CN111599287A - Dustproof self-radiating liquid crystal display for outdoor advertising - Google Patents
Dustproof self-radiating liquid crystal display for outdoor advertising Download PDFInfo
- Publication number
- CN111599287A CN111599287A CN202010526410.5A CN202010526410A CN111599287A CN 111599287 A CN111599287 A CN 111599287A CN 202010526410 A CN202010526410 A CN 202010526410A CN 111599287 A CN111599287 A CN 111599287A
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- Prior art keywords
- liquid crystal
- crystal screen
- fixed plate
- electromagnet
- fixedly connected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 47
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000005291 magnetic effect Effects 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- B08B1/165—
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- B08B1/30—
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
Abstract
The invention discloses an anti-dust self-radiating liquid crystal screen for outdoor advertisements, which comprises a base, a fixed plate and a liquid crystal screen embedded in the fixed plate, wherein the fixed plate is provided with square boxes at two sides of the liquid crystal screen respectively, an air bag is fixedly connected in each square box, the bottom of each air bag is fixedly connected with a movable block, each movable block is connected to the inner wall of each square box in a sliding manner, an air flow channel is arranged in each movable block and communicated with the air bag, each movable block is abutted against an electromagnet fixed at the bottom of the square box, a sliding cavity is arranged below the liquid crystal screen on the fixed plate, two sides of the sliding cavity are electrically connected with a conductive plate respectively, and the two conductive plates form a parallel plate capacitor. Has the advantages that: the piezoelectric ceramic plate is used for periodically charging and discharging the parallel plate capacitor under the action of external wind energy and sound energy, so that the moving block moves upwards to clean the surface of the liquid crystal screen when the electromagnet is electrified, and the self-dedusting effect is realized.
Description
Technical Field
The invention relates to the technical field of liquid crystal screens, in particular to an anti-dust self-radiating liquid crystal screen for outdoor advertisements.
Background
The liquid crystal screen uses liquid crystal material as basic component, the liquid crystal material is filled between two parallel plates, the arrangement state of internal molecules of the liquid crystal material is changed by voltage, so as to achieve the purpose of shading and transmitting light to display images with different depths and different faults, and the color image can be displayed only by adding a filter layer with three-component colors between two flat plates. The lcd panel has low power consumption, and is therefore popular with engineers and suitable for electronic devices using batteries.
The outdoor liquid crystal screen is generally used for roadside advertisements and has the characteristic of all-weather work, on one hand, dust can be attached to the outdoor liquid crystal screen after the outdoor liquid crystal screen is used for a long time due to wind power and air quality during outdoor work, so that watching is influenced, on the other hand, the ambient temperature can be influenced by the fact that the ambient temperature of the outdoor liquid crystal screen is high in hot weather, and the probability of pedestrian standing watching is reduced.
Disclosure of Invention
The invention aims to solve the problem that the outdoor liquid crystal display which works for a long time is easy to have dust adhesion and influence the watching in the prior art, and provides a dust-proof self-radiating liquid crystal display for outdoor advertisements.
In order to achieve the purpose, the invention adopts the following technical scheme: an anti-dust self-radiating liquid crystal screen for outdoor advertisements comprises a base, a fixed plate and a liquid crystal screen embedded in the fixed plate, wherein the fixed plate is provided with square boxes at two sides of the liquid crystal screen respectively, an air bag is fixedly connected in each square box, the bottom of each air bag is fixedly connected with a moving block, each moving block is connected to the inner wall of each square box in a sliding manner, an air flow channel is arranged in each moving block and is communicated with the air bag, and each moving block is abutted against an electromagnet fixed at the bottom of each square box;
the fixed plate is positioned below the liquid crystal screen and is provided with a sliding cavity, two sides of the sliding cavity are respectively and electrically connected with a conductive plate, the two conductive plates form a parallel plate capacitor, each conductive plate is provided with an electromagnet corresponding to one side and is electrically connected with the electromagnet, the two moving blocks are commonly connected with a rubber strip, the rubber strip is attached to the surface of the liquid crystal screen, and one end of each moving block, which is close to the electromagnet, is connected with a magnetic layer with the same polarity as that of the electromagnet;
the utility model discloses a seal device, including fixed plate, liquid chamber, water, rated water pressure is applyed in the bottom fixedly connected with inlet tube and the inlet tube in the liquid chamber, the sealing ring has been cup jointed outward to the inlet tube, the sealing ring below is equipped with the evaporation liquid that the boiling point is 60 ℃, the top part fixedly connected with atomizing disk in the liquid chamber.
In above-mentioned outdoor dustproof is from radiating LCD screen, the top fixedly connected with weather enclosure of fixed plate, the inner wall of weather enclosure passes through spring fixedly connected with piezoceramics piece, the both ends of piezoceramics piece are connected with two current conducting plate electricity respectively.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the rainproof effect is realized through the arranged rainproof shed, and meanwhile, the piezoelectric ceramic piece connected with the spring is arranged in the rainproof shed, and due to the structural characteristics of the rainproof shed, the piezoelectric ceramic piece is easy to shake under the action of wind power, so that the piezoelectric ceramic piece is subjected to the action of wind pressure irregularly in an outdoor setting state, and the piezoelectric ceramic piece is vibrated by sound waves generated by roadside noise, so that current is generated, and an energy source in the invention is formed;
2. when external wind is strong, the floating dust on the ground is easily blown to the surface of the liquid crystal screen to cause pollution and influence the viewing, at the moment, the piezoelectric ceramic piece charges the connected parallel plate capacitor for many times under the action of wind power, so that the two ends of the parallel plate capacitor have high charges, and the piezoelectric ceramic piece has the characteristics of large voltage and small current when generating current, so that the maximum voltage of the piezoelectric ceramic piece is exceeded after the charging process of the parallel plate capacitor to generate breakdown, the two conductive plates are instantly discharged, and the connection between the two conductive plates and the electromagnet is conducted;
3. when the piezoelectric ceramic plate is normally charged, the current carried by the electromagnet is small, namely the electromagnet is disconnected, the magnetism carried by the moving block attracts the electromagnet to enable the electromagnet to be located at the lowest position, and when the electromagnet is discharged, the electromagnet carries magnetic force opposite to the same pole of the moving block due to the fact that the instantaneous current is large, and the moving block is pushed to move upwards instantly;
4. when the moving block moves upwards, on one hand, the air bag is squeezed to enable air in the air bag to horizontally flow out through the air flow channel, so that the air flow speed on the surface of the liquid crystal screen is increased, dust attached to the liquid crystal screen tends to be separated under the action of the Bernoulli principle, and on the other hand, the rubber strip fixed by the moving block slides against the liquid crystal screen in the upward movement process to achieve the cleaning effect, so that the good cleaning effect on the liquid crystal screen is achieved, and the dust is prevented from being attached;
5. when the parallel plate capacitor moves to the upper part and discharge of the parallel plate capacitor is completed, the current of the electromagnet is disconnected, the electromagnet is restored to be in an uncharged ferromagnetic state, at the moment, under the action of the gravity of the moving block and the attraction of the moving block to the electromagnet, the moving block moves downwards and simultaneously attracts water in a partial water cavity to enter the moving block, so that the rubber strip is wetted by partial water, the dust attached to the rubber strip is subjected to wet treatment, and the phenomenon that the rubber strip is dirty by the dust and loses the cleaning effect after multiple times of cleaning is avoided;
6. when the temperature of the liquid crystal screen is higher, the temperature of the water in the liquid cavity absorbs heat energy and rises, the temperature is transferred to the evaporating liquid below the liquid cavity, the evaporating liquid is partially evaporated, the sealing ring pushes the water level to rise, at the moment, the atomizing disc is lower than the water level, the part of the water higher than the atomizing disc is atomized into water mist by the atomizing disc and flows out through the air bag and the air flow passage, and the advantage is that the surrounding air is absorbed through the water mist, so that the part close to one side of the liquid crystal screen in the external environment is cooled, people watching the liquid crystal screen have cool feeling, and more people are attracted to watch the shown advertisement.
Drawings
Fig. 1 is a schematic structural diagram of an outdoor advertising dustproof self-radiating liquid crystal display panel according to the present invention;
FIG. 2 is a side view of an outdoor advertising gray-proof self-radiating liquid crystal display panel according to the present invention;
fig. 3 is an enlarged schematic view of a portion a of an outdoor advertising gray-protection self-heat-dissipation liquid crystal display panel according to the present invention.
In the figure: the device comprises a base 1, a fixing plate 2, a liquid crystal screen 3, a square box 4, an air bag 5, a moving block 6, an air flow channel 7, an electromagnet 8, a sliding cavity 9, a conductive plate 10, a rubber strip 11, a liquid cavity 12, a water inlet pipe 13, a sealing ring 14, an atomizing disc 15, a rainproof shed 16 and a piezoelectric ceramic plate 17.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, an outdoor advertising is with preventing grey self-radiating LCD screen, including base 1, fixed plate 2 and the LCD screen 3 of inlaying in fixed plate 2, fixed plate 2 is located the both sides of LCD screen 3 and is equipped with a square box 4 respectively, fixedly connected with gasbag 5 in every square box 4, a connector has been seted up respectively to the upper and lower both sides of gasbag 5, the bottom fixedly connected with movable block 6 of every gasbag 5, every movable block 6 sliding connection is at the inner wall of square box 4, open being equipped with airflow channel 7 and airflow channel 7 communicates with gasbag 5 in every movable block 6, every movable block 6 offsets there is an electro-magnet 8 of fixing in square box 4 bottom.
Fixed plate 2 is located LCD screen 3's below and has been seted up smooth chamber 9, the both sides difference electricity in smooth chamber 9 are connected with a current conducting plate 10, two current conducting plates 10 constitute the parallel plate condenser, every current conducting plate 10 has an electro-magnet 8 that corresponds one side rather than the electricity to be connected, make when two current conducting plates 10 communicate each other, will make two electro-magnets 8 electrified band magnetism simultaneously, two movable block 6 are connected with rubber strip 11 jointly, the laminating of rubber strip 11 is on the surface of LCD screen 3, rubber strip 11 removes the clearance of realization to LCD screen 3 through laminating on LCD screen 3 surface, the one end that movable block 6 is close to electro-magnet 8 is connected with the magnetic layer that repels with electro-magnet 8 homopolar, will produce the magnetic repulsion to movable block 6 when electro-magnet 8 is electrified.
Seted up the sap cavity 12 in the fixed plate 2, be equipped with water in the sap cavity 12, the bottom fixedly connected with inlet tube 13 of sap cavity 12 and exert rated water pressure in the inlet tube 13, make the water level invariable in the sap cavity 12 under the normal condition, inlet tube 13 has cup jointed sealing ring 14 outward, the boiling point is 60 ℃'s evaporating liquid is equipped with to sealing ring 14 below, when evaporating liquid partial evaporation, sealing ring 14 will promote the aquatic of top to shift up, thereby the automatic water level that increases, the top part fixedly connected with atomizing disk 15 of sap cavity 12, be located the water level top under the 15 initial conditions of atomizing disk, the top fixedly connected with weather enclosure 16 of fixed plate 2, the inner wall of weather enclosure 16 passes through spring fixedly connected with piezoceramics piece 17, piezoceramics piece 17's both ends are connected with two current conducting.
When the invention is used, the rain-proof shed 16 can generate larger vibration in windward state, so that irregular pressure action is generated on the piezoelectric ceramic piece 17 connected with the spring, and meanwhile, sound energy output by external noise can also make the piezoelectric ceramic piece 17 generate vibration, thereby continuously outputting current.
After the limit voltage is exceeded, the parallel plate capacitor discharges to enable the two electromagnets 8 to output currents respectively, so that the electromagnets 8 push the moving block 6 to move upwards, on one hand, transverse air flow is output through the air flow channel 7 and the air bag 5 to enable dust on the surface of the liquid crystal screen 3 to float, on the other hand, the dust on the surface is removed under the brushing of the rubber strip 11, and in each charging and discharging process, the cleaning effect is achieved, and therefore the effect of cleaning the surface of the liquid crystal screen 3 regularly is achieved;
after the upward moving process is finished, the parallel plate capacitor finishes discharging, the moving block 6 is restored to the initial state under the action of gravity and magnetic attraction, and simultaneously air in the liquid cavity 12 is sucked into the air bag 5, in the process, outside air enters the liquid cavity 12 through the air inlet under the negative pressure action in the liquid cavity 12, on one hand, air exchange is achieved, the heat dissipation effect of the air on cooling water in the liquid cavity is improved, on the other hand, part of water enters the air bag 5 under the negative pressure action and flows into the surface of the rubber strip 11, and dust cleaned on the rubber strip 11 is removed by a wet method.
Meanwhile, when the external temperature is too high, the temperature of the water in the liquid cavity 12 is raised by absorbing heat energy, and the temperature is transferred to the evaporating liquid below, so that the evaporating liquid is partially evaporated, the sealing ring 14 pushes the water level to be raised, at the moment, the atomizing disc 15 is lower than the water level, part of the water is atomized into water mist by the atomizing disc 15 and flows out from the air bag 5 and the air flow channel 7, and the advantage is that the surrounding air is absorbed by the water mist, so that the part of the external environment close to one side of the liquid crystal screen 3 is cooled, and a person watching the liquid crystal screen 3 has a cool feeling, and more people are attracted to watch the shown advertisement.
Although the terms of the base 1, the fixed plate 2, the liquid crystal screen 3, the square box 4, the air bag 5, the moving block 6, the air flow channel 7, the electromagnet 8, the sliding cavity 9, the conductive plate 10, the rubber strip 11, the liquid cavity 12, the water inlet pipe 13, the sealing ring 14, the atomizing disk 15, the rain-proof shed 16, the piezoelectric ceramic plate 17, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (2)
1. The dustproof self-radiating liquid crystal screen for the outdoor advertisement comprises a base (1), a fixed plate (2) and a liquid crystal screen (3) embedded in the fixed plate (2), and is characterized in that the fixed plate (2) is provided with square boxes (4) at two sides of the liquid crystal screen (3), an air bag (5) is fixedly connected in each square box (4), the bottom of each air bag (5) is fixedly connected with a movable block (6), each movable block (6) is connected to the inner wall of each square box (4) in a sliding manner, an air flow channel (7) is arranged in each movable block (6), the air flow channel (7) is communicated with the air bag (5), and an electromagnet (8) fixed at the bottom of each square box (4) is abutted against each movable block (6);
the fixed plate (2) is positioned below the liquid crystal screen (3) and is provided with a sliding cavity (9), two sides of the sliding cavity (9) are respectively and electrically connected with a conductive plate (10), the two conductive plates (10) form a parallel plate capacitor, each conductive plate (10) is provided with an electromagnet (8) corresponding to one side and is electrically connected with the corresponding electromagnet, the two moving blocks (6) are jointly connected with a rubber strip (11), the rubber strip (11) is attached to the surface of the liquid crystal screen (3), and one end, close to the electromagnet (8), of each moving block (6) is connected with a magnetic layer with the same pole as the electromagnet (8) in a repulsive manner;
seted up sap cavity (12) in fixed plate (2), be equipped with water in sap cavity (12), the bottom fixedly connected with inlet tube (13) of sap cavity (12) and exert rated water pressure in inlet tube (13), inlet tube (13) overcoat has connect sealing ring (14), the boiling point is 60 ℃'s evaporating liquid, the top part fixedly connected with atomizing disk (15) of sap cavity (12) is equipped with to sealing ring (14) below.
2. The outdoor advertising dustproof self-radiating liquid crystal screen is characterized in that a rainproof shed (16) is fixedly connected to the top of the fixing plate (2), a piezoelectric ceramic piece (17) is fixedly connected to the inner wall of the rainproof shed (16) through a spring, and two ends of the piezoelectric ceramic piece (17) are electrically connected with the two conductive plates (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526410.5A CN111599287A (en) | 2020-06-09 | 2020-06-09 | Dustproof self-radiating liquid crystal display for outdoor advertising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526410.5A CN111599287A (en) | 2020-06-09 | 2020-06-09 | Dustproof self-radiating liquid crystal display for outdoor advertising |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111599287A true CN111599287A (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010526410.5A Withdrawn CN111599287A (en) | 2020-06-09 | 2020-06-09 | Dustproof self-radiating liquid crystal display for outdoor advertising |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111599287A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133212A (en) * | 2020-10-19 | 2020-12-25 | 李土发 | Outdoor LED advertisement screen of thunder and lightning is prevented in dust removal |
| CN112993818A (en) * | 2021-02-25 | 2021-06-18 | 中驰三龙电力股份有限公司 | Feeder automation terminal switch cabinet |
| WO2022104569A1 (en) * | 2020-11-18 | 2022-05-27 | 杭州映冬科技有限公司 | Smart manufacturing device for improving service life of display on the basis of temperature difference |
-
2020
- 2020-06-09 CN CN202010526410.5A patent/CN111599287A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133212A (en) * | 2020-10-19 | 2020-12-25 | 李土发 | Outdoor LED advertisement screen of thunder and lightning is prevented in dust removal |
| CN112133212B (en) * | 2020-10-19 | 2021-05-14 | 广东华数科技有限公司 | Outdoor LED advertisement screen of thunder and lightning is prevented in dust removal |
| WO2022104569A1 (en) * | 2020-11-18 | 2022-05-27 | 杭州映冬科技有限公司 | Smart manufacturing device for improving service life of display on the basis of temperature difference |
| CN112993818A (en) * | 2021-02-25 | 2021-06-18 | 中驰三龙电力股份有限公司 | Feeder automation terminal switch cabinet |
| CN112993818B (en) * | 2021-02-25 | 2023-04-25 | 中驰三龙电力股份有限公司 | Feeder automation terminal switch cabinet |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201102 Address after: No.114, Gongren village, Yangluo street, Xinzhou District, Wuhan City, Hubei Province Applicant after: Wuhan haomengyuan mechanical equipment manufacturing Co.,Ltd. Address before: 430014 daijiashan technological innovation city, 888 Hwang Huang Road, Jiang'an District, Wuhan, Hubei Applicant before: WUHAN WANJIE PHOTOELECTRIC Co.,Ltd. |
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Application publication date: 20200828 |
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