CN115334838A - Intelligent detection device for low-zero-value insulator of ultra-high voltage transmission line - Google Patents
Intelligent detection device for low-zero-value insulator of ultra-high voltage transmission line Download PDFInfo
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- CN115334838A CN115334838A CN202210966525.5A CN202210966525A CN115334838A CN 115334838 A CN115334838 A CN 115334838A CN 202210966525 A CN202210966525 A CN 202210966525A CN 115334838 A CN115334838 A CN 115334838A
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- detection device
- intelligent detection
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- device body
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 239000012212 insulator Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims 2
- 239000000428 dust Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/023—Handles; Grips
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an intelligent detection device for a low-zero-value insulator of an extra-high voltage transmission line, which comprises an intelligent detection device body, a first shell, a second shell, a heat dissipation fan, a diversion fan, a ventilation groove, a protective net, a display screen, a supporting plate, a pressing sheet and a cleaning mechanism, wherein the first shell is fixedly connected to the left side of the top of the intelligent detection device body, the second shell is fixedly connected to the right side of the top of the intelligent detection device body, the heat dissipation fan is fixedly embedded into the left side of the top of the intelligent detection device body and is positioned in the first shell, the diversion fan is fixedly embedded into the right side of the top of the intelligent detection device body and is positioned in the second shell, and the ventilation groove is respectively arranged on the right side of the first shell and on two sides of the second shell. The invention solves the problems that dust is easy to adhere to the surface of a screen when the existing insulation resistance tester is used, the definition of the screen is poor due to long-time non-cleaning, and the heat dissipation effect of the screen is influenced.
Description
Technical Field
The invention relates to the technical field of electric power detection, in particular to an intelligent detection device for a low-zero-value insulator of an ultra-high voltage transmission line.
Background
The zero-value insulator is an insulator piece with a potential difference of zero at two ends of a suspension insulator string in operation, the zero-value insulator in the ultra-high voltage transmission line can use an intelligent detection device when detecting resistance, the intelligent detection device is an insulation resistance tester, dust is easily adhered to the surface of a screen when the existing insulation resistance tester is used, the screen definition is not deteriorated after the test is not cleaned for a long time, and the heat dissipation effect of the screen is also influenced.
Disclosure of Invention
The invention aims to provide an intelligent detection device for a low-zero-value insulator of an ultra-high voltage transmission line, which aims to solve the problems that dust is easy to adhere to the surface of a screen when the existing insulation resistance tester provided in the background technology is used, the definition of the screen is poor and the heat dissipation effect of the screen is influenced after the screen is not cleaned for a long time.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an extra-high voltage transmission line low zero value insulator intellectual detection system device, includes:
intellectual detection system body, first casing, second casing, heat dissipation fan, water conservancy diversion fan, ventilation slot, protection network, display screen, backup pad, preforming and clean mechanism, first casing fixed connection is in the left side at intellectual detection system body top, second casing fixed connection is in the right side at intellectual detection system body top, the fixed embedding of heat dissipation fan is in the left side at intellectual detection system body top and is located the inside of first casing, the fixed embedding of water conservancy diversion fan is in the right side at intellectual detection system body top and is located the inside of second casing, the ventilation slot is seted up respectively in the right side of first casing and the both sides of second casing, protection network fixed connection is in the inside of ventilation slot, display screen fixed mounting is in the top of intellectual detection system body, the backup pad sets up in the top of display screen, the both sides of backup pad all with intellectual detection system body sliding connection, preforming fixed connection is in the both sides of backup pad, clean mechanism sets up in the both sides at backup pad top.
Preferably, the cleaning mechanism comprises a knob, a mounting rod is fixedly connected to the bottom of the knob, a cleaning pad is arranged at the bottom of the supporting plate, mounting blocks are fixedly embedded into two sides of the top of the cleaning pad, and the bottom of the mounting rod penetrates through the mounting block and is in threaded connection with the inner wall of the mounting block.
Preferably, the inside of intellectual detection system body is seted up the sliding tray that the cooperation preforming used, sliding tray and preforming sliding connection.
Preferably, the front side and the rear side of the right side of the first shell are fixedly connected with a flow collecting plate, and the bottom of the flow collecting plate is fixedly connected with the top of the intelligent detection device body.
Preferably, the equal fixedly connected with buckle in both sides at the backup pad back, the draw-in groove that cooperation buckle used is seted up to the intellectual detection system equipment body, the draw-in groove is pegged graft with the buckle and is cooperated.
Preferably, the front side fixedly connected with protection at display screen top fills up, the front and the intelligent detection equipment body fixed connection that the protection was filled up, the hole has been seted up to the inside that the protection was filled up, the quantity of hole is a plurality of, and evenly distributed.
Preferably, the top of the supporting plate is fixedly connected with a handle, and the handle is arranged in an oval shape.
Compared with the prior art, the invention has the beneficial effects that:
by the matching use of the intelligent detection equipment body, the first shell, the second shell, the heat dissipation fan, the flow guide fan, the ventilation groove, the protective net, the display screen, the support plate, the pressing sheet and the cleaning mechanism, the air flow flows through the top of the display screen, dust falling from the outside can be blown away, the dust is prevented from falling on the top of the display screen, the air flow on the top of the display screen can be accelerated, the heat of the display screen is dissipated more quickly, the problems that the screen surface is easy to adhere dust when the existing insulation resistance tester is used, the screen definition is poor due to long-time non-cleaning, and the screen heat dissipation effect is influenced are solved, and by the cleaning mechanism, the support plate and the mounting block are fixed after the mounting rod penetrates through the support plate and enters the mounting block on the top of the cleaning pad, so that the cleaning pad on the bottom of the mounting block is fixed, the knob can be rotated to enable the installation rod to leave the inside of the installation block after the cleaning effect of the cleaning pad is poor, then the cleaning pad is taken out and is reset and installed after being washed, the cleaning capability of the cleaning pad is kept, the sliding groove is arranged to provide space for the movement of the pressing sheet, the pressing sheet is enabled to move more stably and smoothly, the flow collecting plate is arranged, the air flow discharged from the first shell can be collected, the air flow is not guided, the air flow passes through the top of the display screen and is transmitted into the second shell, the buckle and the clamping groove are arranged, the support plate can be positioned through the buckle and the clamping groove when the cleaning pad is not used, the support plate and the cleaning pad are prevented from shaking at the top of the display screen, the protection pad can play a role of collision prevention at the front side of the support plate by arranging the protection pad and the holes, the damage of the support plate and the intelligent detection device body is avoided, and the holes can enhance the buffering effect of the protection pad, through setting up the handle, the person of being convenient for moves the backup pad back-and-forth, improves the convenience that the backup pad used.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a front sectional view of the first and second housings of the invention;
fig. 4 is a partial front sectional view of the support plate of the present invention.
In the figure: 1. intelligently detecting an equipment body; 2. a first housing; 3. a second housing; 4. a heat dissipation fan; 5. a flow guiding fan; 6. a ventilation slot; 7. a protective net; 8. a display screen; 9. a support plate; 10. tabletting; 111. a knob; 112. mounting a rod; 113. a cleaning pad; 114. mounting blocks; 12. a sliding groove; 13. a current collecting plate; 14. buckling; 15. a card slot; 16. a protective pad; 17. a hole; 18. a handle.
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.
As shown in fig. 1 to 4, the intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line provided by the invention comprises an intelligent detection device body 1, a first shell 2, a second shell 3, a heat dissipation fan 4, a diversion fan 5, a ventilation groove 6, a protection net 7, a display screen 8, a support plate 9, a pressing plate 10 and a cleaning mechanism, wherein the first shell 2 is fixedly connected to the left side of the top of the intelligent detection device body 1, the second shell 3 is fixedly connected to the right side of the top of the intelligent detection device body 1, the heat dissipation fan 4 is fixedly embedded into the left side of the top of the intelligent detection device body 1 and is positioned inside the first shell 2, the diversion fan 5 is fixedly embedded into the right side of the top of the intelligent detection device body 1 and is positioned inside the second shell 3, the ventilation grooves 6 are respectively arranged on the right side of the first shell 2 and on the two sides of the second shell 3, the protection net 7 is fixedly connected to the inside of the ventilation groove 6, the display screen 8 is fixedly arranged on the top of the intelligent detection device body 1, the support plate 9 is arranged on the top of the intelligent detection device body 1, the two sides of the support plate 9, the intelligent detection device body 1 is slidably connected to the intelligent detection device body, the two sides of the support plate 10, and the cleaning mechanism is arranged on the two sides of the top of the support plate 9.
Referring to fig. 4, the cleaning mechanism includes a knob 111, a mounting rod 112 is fixedly connected to the bottom of the knob 111, a cleaning pad 113 is disposed at the bottom of the supporting plate 9, mounting blocks 114 are fixedly embedded in both sides of the top of the cleaning pad 113, and the bottom of the mounting rod 112 penetrates through the mounting blocks 114 and is in threaded connection with the inner wall of the mounting blocks 114.
As a technical optimization scheme of the invention, by arranging the cleaning mechanism, the mounting rod 112 penetrates through the supporting plate 9 to enter the mounting block 114 at the top of the cleaning pad 113 and then fixes the supporting plate 9 and the mounting block 114, thereby fixing the cleaning pad 113 at the bottom of the mounting block 114, after the cleaning effect of the cleaning pad 113 is deteriorated, the knob 111 can be rotated to enable the mounting rod 112 to leave the inside of the mounting block 114, and then the cleaning pad 113 is taken out and is reset to be mounted after being washed, so that the cleaning capability of the cleaning pad 113 is maintained.
Referring to fig. 2, a sliding groove 12 used in cooperation with the pressing sheet 10 is formed in the intelligent detection device body 1, and the sliding groove 12 is slidably connected with the pressing sheet 10.
As a technical optimization scheme of the invention, the sliding groove 12 is arranged, and the sliding groove 12 provides a space for the movement of the pressing sheet 10, so that the pressing sheet 10 is more stable and smooth in movement.
Referring to fig. 1, the front side and the rear side of the right side of the first housing 2 are both fixedly connected with a flow collecting plate 13, and the bottom of the flow collecting plate 13 is fixedly connected with the top of the intelligent detection device body 1.
As a technical optimization scheme of the present invention, by providing the flow collecting plate 13, the air flow discharged from the first housing 2 can be collected without guiding the air flow, so that the air flow passes through the top of the display screen 8 and is introduced into the second housing 3.
Referring to fig. 2, the buckles 14 are fixedly connected to two sides of the back of the supporting plate 9, the clamping groove 15 used by the matched buckle 14 is formed in the intelligent detection device body 1, and the clamping groove 15 is in plug-in fit with the buckle 14.
As a technical optimization scheme of the invention, by arranging the buckles 14 and the clamping grooves 15, the supporting plate 9 can be positioned through the buckles 14 and the clamping grooves 15 when the cleaning pad 113 is not used, and the supporting plate 9 and the cleaning pad 113 are prevented from shaking on the top of the display screen 8.
Referring to fig. 2, the front side fixedly connected with protection pad 16 at the top of display screen 8, the front of protection pad 16 and intelligent detection equipment body 1 fixed connection, hole 17 has been seted up to the inside of protection pad 16, and the quantity of hole 17 is a plurality of, and evenly distributed.
As a technical optimization scheme of the invention, by arranging the protection pad 16 and the hole 17, the protection pad 16 can play a role in preventing collision at the front side of the supporting plate 9, the supporting plate 9 is prevented from being collided with the intelligent detection device body and damaged, and the hole 17 can enhance the buffering effect of the protection pad 16.
Referring to fig. 2, a handle 18 is fixedly connected to the top of the supporting plate 9, and the handle 18 is disposed in an oval shape.
As a technical optimization scheme of the invention, the handle 18 is arranged, so that a user can move the supporting plate 9 back and forth conveniently, and the convenience of using the supporting plate 9 is improved.
The working principle is as follows: during the use, heat dissipation fan 4 and water conservancy diversion fan 5 are with the heat suction that the inside operation of intellectual detection system body 1 produced, then discharge into first casing 2 and second casing 3's inside respectively, the inside air current of first casing 2 can be through open slot and gathering the flow plate 13 and remove to the right side afterwards, and sucked inside second casing 3, then discharged through the open slot on second casing 3 right side by water conservancy diversion fan 5, form complete circulation, and the air current flows through from display screen 8 top at this in-process, can blow away the dust that the external world fell, avoid the dust to fall at display screen 8 top, can also accelerate the air flow at display screen 8 top, make the heat effluvium of display screen 8 faster, it leads to the screen when unclear to be stained with the dust at display screen 8 top at last, can clear up the dust of display screen 8 adhesion through clean mechanism, realize dirt-proof advantage and can make intellectual detection system obtain radiating effect simultaneously again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 an extra-high voltage transmission line low zero value insulator intellectual detection system device which characterized in that includes:
the intelligent detection device comprises an intelligent detection device body (1), a first shell (2), a second shell (3), a heat dissipation fan (4), a diversion fan (5), a ventilation groove (6), a protective net (7), a display screen (8), a supporting plate (9), a pressing sheet (10) and a cleaning mechanism, wherein the first shell (2) is fixedly connected to the left side of the top of the intelligent detection device body (1), the second shell (3) is fixedly connected to the right side of the top of the intelligent detection device body (1), the heat dissipation fan (4) is fixedly embedded into the left side of the top of the intelligent detection device body (1) and is positioned inside the first shell (2), the diversion fan (5) is fixedly embedded into the right side of the top of the intelligent detection device body (1) and is positioned inside the second shell (3), the ventilation groove (6) is respectively arranged on the right side of the first shell (2) and on two sides of the second shell (3), the protective net (7) is fixedly connected to the inside of the ventilation groove (6), the display screen (8) is fixedly installed at the top of the intelligent detection device body (1), the supporting plate (9) is connected to the two sides of the intelligent detection device body (9), and the pressing sheet (10) is connected to the supporting plate (9), the cleaning mechanisms are arranged on two sides of the top of the supporting plate (9).
2. The intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line according to claim 1, characterized in that: the cleaning mechanism comprises a knob (111), wherein a mounting rod (112) is fixedly connected to the bottom of the knob (111), a cleaning pad (113) is arranged at the bottom of the supporting plate (9), mounting blocks (114) are fixedly embedded into the two sides of the top of the cleaning pad (113), and the bottom of the mounting rod (112) penetrates through the inside of the mounting blocks (114) and is in threaded connection with the inner wall of the mounting blocks (114).
3. The intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line according to claim 1, characterized in that: the intelligent detection device is characterized in that a sliding groove (12) matched with the pressing sheet (10) for use is formed in the intelligent detection device body (1), and the sliding groove (12) is connected with the pressing sheet (10) in a sliding mode.
4. The intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line according to claim 1, characterized in that: the front side and the rear side on the right side of the first shell (2) are fixedly connected with a current collecting plate (13), and the bottom of the current collecting plate (13) is fixedly connected with the top of the intelligent detection equipment body (1).
5. The intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line according to claim 1, characterized in that: the utility model discloses a smart inspection equipment, including backup pad (9), backup pad (9) the equal fixedly connected with buckle (14) in both sides at the back, draw-in groove (15) that cooperation buckle (14) used are seted up in smart inspection equipment body (1), draw-in groove (15) and buckle (14) cooperation of pegging graft.
6. The intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line according to claim 1, characterized in that: the front side fixedly connected with protection pad (16) at display screen (8) top, the front and the intelligent detection equipment body (1) fixed connection of protection pad (16), hole (17) have been seted up to the inside of protection pad (16), the quantity of hole (17) is a plurality of, and evenly distributed.
7. The intelligent detection device for the low-zero-value insulator of the ultra-high voltage transmission line according to claim 1, characterized in that: the top of the supporting plate (9) is fixedly connected with a handle (18), and the handle (18) is arranged in an oval shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210966525.5A CN115334838A (en) | 2022-08-12 | 2022-08-12 | Intelligent detection device for low-zero-value insulator of ultra-high voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210966525.5A CN115334838A (en) | 2022-08-12 | 2022-08-12 | Intelligent detection device for low-zero-value insulator of ultra-high voltage transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN115334838A true CN115334838A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210966525.5A Pending CN115334838A (en) | 2022-08-12 | 2022-08-12 | Intelligent detection device for low-zero-value insulator of ultra-high voltage transmission line |
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| Country | Link |
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| CN (1) | CN115334838A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211181498U (en) * | 2020-02-23 | 2020-08-04 | 北京祥云门广告有限公司 | Novel L ED display screen |
| CN212624658U (en) * | 2020-08-07 | 2021-02-26 | 泉州市雄伟电子科技有限公司 | Heat dissipation device for outdoor LED display screen |
| CN214589928U (en) * | 2021-02-09 | 2021-11-02 | 南京杰科丰智慧电气自动化有限公司 | Low-voltage power distribution cabinet that heat dissipation was removed dust |
| CN215577433U (en) * | 2021-09-07 | 2022-01-18 | 西安培华学院 | Electronic information display screen with dust keeper |
| CN215774085U (en) * | 2021-09-16 | 2022-02-08 | 青岛中石华控安全技术有限公司 | Intelligent data analysis device for safety quantification of large-scale chemical device |
-
2022
- 2022-08-12 CN CN202210966525.5A patent/CN115334838A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211181498U (en) * | 2020-02-23 | 2020-08-04 | 北京祥云门广告有限公司 | Novel L ED display screen |
| CN212624658U (en) * | 2020-08-07 | 2021-02-26 | 泉州市雄伟电子科技有限公司 | Heat dissipation device for outdoor LED display screen |
| CN214589928U (en) * | 2021-02-09 | 2021-11-02 | 南京杰科丰智慧电气自动化有限公司 | Low-voltage power distribution cabinet that heat dissipation was removed dust |
| CN215577433U (en) * | 2021-09-07 | 2022-01-18 | 西安培华学院 | Electronic information display screen with dust keeper |
| CN215774085U (en) * | 2021-09-16 | 2022-02-08 | 青岛中石华控安全技术有限公司 | Intelligent data analysis device for safety quantification of large-scale chemical device |
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Application publication date: 20221111 |