CN114003012B - DCS alarm device with early warning function and based on big data thermal power generating unit - Google Patents

DCS alarm device with early warning function and based on big data thermal power generating unit Download PDF

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Publication number
CN114003012B
CN114003012B CN202111323963.1A CN202111323963A CN114003012B CN 114003012 B CN114003012 B CN 114003012B CN 202111323963 A CN202111323963 A CN 202111323963A CN 114003012 B CN114003012 B CN 114003012B
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China
Prior art keywords
rod
plate
thermal power
big data
alarm device
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CN202111323963.1A
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Chinese (zh)
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CN114003012A (en
Inventor
吴建勋
李兴敏
张栋栋
王承亮
林西国
宗绪东
胡帅
李毓敬
王屾
钊学明
周东阳
万松森
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Huadian International Power Co ltd Technical Service Branch
Huadian Zouxian Power Generation Co ltd
Xian Thermal Power Research Institute Co Ltd
Original Assignee
Huadian International Power Co ltd Technical Service Branch
Huadian Zouxian Power Generation Co ltd
Xian Thermal Power Research Institute Co Ltd
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Application filed by Huadian International Power Co ltd Technical Service Branch, Huadian Zouxian Power Generation Co ltd, Xian Thermal Power Research Institute Co Ltd filed Critical Huadian International Power Co ltd Technical Service Branch
Priority to CN202111323963.1A priority Critical patent/CN114003012B/en
Publication of CN114003012A publication Critical patent/CN114003012A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41845Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/33Director till display
    • G05B2219/33273DCS distributed, decentralised controlsystem, multiprocessor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

The invention discloses a big data thermal power generating unit DCS-based alarm device with an early warning function, which comprises a protective shell, a temperature sensor, a controller, a buzzer and a driving motor, wherein a wind dispersing plate is arranged on the outer side of the protective shell, the temperature sensor is arranged at the bottom of the rear end of the protective shell, the driving motor is arranged at the top of the front end of the protective shell, the front of a rotary adjusting plate is connected with an extrusion pushing rod, and positioning blocks are connected to two sides of a movable plate in a sliding manner. This DCS alarm device based on big data thermal power unit with early warning function can filter the floating dust through the inside evenly distributed's of connecting plate hole column structure to through the setting of extrusion catch bar, can drive the fly leaf at the rotatory in-process of rotatory regulating plate of control and reciprocate the lift under the effect of locating piece, thereby the accessible activity clearance brush is cleared up the surface of connecting plate, avoids the dust to block up the hole, influences the monitoring of device to the temperature in the unit.

Description

DCS alarm device with early warning function and based on big data thermal power generating unit
Technical Field
The invention relates to the technical field of thermal power generating units, in particular to a DCS alarm device with an early warning function and based on big data of a thermal power generating unit.
Background
Because of shortage of fossil fuel on the earth, mankind is trying to develop nuclear power generation, nuclear fusion power generation, high-efficiency solar power generation and the like so as to finally solve the energy problem faced by the human society, the earliest thermal power generation is realized in a thermal power plant of a north-Paris railway station in 1875, along with improvement of manufacturing technology of a generator and a steam turbine, improvement of power transmission and transformation technology, particularly the appearance of a power system and the requirement of social electrification on electric energy, and after the 30 th century, the thermal power generation enters a period of great development;
The thermal generator set takes coal, oil, flammable gas and the like as fuels, heats water in a boiler to heat the water, and then uses steam with certain pressure to push a gas wheel type generator set to be widely applied in society, but the DCS alarm device based on the big data thermal power unit in the market still has the following problems:
1. the existing DCS alarm device based on the big data thermal power unit is extremely easy to influence the temperature of the device by dust, so that detection errors are caused;
2. The conventional DCS alarm device based on the big data thermal power unit has poor temperature sensing capability and slow reaction;
Aiming at the problems, the novel design is carried out on the basis of the original DCS alarm device based on the big data thermal power unit.
Disclosure of Invention
The invention aims to provide a big data thermal power unit based DCS alarm device with an early warning function, which aims to solve the problems that the existing big data thermal power unit based DCS alarm device on the market provided in the background technology is extremely easy to influence detection of dust on device temperature, leads to detection errors, and is poor in temperature sensing capability and slow in response.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a DCS alarm device based on big data thermal power generating unit with early warning function, includes protective housing, temperature sensor, controller, bee calling organ and driving motor, the air dispersion board is installed in protective housing's outside, protective housing's front end bottom is provided with the connecting plate, protective housing's rear end bottom is provided with temperature sensor, temperature sensor's top is connected with the controller, controller and bee calling organ electric connection, driving motor is installed at protective housing's front end top, driving motor's output is provided with rotatory regulating plate, rotatory regulating plate's the place ahead is connected with the extrusion push rod, the fly leaf is installed to the bottom of extrusion push rod, the equal sliding connection in both sides of fly leaf has the locating piece, the dead lever is installed to the bottom of fly leaf, the movable cleaning brush is installed to one side that the dead lever is close to the connecting plate, the below of dead lever is installed, the inboard is connected with the location arch, the bellied limit side of location is provided with the limit spring of a connecting block, a limit spring is connected with the limit lever.
Preferably, the connection mode of the protective shell and the connecting plate is bolt connection, hole-shaped structures are uniformly distributed in the connecting plate, and the inner surface of the connecting plate is attached to the movable cleaning brush.
Preferably, the extrusion push rod is hinged with the rotary adjusting plate and the movable plate in a connecting mode, the movable plate forms a lifting structure through the extrusion push rod, and rectangular groove structures are formed in the left end and the right end of the movable plate.
Preferably, the connection mode of the movable plate and the positioning block is a clamping connection mode, the connection mode of the movable plate and the bearing rod is a welding mode, and the mounting blocks are mounted at the left end and the right end of the bearing rod.
Preferably, the installation piece is connected for rotating with the connected mode of loading pole, and one side that the loading pole was kept away from to the installation piece is provided with rotatory pole of beating to rotatory pole of beating is the rubber elasticity material, install fixed connection strip between installation piece and the connecting plate, and fixed connection strip is connected for the meshing with the connected mode of installation piece.
Preferably, the outer surface of the connecting block is arranged in a meshed structure, the inner side of the connecting block is fixedly connected with a positioning protrusion, the positioning protrusion and the limiting rod are arranged at intervals, and the limiting rod is hinged with the movable shaft rod in a connecting mode.
Preferably, the right-hand member of activity axostylus axostyle is provided with the air-extracting flabellum, and the activity axostylus axostyle runs through in the inside of supporting seat to the middle part outside fixedly connected with fixed block of activity axostylus axostyle.
Preferably, the outer surface of the fixed block is in a meshed structure, the fixed block is connected with the pressing rod in a clamping manner, and the pressing rod is hinged with the supporting seat.
Preferably, one side of the pressing rod is provided with a limiting anti-falling plate, a second spring is connected between the pressing rod and the limiting anti-falling plate, and the limiting anti-falling plate is in a broken line structure.
Compared with the prior art, the invention has the beneficial effects that: the DCS alarm device with the early warning function based on the big data thermal power unit,
1. Through setting up rotatory regulating plate, extrusion catch bar and activity clearance brush, can filter the floating dust through the hole column structure of the inside evenly distributed of connecting plate to through the setting of extrusion catch bar, can drive the fly leaf and reciprocate under the effect of locating piece in the rotatory in-process of control rotatory regulating plate, thereby the surface of accessible activity clearance brush to the connecting plate is cleared up, avoids dust to block up the hole, influences the monitoring of device to the unit temperature;
2. Through setting up installation piece, rotatory pole and fixed connection strip of beating, at the in-process that control carrier bar follows the fly leaf and goes up and down, the setting of accessible fixed connection strip makes the installation piece that meshes with it take place to rotate in the lift removal in-process to can make the rotatory pole of beating of rubber elasticity material take place to rotate and beat the connecting plate, can make the dust residue in the connecting plate hole shake and fall, make things convenient for the clearance of floating dust to get rid of;
3. Through setting up connecting block, gag lever post and air extraction fan leaf, when the control fixed strip moves down, can drive the connecting block and rotate to extrude the gag lever post through the location arch and can drive movable axostylus axostyle and air extraction fan leaf and rotate, can reach the effect of bleeding, temperature in the detection unit that can be more accurate, the perceptibility is strong, and reaction speed is fast, and the gag lever post articulates with movable axostylus axostyle, when the fixed strip moves up, can make connecting block and movable axostylus axostyle take place relative rotation, avoid air extraction fan leaf reversal;
4. through setting up bee calling organ, fixed block and supporting the depression bar, when the inside temperature of unit rose to the early warning setting value, the honey ware can take place intermittent type formula and call, makes the device have the early warning function, and through the location that supports the depression bar, can make movable axostylus axostyle only can rotate towards appointed one side, avoids its reversal to influence the accuracy that temperature detected.
Drawings
FIG. 1 is a schematic diagram of the overall front view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of a rear view cross-section of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic top view of the connection between the carrier bar and the movable cleaning brush;
FIG. 6 is a schematic view of the whole structure of the connection between the movable plate and the positioning block;
FIG. 7 is a schematic diagram showing a side view of a connecting structure of a limit rod and a movable shaft rod;
Fig. 8 is a schematic of the workflow of the present invention.
In the figure: 1. a protective housing; 2. a wind dispersing plate; 3. a connecting plate; 4. a temperature sensor; 5. a controller; 6. a buzzer; 7. a drive motor; 8. rotating the adjusting plate; 9. extruding the pushing rod; 10. a movable plate; 11. a positioning block; 12. a carrier bar; 13. a movable cleaning brush; 14. a fixing strip; 15. a mounting block; 16. rotating the knocking rod; 17. fixing the connecting strip; 18. a connecting block; 19. positioning the bulge; 20. a limit rod; 21. a first spring; 22. a movable shaft lever; 23. a fan blade; 24. a support base; 25. a fixed block; 26. a pressing rod; 27. a second spring; 28. and a limiting anti-drop plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. 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.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 1,2, 3 and 6, the present invention provides a technical solution: the utility model provides a DCS alarm device based on big data thermal power unit with early warning function, including protective housing 1, temperature sensor 4, controller 5, bee calling organ 6 and driving motor 7, in order to eliminate the negative effect that the dust brought to temperature monitoring, can install the windbreak plate 2 in the outside of protective housing 1, be provided with connecting plate 3 at the front end bottom of protective housing 1, be provided with temperature sensor 4 at the rear end bottom of protective housing 1, be connected with controller 5 in the top of temperature sensor 4, and controller 5 and bee calling organ 6 electric connection, driving motor 7 is installed at the front end top of protective housing 1, be provided with rotatory regulating plate 8 at driving motor 7's output, be connected with extrusion push rod 9 in rotatory regulating plate 8's the place ahead, install fly leaf 10 in extrusion push rod 9 and the bottom of rotatory regulating plate 9, and the connected mode of fly leaf 10 is articulated, and fly leaf 10 constitutes elevation structure through extrusion push rod 9, and the inside of both ends inside of the left and right sides of fly leaf 10 has set up temperature sensor 4, be connected with controller 5 at the top of temperature sensor 4, be equipped with the connecting plate 13 at the inside of the roll-off plate 3, the roll-off brush is equipped with at the connecting plate 3 at the inside of the roll-off plate 3, the roll-off plate is equipped with at the roll-off plate 3, the roll-off plate is equipped with the roll-off plate 3, the brush is equipped with the roll-off plate 13 in the roll-off plate is equipped with in the roll-off plate 3 at the roll-off plate, the roll-off plate is connected to the roll-off plate is equipped with the roll-off plate, the roll-off brush and is equipped with the roll-up brush and is equipped with the roll-down in the roll-down, the roll-down brush, the roll-down is equipped with the roll-down, and is in, and is equipped, and is in, the roll-is.
Referring to fig. 3 and 5, in order to avoid blocking the internal hole of the connecting plate 3, the mounting blocks 15 may be mounted at the left and right ends of the carrier rod 12, the mounting blocks 15 are connected with the carrier rod 12 in a rotating manner, a rotary knocking rod 16 is disposed at one side of the mounting blocks 15 far away from the carrier rod 12, the rotary knocking rod 16 is made of rubber elastic material, a fixed connection strip 17 is mounted between the mounting blocks 15 and the connecting plate 3, the fixed connection strip 17 is connected with the mounting blocks 15 in a meshed manner, and in the process of controlling the carrier rod 12 to drive the mounting blocks 15 to lift, the mounting blocks 15 meshed with the fixed connection strip 17 can be controlled to rotate in the lifting movement process, so that the rotary knocking rod 16 made of rubber elastic material can rotate to knock the connecting plate 3, dust in the hole of the connecting plate 3 can be removed, cleaning of floating dust is facilitated, and temperature detection is avoided.
Referring to fig. 2,3 and 7, in order to improve the sensing capability of the device to temperature change, a connection block 18 may be installed below the fixing strip 14, a positioning protrusion 19 is connected to the inner side of the connection block 18, a stop lever 20 is disposed at the side of the positioning protrusion 19, a first spring 21 is connected to the middle of the stop lever 20, a movable shaft lever 22 is disposed at one end of the stop lever 20 far away from the positioning protrusion 19, the outer surface of the connection block 18 is disposed in a meshed structure, the positioning protrusion 19 is fixedly connected to the inner side of the connection block 18, the positioning protrusion 19 and the stop lever 20 are disposed at intervals, the connection mode of the stop lever 20 and the movable shaft lever 22 is hinged, a fan blade 23 is disposed at the right end of the movable shaft lever 22, the movable shaft lever 22 penetrates through the inside of the supporting seat 24, a fixing block 25 is fixedly connected to the outer side of the middle of the movable shaft lever 22, when the fixing strip 14 is controlled to move downwards, the connection block 18 can be driven to rotate, the stop lever 20 can be driven to rotate by the positioning protrusion 19, the movable shaft lever 22 and the fan blade 23 can be driven to rotate, thereby achieving a suction effect, and a more accurate sensing capability in a unit can be detected.
Referring to fig. 2, 3 and 4, in order to avoid the reverse rotation of the movable shaft 22 affecting the temperature monitoring, a pressing rod 26 may be disposed below the fixed block 25, the outer surface of the fixed block 25 is in a tooth structure, the fixed block 25 and the pressing rod 26 are connected in a clamping connection manner, the pressing rod 26 is hinged to the supporting seat 24, a limiting anti-falling plate 28 is disposed at one side of the pressing rod 26, a second spring 27 is connected between the pressing rod 26 and the limiting anti-falling plate 28, the limiting anti-falling plate 28 is in a fold line structure, and the movable shaft 22 can only rotate towards a designated side through positioning of the pressing rod 26, so as to avoid the reverse rotation affecting the accuracy of the temperature monitoring.
Working principle: when the DCS alarm device with the early warning function and based on the big data thermal power unit is used, the protective shell 1 is firstly arranged in the thermal power unit, the temperature inside the thermal power unit is monitored in real time through the temperature sensor 4, normal operation of the thermal power unit is guaranteed, after the temperature inside the thermal power unit rises to the early warning temperature value set by the controller 5, the buzzer 6 starts to generate intermittent ringing, the device can early warn a worker, and when the temperature continuously rises and rises to the highest temperature set value, the buzzer 6 starts to perform long ringing for warning the worker to process as soon as possible, and loss caused by unexpected shutdown of the thermal power unit is prevented;
In the use process of the device, the driving motor 7 can be started, as the extrusion pushing rod 9 is hinged with the rotary adjusting plate 8 and the movable plate 10, the extrusion pushing rod 9 can push the movable plate 10 to stably lift under the positioning action of the positioning block 11 in the process of controlling the rotation of the rotary adjusting plate 8, so that the carrying rod 12 can be driven to lift, the surface of the connecting plate 3 can be cleaned through the movable cleaning brush 13, dust blocking holes are avoided, the monitoring of the temperature in a unit is influenced, in addition, in the process of controlling the carrying rod 12 to lift along with the movable plate 10, the installation block 15 meshed with the fixed connecting strip 17 can rotate in the lifting and moving process through the arrangement of the fixed connecting strip 17, so that the rotary knocking rod 16 made of rubber elastic materials can rotate and knock the connecting plate 3, dust residues in the holes of the connecting plate 3 can be removed conveniently, and the temperature monitoring is avoided;
When the fixed bar 14 is controlled to move downwards, the connecting block 18 can be driven to rotate, the limiting rod 20 is extruded through the positioning protrusion 19, the movable shaft rod 22 and the exhaust fan blade 23 can be driven to rotate, the air extraction effect can be achieved, air flow in the thermal power unit is quickly brought into the device, the temperature in the thermal power unit can be accurately detected, the sensing capability is high, the reaction speed is high, and the obliquely arranged limiting rod 20 is hinged with the movable shaft rod 22, so that when the fixed bar 14 moves upwards, the positioning protrusion 19 can extrude the limiting rod 20 to rotate, the connecting block 18 and the movable shaft rod 22 relatively rotate, and the movable shaft rod 22 can only rotate towards one appointed side through the positioning of the pressing rod 26, the situation that the movable shaft rod 22 drives the exhaust fan blade 23 to reversely influence the temperature detection accuracy is avoided, the above is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art known to a person skilled in the art.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
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 (5)

1. The utility model provides a based on big data thermal power generating unit DCS alarm device with early warning function, includes protective housing, temperature sensor, controller, bee calling organ and driving motor, its characterized in that: the air distributing plate is arranged on the outer side of the protective shell, the connecting plate is arranged at the bottom of the front end of the protective shell, the temperature sensor is arranged at the bottom of the rear end of the protective shell, the controller is connected with the buzzer, the controller is electrically connected with the buzzer, the driving motor is arranged at the top of the front end of the protective shell, the output end of the driving motor is provided with the rotary adjusting plate, the extrusion pushing rod is connected with the front of the rotary adjusting plate, the movable plate is arranged at the bottom of the extrusion pushing rod, the positioning blocks are connected with the two sides of the movable plate in a sliding manner, the bearing rod is arranged at the bottom of the movable plate, the movable cleaning brush is arranged at one side of the bearing rod close to the connecting plate, the fixing strip is arranged at the other side of the bearing rod, the connecting block is arranged below the fixing strip, the inner side of the connecting block is connected with the positioning bulge, the limit rod is provided with the first spring, and one end of the limit rod far away from the positioning bulge is provided with the movable shaft rod;
The protective shell is connected with the connecting plate through bolts, hole-shaped structures are uniformly distributed in the connecting plate, and the inner surface of the connecting plate is attached to the movable cleaning brush;
The extrusion pushing rod is hinged with the rotary adjusting plate and the movable plate in a connecting mode, the movable plate forms a lifting structure through the extrusion pushing rod, and rectangular groove structures are formed in the left end and the right end of the movable plate;
The outer surface of the connecting block is arranged in a meshed structure, the inner side of the connecting block is fixedly connected with a positioning protrusion, the positioning protrusion and the limiting rod are arranged at intervals, and the limiting rod is hinged with the movable shaft rod in a connecting mode;
The right-hand member of activity axostylus axostyle is provided with the air-extracting flabellum, and the activity axostylus axostyle runs through in the inside of supporting seat to the middle part outside fixedly connected with fixed block of activity axostylus axostyle.
2. The DCS alarm device with the early warning function based on the big data thermal power unit is characterized in that: the movable plate is connected with the positioning block in a clamping way, the movable plate is welded with the bearing rod in a connecting way, and mounting blocks are mounted at the left end and the right end of the bearing rod.
3. The DCS alarm device with the early warning function and based on the big data thermal power unit is characterized in that: the installation piece is connected with the loading rod in a rotating way, one side, far away from the loading rod, of the installation piece is provided with a rotary knocking rod, the rotary knocking rod is made of rubber elastic materials, a fixed connection strip is installed between the installation piece and the connecting plate, and the fixed connection strip is connected with the installation piece in a meshed way.
4. The DCS alarm device with the early warning function based on the big data thermal power unit is characterized in that: the outer surface of the fixed block is in a meshed structure, the fixed block is connected with the pressing rod in a clamping mode, and the pressing rod is hinged with the supporting seat.
5. The DCS alarm device with the early warning function and based on the big data thermal power unit is characterized in that: one side of the pressing rod is provided with a limiting anti-falling plate, a second spring is connected between the pressing rod and the limiting anti-falling plate, and the limiting anti-falling plate is in a broken line structure.
CN202111323963.1A 2021-11-10 2021-11-10 DCS alarm device with early warning function and based on big data thermal power generating unit Active CN114003012B (en)

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