CN210993448U - Dust absorption device and generator dust treatment system - Google Patents
Dust absorption device and generator dust treatment system Download PDFInfo
- Publication number
- CN210993448U CN210993448U CN201921243961.XU CN201921243961U CN210993448U CN 210993448 U CN210993448 U CN 210993448U CN 201921243961 U CN201921243961 U CN 201921243961U CN 210993448 U CN210993448 U CN 210993448U
- Authority
- CN
- China
- Prior art keywords
- dust
- chamber
- fan
- air inlet
- absorption device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The embodiment of the application provides a dust absorption device and a generator dust treatment system, which comprise a dust removal chamber; an air inlet pipe orifice arranged on the dust chamber; a fan chamber connected with the dust chamber; an air outlet arranged on the fan chamber; a dust removal mechanism is arranged in the dust removal chamber; a fan is arranged in the fan chamber; the joint of the fan chamber and the dust chamber is provided with an isolation plate; the partition board is provided with a through hole matched with the air inlet of the fan; the air inlet of the fan is hermetically connected with the through hole; dusty gas gets into the clean room from the air inlet mouth of pipe under the effect of fan, inhales the fan and discharges from the air outlet after dust removal mechanism removes dust, has realized the produced dust of timely clearance equipment, guarantees equipment operation safety, reliable technological effect when improving equipment operational environment.
Description
Technical Field
The application relates to the technical field of power equipment maintenance, in particular to a dust absorption device and a generator dust treatment system.
Background
At present, a large amount of dust is generated when a plurality of devices operate, and the normal operation of the devices is influenced. For example, when a hydroelectric generating set of a hydropower station runs, a slip ring of the generator rubs with a carbon brush, and more carbon powder is generated, so that a large amount of carbon powder is deposited and attached in the whole slip ring chamber, the running environment of equipment is seriously influenced, the insulation of a rotor of the generator and the running safety and reliability of the equipment are reduced, a large amount of manpower and material resources are required to be invested for cleaning, the unit needs a large amount of time to quit for standby, and the power generation safety and the power. Therefore, it is urgently needed to provide a dust treatment scheme to improve the operation environment of the equipment and improve the safe reliability of the operation of the equipment.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a dust absorption device and a generator dust processing system for realize the produced dust of timely clearance equipment, guarantee equipment operation safety, reliable technological effect when improving equipment operational environment.
In a first aspect, embodiments of the present application provide a dust absorption apparatus, including a dust chamber; the air inlet pipe orifice is arranged on the dust chamber; the fan chamber is connected with the dust chamber; an air outlet arranged on the fan chamber; a dust removing mechanism is arranged in the dust removing chamber; a fan is arranged in the fan chamber; a partition plate is arranged at the joint of the fan chamber and the dust removal chamber; the isolating plate is provided with a through hole matched with the air inlet of the fan; the air inlet of the fan is hermetically connected with the through hole; and the dust-containing gas enters the dust removal chamber from the air inlet pipe under the action of the fan, is sucked into the fan after being subjected to dust removal treatment by the dust removal mechanism and is discharged from the air outlet.
In the above implementation, the dust absorption device includes a dust chamber; an air inlet pipe orifice arranged on the dust chamber; a fan chamber connected with the dust chamber; an air outlet arranged on the fan chamber; a dust removal mechanism is arranged in the dust removal chamber; the fan room is internally provided with a fan. The dust-containing gas enters the dust removal chamber from the air inlet pipe orifice of the dust absorption device under the action of the fan, is treated by the dust removal mechanism arranged in the dust removal chamber, then is sucked into the fan, and is discharged from the air outlet arranged on the fan chamber. A partition board is arranged at the joint of the dust removing chamber and the fan chamber, and the partition board is provided with a through hole matched with the air inlet of the fan; the air inlet of the fan is hermetically connected with the through hole. The technical effects of cleaning the dust-containing gas and improving the running state of the equipment are realized; meanwhile, the isolating plate is used for constructing the fan chamber into a closed structure, so that dust is prevented from entering the fan chamber, the service life of the fan is prolonged, and the equipment is safer and more reliable in operation.
Further, the dust absorbing apparatus further includes: a sound absorbing member disposed within the blower chamber for reducing noise generated by the blower.
In the implementation process, the fan chamber of the dust absorption device is also internally provided with a sound absorption member for reducing the noise generated by the fan and realizing the technical effect of reducing noise pollution.
Furthermore, the dust removal mechanism is a filter cylinder, and the filter cylinder is detachably connected with the dust removal chamber.
In the implementation process, the filter cylinder is used as the dust removal mechanism, and meanwhile, the filter cylinder is detachably connected with the dust removal chamber, so that the technical effect of cleaning the filter cylinder more conveniently when cleaning the dust-containing gas is achieved.
Further, the dust absorbing apparatus further includes: and the pressure difference switch is connected with the filter cylinder and used for detecting the pressure difference between the inside and the outside of the filter cylinder, and when the pressure difference between the inside and the outside of the filter cylinder reaches a preset value, the pressure difference switch gives an alarm.
In the implementation process, the dust absorption device further comprises a pressure difference switch connected with the filter cylinder and used for monitoring the pressure difference between the inside and the outside of the filter cylinder in real time, and when the pressure difference between the inside and the outside of the filter cylinder reaches a preset value, the pressure difference switch gives an alarm. By monitoring the pressure difference inside and outside the filter cylinder in real time, the influence of excessive dust accumulation on the filter cylinder on the cleaning effect is avoided.
Furthermore, an access door is arranged on the dust removal chamber, and the access door is rotatably connected with the dust removal chamber.
In the implementation process, the dust removal chamber is provided with the access door, and the access door is rotatably connected with the dust removal chamber, so that the filter cartridge can be more conveniently replaced after the pressure difference switch gives an alarm.
In a second aspect, the embodiment of the application provides a generator dust treatment system, which comprises a glass fiber reinforced plastic cover, a water-cooled generator and a water-cooled generator, wherein the glass fiber reinforced plastic cover covers a carbon brush slip ring of a water-turbine generator set; the air suction opening is arranged on the glass fiber reinforced plastic cover; the transmission pipe is connected with the air suction port; the dust absorption device is connected with the conveying pipe; and dust generated by the carbon brush slip ring enters the transmission pipe through the air suction opening and enters the dust absorption device through the transmission pipe.
In the implementation process, the carbon brush slip ring cover of the water turbine generator set is arranged in the glass fiber reinforced plastic cover, so that dust generated by the carbon brush slip ring can be well collected, and the dust is prevented from splashing. The dust collector is characterized in that the air suction opening is formed in the glass fiber reinforced plastic cover and is connected with the dust absorption device through the transmission pipe, dust generated in the running process of the carbon brush slip ring is transmitted through the air suction opening and enters the dust absorption device through the transmission pipe, and the dust absorption device removes dust, so that the dust is timely treated, and the labor expenditure is reduced.
Furthermore, the glass steel still covers including setting up observation window on the glass steel cover, the observation window with the glass steel cover can be dismantled and be connected.
In the implementation process, the glass fiber reinforced plastic cover is further provided with the observation window which can be detachably connected, and a worker can observe the working state of the carbon brush slip ring in the glass fiber reinforced plastic cover through the observation window to know the consumption condition of the carbon brush. The observation window adopts the mode of detachable connection, facilitates for changing the carbon brush.
Further, the conveying pipe is a flame-retardant hose.
In the implementation process, the flame-retardant hose is selected as the transmission pipe, so that the transmission pipe can be prevented from being damaged by fire, and the transmission pipeline can be arranged more conveniently.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram I of a dust absorption apparatus provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram II of a dust absorption apparatus provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram III of a dust absorption apparatus provided in an embodiment of the present application;
FIG. 4 is a schematic diagram of a distribution structure of a generator dust processing system according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a mounting state of a glass fiber reinforced plastic cover according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of the internal structure of a glass fiber reinforced plastic cover provided in the embodiments of the present application;
FIG. 7 is a schematic diagram of a control structure of a generator dust processing system according to an embodiment of the present application.
Icon: 10-a generator dust handling system; 100-dust absorption device; 200-a fan chamber; 210-a fan; 220-differential pressure switch; 230-a sealing door; 231-fastening; 240-air outlet; 300-a dust chamber; 310-a dust removal mechanism; 311-a first placing groove; 312-a second placement slot; 320-air inlet pipe orifice; 330-access door; 340-a safety lock; 400-a separator plate; 500-a remote console; 600-glass steel cover; 610-an air suction opening; 620-observation window; 630-carbon brush slip ring; 700-a transfer pipe; 800-wireless communication module.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 2, and fig. 3, fig. 1 is a schematic structural diagram II of a dust absorption apparatus according to an embodiment of the present application; FIG. 2 is a schematic structural diagram II of a dust absorption apparatus provided in an embodiment of the present application; fig. 3 is a schematic structural diagram III of a dust absorption apparatus provided in an embodiment of the present application.
The dust absorption apparatus 100 according to the embodiment of the present application includes a dust chamber 300; an air inlet pipe port 320 arranged on the dust chamber 300; a fan chamber 200 connected to the dust chamber 300; an air outlet 240 provided on the fan chamber 200; a dust removing mechanism 310 is arranged in the dust removing chamber 300; a fan 210 is arranged in the fan chamber 200; a partition board 400 is arranged at the joint of the fan chamber 200 and the dust chamber 300; the isolation plate 400 is provided with a through hole matched with the air inlet of the fan 210; the air inlet of the fan 210 is hermetically connected with the through hole; the dust-containing gas enters the dust chamber 300 from the air inlet pipe 320 under the action of the fan 210, is subjected to dust removal treatment by the dust removal mechanism 310, is sucked into the fan 210, and is discharged from the air outlet 240.
In one possible embodiment, the air inlet pipe 320 is disposed on the sidewall near the bottom surface of the dust chamber 300, the dust removing mechanism 310 in the dust chamber 300 is a filter cartridge, the surface of the partition board 400 near the side of the dust chamber 300 is provided with a first placing groove 311, and the bottom of the dust chamber 300 is provided with a second placing groove 312; the first placement slot 311 and the second placement slot 312 are oppositely disposed and sized to match the diameter of the filter cartridge. A first end of the filter cartridge is placed in the first placement slot 311 and a second end of the filter cartridge is placed in the second placement slot 312. Each set of placement slots may receive a plurality of filter cartridges and each filter cartridge may slide along a corresponding placement slot.
The first and second placement grooves 311 and 312 may be formed on two opposite sidewalls of the dust chamber 300, and the filter cartridge may be disposed in a direction parallel to the bottom surface of the dust chamber 300.
The fan room 200 is covered on the fan 210, and in order to prevent dust from entering the fan room 200, a third placing groove is formed on the surface of the partition board 400 on the side close to the fan room 200, and an air inlet of the fan 210 is placed in the third placing groove. The fan 210 is provided with a mounting hole, and the partition board 400 is provided with a screw hole matched with the mounting hole. When the fan 210 is installed, a sealing ring is arranged between the air inlet of the fan 210 and the third groove, and then a nut is screwed into a corresponding screw hole through an installation hole on the fan 210, so that the sealing treatment of the fan chamber 200 is completed. The material of the sealing ring may be metal, such as iron, copper, etc.; and may also be non-metallic such as polysulfide rubber, silicone rubber, and polyurethane sealants, among others.
A pressure difference switch 220 is further arranged in the fan chamber 200, the pressure difference switch 220 is connected with the filter cartridge and used for detecting the pressure difference between the inside and the outside of the filter cartridge, and when the pressure difference between the inside and the outside of the filter cartridge reaches a preset value (0-1000Pa, adjustable), the pressure difference switch 220 gives an alarm to remind maintenance personnel to clean or replace the filter cartridge. The differential pressure switch 220 is arranged in the closed type fan room 200, so that the influence of dust on the performance of equipment can be reduced.
Illustratively, the preset value of the internal and external pressure difference of the pressure difference switch 220 is 500Pa, the dust accumulation of the filter cartridge becomes thicker along with the increase of the dust removal time, the dust removal efficiency becomes lower, the resistance to the dust-containing gas increases, the internal and external pressure difference of the filter cartridge also changes, and when the internal and external pressure difference of the filter cartridge reaches 500Pa, the pressure difference switch 220 gives an alarm to prompt maintenance personnel to clean or replace the filter cartridge in time.
In the embodiment provided by the present application, the fan 210 selects a straight-chain centrifugal fan, and the blades of the fan 210 select backward-curved blades. The noise generated by the straight-chain centrifugal fan is small, and the noise generated by the dust absorption device 100 can be reduced. The backward-bent blades are high in efficiency and low in noise, and noise is reduced while the air suction capacity of the fan is improved.
In order to further reduce the noise in the fan compartment 200, a sound absorbing member may be further disposed in the fan compartment 200 to absorb a portion of the noise generated by the fan 210, thereby reducing the noise generated by the fan 210.
In one possible embodiment, the sound absorbing member is a sound absorber and is disposed on the housing of the fan 210. The sound absorber is a self-forming system, is convenient to install, does not need to be combined with a wall body, a ceiling and the like for use, and has higher sound absorption efficiency.
An access door 330 is further arranged on the dust chamber 300, and the access door 330 is rotatably connected with the dust chamber 300; the access door 330 is further provided with a safety lock for connecting with a lock groove arranged on the dust chamber 300. Through the access door 330 that sets up, maintainer can be very convenient clean straining a section of thick bamboo, sets up the safety lock and also can avoid opening by mistake access door 330 and influence the operation of dust absorbing device 100 simultaneously.
In order to facilitate repair of the fan 210 by a maintenance worker after the fan 210 fails, a sealing door 230 is further arranged on the fan room 200, one end of the sealing door 230 is rotatably connected with the fan room 200, and the other end of the sealing door 230 is connected with a clamping groove arranged on the fan room 200 through a buckle 231; when a maintenance person is required to overhaul the fan 210, the sealing door 230 can be opened by separating the buckle 231 from the clamping groove.
Referring to fig. 4, 5 and 6, fig. 4 is a schematic distribution structure diagram of a generator dust processing system according to an embodiment of the present disclosure; FIG. 5 is a schematic structural diagram of a mounting state of a glass fiber reinforced plastic cover provided by an embodiment of the present application; fig. 6 is a schematic view of the internal structure of a glass fiber reinforced plastic cover provided in the embodiment of the present application.
In the embodiment provided by the application, the generator dust treatment system 10 comprises a glass fiber reinforced plastic cover 600 covered on a carbon brush slip ring 630 of the hydro-generator, and an air suction opening 610 arranged on the glass fiber reinforced plastic cover 600; a transfer pipe 700 connected to the suction port 610; a dust absorption device 100 connected to the transfer pipe 700; dust generated by the carbon brush slip ring 630 enters the transmission pipe 700 through the air suction opening 610, and enters the dust absorption device 100 through the transmission pipe 700.
In a possible embodiment, the glass fiber reinforced plastic cover 600 is formed by assembling 6 sections of glass fiber reinforced plastic pipes, an installation part is arranged on the outer side of each section of glass fiber reinforced plastic pipe, a screw hole is formed in the installation part, the screw hole at the joint of the two sections of glass fiber reinforced plastic pipes corresponds to the screw hole in the joint of the two sections of glass fiber reinforced plastic pipes, a bolt penetrates through the screw hole in the bright section of glass fiber reinforced plastic pipe during installation and is fixed by a nut, and after the installation is finished, the joint of the two sections. An air suction opening 610 is arranged on each section of the glass reinforced plastic pipe. The two suction ports 610 are connected to a dust absorption apparatus 100 via a transfer pipe 700. The air suction opening 610 is arranged at the ground inlet end of the glass reinforced plastic pipe, the transmission pipe 700 adopts a flame-retardant hose, and the outer ring side vertical surface of the glass reinforced plastic cover 600 is provided with an observation window 620. The observation window 620 is made of transparent glass, and is connected with the glass fiber reinforced plastic cover 600 in a pressing and locking link mode, so that carbon brush replacement is facilitated, and the consumption condition of the carbon brush is checked through the observation window 620.
It should be noted that the glass fiber reinforced plastic cover 600 is not limited to be formed by assembling 6 sections of glass fiber reinforced plastic pipes, and may also be formed by 4 sections, 5 sections, 7 sections, 8 sections, and the like, and the carbon brush slip ring 630 can be covered in the glass fiber reinforced plastic cover 600. The air suction opening 610 of each section of glass reinforced plastic pipe can also be provided with the corresponding dust absorption device 100 independently, and the two air suction openings 610 are not limited to be connected with one dust absorption device 100 together.
Referring to fig. 7, fig. 7 is a schematic diagram of a control structure of a generator dust processing system according to an embodiment of the present application.
In the embodiment provided herein, the generator dust handling system 10 further comprises a wireless communication module 800 and a remote console 500 disposed on the dust absorption device 100. The remote console 500 establishes communication connection with the dust absorption devices 100 through the wireless communication module 800, and can control the dust absorption devices 100 according to the received control instruction or the data returned by the dust absorption devices, thereby improving the control efficiency and reducing the labor cost. The wireless communication module 800 may be a ZigBee communication module, a WiFi communication module, a bluetooth, or the like.
Illustratively, when the remote console 500 receives that the pressure difference between the inside and the outside of the filter cartridge returned by a certain dust absorption device 100 reaches a preset value, the remote console 500 issues a shutdown instruction to control the corresponding dust absorption device 100 to shutdown for waiting for cleaning and issues a notification message to a maintenance person, so that the maintenance person can clean the filter cartridge in time.
In a possible implementation mode, after receiving the shutdown command of the remote console 500, the dust absorption device 100 is shut down after delaying to work for 5 minutes, so that preparation time is provided for on-site maintenance personnel, timely cleaning is facilitated, and the influence of shutdown operation on a generator set is reduced.
It should be noted that the delay time of the dust absorption device 100 is not limited to the above 5 minutes, and may also be set to 4 minutes, 6 minutes, and the like, and the specific delay time may be set reasonably according to the actual application scenario. Dust absorption apparatus 100 is also provided with an on-site console, and maintenance personnel can control the opening and closing of dust absorption apparatus 100 using control buttons on the on-site console. When the on-site console is used to control the dust absorption device 100, the dust absorption device 100 does not need to set a delay working time, so that the maintenance personnel can clean the dust absorption device 100 in time.
The generator dust processing system 10 is also provided with an alarm prompt under the fault conditions of motor overload, phase loss and the like, and when the fault conditions of the motor, the phase loss and the like are detected, a maintainer is timely informed to overhaul.
In summary, the embodiment of the present application provides a dust absorption device and a generator dust processing system, including a dust chamber; an air inlet pipe orifice arranged on the dust chamber; a fan chamber connected with the dust chamber; an air outlet arranged on the fan chamber; a dust removal mechanism is arranged in the dust removal chamber; a fan is arranged in the fan chamber; the joint of the fan chamber and the dust chamber is provided with an isolation plate; the partition board is provided with a through hole matched with the air inlet of the fan; the air inlet of the fan is hermetically connected with the through hole. When the dust removal operation is carried out, dust in the glass fiber reinforced plastic cover is discharged through the arranged air suction opening, then enters the dust removal chamber of the dust absorption device through the arranged transmission pipe, is treated by the dust removal mechanism, is sucked into the fan and is discharged through the air outlet, and therefore the technical effects of timely cleaning dust generated by equipment and improving the running environment of the equipment are achieved. The fan chamber is isolated from the dust removal chamber by the isolation plate, the fan chamber is built into a closed structure, the influence of dust on electronic components in the fan chamber is reduced, and the service life of the dust absorption device is prolonged.
It should be noted that the above mentioned embodiments are only specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and all the changes or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A dust absorption device is characterized by comprising a dust removing chamber; the air inlet pipe orifice is arranged on the dust chamber; the fan chamber is connected with the dust chamber; an air outlet arranged on the fan chamber; a dust removing mechanism is arranged in the dust removing chamber; a fan is arranged in the fan chamber; a partition plate is arranged at the joint of the fan chamber and the dust removal chamber; the isolating plate is provided with a through hole matched with the air inlet of the fan; the air inlet of the fan is hermetically connected with the through hole; and the dust-containing gas enters the dust removal chamber from the air inlet pipe under the action of the fan, is sucked into the fan after being subjected to dust removal treatment by the dust removal mechanism and is discharged from the air outlet.
2. The dust absorbing device of claim 1, further comprising:
a sound absorbing member disposed within the blower chamber for reducing noise generated by the blower.
3. The dust absorbing device of claim 1, wherein the dust removing mechanism is a filter cartridge, and the filter cartridge is detachably connected to the dust removing chamber.
4. The dust absorbing device of claim 3, further comprising:
and the pressure difference switch is connected with the filter cylinder and used for detecting the pressure difference between the inside and the outside of the filter cylinder, and when the pressure difference between the inside and the outside of the filter cylinder reaches a preset value, the pressure difference switch gives an alarm.
5. The dust absorbing device according to any one of claims 1 to 4, wherein an access door is provided on the clean room, and the access door is rotatably connected to the clean room.
6. The dust absorbing device of claim 1, further comprising:
and the wireless communication module is arranged on the dust absorption device and is used for communicating with a remote control console.
7. A generator dust treatment system is characterized by comprising a glass fiber reinforced plastic cover which is covered on a carbon brush slip ring of a water turbine generator set; the air suction opening is arranged on the glass fiber reinforced plastic cover; the transmission pipe is connected with the air suction port; the dust absorption device is connected with the conveying pipe; and dust generated by the carbon brush slip ring enters the transmission pipe through the air suction opening and enters the dust absorption device through the transmission pipe.
8. The generator dust handling system of claim 7, wherein the fiberglass cover further comprises a viewing window disposed on the fiberglass cover, the viewing window being removably connected to the fiberglass cover.
9. The generator dust handling system of claim 7, wherein the transfer pipe is a flame retardant hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243961.XU CN210993448U (en) | 2019-08-02 | 2019-08-02 | Dust absorption device and generator dust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243961.XU CN210993448U (en) | 2019-08-02 | 2019-08-02 | Dust absorption device and generator dust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210993448U true CN210993448U (en) | 2020-07-14 |
Family
ID=71496931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243961.XU Active CN210993448U (en) | 2019-08-02 | 2019-08-02 | Dust absorption device and generator dust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210993448U (en) |
-
2019
- 2019-08-02 CN CN201921243961.XU patent/CN210993448U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105072875B (en) | A kind of cabinet type computer room | |
| CN210092618U (en) | Switch board with dust proof structure | |
| CN113555797A (en) | Flood post-disaster relief mobile substation with moisture-proof function | |
| CN210993448U (en) | Dust absorption device and generator dust treatment system | |
| CN213783414U (en) | Spherical camera protection mechanism with self-cleaning function | |
| CN212812461U (en) | Visual intelligent monitoring network cabinet | |
| CN219394187U (en) | Take fire control's electric power prefabricated cabin transformer substation | |
| CN116045442A (en) | Ventilation device based on intelligent station house operation monitoring system of Internet of things | |
| CN214314150U (en) | Centrally installed switchgear monitoring device for power distribution | |
| CN114698307B (en) | High-efficient energy-conserving PLC electrical control cabinet | |
| CN213522831U (en) | Dustproof good intelligent control system of radiating effect uses switch board | |
| CN211321227U (en) | Temperature control device in power box | |
| CN210379952U (en) | Electric switch cabinet cooling system | |
| CN214755049U (en) | Low-voltage complete switch equipment capable of effectively reducing power failure of important load | |
| CN207553661U (en) | A kind of well site drilling machine air source room | |
| CN112672555A (en) | Electric appliance cabinet with heat dissipation function | |
| CN217509184U (en) | Based on utility tunnel multichannel management and control RTU equipment | |
| CN220251073U (en) | On-line monitoring and alarming system for environment of electric box | |
| CN213159074U (en) | Dustproof protection device of electrical equipment | |
| CN214460834U (en) | Intelligent integrated pump station with motor bearing monitoring function | |
| CN218644250U (en) | Drilling platform aerodynamic system | |
| CN214090662U (en) | Energy-saving building drainage structure | |
| CN216251766U (en) | Fire protection device of power monitoring equipment | |
| CN117102154B (en) | Energy consumption monitoring device | |
| CN213546819U (en) | Convenient density relay dustproof safety cover who overhauls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 614700 No.1, section 4, Binhe Road, Jinkouhe District, Leshan City, Sichuan Province Patentee after: Guoneng Dadu River Zhentouba Power Generation Co.,Ltd. Address before: 614700 No.1, section 4, Binhe Road, Jinkouhe District, Leshan City, Sichuan Province Patentee before: GUODIAN DADU RIVER ZHENTOUBA POWER GENERATION Co.,Ltd. |