CN107303574B - Automatic dust removal exhibition frame device - Google Patents
Automatic dust removal exhibition frame device Download PDFInfo
- Publication number
- CN107303574B CN107303574B CN201610240954.9A CN201610240954A CN107303574B CN 107303574 B CN107303574 B CN 107303574B CN 201610240954 A CN201610240954 A CN 201610240954A CN 107303574 B CN107303574 B CN 107303574B
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- Prior art keywords
- dust
- air
- corona wire
- air compressor
- lifting rod
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Classifications
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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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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/0043—Show shelves
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/10—Adjustable or foldable or dismountable display stands
- A47F5/106—Adjustable or foldable or dismountable display stands with independent pillars
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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
Abstract
The invention relates to an automatic dust removal display device, which comprises a base, a lifting device, a fixing plate, two clamping plates, a blowing device and a dust collection device, wherein the lifting device is arranged on the base and comprises a first lifting rod and a second lifting rod which is arranged on the upper part of the first lifting rod and can move up and down; the upper end of the second lifting rod is rotatably fixed with a cylindrical rotating body through screws, a connecting rod is arranged at the front part of the rotating body, a fixing plate is arranged at the front end of the connecting rod, and a blowing device is arranged at the upper end of the fixing plate. According to the invention, the air blowing device and the dust removing device are arranged, the air blowing device and the dust removing device are controlled to be started through the control switch, the air blowing device blows air to the display rack to blow off dust on the display rack, and the corona wire of the dust removing device sucks peripheral floating dust and accumulates the floating dust in the dust accumulation groove, so that a good self-cleaning function is achieved.
Description
Technical Field
The invention relates to the technical field of display stands, in particular to an automatic dust removal display stand device.
Background
The display rack used in the exhibition is used for supporting the propaganda picture so as to facilitate people to obtain information on the propaganda picture. In the display process, because personnel flow greatly, a lot of dust is easily accumulated on the display board, and the existing display board does not have the self-cleaning function, so the display effect is greatly influenced.
Due to the fact that the display rack is simple and convenient in self weight and structure, dust cannot be removed completely easily during dust removal, and the dust removal process is not easy to control, so that the dust removal process is complicated.
Disclosure of Invention
The invention aims to provide an automatic dust removal display rack device which can automatically remove dust on a display rack.
In order to solve the technical problems, the invention provides the following technical scheme: the lifting device comprises a first lifting rod and a second lifting rod which is arranged on the upper portion of the first lifting rod and can move up and down, and the first lifting rod and the second lifting rod are fixedly connected through screws;
a cylindrical rotating body is rotatably fixed at the upper end of the second lifting rod through screws, a connecting rod is arranged at the front part of the rotating body, a fixed plate is arranged at the front end of the connecting rod, a blowing device is arranged at the upper end of the fixed plate, two horizontal slide ways are arranged on the fixed plate, two slide blocks are arranged in the two slide ways, two clamp plates are vertically fixed on the slide blocks and are arranged in parallel, a dust removal device is connected and arranged below the fixed plate and comprises a dust collection groove and a corona wire, an opening is formed in the upper end of the dust collection groove, the corona wire is arranged in the dust collection groove and is connected with an external circuit through a control switch, and the control switch is arranged on the first lifting rod;
the control switch is connected with a control circuit board arranged on the upper surface of the base through a lead; the control circuit board controls the on-off of the air compressor and the on-off of the corona wire; a processing module is arranged in the control circuit board, and the blowing speed of the air compressor and the action of the corona wire are controlled according to the preset air volume f of the air blower and the voltage v parameter of the corona wire within the determined time interval t;
the air volume f of the air compressor and the voltage v of the corona wire satisfy the following relation,
wherein, P represents the coincidence value between the air volume f and the voltage v at the same moment, and (f, v) represents the air volume f and the voltage v binary matrix value at each moment in the period t; t represents a mean square error operation, and I' represent an integral operation; (f + v, f-v) represents a matrix representation of the sum of the air volume f and the voltage v at each moment;
the threshold range of the air volume and the voltage at the determined moment in the period t can be obtained through the formula calculation, the threshold range P1-P2 of the contact ratio P is arranged in the processing module, and the control circuit board controls the air blower and the corona wire to work simultaneously only when the contact ratio P value at the moment is in the range.
Further, when the contact ratio P is less than P1, the number of dust in the dust collecting groove is small, at the moment, the control circuit board controls the air blower to work, the dust on the display rack is blown down into the dust collecting groove, and meanwhile, the corona wire does not work;
when the contact ratio P is greater than P2, it indicates that the dust quantity in the dust collecting groove is too much, and at the moment, the control circuit board controls the work of the corona wire and the air blower does not work.
Further, the control circuit board calculates the coincidence value of each moment in a unit period t according to the following formula;
in the formula, Δ t represents the time interval of the sampling points, a is a correction coefficient, the magnitude of a correction coefficient is determined by the number of the sampling points, ω represents the angular frequency of the air blower and is determined by the performance of the air blower, β is an initial phase angle, C represents the time of a signal period, and λ represents the peak value of the voltage waveform when the corona wire works.
Further, blast apparatus includes gas holder, air compressor machine, air outlet nozzle, the gas holder sets up in the fixed plate upper end, gas holder upper portion intercommunication is provided with the air compressor machine, the air compressor machine with control switch electrical property is connected, the gas holder lower extreme is provided with a plurality of air outlet nozzle.
Furthermore, four corners of the lower part of the base are provided with four movable wheels.
Compared with the prior art, the invention has the beneficial effects that: the invention has the advantages that the air blowing device and the dust removing device are arranged, the air blowing device and the dust removing device are controlled to be started through the control switch, the air blowing device blows air to the display rack to blow off dust on the display rack, the corona wire of the dust removing device absorbs floating dust around and accumulates in the dust accumulation groove, so that a good self-cleaning function is achieved, the fixed plate is provided with the slide way, the clamp plate is arranged on the slide way and can move left and right to adapt to display boards with different widths, the fixed plate is fixed on the lifting device through the connecting rod and the rotating body, the angle of the display boards can be adjusted during display, and audiences can conveniently watch the display.
Drawings
FIG. 1 is a schematic front view of an automatic dust-removing display device according to the present invention;
fig. 2 is a schematic side view of an automatic dust removing display device according to the present invention.
The reference numbers in the figures are: 1-base, 2-fixed plate, 21-slideway, 22-slide block, 3-clamping plate, 4-first lifting rod, 5-second lifting rod, 6-rotator, 7-connecting rod, 8-dust collecting groove, 9-corona wire, 10-control switch, 11-air storage tank, 12-air compressor, 13-air outlet nozzle and 14-moving wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
With reference to fig. 1-2, an automatic dust removal display device comprises a base 1, a lifting device, a fixing plate 2, two clamping plates 3, a blowing device and a dust collector, wherein the lifting device is arranged on the base 1, the lifting device comprises a first lifting rod 4 and a second lifting rod 5 which is arranged on the upper portion of the first lifting rod 4 and can move up and down, the first lifting rod 4 and the second lifting rod 5 are fixedly connected through screws, a cylindrical rotating body 6 is rotatably fixed on the upper end of the second lifting rod 5 through screws, a connecting rod 7 is arranged on the front portion of the rotating body 6, the fixing plate 2 is arranged at the front end of the connecting rod 7, and the blowing device is arranged on the upper end of the fixing plate 2.
Be provided with two horizontally slide 21 on the fixed plate 2, two all be provided with two sliders 22 in the slide 21, two 3 vertical fixes of splint on the slider 22, and two 3 parallel arrangement of splint, 2 below connections of fixed plate are provided with dust collector, dust collector includes laying dust groove 8, corona wire 9, 8 upper end openings in laying dust groove set up, be provided with corona wire 9 in the laying dust groove 8, corona wire 9 passes through control switch 10 and is connected with external circuit, control switch 10 sets up on first lifter 4.
According to the invention, the air blowing device and the dust removing device are arranged, the air blowing device and the dust removing device are controlled to be started through the control switch 10, the air blowing device blows air to the display rack to blow off dust on the display rack, and the corona wire 9 of the dust removing device sucks peripheral floating dust and accumulates the floating dust in the dust collecting groove 8, so that a good self-cleaning function is achieved.
Set up slide 21 on fixed plate 2, install splint 3 on slide 21 for splint 3 can remove about the activity, with the panel that adapts to different widths, fixed plate 2 passes through connecting rod 7 and rotates 6 to be fixed on elevating gear, can adjust the angle of panel when the show, makes things convenient for spectator's exhibition.
The blowing device comprises a gas storage tank 11, an air compressor 12 and air outlet nozzles 13, wherein the gas storage tank 11 is arranged at the upper end of the fixed plate 2, the upper part of the gas storage tank 11 is communicated with the air compressor 12, the air compressor 12 is electrically connected with the control switch 10, and the lower end of the gas storage tank 11 is provided with the air outlet nozzles 13. Four moving wheels 14 are arranged at four corners of the lower part of the base 1.
In the embodiment of the invention, the control switch is connected with a control circuit board arranged on the upper surface of the base 1 through a lead; the control circuit board controls the on-off of the air compressor 12 and the on-off of the corona wire 9. In order to reasonably control and coordinate the air compressor 12 and the corona wire 9, a processing module and a timing module are arranged in the control circuit board, and the blowing speed of the air compressor 12 and the action of the corona wire 9 are controlled according to the preset air volume f of the air compressor and the voltage v parameter of the corona wire within the determined time interval t.
In the embodiment, the air volume f of the air compressor and the voltage v of the corona wire satisfy the following relation,
wherein, P represents the coincidence value between the air volume f and the voltage v at the same moment, and (f, v) represents the air volume f and the voltage v binary matrix value at each moment in the period t; t represents a mean square error operation, and I' represent an integral operation; (f + v, f-v) represents a matrix representation of the sum of the air volume f and the voltage v at each instant.
The threshold range of the air volume and the voltage at the determined moment in the period t can be obtained through the formula calculation, the threshold range P1-P2 of the contact ratio P is arranged in the processing module, and the control circuit board controls the air blower and the corona wire to work simultaneously only when the contact ratio P value at the moment is in the range.
When the contact ratio P < P1, it is not much to explain the dust quantity in the dust collecting groove 8, and at this moment, the control circuit board controls the work of the air blower, and the dust on the display rack is blown down into the dust collecting groove 8, and meanwhile, the corona wire does not work.
When the contact ratio P is greater than P2, the dust in the dust collecting groove 8 is excessive, at the moment, the control circuit board controls the corona wire to work, and the air blower does not work.
According to the invention, through the control of the control circuit board, corresponding measures are taken according to the dust amount of the actual display rack and the dust collecting groove, so that not only can the dust be effectively removed in time, but also program resources can be saved, meanwhile, the equipment has enough regulation time, and the service life of the equipment is prolonged.
In order to further reduce the complexity of the control circuit board, the control circuit board in the embodiment of the invention calculates the coincidence value of each moment according to the following formula in a unit period t;
in the formula, Δ t represents the time interval of the sampling points, a is a correction coefficient, the magnitude of a correction coefficient is determined by the number of the sampling points, ω represents the angular frequency of the air blower and is determined by the performance of the air blower, β is an initial phase angle, C represents the time of a signal period, and λ represents the peak value of the voltage waveform when the corona wire works.
According to the formula, when the signal amplitude is larger, the sampling is denser, and the referential performance of the sampling data is stronger; the sampling samples the signal data according to the preset condition, so that the subsequent signal processing data volume is reduced, and the complex operation of data processing is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An automatic dust removal display device is characterized by comprising a base, a lifting device, a fixing plate, two clamping plates, a blowing device and a dust suction device, wherein the lifting device is arranged on the base and comprises a first lifting rod and a second lifting rod which is arranged on the upper portion of the first lifting rod and can move up and down, and the first lifting rod and the second lifting rod are fixedly connected through screws;
a cylindrical rotating body is rotatably fixed at the upper end of the second lifting rod through screws, a connecting rod is arranged at the front part of the rotating body, a fixed plate is arranged at the front end of the connecting rod, a blowing device is arranged at the upper end of the fixed plate, two horizontal slide ways are arranged on the fixed plate, two slide blocks are arranged in the two slide ways, two clamp plates are vertically fixed on the slide blocks and are arranged in parallel, a dust removal device is connected and arranged below the fixed plate and comprises a dust collection groove and a corona wire, an opening is formed in the upper end of the dust collection groove, the corona wire is arranged in the dust collection groove and is connected with an external circuit through a control switch, and the control switch is arranged on the first lifting rod;
the control switch is connected with a control circuit board arranged on the upper surface of the base through a lead; the control circuit board controls the opening and closing of the air compressor and the opening and closing of the corona wire in the air blowing device; a processing module is arranged in the control circuit board, and the blowing speed of the air compressor and the action of the corona wire are controlled according to preset air volume f of the air compressor and voltage v parameters of the corona wire within a determined time interval t;
the air volume f of the air compressor and the voltage v of the corona wire satisfy the following relation,
wherein, P represents the coincidence value between the air volume f and the voltage v at the same moment, and (f, v) represents the air volume f and the voltage v binary matrix value at each moment in the period t; t represents a mean square error operation, and I' represent an integral operation; (f + v, f-v) represents a matrix representation of the sum of the air volume f and the voltage v at each moment;
the threshold range of the air volume and the voltage at the determined moment in the period t can be obtained through the formula calculation, the threshold range P1-P2 of the contact ratio P is arranged in the processing module, and the control circuit board controls the air compressor and the corona wire to work simultaneously only when the contact ratio P value at the moment is in the range.
2. The automatic dust removal display rack device according to claim 1, wherein when the contact ratio P is less than P1, it indicates that the dust amount in the dust collecting groove is not large, at this time, the control circuit board controls the air compressor to work, so that the dust on the display rack is blown down into the dust collecting groove, and the corona wire does not work;
when the contact ratio P is greater than P2, it is shown that the dust amount in the dust collecting groove is too much, and at the moment, the control circuit board controls the corona wire to work, and the air compressor does not work.
3. The automatic dust removal display rack device according to claim 1, wherein the control circuit board calculates the coincidence value at each moment in a unit period t according to the following formula;
in the formula, Δ t represents the time interval of the sampling points, a is a correction coefficient, the magnitude of a correction coefficient is determined by the number of the sampling points, ω represents the angular frequency of the air compressor and is determined by the performance of the air compressor, β is an initial phase angle, C represents the time of a signal period, and λ represents the peak value of the voltage waveform when the corona wire works.
4. The automatic dust removal display rack device according to claim 1, wherein the blowing device comprises an air storage tank, an air compressor and an air outlet nozzle, the air storage tank is arranged at the upper end of the fixing plate, the upper part of the air storage tank is communicated with the air compressor, the air compressor is electrically connected with the control switch, and the lower end of the air storage tank is provided with a plurality of air outlet nozzles.
5. The automatic dust removal display rack device according to claim 1, wherein four moving wheels are provided at four corners of the lower part of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610240954.9A CN107303574B (en) | 2016-04-19 | 2016-04-19 | Automatic dust removal exhibition frame device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610240954.9A CN107303574B (en) | 2016-04-19 | 2016-04-19 | Automatic dust removal exhibition frame device |
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| CN107303574A CN107303574A (en) | 2017-10-31 |
| CN107303574B true CN107303574B (en) | 2020-03-31 |
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| CN201610240954.9A Active CN107303574B (en) | 2016-04-19 | 2016-04-19 | Automatic dust removal exhibition frame device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108968543A (en) * | 2018-07-10 | 2018-12-11 | 郑州国知网络技术有限公司 | A kind of sale Display Rack shown with multi-angle |
| CN109157074A (en) * | 2018-08-20 | 2019-01-08 | 青岛农业大学 | One kind is for facilitating exhibition multifunctional artistic Display Rack |
| CN109256063B (en) * | 2018-10-31 | 2021-01-15 | 梯联网（贵州）科技股份有限公司 | Automatic dust removal device for elevator advertising board |
| CN112493779A (en) * | 2020-11-30 | 2021-03-16 | 苏州仁尔必思电子科技有限公司 | Rotary self-cleaning electronic technology product display device |
| CN112605061B (en) * | 2020-12-29 | 2021-10-22 | 中南大学湘雅三医院 | Adjustable equipment operation frame for operating room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103337126B (en) * | 2013-06-20 | 2016-08-17 | 国网江西高安市供电有限责任公司 | A kind of multifunctional fire-fighting emergency set with redundancy determination |
| CN104545151A (en) * | 2014-12-30 | 2015-04-29 | 吴江明敏制衣有限公司松陵分公司 | Dedusting textile show shelf |
| CN204463500U (en) * | 2015-02-06 | 2015-07-08 | 安康学院 | A kind of English teaching rotary display rack device |
| CN204950265U (en) * | 2015-07-27 | 2016-01-13 | 莆田学院 | Rotation type sample show shelf |
| CN204838832U (en) * | 2015-08-26 | 2015-12-09 | 河南科技学院 | Industrial design opens up frame |
| CN205158810U (en) * | 2015-11-26 | 2016-04-13 | 吴亚楠 | Internet new media issue display device |
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