CN112421445A - Outdoor dustproof distribution box with self-cleaning function - Google Patents
Outdoor dustproof distribution box with self-cleaning function Download PDFInfo
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- CN112421445A CN112421445A CN202011221029.4A CN202011221029A CN112421445A CN 112421445 A CN112421445 A CN 112421445A CN 202011221029 A CN202011221029 A CN 202011221029A CN 112421445 A CN112421445 A CN 112421445A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
- B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an outdoor dustproof distribution box with a self-cleaning function, belonging to the technical field of dustproof boxes, and the outdoor dustproof distribution box with the self-cleaning function comprises a base and a box body fixed on the upper surface of the base, wherein a plurality of partition plates are fixed inside the box body, a plurality of vent holes are formed in the partition plates, cavities are formed in the left side wall and the right side wall of the box body, supporting rods are fixed at the inner top and the inner bottom of each cavity, an air inlet pipe and an air outlet pipe are fixed inside each cavity, the air inlet pipe and the air outlet pipe are respectively connected with the end parts of the two supporting rods, the air inlet pipe and the air outlet pipe in the cavities at two sides are reversely arranged, the aim of utilizing electrostatic adsorption to remove dust while ventilating and radiating heat can be realized, compared with the prior art, the dust removing effect is better, and meanwhile, the automatic cleaning of the electrostatic adsorption, guarantee whole dust pelletizing system's stable continuous work, also avoid leading to the not good phenomenon of box inside heat dissipation because of the dust accumulation is too much.
Description
Technical Field
The invention relates to the technical field of dustproof boxes, in particular to an outdoor dustproof distribution box with a self-cleaning function.
Background
The distribution box is a mass parameter on data, generally forms a low-voltage forest according to electrical wiring, and requires that a switch device, a measuring instrument, a protective electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect. The control center is used for commanding various components in a power supply circuit to reasonably distribute electric energy, is a control link for reliably receiving an upper end power supply and correctly feeding out load electric energy, and is also a key for obtaining whether a user is satisfied with the power supply quality.
The block terminal generally all is in outdoor use, in order to guarantee the inside electronic equipment's of block terminal normal work, need carry out ventilation cooling to the box inside, and when ventilation cooling, the inside can produce a lot of dust of unavoidable of box, current dust removal mode utilizes multilayer filter screen and filter cloth to filter the dust removal mostly, this kind of filter mode not only the filter effect is not good, and need frequently clear up, still need change after long-time the use, use cost is high, multilayer filter cloth filters in addition and still influences the ventilation effect.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an outdoor dustproof distribution box with a self-cleaning function, which can realize the purpose of removing dust by utilizing electrostatic adsorption while ventilating and radiating, has better dust removal effect compared with the dust removal by using a filter screen and a filter cloth in the prior art, can automatically clean dust adsorbed by the electrostatic adsorption, ensures the stable and continuous work of the whole dust removal system, and avoids the phenomenon of poor heat dissipation in a box body caused by excessive dust accumulation.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An outdoor dustproof distribution box with a self-cleaning function comprises a base and a box body fixed on the upper surface of the base, wherein a plurality of partition plates are fixed inside the box body, a plurality of ventilation holes are formed in the partition plates, cavities are formed in the left side wall and the right side wall of the box body respectively, supporting rods are fixed at the inner top and the inner bottom of each cavity respectively, an air inlet pipe and an air outlet pipe are fixed inside each cavity, the air inlet pipe and the air outlet pipe are respectively connected with the end parts of the two supporting rods, the air inlet pipe and the air outlet pipe in each cavity are arranged on two sides in a reverse direction, a dust absorption ventilation pipe is connected between the air inlet pipe and the air outlet pipe, the top end and the bottom end of the dust absorption ventilation pipe are respectively communicated with the air inlet pipe and the air outlet pipe, an electrostatic friction device which is attached to the dust absorption ventilation pipe is arranged on the outer, the slide block is provided with a driving mechanism for driving the slide block to slide along the slide rail, and the slide block is fixedly connected with the electrostatic friction device. The block terminal during operation, utilize the reverse air-supply line that sets up in both sides and go out the tuber pipe and ventilate, form the circulation air current inside the box, and the air current is in the inside abundant circulation of box, realize the inside heat dissipation of block terminal, when the air current gets into inside, utilize the electrostatic friction device and the dust absorption ventilation pipe looks friction that set up to make dust absorption ventilation pipe surface electrified, remove dust to the air current that gets into the box inside, realize carrying out the purpose of removing dust in ventilation cooling, and compare in filter screen and filter cloth dust removal among the prior art, the dust removal effect is better.
Furthermore, the dust absorption ventilation pipe comprises two semicircular supporting frameworks, the outsides of the supporting frameworks are respectively wrapped with a semicircular first electrostatic adsorption layer and a semicircular second electrostatic adsorption layer, an insulating antistatic connecting pipe is connected between the first electrostatic adsorption layer and the second electrostatic adsorption layer, the first electrostatic adsorption layer, the second electrostatic adsorption layer and the insulating antistatic connecting pipe form a sealed cavity, the electrostatic friction device comprises a supporting frame matched with the sealing cavity, a first semicircular friction layer and a second semicircular friction layer are covered on the inner wall of the supporting frame, and the first friction layer and the second friction layer are respectively jointed with the first electrostatic adsorption layer and the second electrostatic adsorption layer, the first electrostatic adsorption layer and the second electrostatic adsorption layer are subjected to acute opposite charges due to friction electrification of the first friction layer and the second friction layer, and a connecting block is connected between the first friction layer and the second friction layer. When the dust-proof device is used for dust prevention, air flow enters the dust-absorption ventilation pipe from the air guide cover, the electrostatic friction device is driven by the driving mechanism on the sliding block to move up and down, the first friction layer and the second friction layer respectively rub with the first electrostatic adsorption layer and the second electrostatic adsorption layer in the moving process, the outer surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer generate electrostatic charges after rubbing for a period of time, an electric field generated by the charges can enable molecules of the inner layer to generate polarization, the polarization result is that the inner surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer have redundant electrostatic charges which are the same as the charges carried by the outer surfaces, the generated electrostatic charges are utilized to generate an electrostatic adsorption effect on dust in the air flow, the dust is removed, and the purpose of full dust removal is achieved.
Furthermore, the first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively made of glass and rubber, the first friction layer and the second friction layer are respectively made of silk and fur, after the first friction layer and the second friction layer are respectively rubbed with the first electrostatic adsorption layer and the second electrostatic adsorption layer, the surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively provided with positive charges and negative charges, and the generated positive charges and negative charges are utilized for electrostatic adsorption.
Furthermore, the first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively made of rubber and glass, the first friction layer and the second friction layer are respectively made of fur and silk, after the first friction layer and the second friction layer are respectively rubbed with the first electrostatic adsorption layer and the second electrostatic adsorption layer, the surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively provided with negative charges and positive charges, and the generated positive charges and negative charges are utilized for electrostatic adsorption.
Further, the inside of the sealed chamber that first static adsorbed layer, second static adsorbed layer and insulating antistatic electricity connecting pipe formed evenly covers has many absorption hair follicles, utilizes many absorption hair follicles of cover to effectively reduce the velocity of flow of air current in the pipeline to the air that makes to have the dust fully contacts with first static adsorbed layer, second static adsorbed layer inner wall, guarantees dust adsorption effect.
Furthermore, the inside of the insulating antistatic electric connection pipe is provided with a conducting rod and an expansion and contraction conducting rod which are fixedly connected with a first electrostatic adsorption layer and a second electrostatic adsorption layer respectively, the ends of the conducting rod and the expansion and contraction conducting rod are connected with a first conducting block and a second conducting block respectively, because the expansion and contraction conducting rod is of an expansion and contraction structure, when too much dust is adhered to the inside of the dust absorption ventilation pipe, the ventilation effect is poor to cause the temperature inside the box body to rise, and the expansion and contraction conducting rod expands after sensing temperature change, so as to drive the second conducting block to approach the first conducting block, when the first conducting block is contacted with the second conducting block, the charges with different polarities on the surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer can be mutually neutralized, so that the charges on the surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer are eliminated, the dust of first electrostatic adsorption layer and the adhesion of second electrostatic adsorption layer inner surface can partly drop, guarantees ventilation effect.
Further, expend with heat and contract with cold conducting rod is including sealed inner tube and the outer tube that cup joints, and inner tube and outer tube are made by electrically conductive heat conduction material, inner tube and outer tube intussuseption are filled with expend with heat and contract with cold medium, and its self expands when expend with heat and contract with cold medium sense heat to with the ejecting one section distance of inner tube, realize flexible regulation.
Furthermore, the open-ended one end of air-supply line extends to the base outside, and air-supply line open-ended one end is connected with the wind scooper, the inside of wind scooper is fixed with the primary filter screen, carries out prefilter through the primary filter screen that sets up in the inside of wind scooper, thereby avoids the phenomenon of inconvenient clearance of the inside entering dust absorption ventilation pipe of hair etc. to cause.
Further, go out inside tuber pipe open-ended one end extends to the base, and go out tuber pipe open-ended one end and be connected with the blowback fan, after block terminal work a period, open the blowback fan of both sides, utilize the blowback air current of blowback fan to blow off the inside absorbent dust of dust absorption ventilation pipe, avoid a large amount of dusts to lead to the not good phenomenon of block terminal inside ventilation, guarantee the continuation of block terminal and ventilate.
Further, be fixed with a plurality of heat conduction posts on the inner wall of box, heat conduction post one end extends to inside the box, and inside the other end extends to the cavity, utilizes heat conduction post can be with the inside heat conduction of box inside to inside the cavity rapidly, makes expend with heat and contract with cold conducting rod in time sense the inside temperature of box and adjust.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the block terminal during operation, utilize the reverse air-supply line that sets up in both sides and go out the tuber pipe and ventilate, form the circulation air current inside the box, and the air current is in the inside abundant circulation of box, realize the inside heat dissipation of block terminal, when the air current gets into inside, utilize the electrostatic friction device and the dust absorption ventilation pipe looks friction that set up to make dust absorption ventilation pipe surface electrified, remove dust to the air current that gets into the box inside, realize carrying out the purpose of removing dust in ventilation cooling, and compare in filter screen and filter cloth dust removal among the prior art, the dust removal effect is better.
(2) When the dust-proof device is used for dust prevention, air flow enters the dust-absorption ventilation pipe from the air guide cover, the electrostatic friction device is driven by the driving mechanism on the sliding block to move up and down, the first friction layer and the second friction layer respectively rub with the first electrostatic adsorption layer and the second electrostatic adsorption layer in the moving process, the outer surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer generate electrostatic charges after rubbing for a period of time, an electric field generated by the charges can enable molecules of the inner layer to generate polarization, the polarization result is that the inner surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer have redundant electrostatic charges which are the same as the charges carried by the outer surfaces, the generated electrostatic charges are utilized to generate an electrostatic adsorption effect on dust in the air flow, the dust is removed, and the purpose of full dust removal is achieved.
(3) The first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively made of glass and rubber, the first friction layer and the second friction layer are respectively made of silk and fur, and after the first friction layer and the second friction layer are respectively rubbed with the first electrostatic adsorption layer and the second electrostatic adsorption layer, the surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively provided with positive charges and negative charges, and electrostatic adsorption is performed by utilizing the generated positive charges and the generated negative charges.
(4) The first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively made of rubber and glass, the first friction layer and the second friction layer are respectively made of fur and silk, and after the first friction layer and the second friction layer are respectively rubbed with the first electrostatic adsorption layer and the second electrostatic adsorption layer, the surfaces of the first electrostatic adsorption layer and the second electrostatic adsorption layer are respectively provided with negative charges and positive charges, and electrostatic adsorption is carried out by utilizing the generated positive charges and the negative charges.
(5) First static adsorbed layer, second static adsorbed layer and the antistatic seal chamber inside that the electric connection pipe formed of insulation evenly cover have many to adsorb the hair follicle, utilize many to adsorb the hair follicle of cover and effectively reduce the velocity of flow of air current in the pipeline to make the air that has the dust and first static adsorbed layer, the abundant contact of second static adsorbed layer inner wall, guarantee dust adsorption effect.
(6) Because expend with heat and contract with cold conducting rod is expend with heat and contract with cold structure, when the inside adhesion dust of dust absorption ventilation pipe was too much, thereby the ventilation effect variation leads to the inside temperature of box to rise, expend with heat and contract with cold conducting rod response temperature change back inflation, thereby it is close to toward first conducting block to drive the second conducting block, when first conducting block and the contact of second conducting block, the different electric charges of polarity that first electrostatic adsorption layer and second electrostatic adsorption layer surface had can neutralize each other, thereby make the electric charge elimination on first electrostatic adsorption layer and second electrostatic adsorption layer surface, the dust of first electrostatic adsorption layer and the adhesion of second electrostatic adsorption layer inner surface can partly drop, guarantee the ventilation effect.
(7) Expend with heat and contract with cold conducting rod is including sealed inner tube and the outer tube that cup joints, and inner tube and outer tube are made by electrically conductive heat conduction material, and inner tube and outer tube intussuseption are filled with expend with heat and contract with cold medium, and its self expands when expend with heat and contract with cold medium senses the heat to with the ejecting one section distance of inner tube, realize flexible regulation.
(8) Preliminary filtration is carried out through the preliminary filtration net that sets up inside the wind scooper, thereby avoids hair etc. to get into the inside phenomenon that causes inconvenient clearance of dust absorption ventilation pipe.
(9) After the block terminal worked a period, open the blowback fan of both sides, utilize the blowback air current of blowback fan to blow off the inside absorbent dust of dust absorption ventilation pipe, avoid a large amount of dust to lead to the not good phenomenon of block terminal inside ventilation, guarantee the continuous ventilation of block terminal.
(10) Utilize the heat conduction post can be with inside heat conduction to the cavity of box rapidly, make expend with heat and contract with cold conducting rod in time sense the inside temperature of box and adjust.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the construction of the suction duct and the electrostatic friction device according to the present invention;
FIG. 3 is a top view of the interior of the suction air duct of the present invention;
FIG. 4 is a top view of the interior of the electrostatic friction device of the present invention;
fig. 5 is a simulation diagram of the state of the present invention during operation.
The reference numbers in the figures illustrate:
the air-conditioner comprises a base 1, a partition plate 101, a vent hole 102, a box body 2, a cavity 3, a support rod 4, an air inlet pipe 5, an air guide cover 6, an air outlet pipe 7, a dust-absorbing ventilation pipe 8, a support skeleton 801, a first electrostatic adsorption layer 802, a second electrostatic adsorption layer 803, a hair follicle 804 adsorption layer, a conductive rod 805, a first conductive block 806, a conductive rod 807 expanding with heat and contracting with cold, a second conductive block 808, an 809 insulation antistatic connecting pipe, a static friction device 9, a 901 support frame, a first friction layer 902, a second friction layer 903, a connecting block 904, a sliding rail 10, a sliding block 11, a reverse blowing fan 12 and a heat-conducting column 13.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, an outdoor dustproof distribution box with a self-cleaning function comprises a base 1 and a box body 2 fixed on the upper surface of the base 1, wherein a plurality of partition plates 101 are fixed inside the box body 2, a plurality of vent holes 102 are formed in the partition plates 101, cavities 3 are formed in the left side wall and the right side wall of the box body 2, support rods 4 are fixed on the inner top and the inner bottom of each cavity 3, an air inlet pipe 5 and an air outlet pipe 7 are fixed inside each cavity 3, the air inlet pipe 5 and the air outlet pipe 7 are respectively connected with the end parts of the two support rods 4, the air inlet pipe 5 and the air outlet pipe 7 in the cavities 3 on the two sides are arranged in a reverse direction, a dust collection ventilation pipe 8 is connected between the air inlet pipe 5 and the air outlet pipe 7, the top end and the bottom end of the dust collection ventilation pipe 8 are respectively communicated with the air inlet pipe 5 and the air outlet, a slide rail 10 is fixed on the inner side wall of the cavity 3, a slide block 11 is connected on the slide rail 10 in a sliding manner, a driving mechanism for driving the slide block 11 to slide along the slide rail 10 is arranged on the slide block 11, and the slide block 11 is fixedly connected with the electrostatic friction device 9.
Please refer to fig. 1 and 5, when the distribution box works, the air inlet pipe 5 and the air outlet pipe 7 which are reversely arranged on two sides are utilized to ventilate, circulating air flow is formed inside the box body 2, and the air flow is fully circulated inside the box body 2, so as to realize the heat dissipation inside the distribution box, when the air flow enters 8, the surface of the dust absorption ventilation pipe 8 is electrified by utilizing the friction between the arranged electrostatic friction device 9 and the dust absorption ventilation pipe 8, the air flow entering the box body 1 is dedusted, the purpose of dedusting while ventilating and radiating is realized, and compared with the filtering net and the filtering cloth dedusting in the prior art, the dedusting effect is better.
Referring to fig. 1-4, the dust collection ventilation pipe 8 includes two semicircular supporting frameworks 801, the external portions of the supporting frameworks 801 are respectively wrapped by a semicircular first electrostatic adsorption layer 802 and a semicircular second electrostatic adsorption layer 803, an insulating antistatic connection pipe 809 is connected between the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803, the first electrostatic adsorption layer 802, the second electrostatic adsorption layer 803 and the insulating antistatic connection pipe 809 form a sealed cavity, the electrostatic friction device 9 includes a supporting framework 901 matching with the sealed cavity, the inner wall of the supporting framework 901 is covered by a semicircular first friction layer 902 and a semicircular second friction layer 903, the first friction layer 902 and the second friction layer 903 are respectively attached to the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803, the charges of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 which are rubbed and charged by the first friction layer 902 and the second friction layer 903 are opposite, connecting block 904 is connected between first friction layer 902 and second friction layer 903. When in dustproof work, airflow enters the dust collection ventilation pipe 8 from the air guide cover 6, the electrostatic friction device 9 is driven by a driving mechanism on the sliding block 11 to move up and down, the first friction layer 902 and the second friction layer 903 respectively rub with the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 in the moving process, electrostatic charges are generated on the outer surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 after the friction is carried out for a period of time, molecules of the inner layer can be polarized by an electric field generated by the charges, and as a result of the polarization, the inner surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 have redundant electrostatic charges which are the same as the charges on the outer surfaces, and the generated electrostatic charges generate an electrostatic adsorption effect on dust in the airflow to remove the dust and achieve the purpose of fully removing the dust.
Referring to fig. 1 to 4, the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 are made of glass and rubber, the first friction layer 902 and the second friction layer 903 are made of silk and fur, respectively, and after the first friction layer 902 and the second friction layer 903 are rubbed with the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803, respectively, the surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 are respectively charged with positive charges and negative charges, and electrostatic adsorption is performed by using the generated positive charges and negative charges.
Referring to fig. 1 to 4, the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 are made of rubber and glass, the first friction layer 902 and the second friction layer 903 are made of fur and silk, respectively, and after the first friction layer 902 and the second friction layer 903 are rubbed with the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803, respectively, the surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 are charged with negative charges and positive charges, respectively, and electrostatic adsorption is performed by using the generated positive charges and negative charges.
Referring to fig. 2-3, a plurality of adsorption hair follicles 804 are uniformly covered inside a sealed cavity formed by the first electrostatic adsorption layer 802, the second electrostatic adsorption layer 803 and the insulating antistatic connection pipe 809, and the flow rate of the air flow in the pipeline is effectively reduced by the plurality of adsorption hair follicles 804 covered, so that the air with dust is fully contacted with the inner walls of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803, and the dust adsorption effect is ensured.
Referring to fig. 2-3, an insulating antistatic connection tube 809 is provided therein with a conductive rod 805 and a conductive rod 807 with expansion and contraction, and the conductive rod 805 and the conductive rod 807 with expansion and contraction are respectively fixedly connected to the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803, the ends of the conductive rod 805 and the conductive rod 807 with expansion and contraction are respectively connected to a first conductive block 806 and a second conductive block 808, since the conductive rod 807 with expansion and contraction is of an expansion and contraction structure, when too much dust adheres to the inside of the suction ventilation tube 8, the ventilation effect is deteriorated to increase the temperature inside the housing 2, the conductive rod 807 with expansion and contraction senses the temperature change and then expands, thereby driving the second conductive block 808 to approach the first conductive block 806, when the first conductive block 806 contacts the second conductive block 808, the charges with different polarities on the surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 are mutually neutralized, therefore, the charges on the surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 are eliminated, and the dust adhered to the inner surfaces of the first electrostatic adsorption layer 802 and the second electrostatic adsorption layer 803 can partially drop, so that the ventilation effect is ensured.
Referring to fig. 2-3, the thermal expansion and contraction conductive rod 807 includes an inner tube and an outer tube, which are hermetically sleeved, and both the inner tube and the outer tube are made of conductive and heat conductive material, and thermal expansion and contraction media are filled in the inner tube and the outer tube, and expand when the thermal expansion and contraction media sense heat, so that the inner tube is ejected out for a distance, and telescopic adjustment is realized.
Referring to fig. 1 and 5, an open end of the air inlet pipe 5 extends to the outside of the base 1, an air guiding cover 6 is connected to the open end of the air inlet pipe 5, a primary filter screen is fixed inside the air guiding cover 6, and primary filtering is performed through the primary filter screen arranged inside the air guiding cover 6, so that the phenomenon that hairs and the like enter the inside of the dust collection ventilation pipe 8 and are inconvenient to clean is avoided.
Please refer to fig. 1 and 5, an open end of the air outlet pipe 7 extends to the inside of the base 1, and the open end of the air outlet pipe 7 is connected with the back-blowing fan 12, after the distribution box works for a period of time, the back-blowing fans 12 on both sides are opened, the back-blowing airflow of the back-blowing fan 12 is utilized to blow out the dust absorbed in the dust absorption ventilation pipe 8, so as to avoid the phenomenon that the ventilation in the distribution box is not good due to a large amount of dust, and ensure the continuous ventilation of the distribution.
Referring to fig. 1 and 5, a plurality of heat conducting columns 13 are fixed on the inner wall of the box body 2, one end of each heat conducting column 13 extends into the box body 2, and the other end of each heat conducting column 13 extends into the cavity 3, so that heat inside the box body 2 can be rapidly conducted into the cavity 3 by the heat conducting columns 13, and the heat expansion and contraction conductive rod 807 senses the temperature inside the box body 2 in time and adjusts the temperature.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an outdoor dustproof block terminal with self-cleaning function, includes base (1) and fixes box (2) at base (1) upper surface, its characterized in that: the utility model discloses a dust collection ventilation device, including box (2), cavity (3), bracing piece (4), air-out pipe (7), air-out pipe (5), air-out pipe (7), air-out pipe (5) and end connection with two bracing pieces (4) respectively, both sides air-out pipe (5) and air-out pipe (7) reverse arrangement in cavity (3), be connected with dust collection ventilation pipe (8) between air-out pipe (7) and air-in pipe (5), and the top and the bottom of dust collection ventilation pipe (8) are linked together with air-out pipe (7) respectively, the outside of dust collection ventilation pipe (8) is provided with static friction device (9) that sets up with laminating of dust collection ventilation pipe (8), be fixed with slide rail (10) on the inside wall of cavity (3), sliding connection has slider (11) on slide rail (10), be equipped with its gliding actuating mechanism along slide rail (10) of drive on slider (11), slider (11) and electrostatic friction device (9) fixed connection.
2. The outdoor dustproof distribution box with the self-cleaning function of claim 1, characterized in that: the dust collection ventilation pipe (8) comprises two semicircular supporting frameworks (801), semicircular first static adsorption layers (802) and second static adsorption layers (803) are respectively wrapped outside the supporting frameworks (801), an insulating antistatic connecting pipe (809) is connected between the first static adsorption layers (802) and the second static adsorption layers (803), the first static adsorption layers (802), the second static adsorption layers (803) and the insulating antistatic connecting pipe (809) form a sealed cavity, the static friction device (9) comprises a supporting framework (901) matched with the sealed cavity, semicircular first friction layers (902) and second friction layers (903) are covered on the inner wall of the supporting framework (901), and the first friction layers (902) and the second friction layers (903) are respectively attached to the first static adsorption layers (802) and the second static adsorption layers (803), the first electrostatic adsorption layer (802) and the second electrostatic adsorption layer (803) are subjected to frictional electrification by the first friction layer (902) and the second friction layer (903) and have opposite charges, and a connecting block (904) is connected between the first friction layer (902) and the second friction layer (903).
3. The outdoor dustproof distribution box with the self-cleaning function of claim 2, characterized in that: the first electrostatic adsorption layer (802) and the second electrostatic adsorption layer (803) are respectively made of glass and rubber, and the first friction layer (902) and the second friction layer (903) are respectively made of silk and fur.
4. The outdoor dustproof distribution box with the self-cleaning function of claim 2, characterized in that: the first electrostatic adsorption layer (802) and the second electrostatic adsorption layer (803) are respectively made of rubber and glass, and the first friction layer (902) and the second friction layer (903) are respectively made of fur and silk.
5. The outdoor dustproof distribution box with the self-cleaning function of claim 2, characterized in that: a plurality of adsorption hair follicles (804) are uniformly covered in a sealed cavity formed by the first electrostatic adsorption layer (802), the second electrostatic adsorption layer (803) and the insulating antistatic connecting pipe (809).
6. The outdoor dustproof distribution box with the self-cleaning function of claim 2, characterized in that: insulating antistatic connecting pipe (809) inside conducting rod (805) and expend with heat and contract with cold conducting rod (807) are equipped with, and conducting rod (805) and expend with heat and contract with cold conducting rod (807) respectively with first electrostatic adsorption layer (802) and second electrostatic adsorption layer (803) fixed connection, the tip of conducting rod (805) and expend with heat and contract with cold conducting rod (807) is connected with first conductive piece (806) and second conductive piece (808) respectively.
7. The outdoor dustproof distribution box with the self-cleaning function of claim 6, wherein: the expansion and contraction conductive rod (807) comprises an inner pipe and an outer pipe which are hermetically sleeved, the inner pipe and the outer pipe are made of conductive and heat conductive materials, and expansion and contraction media are filled in the inner pipe and the outer pipe.
8. The outdoor dustproof distribution box with the self-cleaning function of claim 1, characterized in that: one end of the opening of the air inlet pipe (5) extends to the outer side of the base (1), one end of the opening of the air inlet pipe (5) is connected with an air guide cover (6), and a primary filter screen is fixed inside the air guide cover (6).
9. The outdoor dustproof distribution box with the self-cleaning function of claim 1, characterized in that: the one end that goes out tuber pipe (7) open-ended extends to inside base (1), and goes out tuber pipe (7) open-ended one end and be connected with blowback fan (12).
10. The outdoor dustproof distribution box with the self-cleaning function of claim 1, characterized in that: a plurality of heat conduction columns (13) are fixed on the inner wall of the box body (2), one ends of the heat conduction columns (13) extend into the box body (2), and the other ends of the heat conduction columns extend into the cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221029.4A CN112421445A (en) | 2020-11-05 | 2020-11-05 | Outdoor dustproof distribution box with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221029.4A CN112421445A (en) | 2020-11-05 | 2020-11-05 | Outdoor dustproof distribution box with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112421445A true CN112421445A (en) | 2021-02-26 |
Family
ID=74827925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011221029.4A Withdrawn CN112421445A (en) | 2020-11-05 | 2020-11-05 | Outdoor dustproof distribution box with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112421445A (en) |
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| CN113441239A (en) * | 2021-06-03 | 2021-09-28 | 李星星 | Concrete circulation breaker |
| CN113856380A (en) * | 2021-09-13 | 2021-12-31 | 张家港华达码头有限公司 | Wharf dust suppression device |
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