CN112739179A - Avionic device ventilation cooling device and method - Google Patents

Avionic device ventilation cooling device and method Download PDF

Info

Publication number
CN112739179A
CN112739179A CN202110134246.8A CN202110134246A CN112739179A CN 112739179 A CN112739179 A CN 112739179A CN 202110134246 A CN202110134246 A CN 202110134246A CN 112739179 A CN112739179 A CN 112739179A
Authority
CN
China
Prior art keywords
control cabinet
drive
ventilation cooling
plate
dust collecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110134246.8A
Other languages
Chinese (zh)
Inventor
张贺磊
张翼
耿直
郭霄
张翔
于浩森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University of Aeronautics
Original Assignee
Zhengzhou University of Aeronautics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou University of Aeronautics filed Critical Zhengzhou University of Aeronautics
Priority to CN202110134246.8A priority Critical patent/CN112739179A/en
Publication of CN112739179A publication Critical patent/CN112739179A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/50Cleaning by methods involving the use of tools involving cleaning of the cleaning members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B6/00Cleaning by electrostatic means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20381Thermal management, e.g. evaporation control

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention provides a ventilating and cooling device and a ventilating and cooling method for avionic equipment, which better solve the problem that the electrostatic dust removal equipment only adopts rapping to clean dust, so that the time consumption is longer, and a first scraper plate continuously reciprocates on the surface of a dust collecting plate through continuous swinging of an eccentric plate, so that dust is scraped off, and then the first scraper plate is matched with a first telescopic rod on a rotating shaft, so that the dust on the surface of the dust collecting plate is cleaned more quickly and thoroughly; according to the invention, the second scraper plate is arranged on the first scraper plate, and after the first scraper plate stops moving on the dust collecting plate, the second lead screw is rotated in a reciprocating manner through the matching of the long rod and the wedge-shaped rod, so that the second scraper plate slides in a reciprocating manner on the working surface of the first scraper plate, and dust remained on the first scraper plate is scraped off again; the invention is also provided with dehumidification equipment to avoid the cooled air from meeting with the hot air in the electronic equipment to generate condensed water, so that the electronic equipment generates short circuit.

Description

Avionic device ventilation cooling device and method
Technical Field
The invention relates to the technical field of avionic equipment, in particular to a ventilation cooling device of avionic equipment.
Background
With the rapid development of modern technology, the electronic devices of advanced aircraft are increasing, the power is increasing, and when the electronic devices on the aircraft are in operation, the power loss of components is usually expressed in the form of heat energy dissipation, so that a large amount of heat energy is emitted, the internal temperature of the devices is increasing, and the temperature change has obvious influence on the failure of the components, so that it is important to cool the electronic devices, the electronic devices which need to be cooled often comprise a control panel in a control type and a control cabinet in a bottom cabin, the cooling mode which is usually adopted at present is ventilation cooling, compressed air is transmitted into the electronic devices which need to be cooled through an air compressor, or cooling air is introduced into the cabin to ventilate and cool the electronic devices, but when cooling air is introduced into the electronic devices, the dust and other substances attached to the air are inevitably brought into the electronic equipment, and dust particles of the dust are easy to agglomerate and settle around the electrical equipment due to the charge property (90-95% of the dust particles floating in the air are positively or negatively charged), so that the electrical distance is reduced, the insulation strength of the electrical equipment is damaged, and electrical breakdown short-circuit accidents are easily caused in the process of overvoltage of a line or electrical operation, so that the dust removal treatment on cooling air is required while ventilation and cooling are carried out;
the air dust removal mode that often adopts is electrostatic dust removal, it is by electric separation when passing through high voltage electrostatic field (projecting pole) with dirty gas, dust particle and anion combine to charge negatively the back, tend positive pole (dust collecting plate) surface discharge and deposit, but can influence its adsorptivity to the dust behind the positive pole surface deposit certain thickness, therefore this equipment need clear up the dust collecting plate surface after using for a certain time, and electrostatic dust removal equipment generally adopts to shake and beats, but this kind of mode not only spends the time longer, and the clearance effect is not ideal, therefore design one kind can be in the ventilation cooling in-process fast and better clearance collection dirt device just seem to be more important.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the ventilating and cooling device and the ventilating and cooling method for the avionic device.
The specific technical scheme is as follows:
the utility model provides an avionics equipment ventilation cooling equipment, includes the switch board, a serial communication port, it sets up a plurality of groups electrostatic precipitator equipment, a plurality of groups to be provided with ventilation cooling pipe and ventilation cooling pipe top horizontal interval on the switch board diapire electrostatic precipitator equipment includes that dust collecting plate and transmitting plate and the interior dust collecting plate below longitudinal rotation of horizontal one side of switch board install first lead screw and a plurality of first lead screw through first chain drive connection, horizontal one end first lead screw is started by the switching that first drive arrangement drive and first drive arrangement can control ventilation cooling pipe and the rotation interval of first lead screw, and is a plurality of first lead screw-thread fit has and rotates on mounting bracket and the mounting bracket with switch board longitudinal sliding fit installs the eccentric plate, the eccentric plate makes the reciprocal swing of eccentric plate through reciprocating device drive and reciprocating device, on the eccentric plate non-coaxial heart rotate install connecting rod and the other end rotate install with the first scraper blade of dust collecting plate surface laminating The scraper blade is characterized in that a rotating shaft is rotatably arranged on the first scraper blade in a longitudinal direction towards the first chain transmission mode, a plurality of first telescopic rods are alternately arranged on the rotating shaft at vertical intervals, and the rotating shaft is connected with one end of the connecting rod and one end of the scraper blade in a rotating fit mode through first belt transmission.
Preferably, a second screw rod is vertically and rotatably arranged between the rotating shaft and the connecting rod on the scraper, the second screw rod is in threaded fit with a second scraper which is in sliding fit with the first scraper, the upper end of the first scraper is provided with a supporting plate which is in longitudinal sliding fit with the control cabinet, a sector bevel gear is rotatably arranged on the supporting plate, a first torsion spring is connected between the fan-shaped helical gear and the supporting plate, and the fan-shaped helical gear is matched with a cleaning helical gear which rotates coaxially with the second screw rod, a long rod extends along the radial direction at the rotating matching part of the fan-shaped helical gear and the support plate, a first stop lever is arranged at one side of the support plate which is longitudinally far away from the first chain transmission, one side of the control cabinet, which is longitudinally far away from the first chain transmission, is provided with a plurality of wedge-shaped rods which are in transverse sliding fit with the control cabinet, a first spring is arranged between each wedge-shaped rod and the control cabinet, and the wedge-shaped rods are in one-to-one correspondence with the long rods.
Preferably, the first driving device comprises a driving lead screw which is longitudinally and rotatably arranged in the control cabinet below the first lead screw at one transverse end, the driving lead screw is driven by a first motor fixedly arranged on one side of the control cabinet on the first chain transmission, the driving screw is in threaded fit with a driving helical rack which is in longitudinal sliding fit with the inner wall of the control cabinet, the driving helical rack is in fit with a driving helical gear which is rotatably arranged on one lateral side of the control cabinet and is close to the first motor, the driving bevel gear is connected with a driving bevel gear which is rotatably arranged on the control cabinet through a second belt in a transmission way, the driving bevel gear is engaged with a driving driven bevel gear which is sleeved and fixed at one end of the first screw rod which is longitudinally close to the first motor, the driving helical rack is connected with an opening and closing device, the opening and closing device is matched with a ventilation cooling pipe and an electrostatic dust removal device, and the driving helical rack, the driving helical gear and the opening and closing device are matched to meet the following requirements: when the driving helical rack moves towards the direction close to the first motor, the ventilation cooling pipe is controlled to be closed, then the electrostatic dust collection equipment is controlled to be powered off, and finally the driving helical rack is driven to rotate.
Preferably, the opening and closing device comprises a first helical gear system arranged on one side of the driving helical gear, which is transversely deviated from the driving helical gear, and the first helical gear system is matched with an opening and closing helical gear which is rotatably installed at the opening end of the ventilation cooling pipe;
the driving helical rack is provided with an opening and closing sliding block in a longitudinal sliding mode on one side, away from the first motor, and a third spring is connected between the opening and closing sliding block and the driving helical rack.
Preferably, the reciprocating device comprises a transmission helical gear which coaxially rotates with the eccentric plate and is positioned above the wedge-shaped rod, a second torsion spring is arranged between the transmission helical gear and the mounting plate, and a plurality of groups of transmission helical gear systems matched with the transmission helical gear are longitudinally arranged on the control cabinet at intervals.
Preferably, the lower ends of the dust collecting plates are provided with dust collecting grooves, the upper ends of the dust collecting grooves are longitudinally slidably provided with dust collecting ports, one side of the control cabinet, which is longitudinally close to the first chain transmission, is provided with telescopic pipes, the extending ends of the telescopic pipes are communicated with the dust collecting ports, the fixed ends of the telescopic pipes are communicated with a dust collecting device, the dust collecting device is communicated with the dust collecting grooves, and the lower ends of the first scraping plates are provided with pushing plates attached to the dust collecting grooves.
Preferably, two sets of dehumidification devices are symmetrically arranged in the control cabinet and are driven by a second driving device;
dehydrating unit includes that four rotate and installs the sprocket and four sprocket positions on the switch board and be the rectangle setting, one the sprocket is connected with second drive arrangement and four sprockets are connected with the chain jointly, the interval is provided with and has placed the desiccant in receiver and the receiver on the chain.
Preferably, vertical interval is provided with a plurality of condenser pipes and a plurality of condenser pipe input end is located the switch board and is provided with the solenoid valve outside in the switch board, vertical interval is provided with a plurality of reciprocal lead screws and a plurality of reciprocal lead screws of corresponding with the condenser pipe one-to-one in the switch board and is connected with second drive arrangement jointly through second chain drive, interval drive sprocket rotates when second drive arrangement can drive reciprocal lead screw pivoted, reciprocal lead screw thread fit has and is provided with temperature sensor on the detection slider and the detection slider with switch board lateral sliding fit.
Preferably, the second driving device comprises a spaced helical gear and a spaced helical gear which rotate coaxially with the sprocket at one end of the upper end of the control cabinet, the spaced helical gear is matched with a single-tooth helical gear which is rotatably installed on the control cabinet, the single-tooth helical gear rotates coaxially with a spaced driven bevel gear and the spaced driven bevel gear is meshed with a spaced driving bevel gear which is rotatably installed on the control cabinet, and the spaced driving bevel gear is in chain transmission connection with the second chain and is driven by a second motor which is fixedly installed on the control cabinet.
Preferably, the method of use has the steps of:
(1) cooling air is delivered into the ventilation cooling duct by an air compressor or the ventilation cooling duct is connected to the cabin so that cooling air can enter the ventilation cooling duct;
(2) starting a ventilation cooling pipe, and conveying cooling air into the control cabinet to cool the electronic equipment;
(3) extracting the heat-exchanged gas in the control cabinet out of the control cabinet by using negative pressure equipment, and conveying the gas into a gas discharge pipeline to be discharged out of the engine room;
(4) if the regional temperature rise of the electronic equipment is detected, opening a corresponding electromagnetic valve, and introducing a condensing agent to carry out cooling treatment on the electronic equipment;
(5) and after the temperature is recovered, closing the electromagnetic valve, and recovering the condensing agent in the condensing pipe through the output pipe.
The invention has the beneficial effects that: (1) the invention better solves the problem that the electrostatic dust removal equipment only adopts rapping to clean dust, so that the time consumption is longer, the first scraper continuously reciprocates on the surface of the dust collecting plate through the continuous swing of the eccentric plate, so that the dust is scraped off, and then the first scraper is matched with the first telescopic rod on the rotating shaft, so that the dust on the surface of the dust collecting plate is cleaned more quickly and thoroughly;
(2) according to the invention, the second scraper plate is arranged on the first scraper plate, and after the first scraper plate stops moving on the dust collecting plate, the second lead screw is rotated in a reciprocating manner through the matching of the long rod and the wedge-shaped rod, so that the second scraper plate slides in a reciprocating manner on the working surface of the first scraper plate, and dust remained on the first scraper plate is scraped off again;
(3) the invention is also provided with dehumidification equipment to avoid the cooled air from meeting with the hot air in the electronic equipment to generate condensed water, so that the electronic equipment generates short circuit;
(4) the invention is provided with the opening and closing device, and the driving helical gear is matched with the opening and closing device, so that when the driving helical gear moves towards the direction close to the first motor, the ventilation cooling pipe is closed firstly, then the power-off of the electrostatic dust collection equipment is controlled, and finally the driving helical gear is driven to rotate, thereby avoiding that the dust cannot be adsorbed because cooling air is still conveyed during cleaning;
(5) the invention adopts a mechanical mechanism to replace an electronic element, thereby avoiding the failure of the electronic element in the electrostatic dust collection equipment and the temperature rise of the electronic element in the control cabinet caused by the operation of the electronic element.
Drawings
FIG. 1 is an isometric, schematic view of the present invention;
FIG. 2 is a schematic view of the internal assembly of the control cabinet of the present invention;
FIG. 3 is a schematic view of the installation position of the electrostatic precipitator of the present invention;
FIG. 4 is a schematic view of the assembly of the vent cooling tube of the present invention;
FIG. 5 is a schematic view of the cleaning apparatus for electrostatic precipitator equipment according to the present invention assembled in a control cabinet;
FIG. 6 is a schematic view of a cleaning apparatus for an electrostatic precipitator according to the present invention;
FIG. 7 is a schematic view of a partially assembled cleaning apparatus according to the present invention;
FIG. 8 is a schematic top perspective view of the cleaning apparatus of the present invention;
FIG. 9 is a schematic view of a first flight of the present invention;
FIG. 10 is a schematic view of a second flight of the present invention;
FIG. 11 is a schematic view of a dust chute of the present invention;
FIG. 12 is a schematic view of the valve of the present invention;
FIG. 13 is a schematic view of the valve opening of the present invention;
FIG. 14 is a schematic view of the valve closure of the present invention;
FIG. 15 is a rear view of the present invention;
FIG. 16 is a partial schematic view taken at A of FIG. 15 in accordance with the present invention;
FIG. 17 is a schematic view of the ventilation cooling tubes and the condenser tubes of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of the embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 17. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Embodiment 1, this embodiment provides a ventilation cooling device for avionic devices, which is shown in fig. 1, and includes a control cabinet 1 disposed in a bottom cabin of an aircraft (a cabinet door is disposed on the control cabinet 1, and a negative pressure device is disposed at an upper end of the control cabinet 1, so that air in the control cabinet 1 is drawn to a gas exhaust pipeline, and the device is in a closed state during a cleaning process), and as shown in fig. 3 and 4, a ventilation cooling pipe 2 is disposed on a bottom wall of the control cabinet 1, and a plurality of exhaust holes are disposed on the ventilation cooling pipe 2, so that outside air is transmitted into the ventilation cooling pipe 2 through an air compressor, or cooling air in a cabin is directly transmitted into the ventilation cooling pipe 2, and is used as a cooling control to perform ventilation cooling treatment on electronic devices, and a plurality of groups of electrostatic dust removal devices are disposed above the ventilation cooling pipe 2 at intervals, each group of electrostatic dust removal equipment core equipment comprises a dust collecting plate 3 and an emission plate 4, wherein the dust collecting plate 3 and the emission plate 4 are both connected with an external power supply and are electrically connected with a controller, whether the dust collecting plate 3 and the emission plate 4 can be electrified or not can be controlled by the controller, as shown in figure 5, a first lead screw 5 is longitudinally and rotatably arranged below the dust collecting plate 3 on one transverse side in a control cabinet 1, the first lead screw 5 on one transverse end is driven by a first driving device, the first driving device can control the opening and closing of a ventilation cooling pipe 2 and the rotation interval starting of the first lead screw 5, a plurality of first lead screws 5 are connected through first chain transmission, so that the first lead screws 5 can be synchronously driven, each first lead screw 5 is in threaded fit with a mounting frame 6 in longitudinal sliding fit with the control cabinet 1, an eccentric plate 7 is rotatably arranged on the mounting frame 6, and the eccentric plate 7 is driven by a reciprocating device, the eccentric plate 7 can be reciprocated and swung by a reciprocating device, as shown in attached drawings 7 and 8, a connecting rod 8 is rotatably mounted on the eccentric plate 7 in a non-coaxial manner, a first scraper 9 attached to the surface of the dust collecting plate 3 is rotatably mounted at the other end of the connecting rod 8, so that the first scraper 9 can slide on the dust collecting plate 3 in a reciprocating and swinging manner during the reciprocating and swinging of the eccentric plate 7, a rotating shaft 10 is rotatably mounted on the first scraper 9 in a longitudinal direction facing to a first chain drive, a plurality of first telescopic rods 11 are alternately and vertically arranged on the rotating shaft 10 at intervals, the rotating shaft 10 is connected with the connecting rod 8 and one end of the scraper which is rotatably matched through a first belt drive, so that the rotating connection part of the connecting rod 8 and the first scraper 9 can also relatively rotate when the eccentric plate 7 reciprocates, and then the rotating shaft 10 can also reciprocally rotate along with the first belt drive, when the rotating shaft 10 rotates, the first telescopic rod 11 arranged on the rotating shaft 10 extends to the maximum sliding position in the direction away from the axis of the rotating shaft 10 under the action of centrifugal force (the size of the first telescopic rod 11 at this position is slightly about the distance from the axis of the rotating shaft 10 to the surface of the dust collecting plate 3), and when the first telescopic rod 11 contacts with the surface of the dust collecting plate 3, the dust collecting plate 3 is slightly vibrated, so that part of dust near the struck position is vibrated and falls off, and thus under the combined action of the first telescopic rod 11 and the first scraper 9, the dust on the surface of the dust collecting plate 3 is cleaned more thoroughly;
when the embodiment is used, the ventilation cooling pipe 2 is closed by the first driving device in advance, then the electrostatic dust removal device is closed by the controller (at the moment, the dust collecting plate 3 and the emission plate 4 are powered off), then the first lead screw 5 is driven by the first driving device to start rotating, so that the mounting frame 6 starts to slide longitudinally in the control cabinet 1, in the moving process of the mounting frame 6, the eccentric plate 7 is made to swing back and forth by the reciprocating device, the first scraper blade 9 is made to slide back and forth on the surface of the dust collecting plate 3 by the connecting rod 8, the rotating shaft 10 is also made to rotate back and forth by the first belt transmission, so that the plurality of first telescopic rods 11 swing along with the rotating shaft 10, so that the knocking and the rapping on the surface of the dust collecting plate 3 are started, part of dust falls off, and then the rest dust is completely scraped off under the action of the first scraper blade 9, make dust collecting plate 3's dust adsorption effect remain unchanged, after first scraper blade 9 removed the corresponding position of the driver's appearance lead screw other end, make first lead screw 5 antiport through first drive arrangement, thereby make mounting bracket 6 reset, after mounting bracket 6 etc. reset, through the circular telegram of controller control electrostatic precipitator equipment, then make ventilation cooling pipe 2 open and begin to let in cooling air in the electronic equipment through first drive arrangement, thereby begin to continue work.
Embodiment 2, on the basis of embodiment 1, when the first scraper 9 slides back and forth on the surface of the dust collecting plate 3 to clean dust, because the dust still has a certain adsorbability within a certain time after power failure, the dust falling from the dust collecting plate 3 inevitably remains on the inclined surface of the first scraper 9, and if the dust is not cleaned in time, the cleaning effect of the equipment is reduced, as shown in fig. 7, 8 and 9, we vertically and rotatably install a second lead screw 12 between a rotating shaft 10 and a connecting rod 8 on the scraper, and a second scraper 13 vertically and slidably engaged with the inclined surface of the first scraper 9 is screwed on the second lead screw 12, and a supporting plate 14 longitudinally and slidably engaged with the control cabinet 1 is arranged at the upper end of the first scraper 9, we rotatably install a fan-shaped helical gear 15 on the supporting plate 14, and a first torsion spring 16 is connected between the fan-shaped helical gear 15 and the supporting plate 14, and the sector bevel gear 15 and the supporting plate 14 are rotationally matched with each other along the radial direction, a long rod 18 extends along the radial direction, a wedge-shaped rod 20 is not contacted with a first stop rod 19, the supporting plate 14 is provided with the first stop rod 19 at the side which is far away from the first chain drive in the longitudinal direction, in the initial state, the long rod 18 is abutted against the first stop rod 19, the sector gear is enabled to rotate back and forth in a certain angle range through the matching of the first stop rod 19 and the first torsion spring 16, in addition, a plurality of wedge-shaped rods 20 which are transversely matched with the control cabinet 1 in a sliding mode are arranged at the side which is far away from the first chain drive in the longitudinal direction in the control cabinet 1, the wedge-shaped rods 20 are in one-to-one correspondence with the plurality of long rods 18, a first spring 21 is arranged between the wedge-shaped rods 20 and the control cabinet 1, the position of the wedge-shaped rods 20 is located at the side which is facing the first chain drive 9 in, after the mounting frame 6 moves a certain distance, the long rod 18 contacts the wedge rod 20, so that the wedge rod 20 is stressed to compress the first spring 21 until the long rod 18 is separated from the wedge rod 20, the wedge rod 20 is reset under the action of the first spring 21, in the process, as the long rod 18 abuts against the first shift rod 19, the sector gear cannot rotate, in the resetting process of the mounting frame 6, the long rod 18 contacts with one side opposite to the wedge surface of the wedge rod 20, so that the long rod 18 deflects to drive the sector bevel gear 15 to rotate, when the long rod 18 is separated from the wedge rod 20, the sector bevel gear 15 rotates to the maximum rotation angle, and when the sector gear rotates, the sector gear drives the cleaning bevel gear 17 which is meshed with the sector gear and fixedly sleeved on the upper end of the second lead screw 12 to rotate, after the long rod 18 is separated from the wedge rod 20, under the action of the first torsion spring 16, the sector gear resets, so that the cleaning bevel gear 17 meshed with the sector gear also resets, in the process of reciprocating rotation of the cleaning bevel gear 17, the second lead screw 12 is driven to rotate, so that the second scraper 13 in threaded fit with the second lead screw slides on the inclined surface of the first scraper 9 in a reciprocating manner once, and dust on the inclined surface of the first scraper 9 is scraped off;
in the embodiment, when in use, in an initial state, the mounting bracket 6 is located at a side of the driver screw shaft away from the first chain transmission, and the long rod 18 is also located at a side of the wedge rod 20 longitudinally away from the first chain transmission, in a process of resetting the mounting bracket 6, the long rod 18 contacts with the wedge rod 20 to deflect the sector bevel gear 15, so as to drive the cleaning bevel gear 17 to rotate, so that the second screw shaft 12 rotates to enable the second scraper 13 to vertically slide downwards on the inclined surface of the first scraper 9, after the long rod 18 is separated from the wedge rod 20, the sector gear resets under the action of the first torsion spring 16, and then the second screw shaft 12 is driven to rotate in the opposite direction through the cleaning bevel gear 17, so as to reset the second scraper 13, in this process, dust stained on the inclined surface of the first scraper 9 is scraped (the dust still has a certain adsorbability when power is cut off, and after the time of 6 reciprocating motion once of installation frame, the dust is influenced by 4 electric power of expelling plate and is reduced gradually for the adsorptivity reduces to disappearing, and the clearance effect is better again this moment).
Embodiment 3, on the basis of embodiment 1, referring to fig. 5 and fig. 6, the first driving device includes a driving lead screw 22 longitudinally and rotatably installed in the control cabinet 1 below the first lead screw 5 at one end in the transverse direction, the driving lead screw 22 is driven by a first motor 23 fixedly installed at one side of the control cabinet 1 at the first chain transmission side, the first motor 23 is connected with an external power supply and electrically connected with the controller, a driving helical rack 24 in longitudinal sliding fit with the inner wall of the control cabinet 1 is in threaded fit with the driving lead screw 22, the driving helical rack 24 is matched with a driving helical gear 25 rotatably installed at one side of the control cabinet 1 in the transverse direction close to the first motor 23, the driving helical gear 25 is connected with a driving bevel gear 26 rotatably installed on the control cabinet 1 through a second belt transmission, the driving bevel gear 26 is engaged with a driving driven bevel gear 27 fixedly installed at one end of the first lead screw 5 in the longitudinal direction close to the first motor 23, and the driving helical rack 24 is connected with a switching device and the switching device is connected with the ventilation cooling pipe 2 and the electrostatic dust collection equipment, through the driving helical rack 24 and the matching of the driving helical gear 25 and the switching device, when the driving helical rack 24 moves towards the direction close to the first motor 23, the ventilation cooling pipe 2 is controlled to be closed firstly, then the electrostatic dust collection equipment is controlled to be powered off, finally the driving helical gear 25 is driven to rotate to drive the mounting rack 6 to move towards the direction close to the first motor 23, when the driving helical rack 24 moves towards the direction far away from the first motor 23, the driving helical gear 25 is driven to rotate towards the opposite direction before so that the mounting rack 6 is reset, then the electrostatic dust collection equipment is controlled to be powered on, and finally the ventilation cooling pipe 2 is controlled to.
Embodiment 4, on the basis of embodiment 3, referring to fig. 6, 13 and 14, the opening and closing device includes a first helical gear system 28 disposed on one side of the driving helical gear 24 transversely departing from the driving helical gear 25, the first helical gear system 28 is matched with an opening and closing helical gear 29 rotatably mounted on an opening end of the ventilation cooling pipe 2, the opening and closing helical gear 29 is coaxially rotated by a valve 30 matched with an inner wall of the ventilation cooling pipe 2, a sector plate 31 is disposed at a lower end of the opening and closing helical gear 29, a second gear 32 matched with the sector plate 31 and a second telescopic rod 33 are symmetrically disposed on the ventilation cooling pipe 2, the second gear 32 is disposed on one side of the ventilation cooling pipe 2 close to the first motor 23, the second telescopic rod 33 is disposed on one side of the ventilation cooling pipe 2 departing from the first motor 23, the second telescopic rod 33 is vertically slidably matched with the ventilation cooling pipe 2, and a second spring 34 is connected between the second telescopic rod 33 and the ventilation cooling pipe 2, in addition, one end of the driving bevel rack 24, which is far away from the first motor 23, is positioned below the sector plate 31 and is provided with a wedge block 35, one side of the second telescopic rod 33, which faces the driving bevel rack 24, is provided with a round rod 36 matched with the wedge block 35, one side of the driving bevel rack 24, which is far away from the first motor 23, is longitudinally and slidably provided with an opening and closing slider 37, a third spring 38 is connected between the opening and closing slider 37 and the driving bevel rack 24, one side of the opening and closing slider 37, which is far away from the first motor 23, is provided with a pressure sensor, the pressure sensor is electrically connected with the electrostatic dust removal equipment, the output of the pressure sensor is an analog signal, the analog signal refers to a signal that an information parameter is represented as a continuous signal in a given range, or a characteristic quantity representing the information can be represented as a signal with, when the value is reached, the electrostatic dust collection equipment is in a power-on state, otherwise, the electrostatic dust collection equipment is powered off;
in the initial position, the driving helical rack 24 is located at one end of the driving screw 22 far away from the first motor 23, at this time, the opening and closing helical gear 29 is meshed with the first helical gear system 28 to enable the valve 30 to be in an open state, the second telescopic rod 33 is also located below the sector plate 31 to enable the second spring 34 to be in a compressed state, in addition, the opening and closing slider 37 is attached to the inner wall of the control cabinet 1 to enable the third spring 38 to be in a compressed state, at this time, the pressure sensor detects a large pressure signal to enable the electrostatic dust collection equipment to be electrified, when the dust collection plate 3 needs to be cleaned, the controller starts the first motor 23 to drive the driving screw 22 to rotate, so that the driving helical rack 24 moves towards the first motor 23, in the process, the first helical gear system 28 is gradually separated from the opening and closing helical gear 29 to enable the valve 30 to rotate, and after the first helical gear system 28 is separated from the opening, the valve 30 is closed, the sector plate 31 is also separated from the second expansion plate, under the action of the second spring 34, the expansion plate is extended to abut against the side wall of the sector plate 31 (refer to fig. 14), the other side wall of the sector plate 31 abuts against the second shift lever 32, at this time, the sector plate 31 is limited to enable the valve 30 to be limited, so that after the first helical gear system 28 is separated from the opening and closing helical gear 29, the valve 30 is not deflected under the force, and after the first helical gear system 28 is separated from the opening and closing helical gear 29, the opening and closing slide block 37 is separated from the side wall of the control cabinet 1, at this time, the pressure sensor can supply an electric signal to the electrostatic dust removal equipment to cut off the power, then the driving helical rack 24 is meshed with the driving helical gear 25 to drive the rotation of the helical gear 25, and then the driving bevel gear 26 is driven by the second belt transmission to drive the rotation of the driving bevel gear 27, thereby driving the first lead screw 5 to rotate, at this time, cleaning task is performed on the dust collecting plate 3, after the first motor 23 rotates for a certain angle, the driving helical rack 24 is separated from the driving helical gear 25, at this time, the first scraper 9 on the mounting frame 6 also moves to the other end of the dust collecting plate 3, then the first motor 23 rotates for the same angle in the opposite direction before that, so that the driving lead screw 22 drives the driving helical rack 24 to reset, and in this process, the driving helical rack 24 is firstly meshed with the driving helical gear 25 to make the first lead screw 5 rotate in the opposite direction before, so that the first scraper 9 resets, after the driving helical rack 24 is separated from the driving helical gear 25, the opening and closing slide block 37 is attached to the control side wall to make the pressure sensor stressed to send a point signal to the electrostatic dust removing device, so that the electrostatic dust removing device starts to be electrified, then the wedge block 35 contacts with the round rod 36 on the second telescopic rod 33 to make the second telescopic rod 33 contract, at the moment, one side of the sector plate 31 loses the limit, and finally, the first helical gear system 28 is meshed with the opening and closing helical gear 29 to enable the valve 30 to rotate until the first motor 23 is closed after the driving helical rack 24 is reset;
because the third spring 38 is in a compressed state and the first motor 23 is in an off state in the initial state, in order to avoid rotating the driving lead screw 22 under the effect of the elastic force of the third spring 38, the driving lead screw 22 should have self-locking property, that is, the thread self-locking condition is satisfied: the lead angle of the threads is less than the equivalent friction angle.
Embodiment 5, on the basis of embodiment 2, referring to fig. 7 and 8, the reciprocating device comprises a transmission helical gear 39 rotating coaxially with the eccentric plate 7 and located above the wedge rod 20, and a second torsion spring 40 is arranged between the transmission helical gear 39 and the mounting plate, several sets of transmission helical gear 41 cooperating with the transmission helical gear 39 are longitudinally arranged on the control cabinet 1 at intervals, during the longitudinal movement of the mounting frame 6, the transmission helical gear 39 will first engage with the transmission helical gear 41 to rotate, so that the eccentric plate 7 rotates therewith, then the connecting rod 8 drives the first scraper 9 to slide on the surface of the dust collecting plate 3, after the transmission helical gear 39 disengages from the set of transmission helical gear 41, the transmission helical gear 39 is reset under the action of the torsion spring, so that the eccentric plate 7 is reset, and then the first scraper 9 is returned to the initial position relative to the mounting frame 6 through the connecting rod 8, the first scraping plate 9 can be driven to slide on the dust collecting plate 3 in a reciprocating way, so that the cleaning purpose is realized.
Embodiment 6, on the basis of embodiment 5, referring to fig. 7, 9 and 11, in order to avoid that the scraped dust falls into the electronic device and affects the normal operation of the electronic device, we have a dust collecting groove 42 at the lower end of each dust collecting plate 3 and a push plate 56 attached to the dust collecting groove 42 at the lower end of the first scraping plate 9, so that when the first scraping plate 9 slides on the dust collecting plate 3 to clean the dust, the scraped dust is continuously pushed by the push plate 56 until the first scraping plate 9 pushes to one longitudinal end of the dust collecting groove 42, at this end, the dust collecting groove 42 is communicated with a dust collecting device and a negative pressure fan is arranged in the device, the dust pushed to one end of the dust collecting groove 42 is sucked into the collecting device by the wind pressure fan, and a dust suction port 43 is longitudinally slidably arranged at the upper end of the dust collecting groove 42, and the extension end of the extension pipe 44 and the dust suction port are arranged at one side of the control cabinet 1 longitudinally close to the first chain transmission, and the extension end of the extension pipe 43 and the fixed ends of the dust collecting groove 42 and the extension tube 44 are both communicated with the dust collecting device through a hose at the end extending out of the control cabinet 1, so that the dust scattered by the first scraper 9 hanging from the dust collecting plate 3 can be sucked into the dust collecting device through the dust suction port 43, and the cleaned dust can not fall into the control cabinet 1, and the dust collecting device is electrically connected with the controller, so that the dust collecting device is opened and closed along with the opening and closing of the first motor 23.
Embodiment 7, on the basis of embodiment 1, because the cooling control meets hot air, water vapor in the air is condensed to form water drops, and thus the electronic equipment is short-circuited, referring to fig. 2, two sets of dehumidifying devices are symmetrically arranged in a control cabinet 1, the water vapor in the electronic equipment is removed to a certain extent through an initial device, and the dehumidifying devices are driven by a second driving device;
the dehumidifying device comprises four chain wheels 45 rotatably mounted on the control cabinet 1, the four chain wheels 45 are arranged in a rectangular shape, a chain 46 is connected between the four chain wheels 45, two chain wheels 45 at the upper end are rotatably mounted at the upper end of the control cabinet 1, two chain wheels at the lower end are rotatably mounted above the electrostatic dust removing equipment, one chain wheel is positioned in the control cabinet 1, and the other chain wheel is positioned outside the control cabinet 1, one chain wheel 45 at the upper end of the control cabinet 1, which is far away from the symmetry axis of the control cabinet 1, is connected with a second driving device, the four chain wheels 45 can synchronously rotate through the second driving device, in addition, a plurality of short shafts are arranged on the chain 46 at intervals, a storage box 47 is rotatably mounted on each short shaft, dehumidifying agents are placed in each storage box 47, and the side wall of each storage box 47 is provided with small holes, so that, therefore, all the storage boxes 47 can be driven to move when the chain wheels 45 rotate, because the cooling air output by the ventilation cooling pipes 2 gradually exchanges heat with the hot air from bottom to top to enable the cooling air to be stably and gradually increased, the probability of water vapor condensed water condensation is lower as the ventilation cooling pipes go upwards in the control cabinet 1, the use condition of the dehumidifying agent placed at the lower end of the control cabinet 1 is different from that of the dehumidifying agent at the upper end, the dehumidifying agent at the lower end is more quickly consumed, four chain wheels 45 are arranged, the storage boxes 47 can intermittently move from bottom to top in the control cabinet 1 through the second driving device, after the storage box 47 at the lowest end in the control cabinet 1 is raised to a certain height originally, the storage box 47 outside the control cabinet 1 starts to enter the control cabinet 1 from the lowest end of the track of the chain 46, and the dehumidifying capacity of an area where the cooling air is just contacted with the hot air can be kept in the best state, and receiver 47 still can carry out dehumidification processing to this region after rising a take the altitude, although this moment the desiccant in this receiver 47 has the loss, but because the temperature of the cooling air of this regional contact has risen to some extent, the comdenstion water reduces appears, make this receiver 47 still can carry out dehumidification processing to this region, and after receiver 47 shifts out switch board 1 from switch board 1 upper end, the dehumidification agent in receiver 47 basically loses and finishes, also during initial condition consequently, we mark in switch board 1 bottom receiver 47, just staff's observation after this receiver 47 shifts to switch board 1, even convenient change the desiccant.
Embodiment 8, on the basis of embodiment 7, referring to fig. 2 and 17, a plurality of condensation pipes 48 are vertically arranged in a control cabinet 1 at intervals, an input end of one transverse end of each condensation pipe 48 is commonly communicated with an input pipe 58, an electromagnetic valve 57 is arranged at an input end of each condensation pipe 48 outside the control cabinet 1, the electromagnetic valve 57 is electrically connected with another controller, the opening and closing of the electromagnetic valve 57 can be controlled through the controller, namely the circulation of the condensing agent in the condensation pipe 48 is controlled, an output pipe 59 is commonly communicated with the other end of each condensation pipe 48, the used condensing agent can be recovered through the output pipe 59 for the next use, a plurality of reciprocating lead screws 49 corresponding to the condensation pipes 48 one by one are vertically arranged in the control cabinet 1, the reciprocating lead screws 49 are commonly connected with a second driving device through a second chain, the reciprocating lead screws 49 can move forward without changing the rotation direction of a main shaft, a lead screw which enables the slide block to realize reciprocating motion can drive the reciprocating lead screw 49 to rotate and simultaneously drive the chain wheel 45 to rotate at intervals through a second driving device, and the reciprocating screw 49 is in threaded fit with a detection slide block 50 which is in transverse sliding fit with the control cabinet 1, a temperature sensor is arranged on the detection slide block 50, the temperature sensor refers to a sensor which can sense temperature and convert the temperature into a usable output signal, the temperature sensor is electrically connected with a controller which is electrically connected with the electromagnetic valve 57, thus, when the second driving device drives the reciprocating lead screw 49 to rotate, the detection slide block 50 moves along with the reciprocating lead screw, so that the temperature sensor is reciprocally moved within the moving range of the reciprocating screw 49, so that when the temperature sensor detects that the temperature is high somewhere in the area, an electrical signal is sent to the controller which then controls the opening and closing of the corresponding solenoid valve 57 to control the local temperature.
Embodiment 9, on the basis of embodiment 8, referring to fig. 16, the second driving device includes a spaced helical gear 51 coaxially rotating with the sprocket 45 at one end of the upper end of the control cabinet 1 in the transverse direction, and the spaced helical gear 51 is matched with a single-tooth helical gear 52 rotatably mounted on the control cabinet 1, the single-tooth helical gear 52 is a gear with only one helical tooth, and the single-tooth helical gear 52 coaxially rotates with a spaced driven bevel gear 53, and the spaced driven bevel gear 53 is engaged with a spaced driving bevel gear 54 rotatably mounted on the control cabinet 1, and the spaced driving bevel gear 54 is chain-driven with the second chain and driven by a second motor 55 fixedly mounted on the control cabinet 1, and the second motor 55 is connected with an external power supply and electrically connected with a controller corresponding to the solenoid valve 57;
in the embodiment, when the temperature sensor is used, the second motor 55 drives the reciprocating screw rods 49 to rotate together through the second chain transmission, so that the detection slider 50 reciprocates within the movement range of the reciprocating screw rods 49, the detection range of the temperature sensor on the detection slider 50 is larger, in the process, the spaced driving bevel gear 54 also synchronously rotates, the spaced driven bevel gear 53 rotates along with the spaced driving bevel gear, so that the single-tooth bevel gear 52 is driven to rotate, the single-tooth bevel gear 52 rotates for one circle and is meshed with the spaced bevel gear 51 once to rotate for one tooth angle, so that the chain wheel 45 rotates for the same angle, so that the storage box 47 in the control cabinet 1 rises for a certain distance, and when a certain temperature sensor detects an excessively high temperature signal, a signal is given to the controller to stop the rotation of the second motor 55 and open the electromagnetic valve 57 corresponding to the second motor 55, the condensing agent is introduced into the corresponding condensing pipe 48, so that the temperature is reduced at an accelerated speed, after the temperature is reduced, the second motor 55 continues to rotate, and after the single-tooth helical gear 52 is separated from the spaced helical gear 51, the spaced helical gear 51 is in an unsupported state, so that the storage box 47 is made of a light and insulating material, and friction damping is arranged at the rotating connection part of each chain wheel 45 and the control cabinet 1, so that the chain wheels 45 cannot rotate easily after the single-tooth helical gear 52 is separated from the spaced helical gear 51.
Embodiment 10, on the basis of embodiments 1 to 9, this embodiment provides a method for using an avionics ventilation cooling device, having the following steps:
(1) cooling air is fed into the ventilation cooling duct 2 by an air compressor, or the ventilation cooling duct 2 is connected to the cabin so that cooling air can enter the ventilation cooling duct 2;
(2) starting the ventilation cooling pipe 2, and conveying cooling air into the control cabinet 1 to cool the electronic equipment;
(3) extracting the heat-exchanged gas in the control cabinet 1 out of the control cabinet 1 by using negative pressure equipment, and conveying the gas into a gas discharge pipeline to be discharged out of the engine room;
(4) when the temperature detection element detects that the electronic equipment is heated regionally, the corresponding electromagnetic valve 57 is opened, and a condensing agent is introduced to carry out cooling treatment on the electronic equipment;
(5) when the temperature is recovered, the electromagnetic valve 57 is closed, and the condensing agent in the condensing pipe 48 is recovered through the output pipe 59 and is cooled for the next use.
In the embodiment of the patent, the driving helical rack 24, the driving helical gear 25, the transmission helical gear 39, the transmission helical gear system 41, the sector helical gear 15, the cleaning helical gear 17, the opening and closing helical gear 29, the first helical gear system 28, the single-tooth helical gear 52 and the interval helical gear 51 are all helical gears, the phenomenon of tooth collision between gears from a disengaged state to an engaged state is avoided by using a point-and-plane engagement mode of helical gear engagement, and the control cabinet 1 is provided with a wiring hole.
The invention better solves the problem that the electrostatic dust removal equipment only adopts rapping to clean dust, so that the time consumption is longer, the first scraper blade 9 continuously reciprocates on the surface of the dust collecting plate 3 through the continuous swing of the eccentric plate 7, so that the dust is scraped off, and then the first scraper blade is matched with the first telescopic rod 11 on the rotating shaft 10, so that the dust on the surface of the dust collecting plate 3 is cleaned more quickly and thoroughly;
the second scraper blade 13 is arranged on the first scraper blade 9, after the first scraper blade 9 stops moving on the dust collecting plate 3, the second lead screw 12 is rotated in a reciprocating way through the matching of the long rod 18 and the wedge-shaped rod 20, so that the second scraper blade 13 slides in a reciprocating way on the working surface of the first scraper blade 9, and dust remained on the first scraper blade 9 is scraped off again;
the invention is also provided with dehumidification equipment to avoid the cooled air from meeting with the hot air in the electronic equipment to generate condensed water, so that the electronic equipment generates short circuit;
the invention is provided with the opening and closing device, the driving helical gear 24, the driving helical gear 25 and the opening and closing device are matched, so that when the driving helical gear 24 moves towards the direction close to the first motor 23, the ventilation cooling pipe 2 is firstly closed, then the power-off of the electrostatic dust removal equipment is controlled, and finally the driving helical gear 25 is driven to rotate, thereby avoiding that the dust cannot be adsorbed due to the fact that cooling air is still conveyed during cleaning;
the invention adopts a mechanical mechanism to replace an electronic element, thereby avoiding the failure of the electronic element in the electrostatic dust collection equipment and the temperature rise in the control cabinet 1 caused by the operation of the electronic element.
The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.

Claims (10)

1. The avionic equipment ventilation cooling equipment comprises a control cabinet (1) and is characterized in that a plurality of groups of electrostatic dust removal equipment are arranged on the bottom wall of the control cabinet (1) at intervals transversely above a ventilation cooling pipe (2), the electrostatic dust removal equipment comprises a dust collecting plate (3), an emission plate (4), a plurality of first lead screws (5) are longitudinally rotatably arranged below the dust collecting plate (3) on one transverse side in the control cabinet (1) and are connected through first chain transmission, the first lead screws (5) on one transverse end are driven by a first driving device, the first driving device can control the opening and closing of the ventilation cooling pipe (2) and the rotation interval starting of the first lead screws (5), a plurality of first lead screws (5) are in threaded fit with a mounting frame (6) in longitudinal sliding fit with the control cabinet (1) and are rotatably arranged on the mounting frame (6) and are provided with an eccentric plate (7), eccentric plate (7) make eccentric plate (7) reciprocating motion through reciprocating device drive and reciprocating device, eccentric plate (7) are gone up non-coaxial axle center and are rotated and install connecting rod (8) and connecting rod (8) other end and rotate and install first scraper blade (9) with dust collecting plate (3) surface laminating, vertical rotation is installed pivot (10) and is gone up vertical interval and is provided with a plurality of first telescopic links (11) in turn towards first chain drive on first scraper blade (9), pivot (10) are connected with the normal running fit one end of connecting rod (8) and scraper blade through first area transmission.
2. The avionics equipment ventilation cooling equipment according to claim 1, characterized in that a second lead screw (12) is vertically and rotatably installed on the scraper between the rotating shaft (10) and the connecting rod (8), a second scraper (13) in sliding fit with the first scraper (9) is in threaded fit with the second lead screw (12), a support plate (14) in longitudinal sliding fit with the control cabinet (1) is arranged at the upper end of the first scraper (9), a sector bevel gear (15) is rotatably installed on the support plate (14), a first torsion spring (16) is connected between the sector bevel gear (15) and the support plate (14), a cleaning bevel gear (17) which coaxially rotates with the second lead screw (12) is matched with the sector bevel gear (15), a long rod (18) extends along the radial direction at the part where the sector bevel gear (15) is rotatably matched with the support plate (14), and a first blocking rod (19) is arranged at one side of the support plate (14) which is longitudinally far away from the first chain drive, one side of the control cabinet (1) which is longitudinally far away from the first chain transmission is provided with a plurality of wedge-shaped rods (20) which are in transverse sliding fit with the control cabinet (1), a first spring (21) is arranged between each wedge-shaped rod (20) and the control cabinet (1), and the wedge-shaped rods (20) are in one-to-one correspondence with the long rods (18).
3. The avionics ventilation cooling device according to claim 1, characterized in that the first drive device comprises a drive screw (22) which is longitudinally and rotatably mounted in the control cabinet (1) below the first screw (5) at one transverse end, the drive screw (22) is driven by a first motor (23) which is fixedly mounted on one side of the control cabinet (1) on which the first chain is driven, the drive screw (22) is in threaded fit with a drive helical rack (24) which is in longitudinal sliding fit with the inner wall of the control cabinet (1), the drive helical rack (24) is in threaded fit with a drive helical gear (25) which is rotatably mounted on one transverse side of the control cabinet (1) close to the first motor (23), the drive helical gear (25) is connected via a second belt drive with a drive bevel gear (26) which is rotatably mounted on the control cabinet (1) and the drive bevel gear (26) is engaged with a drive driven bevel gear which is fixedly mounted on one end of the first screw (5) longitudinally close to the first motor (23) Bevel gear (27), drive helical rack (24) are connected with switching device and ventilation cooling pipe (2) and electrostatic precipitator equipment, drive helical rack (24), drive helical gear (25) and switching device cooperation satisfy: when the driving helical rack (24) moves towards the direction close to the first motor (23), the ventilation cooling pipe (2) is controlled to be closed, then the electrostatic dust collection equipment is controlled to be powered off, and finally the driving helical gear (25) is driven to rotate.
4. The avionics ventilation cooling device according to claim 3, characterized in that the opening and closing device comprises a first helical gear system (28) arranged on one side of the driving helical gear (24) transversely departing from the driving helical gear (25), the first helical gear system (28) is matched with an opening and closing helical gear (29) rotatably arranged at the opening end of the ventilation cooling pipe (2), the opening and closing helical gear (29) coaxially rotates to be provided with a valve (30) matched with the inner wall of the ventilation cooling pipe (2), the lower end of the opening and closing helical gear (29) is provided with a sector plate (31), the ventilation cooling pipe (2) is symmetrically provided with a second blocking rod (32) and a second telescopic rod (33) matched with the sector plate (31), the second telescopic rod (33) is vertically matched with the ventilation cooling pipe (2) in a sliding manner, and a second spring (34) is connected between the second telescopic rod (33) and the ventilation cooling pipe (2), a wedge-shaped block (35) is arranged below the sector plate (31) at one end of the driving bevel rack (24) departing from the first motor (23), and a round rod (36) matched with the wedge-shaped block (35) is arranged on one side, facing the driving bevel rack (24), of the second telescopic rod (33);
the driving bevel rack (24) is provided with an opening and closing sliding block (37) in a longitudinal sliding mode on one side deviating from the first motor (23), a third spring (38) is connected between the opening and closing sliding block (37) and the driving bevel rack (24), and a pressure sensor is arranged on one side deviating from the first motor (23) of the opening and closing sliding block (37).
5. The avionics ventilation cooling device according to claim 2, characterized in that the reciprocating device comprises a transmission bevel gear (39) which coaxially rotates with the eccentric plate (7) and is positioned above the wedge-shaped rod (20), a second torsion spring (40) is arranged between the transmission bevel gear (39) and the mounting plate, and a plurality of groups of transmission bevel gear systems (41) which are matched with the transmission bevel gear (39) are longitudinally arranged on the control cabinet (1) at intervals.
6. The avionic ventilation and cooling device according to claim 5, characterized in that a dust collecting groove (42) is formed in the lower end of each of the plurality of dust collecting plates (3), a dust collecting opening (43) is longitudinally slidably mounted in the upper end of each of the dust collecting grooves (42), an extension pipe (44) is longitudinally arranged in the control cabinet (1) on the side close to the first chain transmission, the extension end of the extension pipe (44) is communicated with the dust collecting opening (43), the fixed end of the extension pipe (44) is communicated with a dust collecting device which is communicated with the dust collecting groove (42), and a push plate (56) attached to the dust collecting groove (42) is arranged at the lower end of the first scraper (9).
7. The avionics ventilation cooling device according to claim 1, characterized in that two sets of dehumidification devices are symmetrically arranged in the control cabinet (1) and are driven by a second driving device;
dehydrating unit includes that four rotate sprocket (45) and four sprocket (45) positions of installing on switch board (1) are the rectangle setting, one sprocket (45) are connected with second drive arrangement and four sprocket (45) are connected with chain (46) jointly, the interval is provided with receiver (47) and has placed the desiccant in receiver (47) on chain (46).
8. The avionics equipment ventilation cooling device according to claim 7, characterized in that a plurality of condensation pipes (48) are vertically arranged in the control cabinet (1) at intervals, electromagnetic valves (57) are arranged outside the control cabinet (1) at the input ends of the condensation pipes (48), a plurality of reciprocating lead screws (49) corresponding to the condensation pipes (48) in a one-to-one manner are vertically arranged in the control cabinet (1) at intervals, the reciprocating lead screws (49) are connected with a second driving device through second chain transmission, the second driving device can drive the reciprocating lead screws (49) to rotate and simultaneously drive the chain wheels (45) to rotate at intervals, a detection slide block (50) in transverse sliding fit with the control cabinet (1) is in threaded fit with the reciprocating lead screws (49), and a temperature sensor is arranged on the detection slide block (50).
9. The avionics ventilation cooling device according to claim 8, characterized in that the second drive means comprise spaced bevel gears (51) which rotate coaxially with the sprocket (45) at one transverse end of the upper end of the control cabinet (1) and the spaced bevel gears (51) are matched with single-tooth bevel gears (52) which are rotatably mounted on the control cabinet (1), the single-tooth bevel gears (52) rotate coaxially with spaced driven bevel gears (53) and the spaced driven bevel gears (53) are engaged with spaced drive bevel gears (54) which are rotatably mounted on the control cabinet (1), and the spaced drive bevel gears (54) are chain-driven with a second chain and are driven by a second motor (55) which is fixedly mounted on the control cabinet (1).
10. Avionics ventilation cooling device according to claims 1-9, the method of use of which has the following steps:
(1) cooling air is delivered into the ventilation cooling duct by an air compressor or the ventilation cooling duct is connected to the cabin so that cooling air can enter the ventilation cooling duct;
(2) starting a ventilation cooling pipe, and conveying cooling air into the control cabinet to cool the electronic equipment;
(3) extracting the heat-exchanged gas in the control cabinet out of the control cabinet by using negative pressure equipment, and conveying the gas into a gas discharge pipeline to be discharged out of the engine room;
(4) when the temperature detection element detects that the electronic equipment is heated regionally, the corresponding electromagnetic valve is opened, and a condensing agent is introduced to carry out cooling treatment on the electronic equipment;
(5) and after the temperature is recovered, closing the electromagnetic valve, and recovering the condensing agent in the condensing pipe through the output pipe.
CN202110134246.8A 2021-02-01 2021-02-01 Avionic device ventilation cooling device and method Withdrawn CN112739179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110134246.8A CN112739179A (en) 2021-02-01 2021-02-01 Avionic device ventilation cooling device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110134246.8A CN112739179A (en) 2021-02-01 2021-02-01 Avionic device ventilation cooling device and method

Publications (1)

Publication Number Publication Date
CN112739179A true CN112739179A (en) 2021-04-30

Family

ID=75595085

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110134246.8A Withdrawn CN112739179A (en) 2021-02-01 2021-02-01 Avionic device ventilation cooling device and method

Country Status (1)

Country Link
CN (1) CN112739179A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113975899A (en) * 2021-11-16 2022-01-28 杨志彬 Chain grate-rotary kiln denitration system
CN114804601A (en) * 2022-05-30 2022-07-29 晏文旋 Toughened glass cooling device
CN115134295A (en) * 2022-05-30 2022-09-30 湖南竣能科技有限公司 Router protector with dampproofing function
CN115318030A (en) * 2022-09-01 2022-11-11 安徽顺达环保科技股份有限公司 Wet-type desulfurization and denitrification operation device and method for regenerated flue gas in cement kiln tail
CN116056434A (en) * 2023-03-31 2023-05-02 深圳市保益新能电气有限公司 High-frequency inverter power supply with protection mechanism
CN117175369A (en) * 2023-09-13 2023-12-05 浙江衢能电气有限公司 Waterproof high-low voltage switchgear device of intelligence heat dissipation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113975899A (en) * 2021-11-16 2022-01-28 杨志彬 Chain grate-rotary kiln denitration system
CN114804601A (en) * 2022-05-30 2022-07-29 晏文旋 Toughened glass cooling device
CN115134295A (en) * 2022-05-30 2022-09-30 湖南竣能科技有限公司 Router protector with dampproofing function
CN115134295B (en) * 2022-05-30 2023-09-19 湖南竣能科技有限公司 Router protector with dampproofing function
CN114804601B (en) * 2022-05-30 2024-06-04 娄底市强大玻璃科技有限公司 Toughened glass cooling device
CN115318030A (en) * 2022-09-01 2022-11-11 安徽顺达环保科技股份有限公司 Wet-type desulfurization and denitrification operation device and method for regenerated flue gas in cement kiln tail
CN116056434A (en) * 2023-03-31 2023-05-02 深圳市保益新能电气有限公司 High-frequency inverter power supply with protection mechanism
CN117175369A (en) * 2023-09-13 2023-12-05 浙江衢能电气有限公司 Waterproof high-low voltage switchgear device of intelligence heat dissipation
CN117175369B (en) * 2023-09-13 2024-03-19 浙江衢能电气有限公司 Waterproof high-low voltage switchgear device of intelligence heat dissipation

Similar Documents

Publication Publication Date Title
CN112739179A (en) Avionic device ventilation cooling device and method
CN106964491B (en) Electrostatic dust collector capable of automatically cleaning dust
CN109225958B (en) Ash removal cleaning device of auxiliary power box for power box
CN114883956B (en) Modularization high-low voltage power distribution cabinet with dustproof cooling function
CN107321750B (en) Power grid equipment data multidimensional correlation analysis system and cleaning device thereof
CN113745992B (en) Electrical switch cabinet with dustproof and antistatic functions
CN205026909U (en) Air condensing units dust collector and contain its air conditioner
CN117418889A (en) Gas power generation integrated equipment
CN220507061U (en) Energy-saving industrial dehumidifier
JP2012163261A (en) Air conditioner cleaning method
CN110913175A (en) Outdoor video monitoring equipment with shielding prevention function
CN109990401A (en) Air cleaning adjusts all-in-one machine
CN205378462U (en) Television cabinet heat dissipation dust collector
CN108758955B (en) Automatic cleaning device for fresh air system
CN207939913U (en) A kind of cabinet using air cleaning
CN207555936U (en) A kind of refrigeration accessory dust guard
CN118577068B (en) Multi-point dust collection and ash discharge device for mining equipment
CN219848899U (en) Machine room dust removal and dehumidification device
CN208579416U (en) A kind of electric precipitation formula air cleaning member, apparatus and system
CN219178080U (en) Efficient energy-saving mechanism of modularized water chilling unit
CN109604198A (en) A kind of Washing Machine Panel surface electrostatic dust removing device
CN110631142A (en) Automatic defrosting dehumidifier
CN220955700U (en) Gas power generation integrated equipment
CN221746090U (en) Electric metering box
CN216864964U (en) Expansion joint dust collector for bridge maintenance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210430

WW01 Invention patent application withdrawn after publication