CN115163998B - Multimedia embedded bearing type installation matching device and control method - Google Patents
Multimedia embedded bearing type installation matching device and control method Download PDFInfo
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- CN115163998B CN115163998B CN202210735221.8A CN202210735221A CN115163998B CN 115163998 B CN115163998 B CN 115163998B CN 202210735221 A CN202210735221 A CN 202210735221A CN 115163998 B CN115163998 B CN 115163998B
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- dust collection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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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
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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
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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
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
Abstract
The invention discloses a multimedia embedded bearing type installation matching device and a control method, and relates to the technical field of multimedia installation and use. In the invention, the following components are added: the detection plugging assembly comprises a fixed support rod fixedly installed in the electrostatic cavity, an LED lamp bead and a photoresistor are embedded and configured on one side face of the fixed support rod, which faces the air inlet, an adjusting rod is movably installed in the center of the fixed support rod, and one end of the adjusting rod is provided with a light plug body matched with the air inlet. An electromagnetic regulating and controlling assembly is arranged in the transverse airflow cavity, a plurality of uniformly distributed electromagnetic modules are arranged in the electromagnetic regulating and controlling assembly, and a circular magnet which is in magnetic attraction fit with the electromagnetic modules of the electromagnetic regulating and controlling assembly is arranged at the other end of the regulating rod. The invention realizes the effective heat dissipation circulation of the gas, reduces the content of the tiny dust in the circulating gas, avoids the phenomenon of excessive accumulation of the tiny dust in the electrostatic dust collection component, and ensures the dust collection effect of the electrostatic dust collection component.
Description
Technical Field
The invention relates to the technical field of multimedia installation and use, in particular to a multimedia embedded bearing type installation matching device and a control method.
Background
In the existing multimedia installation mode, for example, when a display screen with a large specification and size is installed, the display screen needs to be firmly installed on a wall body, and sometimes needs to be embedded in the wall body. The non-embedded display screen is installed and occupies more external volume, is not attractive, and is easy to enter dust. The display screen embedded in the wall is attractive and difficult to enter dust, but the whole display screen is in the surrounding of the wall, so that the heat dissipation performance is poor. Therefore, how to achieve effective heat dissipation and good dustproof effect for the multimedia display screen embedded in the wall becomes a problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multimedia embedded bearing type installation matching device and a control method, which not only realize effective heat dissipation circulation of gas, but also greatly reduce the content of tiny dust in circulating gas, simultaneously avoid the phenomenon of excessive accumulation of tiny dust in an electrostatic dust collection assembly, and ensure the dust collection effect of the electrostatic dust collection assembly.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a multimedia embedded bearing type installation matching device which comprises a supporting frame pipe embedded in a wall body, wherein a display screen is installed in the inner peripheral area of the supporting frame pipe, and the supporting frame pipe comprises a ventilation cavity. The static dust removal subassembly is installed to the embedding of braced frame pipe bottom, and a plurality of evenly distributed's air inlet has been seted up to static dust removal subassembly's lateral surface, and the static chamber of communicating with the air inlet is built-in to static dust removal subassembly, and static chamber ring lateral wall is smooth static wall, and static dust removal subassembly includes the horizontal air current chamber with a plurality of static chamber intercommunication. The detection plugging assembly comprises a fixed support rod fixedly installed in the electrostatic cavity, an LED lamp bead and a photoresistor are embedded and configured on one side face of the fixed support rod, which faces the air inlet, an adjusting rod is movably installed in the center of the fixed support rod, and one end of the adjusting rod is provided with a light plug body matched with the air inlet. An electromagnetic regulating and controlling assembly is arranged in the transverse airflow cavity, a plurality of uniformly distributed electromagnetic modules are arranged in the electromagnetic regulating and controlling assembly, and a circular magnet which is in magnetic attraction fit with the electromagnetic modules of the electromagnetic regulating and controlling assembly is arranged at the other end of the regulating rod. The first air vent valve communicated with the air vent cavity is arranged on one side of the electrostatic dust collection assembly, the second air vent valve communicated with the air vent cavity is arranged on the other side of the electrostatic dust collection assembly, the first air flow fan and the second air flow fan are arranged in the air vent cavity, the first air flow fan is positioned on one side of the electrostatic dust collection assembly, the second air flow fan is positioned on the other side of the electrostatic dust collection assembly, and the support frame tube is provided with the third air vent valve positioned on the upstream side of the second air flow fan and the fourth air vent valve positioned on the downstream side of the second air flow fan.
As a preferred technical scheme of the device of the invention: the support frame tube is provided with an air inlet opening and an air outlet opening which are communicated with the heat dissipation area on the back side of the display screen, the support frame tube is provided with a baffle plate structure for separating the air inlet opening and the air outlet opening, and the air inlet opening and the air outlet opening are communicated with ventilation cavities in respective directions.
As a preferred technical scheme of the device of the invention: the air inlet is a circular opening, the electrostatic cavity is a cylindrical cavity, and the diameter size of the electrostatic cavity is larger than that of the air inlet; a section of conical transition surface is arranged between the air inlet and the electrostatic cavity, and a section of conical structure matched with the conical transition surface is arranged on the front side of the light plug body.
As a preferred technical scheme of the device of the invention: the adjusting rod is fixedly provided with a limiting ring, the limiting ring is positioned between the fixed supporting rod and the electromagnetic regulating and controlling assembly, and the adjusting rod is sleeved with a spring positioned between the limiting ring and the electromagnetic regulating and controlling assembly.
As a preferred technical scheme of the device of the invention: the electromagnetic regulating and controlling assembly is provided with a plurality of cylindrical cavities, the electromagnetic module is embedded and installed inside the cylindrical cavities, and the round magnets are installed inside the cylindrical cavities in a matched mode.
As a preferred technical scheme of the device of the invention: the first ventilation valve, the second ventilation valve and the third ventilation valve are all of normally closed structures.
The invention provides a control method of a multimedia embedded bearing type installation matching device, which comprises the following steps:
(1) Electrostatic precipitation heat dissipation
(1) After the display screen is started, the first ventilation valve is opened, the fourth ventilation valve is opened, the first airflow fan is started, the second airflow fan is started, all electromagnetic modules in the electromagnetic regulation and control assembly are electrified, the round magnet is close to the electromagnetic module by magnetic attraction, the light plug body is separated from the inner side of the air inlet, the air inlet is opened, external airflow enters from the electrostatic dust collection assembly, and the airflow sequentially enters the first ventilation valve, the ventilation cavity, the air inlet opening, the air outlet opening and the ventilation cavity and is discharged from the fourth ventilation valve, so that heat discharge of the display screen is completed. (2) The external air flow enters the electrostatic cavity of the electrostatic dust collection assembly, the air flow cross section is enlarged, the air flow speed is reduced, and the smooth electrostatic wall faces to the dust and impurities in the external air flow to carry out electrostatic adsorption;
(2) Detection and blocking of electrostatic cavity
The LED lamp beads supplement light to the electrostatic cavity to a certain extent, tiny dust and impurities in the electrostatic cavity entering the electrostatic dust removal assembly are continuously attached to the smooth electrostatic wall surface, the light brightness in the electrostatic cavity is induced to be gradually reduced by the photoresistor, the electric loop current of the photoresistor is reduced, when the electric loop current of the photoresistor is reduced to the lowest reference value preset by the system, the electromagnetic module at the corresponding position is powered off, the adjusting rod is under the action of spring tension, and the adjusting rod drives the light plug body to plug the air inlet at the current position.
(3) Reverse dust removal
(1) After the display screen is closed, the first air flow fan and the second air flow fan in the supporting frame pipe still operate for a certain time, after a certain time, the first air flow fan, the first air vent valve and the fourth air vent valve are powered off, the second air vent valve, the second air flow fan and the third air vent valve are powered on and opened, all electromagnetic modules in the electromagnetic regulation and control assembly are powered on, the air inlet of the electrostatic dust removal assembly is opened, the smooth electrostatic wall surface of the electrostatic cavity is powered off, and dust and impurities in the electrostatic cavity are not adsorbed by the static of the smooth electrostatic wall surface. (2) Under the action of the second air flow fan, external air flow enters from the third air flow valve, enters the electrostatic dust collection assembly through the second air flow fan and the second air flow valve, and when the air flow passes through the electrostatic cavity, tiny dust and impurities which are not adsorbed by static electricity on the smooth electrostatic wall surface are discharged from the air inlet.
As a preferable technical scheme of the control method in the invention: in the reverse dust removal process, the LED lamp beads and the photoresistors in the electrostatic cavity work normally, when the current of an electric loop where the photoresistors are located reaches a normal reference value preset by a system, an electromagnetic module at the current position is powered off, an adjusting rod is under the action of spring tension, and the adjusting rod drives a light plug body to plug an air inlet at the current position.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the supporting frame pipe is designed in the peripheral supporting structure of the display screen embedded in the wall body, and the air flow circulating pipeline structure is designed, and the electrostatic dust collection assembly is arranged to complete the operations of electrostatic dust collection, dust collection detection and reverse dust collection, so that the effective heat dissipation circulation of air is realized, the content of tiny dust in circulating air is greatly reduced, the phenomenon of excessive accumulation of tiny dust in the electrostatic dust collection assembly is avoided, and the dust collection effect of the electrostatic dust collection assembly is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the device of the present invention.
Fig. 2 is a partially enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic view of the structure (top view) of the electrostatic dust collection assembly, the detection plugging assembly, the electromagnetic control assembly, the first ventilation valve and the second ventilation valve in the invention.
Fig. 4 is a schematic diagram of the (side) view structure of the electrostatic dust collection assembly, the detection plugging assembly and the electromagnetic control assembly in the invention.
Fig. 5 is a schematic view of the (front side) structure of the electromagnetic regulating assembly in the present invention.
Fig. 6 is a schematic diagram of the present invention when heat dissipation is performed.
Fig. 7 is a schematic diagram of the present invention when the reverse dust removal is performed.
Reference numerals illustrate:
1-supporting frame pipe, 101-ventilation cavity, 102-air inlet opening and 103-air outlet opening; 2-electrostatic dust collection components, 201-air inlets, 202-electrostatic cavities, 203-smooth electrostatic wall surfaces, 204-transverse airflow cavities; 3-detecting and plugging components, 301-fixing support rods, 302-LED lamp beads, 303-photoresistors, 304-adjusting rods, 305-light plugs, 306-round magnets, 307-limiting rings and 308-springs; 4-electromagnetic regulation and control components, 401-cylindrical cavities and 402-electromagnetic modules; 5-a first vent valve; 6-a second ventilation valve; 7-a first airflow fan; 8-a second air flow fan; 9-a third gas-passing valve; 10-fourth air valve.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1, the support frame tube includes a ventilation chamber 101, an air inlet opening 102, and an air outlet opening 103, wherein the ventilation chamber 101 is divided into two sections, one section is from the electrostatic precipitator 2 to the air inlet opening 102, and the other section is from the air outlet opening 103 to the electrostatic precipitator 2. The air inlet opening 102 and the air outlet opening 103 are communicated with a heat dissipation area of the display screen, the electrostatic dust collection assembly 2 is arranged at the bottom of the supporting frame tube 1, a first ventilation valve 5 and a second ventilation valve 6 are respectively arranged at two sides of the electrostatic dust collection assembly 2, a first air flow fan 7 and a second air flow fan 8 are also arranged at the bottom of the supporting frame tube 1, and a third ventilation valve 9 and a fourth ventilation valve 10 are respectively arranged at two sides of the second air flow fan 8.
Referring to fig. 2, the electrostatic precipitator 2 is embedded or clamped on the supporting frame tube 1, and a plurality of uniformly distributed air inlets 201 are formed on the front side of the electrostatic precipitator 2. The two sides of the electrostatic dust collection assembly 2 are communicated with the ventilation cavity 101 through the first ventilation valve 5 and the second ventilation valve 6, and the first air flow fan 7 is positioned at one side of the first ventilation valve 5. The second air flow fan 8 is positioned between the third air-through valve 9 and the fourth air-through valve 10.
Referring to fig. 3, the electrostatic precipitator 2 includes a plurality of electrostatic chambers 202, the electrostatic chambers 202 are connected with an air inlet 201, a smooth electrostatic wall 203 is provided on a sidewall of the electrostatic chambers 202, an electromagnetic control assembly 4 is provided at a rear side of the electrostatic precipitator 2, a detection plugging assembly 3 is provided in the electrostatic precipitator 2, the detection plugging assembly 3 includes an adjusting rod 304, a light plug 305, a limiting ring 307 and a spring 308, and the detection plugging assembly 3 is cooperatively connected with the electromagnetic control assembly 4.
Referring to fig. 4, the electromagnetic control assembly 4 is provided with a plurality of cylindrical cavities 401, and each cylindrical cavity 401 is internally provided with an electromagnetic module 402, and the plurality of electromagnetic modules 402 are controlled independently. The detection plugging assembly 3 comprises a fixing support rod 301, the fixing support rod 301 is fixedly arranged in the electrostatic cavity 202, the fixing support rod 301 is embedded in the direction of the air inlet, an LED lamp bead 302 and a photoresistor 303 are arranged, the LED lamp bead 302 supplements light to a certain extent into the electrostatic cavity 202, the photoresistor 303 detects the brightness degree in the electrostatic cavity 202, dust adsorbed by the smooth electrostatic wall surface 203 is increased, a large amount of light is absorbed, and the light intensity sensed by the photoresistor 303 is reduced. One end of the adjusting rod 304 is movably inserted into the electromagnetic regulating and controlling assembly 4 and is provided with a circular magnet 306, the circular magnet 306 is arranged in the cylindrical cavity 401, a magnetic material shielding layer is arranged between the cylindrical cavities 401 of the electromagnetic regulating and controlling assembly 4, and interference between adjacent electromagnetic modules 402 is reduced. The spring 308 is arranged between the electromagnetic regulating assembly 4 and the limiting ring 307, and when the electromagnetic module 402 is powered off and loses magnetism, the spring 308 can push the adjusting rod 304 to move, so that the light plug body 305 is pushed to the air inlet 201, and the air inlet 201 is temporarily blocked.
Referring to fig. 5, the electromagnetic regulating assembly 4 is provided with a plurality of uniformly distributed cylindrical cavities 401.
Referring to fig. 6, when heat dissipation is performed, air flows from the air inlet 201 into the electrostatic dust collection assembly 2, passes through the first air vent valve 5 and the first air flow fan 7, passes through the back side heat dissipation area of the display screen, passes through the second air flow fan 8, and is discharged from the fourth air valve 10 to the outside.
Referring to fig. 7, when the reverse dust removal is performed, the display screen is turned off, and the heat generated by the display screen is also discharged. Then, only the second ventilation valve 6, the second air flow fan 8 and the third ventilation valve 9 are opened, the electromagnetic module 402 in the electromagnetic regulation and control assembly 4 is electrified (refer to fig. 4), air flows from the third ventilation valve 9 and the second air flow fan 8 into the electrostatic precipitation assembly 2, the smooth electrostatic wall surface 203 of the electrostatic precipitation assembly 2 is powered off and is free of static electricity (refer to fig. 4), dust is taken away by rapid air flow, and the dust is discharged from the air inlet 201 to the outside.
In the present invention, the first ventilation valve 5 and the second ventilation valve 6 are built in the support frame tube 1 as valves for communicating the lateral airflow chamber 204 and the ventilation chamber 101. The third air valve 9 and the fourth air valve 10 are valves arranged on the front side surface of the supporting frame pipe 1, the third air valve 9 and the fourth air valve 10 are valves for communicating the ventilation cavity 101 with the outside, and the orientation positions of the air inlets 201 are the same.
Example two
The invention relates to a control method of a multimedia embedded bearing type installation matching device, which specifically comprises the following steps:
(1) Electrostatic dust removal and heat dissipation: after the display screen is started, the first ventilation valve 5 is opened, the fourth ventilation valve 10 is opened, the first air flow fan 7 is started, the second air flow fan 8 is started, all electromagnetic modules 402 in the electromagnetic regulating and controlling assembly 4 are electrified, the round magnet 306 is close to the electromagnetic modules 402 by magnetic attraction, the light plug body 305 is separated from the inner side of the air inlet 201, the air inlet 201 is opened, external air flow enters from the electrostatic dust collection assembly 2, and the air flow is sequentially discharged from the first ventilation valve 5, the ventilation cavity 101, the air inlet opening 102, the air outlet opening 103 and the ventilation cavity 101 and is discharged from the fourth ventilation valve 10, so that heat discharge of the display screen is completed. The external air flow enters the electrostatic cavity 202 of the electrostatic dust collection assembly 2, the air flow cross section is enlarged, the air flow speed is reduced, and the smooth electrostatic wall surface 203 is used for carrying out electrostatic adsorption on dust and impurities in the external air flow.
(2) Detecting and plugging an electrostatic cavity: the LED lamp beads 302 supplement light to the electrostatic cavity 202 to a certain extent, dust and impurities in the electrostatic cavity 202 entering the electrostatic dust removal assembly 2 are continuously attached to the smooth electrostatic wall surface 203, the photoresistor 303 senses that the brightness of the light in the electrostatic cavity 202 is gradually reduced, the current of an electric loop where the photoresistor 303 is located is reduced, when the current of the electric loop of the photoresistor 303 is reduced to a minimum reference value preset by a system (when the current in the electric loop is reduced to the minimum reference value, the light intensity of the photoresistor sensed in the electrostatic cavity 202 is weakened to a certain extent, that is, the dust attached to the smooth electrostatic wall surface 203 is too much, a large amount of illumination of the LED lamp beads 302 is absorbed by the dust attached to the smooth electrostatic wall surface 203, the illumination intensity sensed by the photoresistor is greatly reduced), the electromagnetic module 402 at a corresponding position is deenergized, the regulating rod 304 is under the tension of the spring 308, and the regulating rod 304 drives the light plug body 305 to seal the air inlet 201 at the current position;
(3) And (3) reverse dedusting: after the display screen is closed, the first air flow fan 7 and the second air flow fan 8 in the supporting frame pipe 1 still operate for a certain time, after a certain time, the first air flow fan 7, the first air vent valve 5 and the fourth air vent valve 10 are powered off, the second air vent valve 6, the second air flow fan 8 and the third air vent valve 9 are powered on and opened, all electromagnetic modules 402 in the electromagnetic regulating and controlling assembly 4 are powered on, the air inlet 201 of the electrostatic dust removing assembly 2 is opened, the smooth electrostatic wall surface 203 of the electrostatic cavity 202 is powered off, and dust and impurities in the electrostatic cavity 202 are not adsorbed by the static of the smooth electrostatic wall surface 203. Under the action of the second air flow fan 8, external air flow enters from the third air flow valve 9, enters the electrostatic dust collection assembly 2 through the second air flow fan 8 and the second air flow valve 6, and when the air flow passes through the electrostatic cavity 202, tiny dust and impurities which are not subjected to electrostatic adsorption by the smooth electrostatic wall surface 203 are discharged from the air inlet 201.
In the process of reverse dust removal, the LED lamp beads 302 and the photoresistors 303 in the electrostatic cavity 202 work normally, when the current of the electric loop where the photoresistors 303 are located reaches a normal reference value preset by the system (when the current in the electric loop reaches the normal reference value, it is indicated that the photoresistors sense that the light intensity in the electrostatic cavity 202 reaches a certain degree, that is, dust attached to the smooth electrostatic wall surface 203 is small, the illumination of the LED lamp beads 302 is reflected in the electrostatic cavity 202), the electromagnetic module 402 at the current position is powered off, the adjusting rod 304 is under the tension of the springs 308, and the adjusting rod 304 drives the light plug body 305 to seal the air inlet 201 at the current position.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The utility model provides a multi-media embedding bears formula installation cooperation device which characterized in that:
the display screen comprises a support frame pipe (1) embedded in a wall body, wherein the display screen is arranged in the inner peripheral area of the support frame pipe (1), and the support frame pipe (1) comprises a ventilation cavity (101);
the static dust collection device is characterized in that the bottom of the supporting frame pipe (1) is embedded and provided with a static dust collection assembly (2), the outer side surface of the static dust collection assembly (2) is provided with a plurality of uniformly distributed air inlets (201), the static dust collection assembly (2) is internally provided with static cavities (202) communicated with the air inlets (201), the annular side wall of each static cavity (202) is a smooth static wall surface (203), and the static dust collection assembly (2) comprises a transverse airflow cavity (204) communicated with the static cavities (202);
the static dust collection device is characterized in that a detection plugging assembly (3) is arranged in a static cavity (202) and a transverse airflow cavity (204) of the static dust collection assembly (2), the detection plugging assembly (3) comprises a fixed support rod (301) fixedly arranged in the static cavity (202), an LED lamp bead (302) and a photoresistor (303) are embedded and arranged on one side surface of the fixed support rod (301) facing the air inlet (201), an adjusting rod (304) is movably arranged in the center of the fixed support rod (301), and one end of the adjusting rod (304) is provided with a light plug body (305) matched with the air inlet (201);
an electromagnetic regulating component (4) is arranged in the transverse airflow cavity (204), a plurality of uniformly distributed electromagnetic modules (402) are arranged in the electromagnetic regulating component (4), and a circular magnet (306) which is in magnetic attraction fit with the electromagnetic modules (402) of the electromagnetic regulating component (4) is arranged at the other end of the regulating rod (304);
the novel electrostatic dust collection device is characterized in that a first ventilation valve (5) communicated with the ventilation cavity (101) is arranged on one side of the electrostatic dust collection assembly (2), a second ventilation valve (6) communicated with the ventilation cavity (101) is arranged on the other side of the electrostatic dust collection assembly (2), a first airflow fan (7) and a second airflow fan (8) are arranged in the ventilation cavity (101), the first airflow fan (7) is located on one side of the electrostatic dust collection assembly (2), the second airflow fan (8) is located on the other side of the electrostatic dust collection assembly (2), and a third ventilation valve (9) located on the upstream side of the second airflow fan (8) and a fourth ventilation valve (10) located on the downstream side of the second airflow fan (8) are arranged on the supporting frame tube (1).
2. The multimedia embedded load-bearing installation mating device of claim 1, wherein:
the support frame tube (1) is provided with an air inlet opening (102) and an air outlet opening (103) which are communicated with a heat dissipation area on the back side of the display screen, the support frame tube (1) is provided with a partition plate structure for separating the air inlet opening (102) and the air outlet opening (103), and the air inlet opening (102) and the air outlet opening (103) are communicated with ventilation cavities (101) in respective directions.
3. The multimedia embedded load-bearing installation mating device of claim 1, wherein:
the air inlet (201) is a circular opening, the static cavity (202) is a cylindrical cavity, and the diameter size of the static cavity (202) is larger than that of the air inlet (201);
a section of conical transition surface is arranged between the air inlet (201) and the electrostatic cavity (202), and a section of conical structure matched with the conical transition surface is arranged on the front side of the light plug body (305).
4. The multimedia embedded load-bearing installation mating device of claim 1, wherein:
the adjusting rod (304) is fixedly provided with a limiting ring (307), the limiting ring (307) is positioned between the fixed supporting rod (301) and the electromagnetic regulating and controlling assembly (4), and the adjusting rod (304) is sleeved with a spring (308) positioned between the limiting ring (307) and the electromagnetic regulating and controlling assembly (4).
5. The multimedia embedded load-bearing installation mating device of claim 1, wherein:
the electromagnetic regulation and control assembly (4) is provided with a plurality of cylindrical cavities (401), the electromagnetic module (402) is embedded and installed inside the cylindrical cavities (401), and the circular magnet (306) is installed inside the cylindrical cavities (401) in a matching mode.
6. The multimedia embedded load-bearing installation mating device of claim 1, wherein:
the first ventilation valve (5), the second ventilation valve (6) and the third ventilation valve (9) are all of normally closed structures.
7. A control method of a multimedia embedded bearing type installation cooperation device, characterized in that the multimedia embedded bearing type installation cooperation device according to any one of claims 1 to 6 is adopted, comprising the following steps:
(1) Electrostatic precipitation heat dissipation
(1) After the display screen is started, the first ventilation valve (5) is opened, the fourth air valve (10) is opened, the first air flow fan (7) is started, the second air flow fan (8) is started, all electromagnetic modules (402) in the electromagnetic regulation and control assembly (4) are electrified, the round magnet (306) is close to the electromagnetic modules (402) by magnetic attraction, the light plug body (305) is separated from the inner side of the air inlet (201), the air inlet (201) is opened, external air flow enters from the electrostatic dust collection assembly (2), and the air flow sequentially enters the first ventilation valve (5), the ventilation cavity (101), the air inlet opening (102), the air outlet opening (103) and the ventilation cavity (101) and is discharged from the fourth air valve (10), so that heat discharge of the display screen is completed;
(2) the external air flow enters an electrostatic cavity (202) of the electrostatic dust collection assembly (2), the air flow cross section is enlarged, the air flow speed is reduced, and the smooth electrostatic wall surface (203) performs electrostatic adsorption on dust and impurities in the external air flow;
(2) Detection and blocking of electrostatic cavity
The LED lamp beads (302) supplement light to the electrostatic cavity (202) to a certain extent, tiny dust and impurities entering the electrostatic cavity (202) of the electrostatic dust removal assembly (2) are continuously attached to the smooth electrostatic wall surface (203), the photoresistor (303) senses that the brightness of the light in the electrostatic cavity (202) is gradually reduced, the current of an electric loop where the photoresistor (303) is located is reduced, when the current of the electric loop of the photoresistor (303) is reduced to a minimum reference value preset by a system, an electromagnetic module (402) at a corresponding position is powered off, an adjusting rod (304) is under the tension action of a spring (308), and the adjusting rod (304) drives a light plug body (305) to block an air inlet (201) at the current position;
(3) Reverse dust removal
(1) After the display screen is closed, the first air flow fan (7) and the second air flow fan (8) in the supporting frame pipe (1) still operate for a certain time, after a certain time, the first air flow fan (7), the first air flow valve (5) and the fourth air flow valve (10) are powered off and closed, the second air flow valve (6), the second air flow fan (8) and the third air flow valve (9) are powered on and opened, all electromagnetic modules (402) in the electromagnetic regulation and control assembly (4) are powered on, the air inlet (201) of the electrostatic dust removal assembly (2) is opened, the smooth electrostatic wall surface (203) of the electrostatic cavity (202) is powered off, and dust and impurities in the electrostatic cavity (202) are not subjected to electrostatic adsorption of the smooth electrostatic wall surface (203);
(2) under the action of the second air flow fan (8), external air flow enters from the third air flow valve (9), passes through the second air flow fan (8) and the second air flow valve (6) and enters the electrostatic dust collection assembly (2), and when the air flow passes through the electrostatic cavity (202), the air flow is discharged from the air inlet (201) without being subjected to electrostatic adsorption of tiny dust and impurities by the smooth electrostatic wall surface (203).
8. The method for controlling a multimedia embedded bearing type installation matching device according to claim 7, wherein:
in the reverse dust removal process, an LED lamp bead (302) and a photoresistor (303) in the electrostatic cavity (202) work normally, when the current of an electric loop where the photoresistor (303) is located reaches a normal reference value preset by a system, an electromagnetic module (402) at the current position is powered off, an adjusting rod (304) is under the tension action of a spring (308), and the adjusting rod (304) drives a light plug body (305) to plug an air inlet (201) at the current position.
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