supply motor is located on the inner side of the air supply cylinder, the fixed cylinder is fixedly sleeved on the outer side of the air supply motor, the outer side of the fixed cylinder is fixed with the inner wall of the air supply cylinder through the supporting rod, the supporting rod is provided with a plurality of air supply fan blades, the air supply fan blades are located below the air supply motor, and the axle center of the air supply fan blades is fixed with the output shaft of the air supply motor.
Preferably, a first filter screen is arranged above the air supply motor, and the first filter screen is fixed with the inner wall of the air supply barrel.
Preferably, the outside of the door body is fixed with an audible and visual alarm, and the audible and visual alarm is positioned above the protective cover, and the temperature sensor, the humidity sensor and the smoke sensor are electrically connected with the audible and visual alarm.
Preferably, a dustproof cylinder is fixed at the inner side of the air outlet, and a second filter screen is fixed at the inner side of the dustproof cylinder.
Preferably, the outside of pivot has cup jointed a support section of thick bamboo, and the pivot passes through the bearing and rotates with the inner wall of a support section of thick bamboo and be connected, the one end of a support section of thick bamboo is fixed with the door body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention increases the monitoring area of the circuit in the cabinet body, when the position of the circuit part fails, the invention can timely monitor, reduce the consumption of circuit accessories, control the humidity and the temperature in the cabinet body, prevent the temperature in the cabinet body from being too high and the humidity from being too large, prolong the service life of the circuit, and drive the rotation of the rotating shaft by executing the rotation of the motor, thereby driving the temperature sensor, the humidity sensor and the smoke sensor fixed on the mounting plate to rotate, realizing the increase of the monitoring area of the temperature sensor, the humidity sensor and the smoke sensor, and driving the rotation of the driving gear by the rotation of the output shaft of the sliding motor, the driving gear is meshed with the driving rack, the driving rack is fixed on the supporting plate, the supporting plate is connected with the inner wall of the sliding frame in a sliding way, the rotation of the driving gear can drive the sliding frame outside the supporting plate, thus the positions of the temperature sensor, the humidity sensor and the smoke sensor are changed, the temperature sensor and the smoke sensor are driven to rotate, the coverage area of the temperature sensor, the humidity sensor and the smoke sensor are wider, when the temperature sensor is higher in the cabinet body, the output shaft of the motor rotates, the fan blades can drive the driving gear to rotate, and the driving rack to be meshed with the driving rack, the driving rack to be fixed on the supporting plate, the inner wall of the sliding frame, the temperature sensor and the humidity sensor can be blown out of the air from the cabinet body through the air outlet through the cabinet.
2. According to the invention, the first filter screen can filter air entering the cabinet body, the audible and visual alarm can give an alarm in time when a fire disaster occurs in the circuit in the cabinet body, the second filter screen can prevent external dust from entering the cabinet body through the air outlet, and the supporting strength of the rotating shaft is improved through the supporting cylinder, so that the rotating shaft is more stable to rotate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a sliding assembly according to the present invention;
FIG. 3 is an enlarged view of area A of FIG. 1;
FIG. 4 is an enlarged view of area B of FIG. 1;
FIG. 5 is an enlarged view of region C of FIG. 1;
FIG. 6 is an enlarged view of area D of FIG. 1;
fig. 7 is an enlarged view of the area E in fig. 1.
In the figure: 1-a cabinet body; 2-door body; 3-monitoring means; 4-an actuator; 5-survey mechanism; 6-a driven gear; 7-rotating shaft; 8-supporting plates; 9-a sliding assembly; 10-mounting plates; 11-a temperature sensor; 12-a humidity sensor; 13-a smoke sensor; 14-an air supply mechanism; 15-dehumidifier; 16-an exhaust outlet; 17-a protective cover; 18-an execution motor; 19-a drive gear; 20-gear train; 21-a slide motor; 22-driving a rack; 23-a drive gear; 24-connecting shaft; 25-sliding frame; 26-an air supply motor; 27-an air supply barrel; 28-fixing the cylinder; 29-supporting rods; 30-air supply fan blades; 31-a first filter screen; 32-an audible and visual alarm; 33-a dust-proof cylinder; 34-a second filter screen; 35-support the cylinder.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a join in marriage net line state panorama intelligent monitoring device, includes the cabinet body 1, one side of the cabinet body 1 is equipped with the door body 2, be fixed with monitoring devices 3 on the door body 2, monitoring devices 3 include actuating mechanism 4 and reconnaissance mechanism 5, reconnaissance mechanism 5 is fixed on the door body 2, and reconnaissance mechanism 5 includes driven gear 6, pivot 7, backup pad 8, sliding component 9, mounting panel 10, temperature sensor 11, humidity transducer 12 and smoke transducer 13, pivot 7 runs through the door body 2, and rotates through the bearing and be connected with the door body 2, the one end that pivot 7 is close to the inside of the cabinet body 1 is fixed with backup pad 8, the other end of pivot 7 is fixed with the axle center department of driven gear 6, driven gear 6 is connected with the output of actuating mechanism 4, and actuating mechanism 4 is fixed in the outside of the door body 2, sliding component 9 is fixed in the one side that pivot 7 was kept away from to the backup pad 8, and mounting panel 10 is fixed with the output of sliding component 9, temperature sensor 11, humidity transducer 12 and smoke transducer 13 are close to the inside of the cabinet body 1 is equipped with the air-out of the cabinet body 15, the air-out side of the cabinet body 15 is kept away from 1 to the indoor side of the cabinet body 15.
The two investigation mechanisms 5 are arranged, and the two investigation mechanisms 5 are symmetrically distributed in the vertical direction of the door body 2, so that the coverage range of the investigation mechanisms 5 is wider.
The outside of actuating mechanism 4 is equipped with protection casing 17, one side of protection casing 17 is fixed with door body 2, plays the guard action to actuating mechanism 4 through protection casing 17, prevents that external object from causing the damage to actuating mechanism 4.
The actuating mechanism 4 comprises an actuating motor 18, a driving gear 19 and a gear train 20, wherein the actuating motor 18 is fixed on the outer side of the door body 2, an output shaft of the actuating motor 18 is fixed on the axis of the driving gear 19, the gear train 20 is respectively connected on the outer sides of the driving gear 19 and the driven gear 6 in a meshed mode, and the supporting mechanism is used for providing power for rotation of the temperature sensor 11, the humidity sensor 12 and the smoke sensor 13.
The sliding assembly 9 comprises a sliding motor 21, a driving rack 22, a driving gear 23, a connecting shaft 24 and a sliding frame 25, the sliding frame 25 is sleeved on the outer side of the supporting plate 8, one side, close to the door body 2, of the supporting plate 8 is in sliding connection with the inner wall of the sliding frame 25, the driving rack 22 is fixed in the middle of one side, far away from the door body 2, of the supporting plate 8, the driving rack 22 is meshed with the driving gear 23, the connecting shaft 24 is symmetrically fixed on two sides of the driving gear 23, one end, far away from the driving gear 23, of the connecting shaft 24 is in rotating connection with the inner wall of the sliding frame 25 through a bearing, the sliding motor 21 is fixed on one side, parallel to the driving gear 23, of the sliding motor 21, the output shaft of the sliding motor is fixed on the connecting shaft 24 on one side of the driving gear 23, the mounting plate 10 is fixed on one side, far away from the door body 2, of the sliding frame 25, and coverage rate of the temperature sensor 11, the humidity sensor 12 and the smoke sensor 13 is improved.
The air supply mechanism 14 comprises an air supply motor 26, an air supply barrel 27, a fixed barrel 28, a supporting rod 29 and air supply fan blades 30, wherein the air supply barrel 27 is fixed at the middle of the top of the cabinet body 1, the air supply barrel 27 is communicated with the inside of the cabinet body 1, the air supply motor 26 is located at the inner side of the air supply barrel 27, the fixed barrel 28 is fixedly sleeved on the outer side of the air supply motor 26, the outer side of the fixed barrel 28 is fixed with the inner wall of the air supply barrel 27 through the supporting rod 29, the supporting rod 29 is provided with a plurality of air supply fan blades 30, the air supply fan blades 30 are located below the air supply motor 26, and the axle center of the air supply fan blades 30 are fixed with the output shaft of the air supply motor 26.
The top of air supply motor 26 is equipped with first filter screen 31, first filter screen 31 is fixed with the inner wall of air supply section of thick bamboo 27, can take out the heat that the cabinet body 1 inside produced through air supply mechanism 14, can play the filter effect to the air that gets into the cabinet body 1 inside through first filter screen 31.
The outside of the door body 2 is fixed with an audible and visual alarm 32, the audible and visual alarm 32 is positioned above the protective cover 17, the temperature sensor 11, the humidity sensor 12 and the smoke sensor 13 are electrically connected with the audible and visual alarm 32, and an alarm can be timely given out when a fire disaster occurs in the circuit in the cabinet body 1 through the audible and visual alarm 32.
The inside of air exit 16 is fixed with dustproof section of thick bamboo 33, the inboard of dustproof section of thick bamboo 33 is fixed with second filter screen 34, can prevent through second filter screen 34 that external dust from getting into in the cabinet body 1 through air exit 16.
The outside of pivot 7 has cup jointed a support section of thick bamboo 35, and pivot 7 is connected with the inner wall rotation of support section of thick bamboo 35 through the bearing, the one end of support section of thick bamboo 35 is fixed with door body 2, has improved the support strength of pivot 7 through support section of thick bamboo 35 to make pivot 7 pivoted more stable.
Working principle: the monitoring area of the circuit in the cabinet body 1 is increased, when the position of the circuit part fails, the monitoring area can be timely monitored, the consumption of circuit accessories is reduced, the humidity and the temperature in the cabinet body 1 can be controlled, the overhigh temperature and overhigh humidity in the cabinet body 1 are prevented, the service life of the circuit is prolonged, the rotation of the rotating shaft 7 can be driven by executing the rotation of the motor 18 during the operation, the rotation of the temperature sensor 11, the humidity sensor 12 and the smoke sensor 13 fixed on the mounting plate 10 is driven, the increase of the monitoring area of the temperature sensor 11, the humidity sensor 12 and the smoke sensor 13 is realized, the rotation of the driving gear 23 can be driven by the rotation of the output shaft of the sliding motor 21, the driving gear 23 is meshed with the driving rack 22, the driving rack 22 is fixed on the support plate 8, the inner wall sliding connection of backup pad 8 and slip frame 25 makes the rotation of drive gear 23 can drive slip frame 25 in the backup pad 8 outside to make temperature sensor 11, humidity transducer 12 and smoke transducer 13's position obtain the change, make temperature sensor 11, humidity transducer 12 and smoke transducer 13's coverage area wider, when cabinet body 1 inside temperature is higher, can drive the rotation of air supply flabellum 30 through the rotation of air supply motor 26 output shaft, make external air form the air current and blow into cabinet body 1, the discharge from air exit 16 from cabinet body 1 again, the heat in the cabinet body 1 carries out cabinet body 1 through the air current, realized the heat dissipation to cabinet body 1 internal circuit, can play the effect of reducing humidity when cabinet body 1 inside humidity is too big through dehumidifier 15.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a join in marriage net twine way state panorama intelligent monitoring device, includes cabinet body (1), its characterized in that: one side of the cabinet body (1) is provided with a door body (2), be fixed with monitoring devices (3) on the door body (2), monitoring devices (3) are including actuating mechanism (4) and reconnaissance mechanism (5), reconnaissance mechanism (5) are fixed on the door body (2), and reconnaissance mechanism (5) are including passive gear (6), pivot (7), backup pad (8), slip subassembly (9), mounting panel (10), temperature sensor (11), humidity transducer (12) and smoke transducer (13), pivot (7) run through the door body (2), and through bearing and door body (2) swivelling joint, pivot (7) are close to the inside one end of cabinet body (1) and are fixed with backup pad (8), the other end of pivot (7) is fixed with the axle center department of passive gear (6), the output of passive gear (6) and actuating mechanism (4) are connected, and actuating mechanism (4) are fixed in the outside of the door body (2), slip subassembly (9) are fixed in backup pad (8) and are kept away from in the pivot (7) and one side of the output of pivot (10) and slip subassembly (9), the temperature sensor (11) is fixed The humidity sensor (12) and the smoke sensor (13) are both fixed at one end of the mounting plate (10) far away from the sliding component (9), an air supply mechanism (14) and a dehumidifier (15) are fixed at the top of the cabinet body (1), the dehumidifier (15) is positioned at the inner side of the cabinet body (1), and an air outlet (16) is formed in one side of the cabinet body (1) far away from the door body (2);
the actuating mechanism (4) comprises an actuating motor (18), a driving gear (19) and a gear chain (20), wherein the actuating motor (18) is fixed on the outer side of the door body (2), an output shaft of the actuating motor (18) is fixed at the axle center of the driving gear (19), and the gear chain (20) is respectively connected with the outer sides of the driving gear (19) and the driven gear (6) in a meshed mode;
the sliding assembly (9) comprises a sliding motor (21), a driving rack (22), a driving gear (23), a connecting shaft (24) and a sliding frame (25), wherein the sliding frame (25) is sleeved on the outer side of a supporting plate (8), one side of the supporting plate (8) close to a door body (2) is in sliding connection with the inner wall of the sliding frame (25), the driving rack (22) is fixed on the middle part of one side of the supporting plate (8) away from the door body (2), the driving rack (22) is meshed with the driving gear (23), the connecting shaft (24) is symmetrically fixed on two sides of the driving gear (23), one end of the connecting shaft (24) away from the driving gear (23) is connected with the inner wall of the sliding frame (25) in a rotating mode through a bearing, the sliding motor (21) is fixed on one side of the sliding frame (25) parallel to the driving gear (23), and an output shaft of the sliding motor (21) is fixed on the connecting shaft (24) on one side of the driving gear (23), and the mounting plate (10) is fixed on one side of the sliding frame (25) away from the door body (2).
2. The intelligent monitoring device for the panoramic state of a distribution network line according to claim 1, wherein: the two exploration mechanisms (5) are arranged, and the two exploration mechanisms (5) are symmetrically distributed in the vertical direction of the door body (2).
3. The intelligent monitoring device for the panoramic state of a distribution network line according to claim 1, wherein: the outside of actuating mechanism (4) is equipped with protection casing (17), one side of protection casing (17) is fixed with door body (2).
4. The intelligent monitoring device for the panoramic state of a distribution network line according to claim 1, wherein: the utility model provides an air supply mechanism (14) is including air supply motor (26), air supply section of thick bamboo (27), fixed section of thick bamboo (28), bracing piece (29) and air supply flabellum (30), the middle part at cabinet body (1) top is fixed in air supply section of thick bamboo (27), and the inside intercommunication of air supply section of thick bamboo (27) and cabinet body (1), air supply motor (26) are located the inboard of air supply section of thick bamboo (27), the outside at air supply motor (26) is fixed to cup joint in fixed section of thick bamboo (28), and the outside of fixed section of thick bamboo (28) is fixed with the inner wall of air supply section of thick bamboo (27) through bracing piece (29), bracing piece (29) are equipped with a plurality ofly, air supply flabellum (30) are located the below of air supply motor (26), and the axle center department of air supply flabellum (30) is fixed with the output shaft of air supply motor (26).
5. The intelligent monitoring device for the panoramic status of a distribution network line according to claim 4, wherein: a first filter screen (31) is arranged above the air supply motor (26), and the first filter screen (31) is fixed with the inner wall of the air supply barrel (27).
6. A distribution network line state panorama intelligent monitoring device according to claim 3, wherein: an audible and visual alarm (32) is fixed on the outer side of the door body (2), the audible and visual alarm (32) is located above the protective cover (17), and the temperature sensor (11), the humidity sensor (12) and the smoke sensor (13) are electrically connected with the audible and visual alarm (32).
7. The intelligent monitoring device for the panoramic state of a distribution network line according to claim 1, wherein: a dustproof cylinder (33) is fixed on the inner side of the air outlet (16), and a second filter screen (34) is fixed on the inner side of the dustproof cylinder (33).
8. The intelligent monitoring device for the panoramic state of a distribution network line according to claim 1, wherein: the outside of pivot (7) has cup jointed support section of thick bamboo (35), and pivot (7) are connected with the inner wall rotation of support section of thick bamboo (35) through the bearing, the one end of support section of thick bamboo (35) is fixed with door body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516164.8A CN108429171B (en) | 2018-05-25 | 2018-05-25 | Join in marriage net twine way state panorama intelligent monitoring device |
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| CN201810516164.8A CN108429171B (en) | 2018-05-25 | 2018-05-25 | Join in marriage net twine way state panorama intelligent monitoring device |
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| CN108429171A CN108429171A (en) | 2018-08-21 |
| CN108429171B true CN108429171B (en) | 2023-07-07 |
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| CN201810516164.8A Active CN108429171B (en) | 2018-05-25 | 2018-05-25 | Join in marriage net twine way state panorama intelligent monitoring device |
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