CN112797539A - Sterile circulating ventilation device and circulating ventilation method for intensive care unit - Google Patents
Sterile circulating ventilation device and circulating ventilation method for intensive care unit Download PDFInfo
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- CN112797539A CN112797539A CN202110150982.2A CN202110150982A CN112797539A CN 112797539 A CN112797539 A CN 112797539A CN 202110150982 A CN202110150982 A CN 202110150982A CN 112797539 A CN112797539 A CN 112797539A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an aseptic circulating ventilation device for an intensive care unit and a circulating ventilation method, and the aseptic circulating ventilation device comprises a connecting base and a sterilizing filter screen plate, wherein a driving motor is installed at the top of the connecting base, embedded sliding blocks are installed on the surfaces of a first reciprocating screw rod and a second reciprocating screw rod, a supporting bottom plate is installed at the top of each embedded sliding block, an air draft air box and an installation chamber are installed at the top of the supporting bottom plate, an air supply pipe is installed inside the installation chamber, a branch pipe is installed on the side surface of the air supply pipe, a T-shaped alarm valve bolt is installed at the top of the branch pipe, one end of the air supply pipe is connected with a prepared branch pipe, and a push-pull cylinder is installed on the top of one side, away. The alarm valve bolt is arranged, so that when the exhaust pipeline of the device is blocked, alarm light and alarm buzzers can be sent out timely, medical personnel can be reminded to maintain the device in the future, and the normal operation of ventilation circulation work of the device is ensured.
Description
Technical Field
The invention relates to the technical field of circulating ventilation devices, in particular to a sterile circulating ventilation device and a circulating ventilation method for an intensive care unit.
Background
After a patient receives an operation, the patient usually needs to stay in an ICU ward for a period of time, and gradually revives and recovers under the care of medical machines and related professional medical staff, during which the patient usually has poor self-management ability and resistance, and the ward environment requirement is more strict than that of a common ward, so that the ICU ward needs to be ventilated and purified circularly, so as to improve the medical quality and reduce or eliminate postoperative infection.
The existing circulating ventilation device has the defects that:
1. reference document CN209864724U discloses a special disinfection device for an ICU ward of obstetrics and gynecology department, which comprises a disinfection box, a sterilization barrel, an ultraviolet disinfection lamp, an air purification assembly and a power supply device; the sterilization box is internally provided with a sterilization chamber, a sterilization chamber and an air purification chamber, a folding separation plate is arranged between the sterilization chamber and the sterilization chamber, a fixing plate is arranged between the air purification chamber and the sterilization chamber as well as between the air purification chamber and the sterilization chamber, the sterilization cylinder is arranged inside the sterilization chamber, the ultraviolet disinfection lamp is arranged inside the sterilization chamber, the air purification assembly comprises a fan, a photocatalyst sterilizer and an air humidifier, the air purification assembly is arranged inside the air purification chamber, and the power supply device supplies power to the ultraviolet disinfection lamp, the fan, the photocatalyst sterilizer and the air humidifier; the device can be used for sterilizing articles in an ICU ward of a gynaecology and obstetrics department, and simultaneously purifying air in the ward, so that the device is suitable for large-scale popularization, but a warning device is lacked when a ventilating duct is blocked, so that the condition cannot be known in time, and the ventilation circulation work of the device is blocked and cannot be carried out smoothly;
2. reference CN211434328U discloses an ICU severe room uses indoor air degassing unit, "including box, chamber door and air inlet fan, the one end of box side has the chamber door through hinge swing joint, the side that the hinge was kept away from to the box has seted up the air intake, there is fixed frame on the surface that the box is close to the air intake through bolt swing joint. The ICU intensive care unit uses the indoor air sterilizing unit, through the setting of ultraviolet ray disinfection board, the ultraviolet ray disinfection lamp, photocatalysis disinfection board and active carbon filter, the air inlet fan blows indoor air into the sterilizing unit, the air filters through the layer upon layer of each plate, make the air obtain purification disinfection treatment, clean air is discharged by the air outlet, through the setting of first spout, second spout and third spout, the installation and the dismantlement of each plate are convenient for, the plate can move left and right ground card to be established in the mounting groove, when the plate damages and needs to be changed, also can very convenient change, improve the result of use of sterilizing unit ", but the device lacks corresponding preparation air-out structure, need to shut down the device and maintain when causing the air outlet of the device to block up, can't guarantee the device ventilate the endless nothing of circulation;
3. reference CN209951861U discloses an indoor air disinfection device for an ICU intensive care unit, "including air disinfection device and mounting base, the inside of air disinfection device is provided with air disinfection layer, sterilamp, anion generator and photocatalyst coating. This ICU severe room uses indoor air degassing unit, setting through air disinfection layer and first ultraviolet ray disinfection lamp, can carry out preliminary disinfection to the room air, through anion generator, second ultraviolet ray disinfection lamp, the cooperation of glass piece and photocatalyst coating, the catalyst material that takes nano titanium oxide as the main is under the excitation of second ultraviolet ray disinfection lamp, can carry out catalytic decomposition to the chemical contamination in the air, thereby further disinfect to the room air, make air disinfection more thorough in the severe room, avoided the air flow to lead to secondary pollution, but the device is fixed mounting, its ventilation endless effective area is limited, the adjustment of circulation displacement that can't ventilate, it is comparatively inconvenient to use.
Disclosure of Invention
The present invention is directed to a sterile circulating ventilation device and a circulating ventilation method for intensive care unit, which solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an aseptic circulation ventilation unit and circulation ventilation method for intensive care unit, includes and connects base, reciprocating screw rod, driving motor, convulsions bellows, installation room, induction-pipe and disinfection filter plate, connect the top of base and install driving motor, driving motor's output is connected with reciprocating screw rod No. one, the one end surface of reciprocating screw rod is encircleed and is installed conveyer, and conveyer is close to driving motor's output, conveyer's inner wall laminating is installed reciprocating screw rod No. two, and reciprocating screw rod No. two is located reciprocating screw rod's rear, the gomphosis slider is all installed on the surface of reciprocating screw rod No. one and reciprocating screw rod No. two, the supporting baseplate is installed at the top of gomphosis slider, convulsions bellows and installation room are installed to the top of supporting baseplate, and the installation room is located the place ahead of convulsions bellows, an air supply pipe is arranged in the mounting chamber, an input port of the air supply pipe extends into the air draft bellows, two groups of branch pipes which are symmetrically arranged are arranged on the side surface of the air supply pipe, a T-shaped alarm valve bolt is arranged at the top of each branch pipe, the bottom of the alarm valve bolt extends into the interior of a branch pipe, one end of the air supply pipe close to the front surface of the installation chamber is connected with a prepared branch pipe, the interior of the branch pipe and the prepared branch pipe are both provided with a disinfection filter screen plate, and the branched pipe disinfection filter screen plate is positioned at one side of the alarm valve bolt, the top surface of one side of the connecting base far away from the driving motor is provided with a push-pull cylinder, and the push-pull cylinder is positioned in the middle of the first reciprocating screw rod and the second reciprocating screw rod, a battery box is arranged on the surface of the top of one side, far away from the driving motor, of the connecting base, the battery box is positioned behind the push-pull cylinder, and a storage battery is placed in the battery box.
Preferably, the top surface mounting that the warning valve tied has warning lamp area, and the bottom in warning lamp area is connected with gomphosis installation circle frame, and the inside central point department of gomphosis installation circle frame installs bee calling organ, and the surface of gomphosis installation circle frame runs through and is equipped with the aperture, and the surface that the warning valve tied encircles installs pressure sensors, and pressure sensors is located the below of gomphosis installation circle frame, and pressure sensors passes through the wire and is connected with bee calling organ and the electrified nature of warning lamp.
Preferably, prepare the lift slide bar of installing the T type at the top of minute pipe, the bottom of lift slide bar extends into the inside of preparing minute pipe, the lift slide bar is made for the iron material, reset spring is installed to the bottom of lift slide bar, reset spring's bottom is connected with the top of electromagnet piece, flexible plectane is installed to the position that the surface of lift slide bar leaned on down, the lower half of flexible plectane is extending structure, flexible plectane is located the rear of electromagnet piece, prepare the bottom of minute pipe and install the electromagnet piece, and the internally mounted of electromagnet piece has the electro-magnet, electro-magnet and the inside storage battery electric connection that goes out of battery case, the electromagnet piece is located lift slide bar under.
Preferably, the push-and-pull cylinder is close to one side surface mounting of driving motor has the telescopic link, and the connecting plate is installed to one end that the telescopic link is close to driving motor, and one side surface mounting that the connecting plate is close to driving motor has the rubber strip, and two sets of gomphosis pieces of arranging around installing are installed to the bottom of connecting plate, and the inside of gomphosis piece is equipped with the round hole that runs through, and the diameter of round hole is greater than the diameter toward the multifilament pole for one number, and two sets of gomphosis pieces are connected with reciprocal lead screw of a reciprocating screw and the.
Preferably, two sets of limiting rings are respectively installed on the surfaces of one ends, close to the driving motor, of the first reciprocating screw rod and the second reciprocating screw rod, the limiting rings are respectively located on two sides of the conveying belt, and magnet plates are installed at the bottoms of the embedded sliding blocks.
Preferably, the sterilizing filter screen plate is internally provided with a sterile non-woven fabric layer and an activated carbon plate, the activated carbon plate is positioned on one side of the sterile non-woven fabric layer, the sterilizing filter screen plate is internally provided with a cold catalyst, the cold catalyst is positioned on one side of the activated carbon plate, and the sterilizing filter screen plate is internally provided with a heating screen plate.
Preferably, the outer walls of the two sides of the air draft bellows are respectively provided with a ventilation plate which is inclined downwards, the inside of each ventilation plate is provided with a dust blocking net, and the inside of the air draft bellows is provided with a negative pressure fan.
Preferably, air outlets are respectively arranged on the surfaces of the two sides and the front surface of the installation chamber, intercepting nets are respectively arranged on the inner walls of the air outlets, and each air outlet is respectively connected with the outlets of the two branch pipes and the outlets of the prepared branch pipes.
Preferably, the connection base is internally provided with a natural magnet layer, and the top of the natural magnet layer is uniformly coated with a protective paint layer.
Preferably, the working steps of the device are as follows:
s1, when the device is used for ventilation circulation and purification operation of an intensive care unit, a negative pressure fan in the device is started as required, so that air outside the air draft bellows is extracted into the air draft bellows and is conveyed into the two branch pipes through the air supply pipe, and then the air entering the device is subjected to corresponding flow distribution purification treatment, and the pipe wall pressure of the branch pipes is reduced;
s2, when one branch pipe is blocked, the air extracted by the device is purified by the other branch pipe, the pressure inside the branch pipe is increased, the pressure sensor inside the pipe senses the increase of the pressure inside the pipe, and then the working circuit of the buzzer, the working circuit of the buzzer and the warning lamp strip is started, the buzzer and the warning lamp strip are enabled to emit light and warn buzzers at the same time, the working personnel are reminded to dredge the pipe in time, and the preparation branch pipe is started in order to ensure that the device can normally perform corresponding ventilation circulation and air purification operations;
s3, after the preparation pipe distribution is started, the electromagnet inside the electromagnet block in the pipe is electrified, magnetic attraction is generated, the lifting slide bar is driven to slide downwards, the telescopic circular plate is driven to stretch downwards, and then the preparation pipe distribution pipeline which is originally blocked by the telescopic circular plate is dredged, so that the preparation pipe distribution can work, and the device can be ensured to normally perform corresponding ventilation circulation and air purification work;
s4, starting a driving motor, driving a first reciprocating screw rod and a second reciprocating screw rod to rotate under the action of a conveying belt, further driving an embedded sliding block on the surface to perform reciprocating movement in the horizontal direction, and driving an air draft bellows and an installation chamber to perform corresponding reciprocating movement synchronously, so that the effective displacement area of the ventilation circulation of the device is enlarged, and further the area of the ventilation circulation is enhanced;
s5, sometimes the sickbed in the ward is not completely used, the horizontal distance of the ventilation circulation in the ward needs to be correspondingly adjusted, the telescopic rod can be adjusted at the moment, the connecting plate and the embedded block at the bottom of the connecting plate are driven to move towards the direction close to the driving motor along the first reciprocating screw rod and the second reciprocating screw rod, the distance is adjusted, after the supporting base plate at the top of the embedded sliding block moves to the position of the connecting plate, the supporting base plate is slightly impacted, and then a reverse pushing effect is generated on the supporting base plate, so that the supporting base plate stops moving forwards and moves towards the direction close to the driving motor, and the reciprocating distance is adjusted.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with an alarm valve bolt, which consists of an alarm lamp band, an embedded installation round frame, a small hole, a buzzer and a pressure sensor, when one branch pipe is blocked, the air extracted by the device is purified by the circulation of the other branch pipe, the pressure inside the branch pipe which normally works is increased, the pressure sensor inside the pipe senses the pressure increase inside the pipe, and further the working circuit of the pressure sensor, the buzzer and the alarm lamp band is started, so that the working circuit can emit light and alarm buzzing simultaneously to remind the working personnel to dredge the pipe in time, the embedded installation round frame is a concave round frame structure, so that a space can be provided for the installation of the buzzer, the sound generated when the buzzer works can be transmitted out of the embedded installation round frame through the small hole which is arranged around the surface of the embedded installation round frame, and the alarm can be transmitted to the ears of medical personnel without obstruction, causing an alert correction adjustment.
2. The invention is provided with the preparation branch pipe, which consists of a lifting slide bar, an electromagnet block, a return spring and a telescopic circular plate, after the preparation branch pipe is started, the electromagnet inside the electromagnet block in the tube is electrified to generate magnetic attraction, so as to drive the lifting slide bar to slide downwards and drive the telescopic circular plate to extend downwards, then the prepared branch pipe pipeline which is originally blocked by the telescopic circular plate is dredged, so that the prepared branch pipe can work, the device can be ensured to normally carry out corresponding ventilation circulation and air purification work, when the preparation is not needed to be used for pipe distribution, the power supply of an electromagnet inside the electromagnet block can be cut off, the electromagnet block loses magnetic attraction at the moment, the lifting slide rod slides upwards under the elastic action of the reset spring to drive the telescopic circular plate to move upwards, and the telescopic plate naturally droops under the action of gravity, so that the preparation pipe distribution can be continuously blocked.
3. The invention is provided with a push-pull cylinder which is composed of a telescopic rod, a connecting plate, a rubber strip and an embedded block, when the horizontal distance of the inside of a guardian room which needs to be ventilated and circulated needs to be correspondingly adjusted, the telescopic rod is adjusted, and then the connecting plate and the embedded block at the bottom of the connecting plate are driven to move towards the direction close to a driving motor along a first reciprocating screw rod and a second reciprocating screw rod, so as to realize the adjustment of the distance, when a supporting baseplate at the top of an embedded sliding block moves to the position of the connecting plate, the supporting baseplate is slightly impacted, and then the supporting baseplate generates a reverse pushing action, so that the supporting baseplate stops moving forwards and moves towards the driving motor, thereby realizing the adjustment of the reciprocating distance, when the supporting baseplate and the connecting plate slightly impact collide, the rubber strip on the surface of the connecting plate can play a role in buffering, and further reducing the impact on the supporting baseplate, the stability of the device is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the first reciprocating screw rod, the second reciprocating screw rod, the driving motor and the conveying belt of the present invention;
FIG. 3 is a schematic view of the structure at position A of the present invention;
FIG. 4 is a schematic view of the draft bellows configuration of the present invention;
FIG. 5 is a schematic view of the internal structure of the installation chamber of the present invention;
FIG. 6 is a partial cross-sectional view of the preparation manifold of the present invention;
FIG. 7 is a schematic view of the installation structure of the air supply pipe and branch pipe, the alarm valve bolt and the disinfection filter screen plate of the present invention;
FIG. 8 is a schematic view of the installation structure of the lifting slide bar, the return spring and the retractable circular plate according to the present invention;
FIG. 9 is a schematic view of a warning valve plug according to the present invention;
fig. 10 is a schematic view of the internal structure of the sterilizing filter screen plate of the present invention.
In the figure: 1. connecting a base; 101. a natural magnet layer; 102. a protective paint layer; 2. a first reciprocating screw rod; 201. embedding the sliding block; 202. a magnet plate; 203. a limiting ring; 204. a second reciprocating screw rod; 3. a drive motor; 4. a conveyor belt; 5. pushing and pulling the cylinder; 501. a telescopic rod; 502. a connecting plate; 503. a rubber strip; 504. a fitting block; 6. a battery case; 7. an air draft bellows; 701. a ventilation board; 702. a negative pressure fan; 703. a dust blocking net; 8. an installation chamber; 801. an air outlet; 9. an air supply pipe; 901. a branch pipe; 10. preparing pipe distribution; 1001. lifting the sliding rod; 1002. an electromagnet block; 1003. a return spring; 1004. a telescopic circular plate; 11. an alarm valve plug; 1101. a warning lamp band; 1102. embedding and mounting the round frame; 1103. a small hole; 1104. a buzzer; 1105. a pressure sensor; 12. sterilizing the filter screen plate; 1201. a sterile nonwoven fabric; 1202. an activated carbon plate; 1203. a cold catalyst; 1204. the web is heated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "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.
Referring to fig. 1-10, an embodiment of the present invention is shown: an aseptic circulating ventilation device for an intensive care unit and a circulating ventilation method comprise a connecting base 1, a first reciprocating screw rod 2, a driving motor 3, an air draft bellows 7, a mounting chamber 8, an air feed pipe 9 and a disinfection filter screen plate 12, wherein the driving motor 3 is mounted at the top of the connecting base 1, the connecting base 1 can provide a supporting and supporting function for the installation of the driving motor, a battery box 6 and a push-pull cylinder 5, the driving motor 3 can provide a torque support for the rotation of the first reciprocating screw rod 2, the output end of the driving motor 3 is connected with the first reciprocating screw rod 2, two thread grooves with the same thread pitch and opposite rotation directions are arranged on the surface of the reciprocating screw rod, an embedded sliding block 201 on the surface can be driven to perform corresponding reciprocating movement along the surface of the first reciprocating screw rod 2 through rotation, a conveying belt 4 is mounted on the surface of one end of the first reciprocating screw rod 2 in a surrounding manner, and the conveying belt 4 is close, through the conveying belt 4, when the first reciprocating screw rod 2 rotates, the second reciprocating screw rod 204 is driven to synchronously rotate, and further the same-direction and same-amplitude reciprocating movement of the embedded sliding blocks 201 on the surfaces of the first reciprocating screw rod and the second reciprocating screw rod is completed, the inner wall of the conveying belt 4 is attached and provided with the second reciprocating screw rod 204, the second reciprocating screw rod 204 is positioned behind the first reciprocating screw rod 2 and can be matched with the first reciprocating screw rod 2, so that the four-corner supporting effect is improved for the supporting bottom plate, the stable installation of the air draft air box 7 and the installation chamber 8 is ensured, the embedded sliding blocks 201 are arranged on the surfaces of the first reciprocating screw rod 2 and the second reciprocating screw rod 204, the air draft air box 7 and the installation chamber 8 can be driven to reciprocate through reciprocating movement along the first reciprocating screw rod 2 and the second reciprocating screw rod 204, the back-and forth type ventilation circulation is performed, the effective ventilation circulation area of the device is enhanced, the air supply device has the advantages that a supporting and fixing function is provided for installation of an air draft bellows 7 and an installation chamber 8, the air draft bellows 7 and the installation chamber 8 are installed at the top of a supporting bottom plate, the installation chamber 8 is located in front of the air draft bellows 7, the air draft bellows 7 can provide air supply for corresponding ventilation circulation of the device, the installation chamber 8 can throw air purified by the device outside the air draft bellows 7 again to achieve the ventilation circulation function, an air supply pipe 9 is installed inside the installation chamber 8, an input port of the air supply pipe 9 extends into the air draft bellows 7, two groups of branch pipes 901 which are symmetrically arranged are installed on the side surface of the air supply pipe 9, air sucked by the air draft bellows 7 can be conveyed and transferred to the installation chamber 8 through the branch pipes 901 to complete corresponding ventilation circulation air discharge, a T-shaped alarm valve plug 11 is installed at the top of the branch pipes 901, and the bottom of the alarm valve plug 11 extends into the branch pipes 901, when one of the branch pipes 901 is blocked, warning light and buzzing warning can be sent outwards at the same time to remind medical personnel to adjust and correct in time and ensure the normal work efficiency of ventilation circulation, one end of the air supply pipe 9 close to the front surface of the installation chamber 8 is connected with a preparation branch pipe 10 which can be opened when the branch pipe 901 cannot perform normal air circulation and discharge, and the unimpeded operation of the ventilation circulation of the device is ensured, the branch pipe 901 and the preparation branch pipe 10 are internally provided with a disinfection filter screen plate 12, the disinfection filter screen plate 12 of the branch pipe 901 is positioned at one side of the alarm valve bolt 11 to perform corresponding filtration and purification treatment on passing air, and ensure that the air output by the device is cleaner and tidier, the top surface of one side of the connection base 1 far away from the driving motor 3 is provided with a push-pull cylinder 5, and the push-pull cylinder 5 is positioned at the middle position of the first reciprocating screw rod 2 and, through the length of adjustment telescopic link 501, the reciprocating motion length of adjustable device to the needs that the inside ventilation circulation horizontal distance of adaptation guardianship room carried out the adjustment, connect one side top surface mounting that base 1 kept away from driving motor 3 to have battery case 6, and battery case 6 is located push-and-pull cylinder 5's rear, and storage battery has been placed to battery case 6's inside, provides the electric quantity supply for electromagnet block 1002's work, in order to guarantee the device to prepare opening closed control of being in charge of 10.
The top surface of the alarm valve bolt 11 is provided with an alarm lamp belt 1101, the bottom of the alarm lamp belt 1101 is connected with a jogged installation round frame 1102, the center of the inside of the jogged installation round frame 1102 is provided with a buzzer 1104, the surface of the jogged installation round frame 1102 is provided with a small hole 1103 in a penetrating way, the surface of the alarm valve bolt 11 is provided with a pressure sensor 1105 in a surrounding way, the pressure sensor 1105 is positioned below the jogged installation round frame 1102, the pressure sensor 1105 is electrically connected with the buzzer 1104 and the alarm lamp belt 1101 through a lead, when one branch pipe 901 is blocked, all air pumped by the device is purified and circulated through the other branch pipe 901, the pressure inside the pipeline of the normally working branch pipe 1104 is increased, the pressure sensor 1105 positioned inside the pipeline senses the increase of the pressure inside the pipeline, and then the working circuit of the buzzer and the alarm lamp belt 1101 is started, make its light and the buzzing of warning simultaneously, remind the staff in time to carry out the mediation of pipeline, gomphosis installation circle frame 1102 is a sunken circular frame structure, consequently can provide the space for the installation of bee calling organ 1104, the sound accessible gomphosis installation circle frame 1102 surface that bee calling organ 1104 during operation sent is passed out gomphosis installation circle frame 1102 inside around the aperture 1103 of installation, guarantee to warn in buzzing can the unhindered transmission to medical personnel's ear, arouse to warn and correct the adjustment.
The top of the prepared sub-tube 10 is provided with a T-shaped lifting slide bar 1001, the bottom of the lifting slide bar 1001 extends into the prepared sub-tube 10, the lifting slide bar 1001 is made of iron material, the bottom of the lifting slide bar 1001 is provided with a return spring 1003, the bottom of the return spring 1003 is connected with the top of an electromagnet block 1002, a telescopic circular plate 1004 is arranged at the position below the surface of the lifting slide bar 1001, the lower half part of the telescopic circular plate 1004 is of a telescopic structure, the telescopic circular plate 1004 is positioned behind the electromagnet block 1002, the bottom of the prepared sub-tube 10 is provided with the electromagnet block 1002, the electromagnet block 1002 is arranged inside the electromagnet, the electromagnet is electrically connected with a storage battery inside a battery box 6, the electromagnet block 1002 is positioned right below the lifting slide bar 1001, after the prepared sub-tube 10 is started, the electromagnet inside the electromagnet block 1002 inside the tube is electrified to generate attraction and then the magnetic force to drive the, then, the retractable circular plate 1004 is driven to extend downwards, and further, the prepared branch pipe 10 pipeline which is originally blocked by the retractable circular plate 1004 is dredged, so that the prepared branch pipe 10 can work, the device can be ensured to normally perform corresponding ventilation circulation and air purification work, when the prepared branch pipe 10 is not needed to be used, the power supply of the electromagnet inside the electromagnet 1002 can be cut off, at the moment, the electromagnet 1002 loses magnetic attraction, the lifting slide rod 1001 slides upwards under the elastic action of the reset spring 1003, then the retractable circular plate 1004 is driven to move upwards, and the retractable plate naturally droops under the action of gravity, so that the blocking effect on the prepared branch pipe 10 can be continuously formed.
The surface of one side of the push-pull cylinder 5, which is close to the driving motor 3, is provided with an expansion link 501, one end of the expansion link 501, which is close to the driving motor 3, is provided with a connecting plate 502, one side of the connecting plate 502, which is close to the driving motor 3, is provided with a rubber strip 503, the bottom of the connecting plate 502 is provided with two groups of embedding blocks 504 which are arranged in front and back, the inside of each embedding block 504 is provided with a through round hole, the diameter of each round hole is larger than that of the first reciprocating screw rod 2, the two groups of embedding blocks 504 are respectively embedded and connected with the first reciprocating screw rod 2 and the second reciprocating screw rod 204 through the through round holes, when the horizontal distance in the monitoring room, which needs to be ventilated and circulated, needs to be correspondingly adjusted, the expansion link 501 is adjusted, and then the connecting plate 502 and the embedding blocks, after the supporting baseplate at the top of the embedded sliding block 201 moves to the position of the connecting plate 502, slight impact is applied, and then reverse pushing action is generated on the supporting baseplate, so that the supporting baseplate stops moving forwards, and moves towards the direction close to the driving motor 3, so that the reciprocating distance is adjusted, when the supporting baseplate collides with the connecting plate 502 by slight impact, the rubber strip 503 on the surface of the connecting plate 502 can play a role in buffering, and further the impact on the supporting baseplate and the shaking influence of the air draft bellows 7 and the installation chamber 8 at the top of the supporting baseplate is reduced, and the stability of the device is ensured.
Two sets of spacing rings 203 are installed respectively to the one end surface that reciprocating screw rod 2 and No. two reciprocating screw rods 204 are close to driving motor 3, spacing ring 203 is located conveyer 4's both sides respectively, magnet board 202 is installed to the bottom of gomphosis slider 201, spacing ring 203 can carry out spacing processing to conveyer 4, avoid it to rotate the in-process and take place the displacement, influence the stable rotation of No. two reciprocating screw rods 204, and the setting of magnet board 202, can cooperate with natural magnet layer 101, make gomphosis slider 201 suspension at the top of connecting base 1, and then reduce the resistance of its slip in-process.
The sterile non-woven fabric layer 1201 and the activated carbon plate 1202 are arranged inside the disinfection filter screen plate 12, the activated carbon plate 1202 is arranged on one side of the sterile non-woven fabric layer 1201, the cold catalyst 1203 is arranged inside the disinfection filter screen plate 12, the cold catalyst 1203 is arranged on one side of the activated carbon plate 1202, the heating screen plate 1204 is arranged inside the disinfection filter screen plate 12, when air passes through the disinfection filter screen plate 12, fine particle suspended matters in the air can be intercepted and filtered through the sterile non-woven fabric layer 1201, peculiar smell in the air is adsorbed through the activated carbon plate 1202, then the cold catalyst 1203 is passed through, the cold catalyst 1203 can decompose various harmful and odorous gases into harmless and tasteless substances at normal temperature and normal pressure, further, harmful gases such as formaldehyde, benzene, xylene, toluene, TVOC and the like in the air are effectively purified, and then the air is heated through the heating screen plate 1204, not only can kill off the germ in the air, still can make the exhaust air after the purification be the hot-air, because the density of hot-air is less, has the trend of upwards floating, can effectively improve the effective high problem of ventilation circulation because of the device altitude problem brings.
The ventilating board 701 of downward sloping is all installed to the both sides outer wall of convulsions bellows 7, dust blocking net 703 is all installed to the inside of ventilating board 701, the internally mounted of convulsions bellows 7 has negative pressure fan 702, after negative pressure fan 702 starts, the inside of convulsions bellows 7 produces negative pressure wind-force, can extract the outside air of convulsions bellows 7 to the box inside through ventilating board 701, can intercept suspended solid and large granule foreign matter in the air through dust blocking net 703 at this in-process, make it adhere to on the inner wall of ventilating board 701, because ventilating board 701 arranges downwards obliquely, under the effect of gravity, the foreign matter that is intercepted by dust blocking net 703 can slide away from the inside of ventilating board 701 along the inner wall of ventilating board 701, and then guaranteed the inside neatness of convulsions bellows 7.
The working steps of the device are as follows:
s1, when the device is used for ventilation circulation and purification operation of an intensive care unit, the negative pressure fan 702 in the device is started as required, so that air outside the air draft bellows 7 is extracted into the air draft bellows 7 and is conveyed into the two branch pipes 901 through the air conveying pipe 9, and then the air entering the device is subjected to corresponding flow distribution and purification treatment, so that the pipe wall pressure of the branch pipes 901 is reduced;
s2, when one of the branch pipes 901 is blocked, the air extracted by the device is purified by the other branch pipe 901, the pressure inside the pipe of the branch pipe 901 is increased, the pressure sensor 1105 in the pipe senses the increase of the pressure inside the pipe, and then the working circuit of the buzzer 1104 and the warning light band 1101 is started, so that the working circuit can emit light and warn buzzers at the same time to remind the working personnel to dredge the pipe in time, and the preparation branch pipe 10 is started in order to ensure that the device can normally perform corresponding ventilation circulation and air purification operations;
s3, after the prepared branch pipe 10 is started, the electromagnet inside the electromagnet block 1002 in the pipe is electrified, magnetic attraction is generated, the lifting slide bar 1001 is driven to slide downwards, the telescopic circular plate 1004 is driven to stretch downwards, and the pipeline of the prepared branch pipe 10 which is originally blocked by the telescopic circular plate 1004 is dredged, so that the prepared branch pipe 10 can work, and the device can be ensured to normally perform corresponding ventilation circulation and air purification work;
s4, starting the driving motor 3, driving the first reciprocating screw rod 2 and the second reciprocating screw rod 204 to rotate under the action of the conveying belt 4, further driving the embedded sliding block 201 on the surface to perform reciprocating movement in the horizontal direction, and driving the air draft bellows 7 and the installation chamber 8 to perform corresponding reciprocating movement synchronously, so that the effective displacement area of the ventilation cycle of the device is enlarged, and further the area of the ventilation cycle is enhanced;
s5, sometimes, the sickbed in the ward is not completely used, the horizontal distance of the ventilation circulation in the ward needs to be correspondingly adjusted, the telescopic rod 501 can be adjusted at the moment, the connecting plate 502 and the embedding block 504 at the bottom of the connecting plate are driven to move towards the direction close to the driving motor 3 along the first reciprocating screw rod 2 and the second reciprocating screw rod 204, the distance is adjusted, after the supporting base plate at the top of the embedding sliding block 201 moves to the position of the connecting plate 502, the supporting base plate is slightly impacted, a reverse pushing effect is generated on the supporting base plate, the supporting base plate stops moving forwards and moves towards the direction close to the driving motor 3, and therefore the reciprocating distance is adjusted.
The working principle is as follows: when the device is used for ventilation circulation and purification operation of an intensive care unit, according to needs, a negative pressure fan 702 in the device is started, so that air outside an air draft bellows 7 is extracted to the inside of the air draft bellows 7 and is conveyed to two branch pipes 901 through an air feed pipe 9, when one branch pipe 901 is blocked, the pressure in the other branch pipe 901 is increased, a pressure sensor 1105 in the pipe senses the increase of the pressure in the pipe, and then a working circuit of the buzzer 1104 and a warning lamp strip 1101 is started, so that the working circuit can emit light and warning buzzes at the same time to remind a worker to dredge the pipe in time, and the preparation branch pipe 10 is started, at the moment, an electromagnet in an electromagnet block 1002 in the pipe is electrified to generate magnetic attraction, so that a lifting slide rod 1001 is driven to slide down, the telescopic circular plate 1004 is driven to stretch downwards, and the pipeline of the preparation branch pipe 10 originally blocked by the telescopic circular plate 1004 is dredged, after the air is disinfected and purified by the branch pipe 901 and the disinfection filter screen plate 12 inside the prepared branch pipe 10, the air is discharged out of the installation chamber 8 through the air outlet 801 to realize corresponding ventilation circulation, then the driving motor 3 is started, the first reciprocating screw rod 2 and the second reciprocating screw rod 204 are driven to rotate under the action of the conveying belt 4, the embedded sliding block 201 on the surface is further driven to reciprocate in the horizontal direction, the air draft air box 7 and the installation chamber 8 are driven to synchronously reciprocate correspondingly, when the horizontal distance of the ventilation circulation inside the guardroom needs to be adjusted, the telescopic rod 501 is adjusted, the connecting plate 502 and the embedded block 504 at the bottom of the connecting plate 502 are further driven to move towards the direction close to the driving motor 3 along the first reciprocating screw rod 2 and the second reciprocating screw rod 204, further the distance is adjusted, after the supporting bottom plate at the top of the embedded sliding block 201 moves to the position of the connecting plate 502, under the action of slight impact, the reciprocating mechanism generates reverse pushing action on the reciprocating mechanism, so that the reciprocating mechanism stops moving forwards and moves towards the direction close to the driving motor 3, and the reciprocating distance is adjusted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides an aseptic circulation ventilation unit and circulation ventilation method for intensive care unit, is including connecting base (1), reciprocating screw rod (2), driving motor (3), convulsions bellows (7), installation room (8), air supply pipe (9) and disinfection filter plate (12), its characterized in that: the automatic air exhaust device is characterized in that a driving motor (3) is installed at the top of the connecting base (1), the output end of the driving motor (3) is connected with a first reciprocating screw rod (2), a conveying belt (4) is installed on the surface of one end of the first reciprocating screw rod (2) in a surrounding mode, the conveying belt (4) is close to the output end of the driving motor (3), a second reciprocating screw rod (204) is installed on the inner wall of the conveying belt (4) in a laminating mode, the second reciprocating screw rod (204) is located behind the first reciprocating screw rod (2), an embedded sliding block (201) is installed on the surfaces of the first reciprocating screw rod (2) and the second reciprocating screw rod (204), a supporting base plate is installed at the top of the embedded sliding block (201), an air exhaust air box (7) and an installation chamber (8) are installed at the top of the supporting base plate, the installation chamber (8) is located in front of the air exhaust air box (7), and an, an input port of the air supply pipe (9) extends into the interior of the air draft bellows (7), two groups of branch pipes (901) which are symmetrically arranged are mounted on the side surface of the air supply pipe (9), a T-shaped alarm valve bolt (11) is mounted at the top of each branch pipe (901), the bottom of each alarm valve bolt (11) extends into the corresponding branch pipe (901), one end, close to the front face of the installation chamber (8), of the air supply pipe (9) is connected with a prepared branch pipe (10), disinfection filter screen plates (12) are mounted in the branch pipes (901) and the prepared branch pipes (10), the disinfection filter screen plates (12) of the branch pipes (901) are located on one side of the alarm valve bolts (11), a push-pull cylinder (5) is mounted on the top surface of one side, far away from the driving motor (3), of the connecting base (1), and the push-pull cylinder (5) is located in the middle position of the first reciprocating screw rod (2) and the second reciprocating screw rod (204), connect one side top surface mounting that base (1) kept away from driving motor (3) has battery case (6), and battery case (6) are located the rear of push-and-pull cylinder (5), and the deposit battery has been placed to the inside of battery case (6).
2. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: the top surface mounting of warning valve bolt (11) has warning lamp area (1101), the bottom in warning lamp area (1101) is connected with gomphosis installation circle frame (1102), buzzer (1104) are installed to the inside central point department of gomphosis installation circle frame (1102), the surface of gomphosis installation circle frame (1102) runs through and is equipped with aperture (1103), the surface of warning valve bolt (11) is encircleed and is installed pressure sensors (1105), and pressure sensors (1105) are located the below of gomphosis installation circle frame (1102), pressure sensors (1105) are through wire and buzzer (1104) and warning lamp area (1101) electric connection.
3. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: the top of the preparation branch pipe (10) is provided with a T-shaped lifting slide bar (1001), the bottom of the lifting slide bar (1001) extends into the preparation branch pipe (10), the lifting slide bar (1001) is made of iron materials, the bottom of the lifting slide bar (1001) is provided with a return spring (1003), the bottom of the return spring (1003) is connected with the top of an electromagnet block (1002), a telescopic circular plate (1004) is arranged at the position below the surface of the lifting slide bar (1001), the lower half part of the telescopic circular plate (1004) is of a telescopic structure, the telescopic circular plate (1004) is positioned behind the electromagnet block (1002), the electromagnet block (1002) is arranged at the bottom of the preparation branch pipe (10), and the electromagnet is arranged in the electromagnet block (1002), the electromagnet is electrically connected with the storage battery in the battery box (6), and the electromagnet block (1002) is positioned under the lifting slide bar (1001).
4. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: push-and-pull cylinder (5) are close to one side surface mounting of driving motor (3) has telescopic link (501), connecting plate (502) are installed to one end that telescopic link (501) are close to driving motor (3), one side surface mounting that connecting plate (502) are close to driving motor (3) has rubber strip (503), mosaic block (504) that two sets of front and back were arranged are installed to the bottom of connecting plate (502), and the inside of mosaic block (504) is equipped with the round hole that runs through, the diameter of round hole is greater than the diameter of reciprocating screw rod (2) No. one, two sets of mosaic block (504) are connected with reciprocating screw rod (2) and reciprocating screw rod (204) gomphosis No. two numbers respectively through the inside round hole that runs through.
5. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: two sets of limiting rings (203) are respectively installed on the surface of one end, close to the driving motor (3), of the first reciprocating screw rod (2) and the second reciprocating screw rod (204), the limiting rings (203) are respectively located on two sides of the conveying belt (4), and a magnet plate (202) is installed at the bottom of the embedded sliding block (201).
6. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: the sterilizing filter screen plate is characterized in that a sterile non-woven fabric layer (1201) and an activated carbon plate (1202) are installed inside the sterilizing filter screen plate (12), the activated carbon plate (1202) is located on one side of the sterile non-woven fabric layer (1201), a cold catalyst (1203) is installed inside the sterilizing filter screen plate (12), the cold catalyst (1203) is located on one side of the activated carbon plate (1202), and a heating screen plate (1204) is installed inside the sterilizing filter screen plate (12).
7. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: the ventilating plate (701) of downward sloping is all installed to the both sides outer wall of convulsions bellows (7), and dust blocking net (703) are all installed to the inside of ventilating plate (701), and the internally mounted of convulsions bellows (7) has negative-pressure air fan (702).
8. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: air outlets (801) are respectively arranged on the surfaces of the two sides and the front surface of the installation chamber (8), intercepting nets are respectively arranged on the inner walls of the air outlets (801), and each air outlet (801) is respectively connected with the outlets of the two branch pipes (901) and the outlet of the prepared branch pipe (10).
9. The aseptic circulation ventilation device and the circulation ventilation method for the intensive care unit according to claim 1, wherein: the connection base is characterized in that a natural magnet layer (101) is arranged inside the connection base (1), and a protective paint layer (102) is uniformly coated on the top of the natural magnet layer (101).
10. An aseptic circulation ventilation device and a circulation ventilation method for an intensive care unit according to any one of claims 1 to 9, the working steps of the device are as follows:
s1, when the device is used for ventilation circulation and purification operation of an intensive care unit, a negative pressure fan (702) in the device is started as required, so that air outside an air draft bellows (7) is extracted into the air draft bellows (7) and is conveyed into two branch pipes (901) through an air conveying pipe (9), and then the air entering the device is subjected to corresponding flow distribution and purification treatment, so that the pipe wall pressure of the branch pipes (901) is reduced;
s2, when one branch pipe (901) is blocked, the air extracted by the device is purified by the circulation of the other branch pipe (901), the pressure inside the pipeline of the branch pipe (901) is increased, a pressure sensor (1105) positioned inside the pipeline senses the increase of the pressure inside the pipeline, and then a working circuit of the working circuit, a buzzer (1104) and a warning lamp belt (1101) is started, so that the working circuit can emit light and warning buzzers at the same time to remind the working personnel of dredging the pipeline in time, and a preparation branch pipe (10) is started in order to ensure that the device can normally perform corresponding ventilation circulation and air purification operations;
s3, after the prepared branch pipe (10) is started, an electromagnet inside an electromagnet block (1002) in the pipe is electrified, magnetic attraction is generated, a lifting slide rod (1001) is driven to slide downwards, a telescopic circular plate (1004) is driven to stretch downwards, and then the pipeline of the prepared branch pipe (10) which is originally blocked by the telescopic circular plate (1004) is dredged, so that the prepared branch pipe (10) can work, and the device can be ensured to normally perform corresponding ventilation circulation and air purification work;
s4, starting a driving motor (3), driving a first reciprocating screw rod (2) and a second reciprocating screw rod (204) to rotate under the action of a conveying belt (4), further driving an embedded sliding block (201) on the surface to reciprocate in the horizontal direction, and driving an air draft air box (7) and an installation chamber (8) to synchronously reciprocate correspondingly, so that the effective displacement area of the ventilation circulation of the device is enlarged, and further the area of the ventilation circulation is enhanced;
s5, sometimes, the sickbed in the ward is not completely used, the horizontal distance of the ventilation circulation in the ward needs to be correspondingly adjusted, at the moment, the telescopic rod (501) can be adjusted, the connecting plate (502) and the embedded block (504) at the bottom of the connecting plate are driven to move towards the direction close to the driving motor (3) along the first reciprocating screw rod (2) and the second reciprocating screw rod (204), the distance is adjusted, after the supporting base plate at the top of the embedded sliding block (201) moves to the position of the connecting plate (502), the supporting base plate is slightly impacted, a reverse pushing effect is generated on the supporting base plate, the supporting base plate stops moving forwards and moves towards the direction close to the driving motor (3), and therefore the adjustment of the reciprocating distance is achieved.
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| CN202110150982.2A CN112797539A (en) | 2021-02-04 | 2021-02-04 | Sterile circulating ventilation device and circulating ventilation method for intensive care unit |
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| CN202110150982.2A CN112797539A (en) | 2021-02-04 | 2021-02-04 | Sterile circulating ventilation device and circulating ventilation method for intensive care unit |
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Cited By (1)
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| CN113669891A (en) * | 2021-08-31 | 2021-11-19 | 创维空调科技(安徽)有限公司 | Air deflector control mechanism and air conditioner |
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Application publication date: 20210514 |