CN108845236B - High voltage power transmission and transformation engineering corona discharge detection device - Google Patents
High voltage power transmission and transformation engineering corona discharge detection device Download PDFInfo
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- CN108845236B CN108845236B CN201810946024.4A CN201810946024A CN108845236B CN 108845236 B CN108845236 B CN 108845236B CN 201810946024 A CN201810946024 A CN 201810946024A CN 108845236 B CN108845236 B CN 108845236B
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- detection device
- corona discharge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention relates to the technical field of electric power detection, and discloses a corona discharge detection device for a high-voltage power transmission and transformation project. This high voltage power transmission and transformation engineering corona discharge detection device, through the recipient that sets up, the inside sliding connection's of recipient piston rod, thereby realized making the inside cleaning solution of recipient flow in the inside of shower nozzle pipe through the connecting pipe through pressing the piston rod, through the sliding tray of seting up on the installation dead lever, thereby realized that the shower nozzle pipe removes in the sliding tray, and then realized that the shower nozzle pipe removes the top of detecting head and erupts the cleaning solution through the shower nozzle of shower nozzle pipe last intercommunication and clean the shower nozzle, the liquid storage pot that corresponds with the syringe through fixed mounting on the bracing piece, thereby realized providing the cleaning solution in being connected to the recipient through liquid storage pot and syringe, the purpose that high voltage power transmission and transformation engineering corona discharge detection device reached the automatically cleaning has been made things convenient for.
Description
Technical Field
The invention relates to the technical field of electric power detection, in particular to a corona discharge detection device for a high-voltage power transmission and transformation project.
Background
The local self-sustaining discharge of a corona discharge gas medium in a non-uniform electric field, most commonly a gas discharge form, occurs in the vicinity of a sharp electrode with a small radius of curvature, as the local electric field strength exceeds the ionization field strength of the gas, causing ionization and excitation of the gas, and a corona discharge occurs, which is seen bright around the electrode when corona occurs, with the attendant hissing sound, either in a relatively stable discharge form or at an early stage of development during breakdown of the non-uniform electric field gap.
Along with the development of times and science and technology, the technological progress of high voltage transmission and transformation engineering corona discharge detection device has also been promoted simultaneously to the progress of science and technology, but still has the defect, what present high voltage transmission and transformation engineering corona discharge detection dress adopted is that artifical handheld detection device detects, does not have stable protective structure, consequently often causes detection device's damage easily, high voltage transmission and transformation engineering corona discharge detection dress also can't realize the cleanness to the measuring lens simultaneously, so proposed a high voltage transmission and transformation engineering corona discharge detection device and solved this problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-voltage power transmission and transformation project corona discharge detection device which has the advantages of good protection effect, self-cleaning and the like, and solves the problems that the detection device is easily damaged and the detection lens cannot be cleaned by the high-voltage power transmission and transformation project corona discharge detection device because the conventional high-voltage power transmission and transformation project corona discharge detection device is manually held for detection and has no stable protection structure.
(II) technical scheme
In order to achieve the purposes of good protection effect and self-cleaning, the invention provides the following technical scheme: a corona discharge detection device for high-voltage power transmission and transformation engineering comprises a machine body, wherein a display screen is movably mounted on the front surface of the machine body, a rotating rod is fixedly mounted on the right side of the machine body, a toothed bar is fixedly mounted on the left side of the machine body, a toothed cylinder is meshed outside the toothed bar, a supporting rod is fixedly mounted on the left side of the toothed cylinder, a fixing rod is fixedly mounted at the top of the supporting rod, a holding rod is fixedly mounted at the bottom of the fixing rod, a sleeve is fixedly mounted on the left side of the supporting rod, two hollow cylinders which are respectively located below the sleeve are fixedly mounted on the left side of the supporting rod, a first fastening block is fixedly mounted between the two hollow cylinders, sliding grooves are respectively formed in opposite surfaces of the two hollow cylinders, the two sliding grooves are respectively in sliding connection with a second fastening block which is located on the right side of the first, the right side of the supporting rod is fixedly provided with a threaded barrel, the inner thread of the threaded barrel is connected with a threaded fastening rod which penetrates through the supporting rod and is movably connected with an installation shaft, the right side of the supporting rod is fixedly provided with an extrusion barrel which is positioned above the threaded barrel, the inner part of the extrusion barrel is slidably connected with a piston rod which penetrates through and extends to the top of the extrusion barrel, the bottom of the extrusion barrel is communicated with an injection pipe, the outer part of the injection pipe is movably provided with a sleeve pipe, the bottom of the sleeve pipe is communicated with a connecting pipe, the right side of the supporting rod is fixedly provided with a liquid storage tank which corresponds to the injection pipe, the top of the machine body is fixedly provided with a detecting head, the top of the machine body is fixedly provided with an installation fixing rod which is positioned at the left side of the detecting head, the top of the installation fixing, the bottom of the spray head pipe is communicated with a spray head.
Preferably, the inside of installation axle rotates and is connected with the rotor plate, and screw tightening rod passes through rotor plate and installation axle swing joint.
Preferably, the connection mode of the machine body and the display screen is a rotating connection, and the rotating angle of the display screen is ninety degrees.
Preferably, the top and the bottom of the second fastening block are both fixedly provided with a movable block, and the second fastening block is connected with the sliding groove in a sliding manner through the movable block.
Preferably, the opposite surfaces of the first fastening block and the second fastening block are fixedly provided with elastic gaskets.
Preferably, the sleeve and the hollow cylinder are both hollow cylinders with the same diameter, and the diameter of the sleeve is eight centimeters.
Preferably, the connecting pipe is located the rear side of bracing piece, and the top fixed mounting of bracing piece has the fixed lantern ring that is located the connecting pipe outside.
(III) advantageous effects
Compared with the prior art, the invention provides a high-voltage power transmission and transformation project corona discharge detection device, which has the following beneficial effects:
1. the corona discharge detection device for the high-voltage power transmission and transformation project has the advantages that the supporting rod is arranged, the sleeve is fixedly arranged on the supporting rod, so that an arm penetrates through the hollow cylinder fixedly arranged on the supporting rod and the holding rod fixedly arranged on the sleeve holding fixing rod, the screw fastening rod is connected with the screw thread in the screw thread cylinder, the second fastening block is pushed to move in the chute formed in the hollow cylinder by rotating the screw fastening rod, the arm is fixed by the first fastening block and the second fastening block, the integral fixation of the arm and the supporting rod is realized, the toothed bar which is fixedly connected with a machine body and is meshed with the inside of the toothed cylinder is arranged on the toothed cylinder by the gear cylinder fixedly arranged on the supporting rod, the rotation of the machine body is realized, the fixation of the machine body through the supporting rod and the arm is realized, and then realized fixing the organism when detecting, avoided handheld detection device to detect and lead to detection device to drop and damage, made things convenient for and realized that high voltage power transmission and transformation engineering corona discharge detection device reaches the purpose that the protecting effect is good.
2. This high voltage power transmission and transformation engineering corona discharge detection device, through the recipient that sets up, the inside sliding connection's of recipient piston rod, thereby realized making the inside cleaning solution of recipient flow in the inside of shower nozzle pipe through the connecting pipe through pressing the piston rod, through the sliding tray of seting up on the installation dead lever, thereby realized that the shower nozzle pipe removes in the sliding tray, and then realized that the shower nozzle pipe removes the top of detecting head and erupts the cleaning solution through the shower nozzle of shower nozzle pipe last intercommunication and clean the shower nozzle, the liquid storage pot that corresponds with the syringe through fixed mounting on the bracing piece, thereby realized providing the cleaning solution in being connected to the recipient through liquid storage pot and syringe, the purpose that high voltage power transmission and transformation engineering corona discharge detection device reached the automatically cleaning has been made things convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a corona discharge detection device for a high-voltage power transmission and transformation project according to the present invention;
FIG. 2 is a schematic structural diagram of a corona discharge detection device for high voltage power transmission and transformation project according to the present invention;
FIG. 3 is an enlarged view of the portion A in FIG. 1 of the corona discharge detection device for the high voltage power transmission and transformation project according to the present invention;
fig. 4 is an enlarged view of a corona discharge detection device in high voltage power transmission and transformation project shown at B in fig. 2.
In the figure: the device comprises a machine body 1, a display screen 2, a rotating rod 3, a toothed rod 4, a toothed cylinder 5, a supporting rod 6, a fixing rod 7, a holding rod 8, a sleeve 9, a hollow cylinder 10, a first fastening block 11, a sliding groove 12, a second fastening block 13, a mounting shaft 14, a threaded cylinder 15, a threaded fastening rod 16, an extrusion cylinder 17, a piston rod 18, an injection tube 19, a sleeve 20, a connecting tube 21, a liquid storage tank 22, a probe 23, a fixing rod 24, a sliding groove 25, a nozzle tube 26, a hose 27 and a nozzle 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a corona discharge detection device for high voltage power transmission and transformation engineering comprises a machine body 1, a display screen 2 is movably mounted on the front surface of the machine body 1, the machine body 1 is rotatably connected with the display screen 2, the rotation angle of the display screen 2 is ninety degrees, a rotating rod 3 is fixedly mounted on the right side of the machine body 1, a toothed bar 4 is fixedly mounted on the left side of the machine body 1, a toothed cylinder 5 is meshed with the outside of the toothed bar 4, a support bar 6 is fixedly mounted on the left side of the toothed cylinder 5, a fixed bar 7 is fixedly mounted on the top of the support bar 6, a holding bar 8 is fixedly mounted at the bottom of the fixed bar 7, a sleeve 9 is fixedly mounted on the left side of the support bar 6, two hollow cylinders 10 which are positioned below the sleeve 9 are fixedly mounted on the left side of the support bar 6, the sleeve 9 and the hollow cylinders 10 are hollow cylinders with the same diameter and have the diameter of eight, the opposite surfaces of the two hollow cylinders 10 are respectively provided with a sliding groove 12, the two sliding grooves 12 are respectively connected with a second fastening block 13 positioned at the right side of a first fastening block 11 in a sliding manner, the top and the bottom of the second fastening block 13 are respectively fixedly provided with a movable block, the second fastening block 13 is connected with the sliding groove 12 in a sliding manner through the movable block, the opposite surfaces of the first fastening block 11 and the second fastening block 13 are respectively fixedly provided with an elastic gasket, the right side of the second fastening block 13 is fixedly provided with an installation shaft 14, the right side of the support rod 6 is fixedly provided with a threaded cylinder 15, the internal thread of the threaded cylinder 15 is connected with a threaded fastening rod 16 which penetrates through the support rod 6 and is movably connected with the installation shaft 14, the internal rotation of the installation shaft 14 is connected with a rotating plate, the threaded fastening rod 16 is movably connected with the installation shaft 14 through the rotating plate, the right side of the support rod 6 is fixedly provided with a squeezing cylinder 17 positioned above, the top of the extrusion cylinder 17 is provided with an installation connection hole matched with the piston rod 18, the bottom of the piston rod 18 is fixedly provided with a piston, the piston rod 18 is connected with the extrusion cylinder 17 in a sliding manner through the piston, the bottom of the extrusion cylinder 17 is communicated with an injection tube 19, the outside of the injection tube 19 is movably provided with a sleeve tube 20, the bottom of the sleeve tube 20 is communicated with a connection tube 21, the connection tube 21 is positioned at the rear side of the support rod 6, the top of the support rod 6 is fixedly provided with a fixed lantern ring positioned at the outside of the connection tube 21, the right side of the support rod 6 is fixedly provided with a liquid storage tank 22 corresponding to the injection tube 19, the top of the machine body 1 is fixedly provided with a detection head 23, the top of the machine body 1 is fixedly provided with an installation fixing rod 24 positioned at the left side of the detection head 23, the top of the installation, the bottom of the nozzle pipe 26 is communicated with a nozzle 28, the sleeve 9 is fixedly arranged on the support rod 6 through the arranged support rod 6, so that the arm can pass through the hollow cylinder 10 fixedly arranged on the support rod 6 and the holding rod 8 fixedly arranged on the holding rod 7 held by the sleeve 9, the screw fastening rod 16 is in threaded connection with the screw thread cylinder 15, the second fastening block 13 is pushed to move in the chute 12 formed on the hollow cylinder 10 through rotating the screw fastening rod 16, the fixing of the arm by the first fastening block 11 and the second fastening block 13 is realized, the integral fixing of the arm and the support rod 6 is realized, the tooth rod 4 fixedly connected with the machine body 1 is meshed with the inside of the tooth cylinder 5 through the tooth cylinder 5 fixedly arranged on the support rod 6, the rotation of the machine body 1 is realized, the rotation of the rotating rod 1 is realized through rotating the machine body 3, the fixing of the machine body 1 and the arm through the support rod 6 is realized, the fixing of the machine body 1 is realized, and further, the fixing of the machine body 1 during detection is realized, the detection device falling damage caused by the detection of a handheld detection device is avoided, the high-voltage power transmission and transformation project corona discharge detection device is conveniently realized to achieve the purpose of good protection effect, the piston rod 18 is slidably connected with the inside of the extrusion cylinder 17 through the extrusion cylinder 17, so that the cleaning liquid in the extrusion cylinder 17 flows into the nozzle pipe 26 through the connecting pipe 21 by pressing the piston rod 18, the nozzle pipe 26 moves in the sliding groove 25 through the sliding groove 25 formed in the installation fixing rod 24, the cleaning of the nozzle 28 is realized by ejecting the cleaning liquid through the nozzle 28 communicated with the nozzle pipe 26 above the detection head 23 by moving the nozzle pipe 26 to the upper part of the detection head 23, and the liquid storage tank 22 corresponding to the injection pipe 19 is fixedly installed on the supporting rod 6, therefore, the cleaning liquid is supplied into the extrusion container 17 through the connection of the liquid storage tank 22 and the injection pipe 19, and the self-cleaning purpose of the corona discharge detection device in the high-voltage power transmission and transformation project is achieved conveniently.
When the device is used, a user can hold the holding rod 8 by passing an arm through the sleeve 9 and the hollow cylinder 10, rotate the threaded fastening rod 16 to fix the arm and the supporting rod 6, then rotate the rotating rod 3 to align the detection head 23 to a detection position for detection, and finally clean the detection head 23 by pressing the piston rod 18 to pull the spray head 28 to the position above the detection head 23.
In conclusion, the corona discharge detection device for the high-voltage power transmission and transformation project has the advantages that the supporting rod 6 and the sleeve 9 fixedly installed on the supporting rod 6 are arranged, so that the arm can penetrate through the hollow cylinder 10 fixedly installed on the supporting rod 6 and the holding rod 8 fixedly installed on the fixed rod 7 held by the sleeve 9, the screw fastening rod 16 in threaded connection with the screw cylinder 15 is used, the second fastening block 13 is pushed to move in the chute 12 formed in the hollow cylinder 10 by rotating the screw fastening rod 16, the arm is fixed by the first fastening block 11 and the second fastening block 13, the arm and the supporting rod 6 are integrally fixed, the toothed rod 4 fixedly connected with the machine body 1 is meshed with the inside of the toothed cylinder 5 through the toothed cylinder 5 fixedly installed on the supporting rod 6, the machine body 1 is rotated, and the rotation of the machine body 1 is realized by rotating the rotating rod 3, thereby realizing the fixation of the machine body 1 through the support rod 6 and the arm, further realizing the fixation of the machine body 1 during the detection, avoiding the detection device from falling and damaging due to the detection of the handheld detection device, facilitating the realization of the high-voltage power transmission and transformation project corona discharge detection device to achieve the purpose of good protection effect, through the arranged extrusion cylinder 17 and the piston rod 18 in sliding connection inside the extrusion cylinder 17, further realizing that the cleaning solution inside the extrusion cylinder 17 flows into the interior of the nozzle pipe 26 through the connecting pipe 21 by pressing the piston rod 18, and through the sliding groove 25 arranged on the mounting fixing rod 24, further realizing that the nozzle pipe 26 moves in the sliding groove 25, further realizing that the nozzle 28 is ejected to be cleaned by the nozzle 28 communicated with the nozzle pipe 26 when the nozzle pipe 26 moves above the detecting head 23, and through the liquid storage tank 22 fixedly arranged on the support rod 6 and corresponding to the injection pipe 19, thereby realized providing the cleaning solution through liquid storage pot 22 and injection syringe 19 are connected in to recipient 17, made things convenient for and realized that high voltage power transmission and transformation engineering corona discharge detection device reaches the purpose of automatically cleaning, it is artifical handheld detection device to detect to have solved present high voltage power transmission and transformation engineering corona discharge detection dress and adopted, does not have stable protective structure, consequently often causes detection device's damage easily, high voltage power transmission and transformation engineering corona discharge detection dress also can't realize the clear problem to the measuring lens simultaneously.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high voltage transmission and transformation engineering corona discharge detection device, includes organism (1), its characterized in that: the utility model discloses a novel hollow machine tool, including organism (1), the preceding surface movable mounting of organism (1) has display screen (2), the right side fixed mounting of organism (1) has dwang (3), the left side fixed mounting of organism (1) has ratch (4), the outside meshing of ratch (4) has a tooth section of thick bamboo (5), the left side fixed mounting of a tooth section of thick bamboo (5) has bracing piece (6), the top fixed mounting of bracing piece (6) has dead lever (7), the bottom fixed mounting of dead lever (7) has holding rod (8), the left side fixed mounting of bracing piece (6) has sleeve (9), the left side fixed mounting of bracing piece (6) has hollow tube (10) that quantity is two and is located sleeve (9) below, two fixed mounting has first fastening block (11) between hollow tube (10), two spout (12) have all been seted up to the opposite face of hollow tube (10), two all with second fastening block (13) sliding connection that is located first fastening block (11) right side in spout (12), the right side fixed mounting of second fastening block (13) has installation axle (14), the right side fixed mounting of bracing piece (6) has screw thread section of thick bamboo (15), the inside threaded connection of screw thread section of thick bamboo (15) has screw thread fastening rod (16) that runs through bracing piece (6) and with installation axle (14) swing joint, the right side fixed mounting of bracing piece (6) has recipient (17) that is located screw thread section of thick bamboo (15) top, the inside sliding connection of recipient (17) has piston rod (18) that runs through and extend to recipient (17) top, the bottom intercommunication of recipient (17) has injection pipe (19), the outside movable mounting of injection pipe (19) has sleeve pipe (20), the bottom intercommunication of sleeve pipe (20) has connecting pipe (21), the utility model discloses a syringe, including bracing piece (6), liquid storage pot (22) that the right side fixed mounting of bracing piece (6) corresponds with injection pipe (19), the top fixed mounting of organism (1) has detecting head (23), the top fixed mounting of organism (1) has and is located left installation dead lever (24) of detecting head (23), sliding tray (25) have been seted up at the top of installation dead lever (24), sliding tray (25) sliding connection has shower nozzle pipe (26), the left side intercommunication of shower nozzle pipe (26) has hose (27) with connecting pipe (21) intercommunication, the bottom intercommunication of shower nozzle pipe (26) has shower nozzle (28).
2. The corona discharge detection device for the high-voltage power transmission and transformation project of claim 1, wherein: the inside of installation axle (14) rotates and is connected with the rotor plate, and screw tightening rod (16) passes through rotor plate and installation axle (14) swing joint.
3. The corona discharge detection device for the high-voltage power transmission and transformation project of claim 1, wherein: the connection mode of the machine body (1) and the display screen (2) is rotation connection, and the rotation angle of the display screen (2) is ninety degrees.
4. The corona discharge detection device for the high-voltage power transmission and transformation project of claim 1, wherein: the top and the bottom of the second fastening block (13) are both fixedly provided with moving blocks, and the second fastening block (13) is connected with the sliding groove (12) in a sliding mode through the moving blocks.
5. The corona discharge detection device for the high-voltage power transmission and transformation project of claim 1, wherein: and elastic gaskets are fixedly arranged on the opposite surfaces of the first fastening block (11) and the second fastening block (13).
6. The corona discharge detection device for the high-voltage power transmission and transformation project of claim 1, wherein: the sleeve (9) and the hollow cylinder (10) are both hollow cylinders with the same diameter, and the diameter of the hollow cylinders is eight centimeters.
7. The corona discharge detection device for the high-voltage power transmission and transformation project of claim 1, wherein: the connecting pipe (21) is located at the rear side of the supporting rod (6), and a fixed lantern ring located outside the connecting pipe (21) is fixedly installed at the top of the supporting rod (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810946024.4A CN108845236B (en) | 2018-08-20 | 2018-08-20 | High voltage power transmission and transformation engineering corona discharge detection device |
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| CN201810946024.4A CN108845236B (en) | 2018-08-20 | 2018-08-20 | High voltage power transmission and transformation engineering corona discharge detection device |
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| CN108845236A CN108845236A (en) | 2018-11-20 |
| CN108845236B true CN108845236B (en) | 2020-06-30 |
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| CN110193962B (en) * | 2019-05-31 | 2024-04-02 | 浙江环稠机械设备制造有限公司 | Corona treatment equipment for surface of syringe barrel |
| CN117329423B (en) * | 2023-11-21 | 2024-01-26 | 国网辽宁省电力有限公司 | Corona discharge detection device for high-voltage power transmission and transformation project |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0334424A (en) * | 1989-06-30 | 1991-02-14 | Hoya Corp | Washing equipment |
| CN101028624A (en) * | 2006-02-28 | 2007-09-05 | 富士通株式会社 | Cleaning apparatus, cleaning method and product manufacturing method |
| CN201064785Y (en) * | 2007-07-19 | 2008-05-28 | 庄添财 | Liquid crystal screen cleaning equipment |
-
2018
- 2018-08-20 CN CN201810946024.4A patent/CN108845236B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0334424A (en) * | 1989-06-30 | 1991-02-14 | Hoya Corp | Washing equipment |
| CN101028624A (en) * | 2006-02-28 | 2007-09-05 | 富士通株式会社 | Cleaning apparatus, cleaning method and product manufacturing method |
| CN201064785Y (en) * | 2007-07-19 | 2008-05-28 | 庄添财 | Liquid crystal screen cleaning equipment |
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| CN108845236A (en) | 2018-11-20 |
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