CN211990048U - Intelligent cleaning system for accumulated powder of cable bridge - Google Patents
Intelligent cleaning system for accumulated powder of cable bridge Download PDFInfo
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- CN211990048U CN211990048U CN202020582270.9U CN202020582270U CN211990048U CN 211990048 U CN211990048 U CN 211990048U CN 202020582270 U CN202020582270 U CN 202020582270U CN 211990048 U CN211990048 U CN 211990048U
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- cable bridge
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- 239000000843 powder Substances 0.000 title claims abstract description 69
- 238000004140 cleaning Methods 0.000 title claims description 15
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 28
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000010926 purge Methods 0.000 claims description 36
- 238000003860 storage Methods 0.000 claims description 14
- 238000009825 accumulation Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 abstract description 31
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000002269 spontaneous effect Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a cable testing bridge accumulated powder intelligence clearance system, including accumulated powder detection module, the CPU module, IO input/output module etc, accumulated powder detection module is used for the on-the-spot accumulated powder condition of real-time supervision, cable testing bridge top is equipped with the compressed air shower nozzle that is used for spouting compressed air in order to sweep the accumulated dust accumulated powder on the cable testing bridge, the compressed air shower nozzle side is provided with the direction fan, the direction fan is used for blowing the dust of raising off from the cable testing bridge, direction fan electricity connection direction fan control module, accumulated powder detection module, compressed air pressure detection module, IO input/output module, the CPU module is connected to the communication module electricity respectively, the communication module electricity connects upper computer, IO input/output module's output electricity respectively connects sweeps solenoid valve control module, direction fan control module; the utility model discloses alleviate production site cable testing bridge deposition ash deposition powder problem, reduced maintainer's work load, reduced the risk of cable testing bridge deposition powder spontaneous combustion.
Description
[ technical field ]
The utility model belongs to the technical field of the long-pending whitewashed clearance technique of deposition and specifically relates to a cable testing bridge long-pending whitewashed intelligence clearance system.
[ background art ]
A large number of cable bridges are arranged in a steam turbine workshop, a boiler workshop and a coal conveying workshop of a production field of a thermal power plant, and a certain amount of dust can be generated in the running process of a unit. The dust in the boiler workshop and the fuel workshop contains coal dust components, and if the dust is not cleaned in time, the dust can be accumulated at each place of a production field. Especially, the power cable and the control cable on the cable bridge frame can generate heat in work, the pulverized coal gathered at the cable bridge frame is easy to generate spontaneous combustion, the cable on the cable bridge frame can be damaged, and even fire and explosion accidents can be caused in serious conditions. Moreover, the cable bridge is higher in position in the production field, and suitable walkways or scaffolds are few around the cable bridge, which brings great difficulty and safety risk to the maintenance personnel to clean the cable bridge regularly.
[ contents of utility model ]
The utility model aims at solving foretell not enough and provide a cable testing bridge deposition intelligence clearance system, alleviateed the production site cable testing bridge deposition powder problem, reduced maintainer's work load, reduced the risk of cable testing bridge deposition powder spontaneous combustion, provide the powerful guarantee for the operation safety of cable testing bridge.
The intelligent cleaning system for the accumulated powder of the cable bridge comprises an accumulated powder detection module 1, a compressed air pressure detection module 2, a CPU module 3, an I/O input/output module 4, a communication module 5, an upper computer 6, a purging solenoid valve control module 7, a guide fan control module 8 and a power module 11, wherein the accumulated powder detection module 1 is arranged on the cable bridge, the accumulated powder detection module 1 is used for monitoring the situation of the accumulated powder on site in real time, a compressed air nozzle is arranged above the cable bridge and used for ejecting compressed air to purge the accumulated dust and the accumulated powder on the cable bridge, a guide fan is arranged on the side surface of the compressed air nozzle and used for blowing the lifted dust away from the cable bridge, and the compressed air nozzle is respectively and electrically connected with the compressed air pressure detection module 2, Purge solenoid valve control module 7, direction fan control module 8 is connected to the direction fan electricity, long-pending whitewashed detection module 1, compressed air pressure detection module 2, IO input output module 4, communication module 5 electricity connection CPU module 3 respectively, communication module 5 electricity connection upper computer 6, the output of IO input output module 4 electricity connection respectively sweeps solenoid valve control module 7, direction fan control module 8, long-pending whitewashed detection module 1, compressed air pressure detection module 2, CPU module 3, IO input output module 4, communication module 5, upper computer 6, sweep solenoid valve control module 7, direction fan control module 8 and connect power module 11 respectively to provide the power by power module 11.
Further, a manual starting module 10 is further arranged, the manual starting module 10 is electrically connected with the input end of the I/O input/output module 4, and the manual starting module 10 is used for enabling field personnel to manually start the purging electromagnetic valve 12 and the guide fan 13.
Furthermore, an audible and visual alarm module 9 is further arranged, wherein the audible and visual alarm module 9 is electrically connected with the output end of the I/O input/output module 4 and provides power through a power module 11.
Further, the compressed air pressure detection module 2 employs a pressure sensor, and the pressure sensor is used for converting the pressure in the compressed air cylinder 14 into an electric signal and providing the electric signal to the CPU module 3 for measurement.
Further, the communication module 5 is in communication connection with the upper computer 6 by adopting an RS485 communication interface.
Further, the accumulated powder detection module 1 comprises an LED luminous body 15, a photosensitive sensor 16, a signal amplifier and an A/D converter, visible light emitted by the LED luminous body 15 penetrates through a detection surface to irradiate the photosensitive sensor 16, the signal amplifier and the A/D converter are electrically connected in sequence, the A/D converter is connected with the CPU module 3, and the photosensitive sensor 16 receives a transmitted light intensity signal and then sends the transmitted light intensity signal to the CPU module 3 for measurement through signal amplification and A/D conversion.
Further, the purge solenoid valve control module 7 comprises a purge solenoid valve 12, the purge solenoid valve 12 is connected with a compressed air nozzle through a pipeline, a filter screen 17 is arranged between the purge solenoid valve 12 and the compressed air nozzle, and the other end of the purge solenoid valve 12 is connected with a compressed air storage cylinder 14.
Furthermore, the compressed air nozzles adopt bamboo joint pipe nozzle groups, at least two groups of compressed air nozzles are arranged, and the at least two groups of compressed air nozzles are arranged in parallel.
Further, a pressure transmitter 18 is arranged on the compressed air storage cylinder 14, an air inlet, an air outlet and a sewage discharge outlet are formed in the compressed air storage cylinder 14, and the air inlet, the air outlet and the sewage discharge outlet are respectively connected with an air inlet valve 19, an air outlet valve 20 and a sewage discharge valve 21.
Compared with the prior art, the utility model, have following advantage:
(1) the utility model can be flexibly arranged according to the actual situation on site, more spray heads can be properly arranged in areas with serious dust deposition, and the spray heads can be flexibly arranged at corners, under shelters and the like according to the actual situation, thereby ensuring no dead angle;
(2) the utility model has simple structure, little workload of field inspection, no need of erecting scaffolds on the field, no problems of high-altitude operation and the like;
(3) the utility model can monitor the data sent back by the on-site powder deposition (dust deposition) detection module in real time through the upper computer, and can install a plurality of powder deposition (dust deposition) detection modules on site, thereby being convenient for analyzing the conditions of on-site dust deposition and dust deposition, and further being capable of flexibly increasing the purging times according to the actual conditions of the dust deposition on site;
(4) the arrangement of the guide fan of the utility model enables the dust blown and raised by blowing to be blown away in the preset direction, thereby preventing the dust from falling back to the original place;
(5) the utility model can make up the deficiency of the automatic device by arranging the manual starting device, and is convenient for manually purging the designated area;
to sum up, the utility model discloses to a great extent has alleviateed production site cable testing bridge deposition powder problem, has reduced maintainer's work load, has reduced the risk of cable testing bridge deposition powder spontaneous combustion, provides the powerful guarantee for the operation safety of cable testing bridge, the work degree of difficulty that exists when having avoided traditional artifical clearance cable testing bridge deposition, deposition powder is big, dangerous high, need set up the scaffold frame, the clearance is not thorough, work easily leaves the dead angle, cause a series of problems such as dust "home removal" easily, be worth popularizing and applying.
[ description of the drawings ]
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic view of the powder deposition (ash deposition) detection principle of the present invention;
FIG. 3 is a schematic view of a compressed air system according to the present invention;
in the figure: 1. the device comprises a powder accumulation detection module 2, a compressed air pressure detection module 3, a CPU module 4, an I/O input/output module 5, a communication module 6, an upper computer 7, a purging electromagnetic valve control module 8, a guide fan control module 9, an audible and visual alarm module 10, a manual starting module 11, a power supply module 12, a purging electromagnetic valve 13, a guide fan 14, a compressed air storage cylinder 15, an LED luminous body 16, a photosensitive sensor 17, a filter screen 18, a pressure transmitter 19, an air inlet valve 20, an air outlet valve 21 and a blow-down valve.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawing, the utility model provides a cable testing bridge accumulated powder intelligence clearance system, including accumulated powder detection module 1, compressed air pressure detection module 2, CPU module 3, IO input/output module 4, communication module 5, upper computer 6, sweep solenoid valve control module 7, direction fan control module 8, audible and visual alarm module 9, manual start module 10, power module 11, accumulated powder detection module 1 sets up on the cable testing bridge, accumulated powder detection module 1 is used for the on-the-spot accumulated powder condition of real-time supervision, cable testing bridge top is equipped with the compressed air shower nozzle, the compressed air shower nozzle is used for spouting compressed air in order to sweep deposition, accumulated powder on the cable testing bridge, the compressed air shower nozzle side is provided with the direction fan, the direction fan is used for blowing the raised dust off the cable testing bridge, the compressed air shower nozzle is connected compressed air pressure detection module 2 respectively electricity, A blowing electromagnetic valve control module 7, a guiding fan electrically connected with the guiding fan control module 8, a powder accumulation detection module 1, a compressed air pressure detection module 2, an I/O input/output module 4, a communication module 5 electrically connected with the CPU module 3, the communication module 5 electrically connected with an upper computer 6, a manual start module 10 electrically connected with the input end of the I/O input/output module 4, the manual start module 10 used for on-site personnel to manually start a blowing electromagnetic valve 12 and a guiding fan 13, the output end of the I/O input/output module 4 is electrically connected with the blowing electromagnetic valve control module 7, the guiding fan control module 8, an audible and visual alarm module 9, the powder accumulation detection module 1, the compressed air pressure detection module 2, the CPU module 3, the I/O input/output module 4, the communication module 5, the upper computer 6, the blowing electromagnetic valve control module 7, The guiding fan control module 8 and the sound and light alarm module 9 are respectively connected with the power supply module 11, and the power supply module 11 provides power supply.
The compressed air pressure detection module 2 adopts a pressure sensor, and the pressure sensor is used for converting the pressure in the compressed air storage cylinder 14 into an electric signal and supplying the electric signal to the CPU module 3 for measurement; the communication module 5 is in communication connection with the upper computer 6 by adopting an RS485 communication interface. The accumulated powder detection module 1 comprises an LED luminous body 15, a photosensitive sensor 16, a signal amplifier and an A/D converter, visible light emitted by the LED luminous body 15 penetrates through a detection surface and is emitted to the photosensitive sensor 16, the signal amplifier and the A/D converter are sequentially and electrically connected, the A/D converter is connected with the CPU module 3, and the photosensitive sensor 16 receives a transmitted light intensity signal and then sends the transmitted light intensity signal to the CPU module 3 for measurement through signal amplification and A/D conversion. The purging solenoid valve control module 7 comprises a purging solenoid valve 12, the purging solenoid valve 12 is connected with a compressed air nozzle through a pipeline, a filter screen 17 is arranged between the purging solenoid valve 12 and the compressed air nozzle, the other end of the purging solenoid valve 12 is connected with a compressed air storage cylinder 14, the compressed air nozzle adopts a bamboo joint pipe nozzle group, the compressed air nozzle is provided with at least two groups, at least two groups of compressed air nozzles are arranged in parallel, a pressure transmitter 18 is arranged on the compressed air storage cylinder 14, an air inlet and an air outlet are formed in the compressed air storage cylinder 14, the air inlet, the air outlet and a sewage draining outlet are formed in the compressed air storage cylinder, the air inlet valve 19 is connected with the.
The utility model discloses a set up the compressed air shower nozzle in cable testing bridge top, utilize spun compressed air in the shower nozzle, sweep deposition, deposition on the cable testing bridge, for the phenomenon that prevents the raise dust fall back the dust "original place and move home" that causes, in the suitable position of shower nozzle side, set up the direction fan, blow off the dust that will raise to the region beyond the crane span structure according to certain direction. And, for realizing the automatic function that sweeps of on-the-spot long-pending powder, the utility model discloses set up long-pending powder detection module on the cable testing bridge, the on-the-spot long-pending powder condition of this module real-time supervision is according to how much judgement start the procedure of sweeping of long-pending powder, when CPU judges that long-pending powder exceeds certain threshold value, then judges that the dust is piled up seriously, starts the procedure of sweeping and opens solenoid valve and direction fan, compressed air from the nozzle blowout, sweeps the long-pending powder on the cable testing bridge, the direction fan then blows away the cable testing bridge according to the dust of setting for good direction will raising.
The intelligent cleaning system for the accumulated powder of the cable bridge mainly comprises a powder accumulation (ash accumulation) detection module, a compressed air pressure detection module, a CPU module, an I/O (input/output) module, a purging solenoid valve control module, a guide fan control module, a production site acousto-optic alarm module, a manual starting module, a communication module, an upper computer, a power supply module and the like, and the functions of all the components are as follows:
powder (ash) accumulation detection module: the working principle of the module is that the LED luminous body emits visible light, the visible light penetrates through the detection surface and is emitted to the photoresistor, the photoresistor receives a transmission light intensity signal, and the signal is amplified and A/D converted and then sent to the CPU module for measurement; when the powder accumulation on the detection surface affects the light transmission intensity, the light intensity received by the photoresistor is weakened, and after signal amplification and A/D conversion, the CPU measures that the electric signal of the photoresistor changes correspondingly, so that the coal powder accumulation degree (actually, the degree that visible light is shielded) of the detection surface is judged. For real-time supervision powder deposition degree, this module is inside to be set up from cleaning device, through using clean compressed air, blows clean the detection face, makes this module get into next detection cycle.
Compressed air pressure detection module: the pressure sensor is adopted to convert the pressure in the compressed air storage cylinder into an electric signal and provide the electric signal to the CPU module for measurement so as to ensure that the pressure of the compressed air is in a proper range during purging.
CPU module, I/O input/output module: the part is a core control part of the device, monitors the powder deposition degree measured by the powder deposition (ash deposition) detection module in real time, compares the powder deposition degree with a set value, judges and makes a decision whether to start automatic blowing or not. After the automatic purging program is started, the CPU module sequentially opens the purging electromagnetic valve and the guide fan combination according to a set sequence, and sequential purging of the whole cable bridge is achieved. After each group of electromagnetic valves and the guide fan are started for a certain time, the next group of electromagnetic valves and the guide fan are switched to work in a combined mode, after the last group of electromagnetic valves and the guide fan work in a combined mode, the CPU module carries out self-cleaning operation on the powder deposition (dust deposition) detection module, blows off a detection surface and enters the next detection period. The CPU module also measures the pressure of the compressed air in real time, and locks the purging program when the pressure of the compressed air is higher or lower, so that the nozzle and the cable are damaged to a certain extent when the pressure of the compressed air is higher, and the purging effect is poor when the pressure of the compressed air is lower. The CPU module is also responsible for tasks such as setting a fixed value, storing the fixed value, recording an action event, carrying out man-machine communication, outputting and confirming an alarm signal and the like.
Fourthly, the communication module and the upper computer: the utility model discloses adapt to site environment needs, adopt RS485 communication interface and upper computer communication, be used for realizing analog quantity/switching value real-time status transmission, measured data's host computer demonstration, definite value settlement and look over, the distant place opens and stops functions such as the limit stop.
Purge solenoid valve control module, direction fan control module: the compressed air passes through the bamboo joint pipe nozzle by opening the electromagnetic valve under the control of the CPU module, and the guide fan is started to blow away the raised dust by the guide wind, so that the dust blowing and scattering functions are realized.
Sixth, the sound and light alarm module: when the action information of the device is informed to field personnel in the modes of sound, photon cards and the like, the field personnel is reminded to avoid the action information during purging, and cleaning personnel is reminded to clean the ground after purging is finished.
The manual starting module: the module is arranged at a position which is convenient for personnel to operate and is close to a field cable bridge, and a maintainer can start a field electromagnetic valve and a guide fan through a manual starting button so as to conveniently purge a designated place, and the function is the compensation and expansion of an automatic starting function.
Eighthly, the power supply module: to the utility model provides a +24V, +5V power.
To sum up, the utility model discloses a cable testing bridge accumulated powder intelligence clearance system's use has realized the automatic intelligent deashing of thermal power plant's cable testing bridge, and the work load of maintainer that has significantly reduced has avoided the aerial work risk, has promoted on-the-spot civilized production level, has guaranteed the operation safety of cable testing bridge.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a cable testing bridge accumulated powder intelligence clearance system, includes accumulated powder detection module (1), compressed air pressure detection module (2), CPU module (3), IO input/output module (4), communication module (5), upper computer (6), sweeps solenoid valve control module (7), direction fan control module (8), power module (11), its characterized in that: the powder accumulation detection module (1) is arranged on a cable bridge, the powder accumulation detection module (1) is used for monitoring the on-site powder accumulation condition in real time, a compressed air nozzle is arranged above the cable bridge and used for spraying compressed air to sweep dust and powder accumulation on the cable bridge, a guide fan is arranged on the side face of the compressed air nozzle and used for blowing raised dust away from the cable bridge, the compressed air nozzle is respectively and electrically connected with the compressed air pressure detection module (2) and the sweeping electromagnetic valve control module (7), the guide fan is electrically connected with the guide fan control module (8), the powder accumulation detection module (1), the compressed air pressure detection module (2), the I/O input and output module (4) and the communication module (5) are respectively and electrically connected with the CPU module (3), and the communication module (5) is electrically connected with the potential connection computer (6), the output end of the I/O input/output module (4) is respectively and electrically connected with the purging electromagnetic valve control module (7) and the guiding fan control module (8), the accumulated powder detection module (1), the compressed air pressure detection module (2), the CPU module (3), the I/O input/output module (4), the communication module (5), the upper computer (6), the purging electromagnetic valve control module (7) and the guiding fan control module (8) are respectively connected with the power supply module (11), and power is provided by the power supply module (11).
2. The intelligent cleaning system for the accumulated powder of the cable bridge frame of claim 1, wherein: the automatic purging device is characterized by further comprising a manual starting module (10), wherein the manual starting module (10) is electrically connected with the input end of the I/O input/output module (4), and the manual starting module (10) is used for supplying field personnel to manually start the purging electromagnetic valve (12) and the guide fan (13).
3. The intelligent cleaning system for the accumulated powder of the cable bridge frame of claim 1, wherein: the power supply is characterized by further comprising an acousto-optic alarm module (9), wherein the acousto-optic alarm module (9) is electrically connected with the output end of the I/O input/output module (4) and provides power through a power module (11).
4. The intelligent cleaning system for the powder accumulated on the cable bridge frame of claim 1, 2 or 3, wherein: the compressed air pressure detection module (2) adopts a pressure sensor, and the pressure sensor is used for converting the pressure in the compressed air storage cylinder (14) into an electric signal and supplying the electric signal to the CPU module (3) for measurement.
5. The intelligent cleaning system for cable bridge accumulated powder of claim 4, wherein: and the communication module (5) is in communication connection with the upper computer (6) by adopting an RS485 communication interface.
6. The intelligent cleaning system for cable bridge accumulated powder of claim 4, wherein: the accumulated powder detection module (1) comprises an LED luminous body (15), a photosensitive sensor (16), a signal amplifier and an A/D converter, visible light emitted by the LED luminous body (15) penetrates through a detection surface to irradiate the photosensitive sensor (16), the signal amplifier and the A/D converter are electrically connected in sequence, the A/D converter is connected with a CPU module (3), and the photosensitive sensor (16) receives a transmission light intensity signal and then sends the signal to the CPU module (3) for measurement through signal amplification and A/D conversion.
7. The intelligent cleaning system for cable bridge accumulated powder of claim 6, wherein: the purging solenoid valve control module (7) comprises a purging solenoid valve (12), the purging solenoid valve (12) is connected with a compressed air spray head through a pipeline, a filter screen (17) is arranged between the purging solenoid valve (12) and the compressed air spray head, and the other end of the purging solenoid valve (12) is connected with a compressed air storage cylinder (14).
8. The intelligent cleaning system for cable bridge accumulated powder of claim 7, wherein: the compressed air spray heads adopt bamboo joint pipe spray head groups, at least two groups of compressed air spray heads are arranged, and the at least two groups of compressed air spray heads are arranged in parallel.
9. The intelligent cleaning system for cable bridge accumulated powder of claim 7, wherein: the compressed air storage cylinder (14) is provided with a pressure transmitter (18), the compressed air storage cylinder (14) is provided with an air inlet, an air outlet and a sewage draining port, and the air inlet, the air outlet and the sewage draining port are respectively connected with an air inlet valve (19), an air outlet valve (20) and a sewage draining valve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020582270.9U CN211990048U (en) | 2020-04-19 | 2020-04-19 | Intelligent cleaning system for accumulated powder of cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020582270.9U CN211990048U (en) | 2020-04-19 | 2020-04-19 | Intelligent cleaning system for accumulated powder of cable bridge |
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| Publication Number | Publication Date |
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| CN211990048U true CN211990048U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020582270.9U Withdrawn - After Issue CN211990048U (en) | 2020-04-19 | 2020-04-19 | Intelligent cleaning system for accumulated powder of cable bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202716A1 (en) * | 2022-04-22 | 2023-10-26 | 华能罗源发电有限责任公司 | Control apparatus for preventing spontaneous combustion of accumulated powder in vertical cable shaft |
-
2020
- 2020-04-19 CN CN202020582270.9U patent/CN211990048U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202716A1 (en) * | 2022-04-22 | 2023-10-26 | 华能罗源发电有限责任公司 | Control apparatus for preventing spontaneous combustion of accumulated powder in vertical cable shaft |
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