CN213683397U - Isolation system - Google Patents

Abstract

The embodiment of the utility model discloses isolation system, include: the isolation device comprises an isolation main body, a first ventilation device and a negative pressure chamber, wherein the isolation main body can be unfolded to form a first closed cavity; the first air interchanger is arranged on the isolation main body in the unfolding state and is used for communicating the first closed cavity with the external space, and the first air interchanger can enable the air pressure of the first closed cavity to be lower than that of the external space; the negative pressure chamber is arranged in the first closed cavity and comprises a closed structure, the closed structure can be unfolded to form a hollow cavity to realize the movable and rapid construction of the isolation system, and the air pressure of the first closed cavity can be lower than that of the external space through the first air interchanger, so that a good negative pressure isolation effect is provided for the isolation system, and medical detection and analysis are carried out in the negative pressure chamber.

Description

Isolation system

Technical Field

The utility model relates to a protection technology field especially relates to an isolation system.

Background

When an epidemic situation spreading through aerosol occurs, a large amount of medical detection and analysis need to be carried out in a medical biosafety laboratory with the necessary functions of negative pressure isolation, sterilization, disinfection and the like.

However, the traditional medical biosafety laboratories are small in number and are distributed sparsely, so that medical detection and analysis are difficult, and the medical biosafety laboratories cannot detect and analyze nearby in time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an isolation system to solve the biological safe laboratory of traditional medical science, the technical problem of nearest detection and analysis can not in time.

In order to achieve the above object, the utility model adopts the following technical means:

an isolation system, comprising:

an isolation body deployable to form a first enclosed cavity;

the first ventilation device is arranged on the isolation main body in a spreading state and is used for communicating the first closed cavity with an external space, and the first ventilation device can enable the air pressure of the first closed cavity to be lower than that of the external space; and

the negative pressure chamber set up in first airtight intracavity, the negative pressure chamber includes enclosed construction and second breather, the enclosed construction can expand in order to form the cavity, the second breather intercommunication the enclosed construction with first airtight chamber, and be used for the adjustment the air pressure of enclosed construction is less than the air pressure in first airtight chamber.

In one embodiment, the device further comprises a passing device, wherein the passing device is arranged on the isolation main body in the unfolding state and encloses with the isolation main body to form a second closed cavity, and the second closed cavity is used for separating the first closed cavity from the external space.

In one embodiment, the isolation body includes a first communicating structure for communicating or isolating the first sealed cavity with the second sealed cavity, and the pass-through device includes a second communicating structure for communicating or isolating the second sealed cavity with the external space.

In one embodiment, the first communicating structure and the second communicating structure can be opened or closed, and when one of the first communicating structure and the second communicating structure is opened, the other one is in a closed state.

In one embodiment, the first ventilation device includes a first air intake mechanism and a first air exhaust mechanism, the first air intake mechanism is configured to deliver the purified air in the external space into the first sealed cavity, and the first air exhaust mechanism is configured to exhaust the purified air in the first sealed cavity into the external space.

In one embodiment, the first ventilation device further includes an adjusting mechanism, and the adjusting mechanism is configured to adjust the gas flow rates of the first gas inlet mechanism and the first gas outlet mechanism, so that the gas pressure of the first enclosed cavity is lower than the gas pressure of the external space.

In one embodiment, the negative pressure chamber is provided in plurality, and the plurality of negative pressure chambers is one or more of a reagent preparation chamber, a sample preparation chamber, and an analysis chamber.

In one embodiment, the hollow cavity includes a first cavity and a second cavity, the sealing structure includes a first opening and closing mechanism and a second opening and closing mechanism, the first opening and closing mechanism is used for communicating or isolating the first cavity with the second cavity, and the second opening and closing mechanism is used for communicating or isolating the second cavity with the first sealed cavity.

In one embodiment, the negative pressure chamber further comprises:

a support device capable of deploying the enclosure;

the detection device is used for detecting the air pressure inside the closed structure; and

and the second air interchanger is used for exchanging the purified gas inside and outside the closed structure so as to adjust the air pressure inside the closed structure to be lower than the air pressure inside the first closed cavity.

In one embodiment, the second ventilation device includes a second air intake mechanism, an exhaust mechanism, and a purification mechanism for purifying the gas passing through the second air intake mechanism and the gas passing through the exhaust mechanism;

the second air inlet mechanism is used for introducing air into the closed structure, and the exhaust mechanism is used for exhausting the air in the closed structure so as to adjust the air pressure in the closed structure to be lower than the air pressure in the first closed cavity.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

adopt isolation system, keep apart the main part and can expand in order to form first airtight chamber, negative pressure chamber's enclosed construction can expand in order to form the cavity to realize isolation system's portable, build fast, and first breather enables the atmospheric pressure in first airtight chamber and is less than the atmospheric pressure in exterior space, second breather adjustment enclosed construction's atmospheric pressure is less than the atmospheric pressure in first airtight chamber, for isolation system provides better negative pressure isolation effect, in order to carry out medical detection and analysis in the negative pressure chamber.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic diagram of an isolation system in one embodiment.

FIG. 2 is a top view of an isolation system in one embodiment.

Fig. 3 is an axial view from a perspective of the negative pressure chamber in one embodiment when deployed.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is an enlarged schematic view of part B in fig. 3.

Fig. 6 is an axial view of another perspective of the negative pressure chamber in one embodiment when deployed.

FIG. 7 is an axial view of the support assembly shown retracted in one embodiment.

Fig. 8 is an enlarged view of the portion C in fig. 7.

Fig. 9 is an enlarged view of the portion D in fig. 7.

Fig. 10 is a front view of the negative pressure chamber in one embodiment when deployed.

Fig. 11 is a sectional view taken along line E-E in fig. 10.

Fig. 12 is an enlarged view of the portion F in fig. 11.

Fig. 13 is an enlarged schematic view of the portion G in fig. 11.

Fig. 14 is an enlarged schematic view of the portion H in fig. 11.

Fig. 15 is a sectional view taken along line E-E of fig. 10 when the second opening and closing mechanism is opened.

Fig. 16 is a cross-sectional view taken along line E-E of fig. 10 with the first opening and closing mechanism opened.

Fig. 17 is a schematic connection diagram of the first connection bar/the second connection bar in this embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 17, an isolation system according to an embodiment is mainly used for forming an isolation space to perform an environmental space requiring negative pressure isolation, such as medical examination and analysis, and specifically includes: the isolation main body 10, the first ventilation device 20 and the negative pressure chamber 30, the isolation main body 10 can be unfolded to form a first closed cavity 11, the negative pressure chamber 30 is arranged in the first closed cavity 11, the negative pressure chamber 30 comprises a closed structure 100 and a second ventilation device, the closed structure 100 can be unfolded to form a hollow cavity, the closed structure 100 is a flexible structure or a folding structure which can be composed of a plurality of splicing plates, the folding structure can be folded to reduce the volume and is convenient to carry, a certain space is formed after the closed structure is unfolded to realize the movable and quick construction of the isolation system, the second ventilation device is communicated with the closed structure 100 and the first closed cavity 11 and is used for adjusting the air pressure of the closed structure 100 to be lower than the air pressure of the first closed cavity 11, the first ventilation device 20 is arranged on the isolation main body 10 in an unfolded state and is used for communicating the first closed cavity 11 with the external space, the first ventilation device 20 can enable the air pressure of the first closed cavity 11 to be lower than, therefore, the air pressure inside the closed structure 100 can be limited to be lower than the air pressure inside the first closed cavity 11, the air pressure inside the first closed cavity 11 is lower than the air pressure in the external space, the air pressure gradient change of the closed structure 100, the first closed cavity 11 and the external space can be controlled, and multi-level negative pressure limitation is performed, so that the harmful substances inside the closed structure 100 are prevented from leaking, a good negative pressure isolation effect is provided for an isolation system, and medical detection and analysis are performed in the negative pressure chamber 30.

In this embodiment, the isolation system further includes a passing device 40, the passing device 40 is disposed on the isolation main body 10 in the unfolded state, and the passing device 40 and the isolation main body 10 enclose to form a second sealed cavity 41, the second sealed cavity 41 is used for separating the first sealed cavity 11 from the external space, so as to prevent the air in the first sealed cavity 11 from directly flowing to the external space, and to prevent the harmful substances for medical detection and analysis from spreading to the outside.

In this embodiment, the isolation main body 10 includes a first communicating structure 12, the first communicating structure 12 is used to communicate or isolate the first sealed cavity 11 with the second sealed cavity 41, so as to implement communication or isolation between the first sealed cavity 11 and the second sealed cavity 41, during communication, a person can transfer between the first sealed cavity 11 and the second sealed cavity 41, the pass-through device 40 includes a second communicating structure 42, the second communicating structure 42 is used to communicate or isolate the second sealed cavity 41 with an external space, so as to implement communication or isolation between the second sealed cavity 41 and the external sealed space, during communication, the person can transfer between the second sealed cavity 41 and the external space, so as to control the person to transfer from the external space to the first sealed cavity 11 through the second sealed cavity 41 of the pass-through device 40, so as to avoid harmful substances of medical detection and analysis from spreading to the outside. Of course, in other embodiments, the plurality of passage means 40 may be provided, the plurality of passage means 40 may be spaced apart from each other, and the communication structure may be used to communicate or isolate the adjacent passage means 40, so as to better prevent the harmful substances for medical detection and analysis from being transmitted from the first sealed cavity 11 to the external space.

In the present embodiment, the first communicating structure 12 and the second communicating structure 42 can be opened or closed, and when one of the first communicating structure 12 and the second communicating structure 42 is opened, the other one is in a closed state, so as to prevent the first communicating structure 12 from directly communicating with the external space, and to prevent harmful substances for medical detection and analysis from partially propagating from the first sealed cavity 11 to the external space.

In this embodiment, the first ventilation device 20 includes a first air intake mechanism 21 and a first air exhaust mechanism 22, the first air intake mechanism 21 is configured to purify and convey air in an external space into the first sealed cavity 11, the first air exhaust mechanism 22 is configured to purify and exhaust air in the first sealed cavity 11 into the external space to realize air circulation and air purification between the first sealed cavity 11 and the external space, sterilize and disinfect and purify air in the external space and convey the air to the first sealed cavity 11 to prevent external air from polluting an internal space of the first sealed cavity 11, and simultaneously sterilize and disinfect and purify air in the first sealed cavity 11 and exhaust the air to the external space to prevent harmful substances from being transmitted from the first sealed cavity 11 to the external space.

In the present embodiment, the first ventilation device 20 further includes an adjusting mechanism for adjusting the gas flow rates of the first air intake mechanism 21 and the first exhaust mechanism 22 so that the air pressure of the first sealed cavity 11 is lower than the air pressure of the external space, so as to realize the negative pressure state of the first sealed cavity 11 and prevent harmful substances for medical detection and analysis from being partially transmitted from the first sealed cavity 11 to the external space.

In the present embodiment, the plurality of negative pressure chambers 30 are provided, the plurality of negative pressure chambers 30 are one or more of a reagent preparation chamber, a sample preparation chamber and an analysis chamber, so that the plurality of negative pressure chambers 30 are sequentially arranged into functional chambers for medical detection and analysis, so as to meet medical detection and analysis requirements, a corridor area 50 is provided in the first closed cavity 11, and the corridor area 50 is used for connecting each negative pressure chamber 30, so that the functional chambers subjected to medical detection and analysis are sequentially subjected to medical detection and analysis. The negative pressure chamber 30 is used to prevent harmful substances from being transmitted through the air, the harmful substances including harmful gas, harmful liquid, and harmful solid particles that can be transmitted with the air, and mycoplasma and pathogens that can be transmitted with the air, and the harmful substances including aerosol containing mycoplasma and/or pathogens. Of course, in other embodiments, the negative pressure chamber 30 can also be used to prevent the harmful substance from transmitting through other media, or other non-harmful substances, or applied to other situations requiring negative pressure, and is not limited herein.

In this embodiment, the negative pressure chamber 30 further includes a supporting device 200, a detecting device and a second ventilation device, the supporting device 200 can unfold the sealing structure 100, the detecting device is used for detecting the air pressure inside the sealing structure 200, the second ventilation device is used for exchanging the air inside and outside the sealing structure 100 after purifying the air, so as to adjust the air pressure inside the sealing structure 100 to be lower than the air pressure inside the first sealed cavity 11, so as to prevent the harmful substances detected and analyzed by medical science from spreading outwards from the hollow cavity, specifically, the second ventilation device includes a second air intake mechanism 500, an exhaust mechanism and a purifying mechanism, and the purifying mechanism is used for purifying the air passing through the second air intake mechanism 500 and the air passing through the exhaust mechanism; the second air inlet mechanism 500 is used for introducing air into the closed structure, and the exhaust mechanism is used for exhausting the air in the closed structure so as to adjust the air pressure in the closed structure 100 to be lower than the air pressure in the first closed cavity 11, so that the air exchange and the air purification between the first closed cavity 11 and the hollow cavity are realized. In this embodiment, the hollow cavity includes a first cavity 110 and a second cavity 120, the sealing structure 100 includes a first opening and closing mechanism 130 and a second opening and closing mechanism 140, the first opening and closing mechanism 130 is used for communicating or isolating the first cavity 110 with or from the second cavity 120, the second opening and closing mechanism 140 is used for communicating or isolating the second cavity 120 with or from the first sealed cavity 11, the first opening and closing mechanism 130 is disposed between the first cavity 110 and the second cavity 120, and the second opening and closing mechanism 140 is disposed between the second cavity 120 and the first sealed cavity 11, so that the second cavity 120 forms a buffer space between the first cavity 110 and the first sealed cavity 11, and when the first cavity 110 needs to be accessed, the negative pressure of the first cavity 110 can be delayed to return to the normal pressure, so as to prevent harmful substances for medical detection and analysis from being partially transmitted from the first cavity 110 to the first sealed cavity 11. Further, the first opening and closing mechanism 130 and the second opening and closing mechanism 140 are not opened at the same time, so as to further delay the negative pressure of the first cavity 110 from returning to the normal pressure.

In this embodiment, the plurality of movable negative pressure chambers 30 are placed in the first sealed cavity 11, so that the isolation system can be used as a multifunctional medical biosafety laboratory, and the isolation system can have necessary functions such as negative pressure isolation, sterilization, disinfection and the like which can be provided by the medical biosafety laboratory, and meanwhile, the isolation system has the advantages which are not possessed by building medical biosafety laboratories, such as portability, low cost, small occupied area and the like. When an epidemic situation spreading through aerosol occurs, the isolation system of the embodiment can be moved and quickly built to form a medical detection research laboratory with medical biological safety standards, and the medical detection analysis problems caused by small quantity of the existing medical biological safety laboratories and rare and long-distance distribution of laboratory sites can be effectively solved.

Referring to fig. 3, 6 and 10, the enclosure structure 100 includes a first structure 150 and a second structure 160. In the present embodiment, the sealing structure 100 is a flexible structure, and the shape of the first structure 150 and the second structure 160 after being unfolded may be a rectangular parallelepiped, a cylinder, a hemispherical body, or another shape capable of forming a certain space. In the present embodiment, both the first structure 150 and the second structure 160 have a rectangular parallelepiped shape. In particular, the first structure body 150 includes a first bottom section 151, a first top section 152, and a first side section 153 located between the first bottom section 151 and the first top section 152, the first bottom section 151, the first top section 152, and the first side section 153 expanding to form the first cavity 110. The second structure 160 includes a second bottom section 161, a second top section 162, and a second side section 163 located between the second bottom section 161 and the second top section 162, the second bottom section 161, the second top section 162, and the second side section 163 expanding to form the second cavity 120. The second structure 160 is disposed at the first side branch 153. In this embodiment, the first opening and closing mechanism 130 and the second opening and closing mechanism 140 are oppositely disposed at the second side portion 163, the first opening and closing mechanism 130 includes two first opening and closing portions 131, the two first opening and closing portions 131 are magnetically attracted or mechanically connected to each other to be closed, and a sealing structure is further disposed between the two first opening and closing portions 131 to ensure that the first cavity 110 is isolated from the second cavity 120 when closed. The first side subsection 153 also has a viewing window 1531 made of transparent medium.

In this embodiment, the first opening and closing mechanism 130 is a door body structure for people to enter and exit, and the first opening and closing portion 131 is a flexible structure, for example, the first opening and closing portion 131 is a flexible curtain, and two first opening and closing portions 131 are folded away from each other to form a passage for entering and exiting the first cavity 110. It is understood that in other embodiments, the top and the side away from another first opening and closing portion 131 of the first opening and closing portion 131 are integrally connected to the enclosing structure 100, the bottom of the first opening and closing portion 131 is detachably connected to the enclosing structure 100, and the connection can also be achieved by a magnetic attraction manner or a mechanical connection manner, and a sealing structure is disposed between the bottom of the first opening and closing portion 131 and the enclosing structure 100 to ensure that the first cavity 110 is isolated from the second cavity 120 when closed. That is, an L-shaped joint is formed between adjacent first opening/closing portions 131 and the bottom of the first opening/closing portion 131, and the first opening/closing portion 131 is lifted along the L-shaped joint to enter and exit the first cavity 110.

In this embodiment, the second opening and closing mechanism 140 includes two second opening and closing portions 141, the two second opening and closing portions 141 are closed by a magnetic attraction manner or a mechanical connection manner, and a sealing structure is further disposed between the two second opening and closing portions 141 to ensure that the second cavity 120 is isolated from the first sealed cavity 11 when closed.

The second opening and closing mechanism 140 is a door structure for people to get in and out, the second opening and closing portion 141 is a flexible structure, for example, the second opening and closing portion 141 is a flexible curtain, and two second opening and closing portions 141 are folded in a manner of deviating from each other to form a passage for getting in and out of the second cavity 120. It is understood that in other embodiments, the top and the side of the second opening and closing portion 141 away from the other second opening and closing portion 141 are integrally connected to the sealing structure 100, the bottom of the second opening and closing portion 141 is detachably connected to the sealing structure 100, and the connection can also be achieved by a magnetic attraction manner or a mechanical connection manner, and a sealing structure is disposed between the bottom of the second opening and closing portion 141 and the sealing structure 100 to ensure that the second chamber 120 is isolated from the first sealed chamber 11 when closed. That is, an L-shaped connecting seam is formed between adjacent second opening/closing portions 141 and the bottom of the second opening/closing portion 141, and the second opening/closing portion 141 is lifted along the L-shaped connecting seam to enter and exit the second cavity 120. When the first opening and closing mechanism 130 and the second opening and closing mechanism 140 are closed, the sealing structure 100 is a full sealing structure, and gas can be exchanged only by the second ventilation device, so that absolute isolation of harmful substances from the outside is ensured.

Further, the support device 200 is capable of deploying the enclosure 100. Specifically, the support device 200 includes a plurality of support mechanisms. Adjacent supporting mechanism can connect as an organic whole when being close to, and accessible magnetism is inhaled the mode or mechanical mode and is connected. The closure structure 100 can be deployed when adjacent support mechanisms are far apart. Furthermore, a telescopic rod is arranged at the top of the supporting mechanism and can be contained in the supporting mechanism. When the adjacent supporting mechanisms are far away from each other, the height of each supporting mechanism cannot meet the requirement that when the closed structure 100 is expanded in the axial direction of the adjacent supporting mechanisms, the telescopic rods extend out of the supporting mechanisms and are locked to improve the height of the supporting mechanisms, the closed structure 100 is expanded into a final shape, and the closed structure 100 is connected with the supporting mechanisms and the telescopic rods through connecting pieces. The bottom of the support mechanism has rollers 210 to facilitate the approach and departure of adjacent support mechanisms. The roller 210 is provided with a locking portion that locks the roller 210 after the support mechanism has moved to a predetermined position, to prevent the support mechanism from moving. The presence of the rollers 210 simultaneously facilitates the movement of the support device 200 as a whole, and the enclosing structure 100 is a flexible structure, so that the negative pressure chamber 30 has a greater portability as a whole when it is retracted.

In this embodiment, the supporting device 200 includes a first supporting mechanism 220, a second supporting mechanism 230, a third supporting mechanism 240 and a fourth supporting mechanism 250, the first supporting mechanism 220 and the second supporting mechanism 230 and the third supporting mechanism 240 and the fourth supporting mechanism 250 are connected through a magnetic element, an elastic element is wrapped around the magnetic element to reduce impact caused by collision during connection, and the first supporting mechanism 220 and the fourth supporting mechanism 250 and the second supporting mechanism 230 and the third supporting mechanism 240 are connected through a lock catch 260. The lock catch 260 includes a connection block 261 and a connection groove, the connection block 261 is rotatable with respect to the first/second supporting mechanisms 220/230, a connection protrusion 2611 is formed thereon to match the connection groove formed on the third/fourth supporting mechanisms 240/250, and the connection block 261 and the connection groove may be magnetically or mechanically connected. Further, the piece is inhaled to magnetism is electromagnetic, is provided with touch switch 270 on the strutting arrangement 200, can realize the outage and the circular telegram of the piece of magnetism through touch switch 270 to the magnetic attraction that the piece was inhaled to messenger disappears and forms. The elastic component is extruded and forms the elastic force after magnetic attraction forms, and when magnetic attraction disappears, under the effect of elastic force, first supporting mechanism 220 and second supporting mechanism 230 that link as an organic whole through hasp 260 and third supporting mechanism 240 and fourth supporting mechanism 250 that link as an organic whole through hasp 260 can bounce each other, conveniently expand as whole first supporting mechanism 220 and second supporting mechanism 230 and third supporting mechanism 240 and fourth supporting mechanism 250 as a whole with the help of inertia. The piece is inhaled to magnetism produces touching touch switch 270 once after the magnetic attraction, and the magnetic attraction disappears, touches touch switch 270 once again, and the magnetic attraction produces again.

Further, the detection device is used for detecting the air pressure inside the enclosure 100. Specifically, the detection device includes a first detection device 300 and a second detection device 400, the first detection device 300 is used for detecting the air pressure of the first cavity 110, and the second detection device 400 is used for detecting the air pressure of the second cavity 120.

Further, the second ventilation device is used for exchanging the purified gas inside and outside the closed structure 100 so as to adjust the pressure inside the closed structure 100 to be lower than the pressure inside the first closed cavity 11. When the first cavity 110 needs to be entered, the second air interchanger is matched with the buffering function of the second cavity 120, and the negative pressure of the first cavity 110 can be further delayed to be recovered to the normal pressure by increasing the discharge amount of the gas in the closed structure 100, so that the first cavity 110 is still negative pressure in a short time, and the harmful substances are prevented from being leaked. Further, the second ventilation device is a fresh air device with a purification function, and the second ventilation device includes a second air intake mechanism 500, an exhaust mechanism and a purification mechanism, and the purification mechanism is used for purifying the gas passing through the second air intake mechanism 500 and the gas passing through the exhaust mechanism. The second air intake mechanism 500 is used for supplying air into the enclosed structure 100, and the exhaust mechanism is used for exhausting the air in the enclosed structure 100 so as to adjust the air pressure in the enclosed structure 100 to be lower than the air pressure in the first enclosed cavity 11.

Specifically, the exhaust mechanism includes the second exhaust mechanism 600 and the third exhaust mechanism 700. The second exhaust mechanism 600 is communicated with the first cavity 110, and is used for adjusting the air pressure of the first cavity 110 to be negative pressure. The third exhaust mechanism 700 is communicated with the second chamber 120, and is configured to adjust the air pressure of the second chamber 120 to be a negative pressure. The second air inlet mechanism 500 includes a first air inlet end 510, a first air outlet end 520, and a first channel 530 between the first air inlet end 510 and the first air outlet end 520, and the air in the first enclosed cavity 11 can enter the first cavity 110 through the first channel 530. The second exhaust mechanism 600 includes a second gas inlet end 610, a second gas outlet end 620, and a second channel 630 between the second gas inlet end 610 and the second gas outlet end 620, and the gas in the first cavity 110 can be exhausted out of the first cavity 110 through the second channel 630. The second chamber 120 can be filled with air by opening the first opening and closing mechanism 130 and the second opening and closing mechanism 140. The third exhaust mechanism 700 includes a third inlet end 710, a third outlet end 720, and a third channel 730 located between the third inlet end 710 and the third outlet end 720, and the gas in the second cavity 120 can be exhausted out of the second cavity 120 through the third channel 730. The purification mechanism comprises a first air purification net 540 arranged on the first channel 530 and a second air purification net 640/740 arranged on the second channel 630 and the third channel 730, the first air purification net 540 and the second air purification net 640/740 are HEPA filter screens, and the second air purification net 640/740 further has a sterilization and disinfection function to ensure that the exhaust gas is free of harmful substances.

Further, the negative pressure value of the first cavity 110 is greater than the negative pressure value of the second cavity 120 through the combined action of the second air intake mechanism 500, the second air exhaust mechanism 600 and the third air exhaust mechanism 700. A pressure gradient is formed from the first chamber 110, the second chamber 120 to the first sealed chamber 11 to prevent the harmful material from directly diffusing into the first sealed chamber 11 when entering the first chamber 110. As shown in fig. 17, further, the detachable connection position of the first opening and closing portion 131 and the connection position between the adjacent first opening and closing portions 131 have first connection bars 132, and the connection position between the adjacent first opening and closing portions 131 has the first connection bar 132 fixedly connected with one of the first opening and closing portions 131. The first connecting strips 132 are located at the circumferential direction of the first opening and closing portion 131 and at one side far away from the first cavity 110, because the negative pressure value of the first cavity 110 is greater than the negative pressure value of the second cavity 120, the first connecting strips 132 are adsorbed at each joint to ensure that the first cavity 110 is isolated from the second cavity 120, and the surface of the first connecting strips 132 is treated to reduce the sliding friction force thereof, so as to reduce the opening resistance of the first opening and closing portion 131. The first connecting bar 132 may be made of a flexible material, and may deform under the action of air pressure, so as to further ensure the isolation between the first cavity 110 and the second cavity 120. Similarly, the detachable connection position between the second opening/closing portion 141 and the closing structure 100 and the connection position between the adjacent second opening/closing portions 141 are provided with a second connecting strip 142, and the second connecting strip 142 provided at the connection position between the adjacent second opening/closing portions 141 is fixedly connected with one of the second opening/closing portions 141. The second connecting strip 142 is located at the circumferential direction of the second opening and closing portion 141 and is far away from one side of the second cavity 120, due to the negative pressure, the second connecting strip 142 is adsorbed at each joint, so that the second cavity 120 is ensured to be isolated from the first airtight cavity 11, the surface of the second connecting strip 142 is treated to reduce the sliding friction force of the second connecting strip, and the opening resistance of the second opening and closing portion 141 is further reduced. The second connecting strip 142 may be made of a flexible material, and may deform under the action of air pressure, so as to further ensure that the second cavity 120 is isolated from the first sealed cavity 11.

Further, the supporting mechanism comprises bodies, at least one of the bodies is provided with a second air inlet mechanism 500, and at least one of the bodies is provided with an exhaust mechanism. At least one of the bodies is provided with an operation console, and the operation console controls the flow rate of the gas passing through the second gas inlet means 500 and the flow rate of the gas passing through the gas outlet means according to the gas pressure value detected by the detection means.

Specifically, the first supporting mechanism 220 includes a first body 221, a second air inlet mechanism 500 is disposed in the first body 221, the first air outlet end 520 is communicated with the first cavity 110, a roller 210 is disposed at the bottom of the first body 221, a first telescopic rod 222 capable of extending out of the top of the first body 221 is accommodated in the first body 221, an operation console is further disposed in the first body 221, the operation console includes a display screen 223, a processing unit, a receiving unit, a sending unit and a report generating unit, and the processing unit is configured to control the air flow passing through the second air inlet mechanism 500, the air flow passing through the second air outlet mechanism 600 and the air flow passing through the third air outlet mechanism 700 according to the air pressure values detected by the first detecting device 300 and the second detecting device 400. The receiving unit is used to receive an external signal, for example, a control signal, to control the operation of the negative pressure chamber 30. The transmitting unit is used to transmit signals, for example, operation information of the negative pressure chamber 30, etc., to the outside. The report generating unit is used for generating and deriving a paper report from the report outlet 224 of the first body 221, and the paper report may include monitoring data of the state information of the negative pressure chamber 30 for a period of time or an examination report of a medical experiment, etc. The display screen 223 is disposed at the top end of the first body 221, and is used for displaying the air pressure values of the first detection device 300 and the second detection device 400, the air flow rates of the second air intake mechanism 500, the second air exhaust mechanism 600 and the third air exhaust mechanism 700, reports of medical experiments, and the like, and the display screen 223 has an interaction function.

Further, the second supporting mechanism 230 includes a second body 231, a third exhaust mechanism 700 is disposed in the second body 231, a third air inlet end 710 is communicated with the second cavity 120, rollers 210 are disposed at the bottom of the second body 231, and a second telescopic rod 232 capable of extending out from the top of the second body 231 is accommodated in the second body 231. The second body 231 also forms a storage slot 233 for storing items. As shown in fig. 9, the touch switch 270 is disposed on the second body 231, and is a foot touch switch, on which a sliding prevention portion 271 is disposed and can rotate relative to the second body 231. In the present embodiment, the second structure 160 is disposed between the first support mechanism 220 and the second support mechanism 230, and as the second structure 160 is simultaneously deployed with the deployment of the first side branch 153, a skeleton is provided within the second structure 160 to maintain the shape of the second structure 160. As shown in fig. 4 and 5, a cross beam 800 is further disposed between the first telescopic rod 222 and the second telescopic rod 232 to ensure the tension at the first side branch 153 of the second structural body 160, and cooperate with the framework to better maintain the shape of the second structural body 160. As shown in fig. 11, 15 and 16, the second structural body 160 is partially received in the first cavity 110 to further improve the strength of the second structural body 160. The two ends of the beam 800 are further provided with a stop 801 to prevent the beam 800 from moving relative to the first telescopic rod 222 and the second telescopic rod 232. Crossbeam 800 includes a plurality of branches 810, and articulated and folding each other of accomodating through hinge 820 between the adjacent branch 810 still is provided with round pin shaft coupling assembling 830 between the adjacent branch 810, and each branch 810 is fixed through round pin shaft coupling assembling 830 after expanding to guarantee crossbeam 800 integral rigidity.

Further, the third supporting mechanism 240 includes a third body 241, a second exhaust mechanism 600 is disposed in the third body 241, a second air inlet 610 is communicated with the first cavity 110, a roller 210 is disposed at the bottom of the third body 241, and a third telescopic rod 242 capable of extending out from the top of the third body 241 is accommodated in the third body 241. The first air outlet end 520 and the second air inlet end 610 are arranged diagonally, which is beneficial to the rapid diffusion of the air entering the first cavity 110, and air with higher oxygen content can be introduced from the first channel 530; when the first chamber 110 needs to be sterilized, sterilizing gas can be introduced from the first channel 530; when it is required to remove or react the harmful material in the first chamber 110, a corresponding gas may be introduced through the first passage 530.

Further, the fourth supporting mechanism 250 includes a fourth body 251, and a backup battery may be disposed in the fourth body 251 to ensure that the negative pressure chamber 30 can still operate when the external power supply to the negative pressure chamber 30 is stopped. The fourth body 251 is provided at the bottom thereof with a roller 210, and the fourth body 251 accommodates a fourth telescopic rod 252 which can be extended from the top thereof.

When the supporting device 200 is contracted, the first supporting mechanism 220, the second supporting mechanism 230, the third supporting mechanism 240 and the fourth supporting mechanism 250 can surround to form an accommodating space 280, and the closed structure 100 can be accommodated in the accommodating space 280 after being contracted and the cross beam 800 is folded, so that the portability of the negative pressure chamber 30 when being contracted is improved.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (10)

1. An isolation system, comprising:

an isolation body deployable to form a first enclosed cavity;

the first ventilation device is arranged on the isolation main body in a spreading state and is used for communicating the first closed cavity with an external space, and the first ventilation device can enable the air pressure of the first closed cavity to be lower than that of the external space; and

the negative pressure chamber set up in first airtight intracavity, the negative pressure chamber includes enclosed construction and second breather, the enclosed construction can expand in order to form the cavity, the second breather intercommunication the enclosed construction with first airtight chamber, and be used for the adjustment the air pressure of enclosed construction is less than the air pressure in first airtight chamber.

2. The isolation system of claim 1, further comprising a pass-through device disposed on the isolation body in the deployed state and enclosing the isolation body to form a second enclosed chamber for separating the first enclosed chamber from the exterior space.

3. The isolation system of claim 2, wherein the isolation body comprises a first communication structure for communicating or isolating the first enclosed chamber with the second enclosed chamber, and the pass-through device comprises a second communication structure for communicating or isolating the second enclosed chamber with the external space.

4. An isolation system as claimed in claim 3, wherein the first and second communicating formations are openable or closable, one of the first and second communicating formations being open and the other being closed.

5. The isolation system of claim 1, wherein the first air exchange device comprises a first air intake mechanism and a first air exhaust mechanism, the first air intake mechanism is configured to purify and convey air in the external space into the first sealed cavity, and the first air exhaust mechanism is configured to purify and exhaust air in the first sealed cavity into the external space.

6. The isolation system of claim 5, wherein the first air-moving device further comprises an adjustment mechanism for adjusting the air flow of the first air-intake mechanism and the first air-exhaust mechanism so that the air pressure of the first enclosed chamber is lower than the air pressure of the external space.

7. The isolation system of claim 1, wherein the negative pressure chamber is provided in a plurality of one or more of a reagent preparation chamber, a sample preparation chamber, and an analysis chamber.

8. The isolation system of claim 1, wherein the hollow cavity comprises a first cavity and a second cavity, the closure structure comprises a first opening and closing mechanism and a second opening and closing mechanism, the first opening and closing mechanism is used for communicating or isolating the first cavity with the second cavity, and the second opening and closing mechanism is used for communicating or isolating the second cavity with the first closed cavity.

9. The isolation system of claim 1, wherein the negative pressure chamber further comprises:

a support device capable of deploying the enclosure;

the detection device is used for detecting the air pressure inside the closed structure; and

and the second air interchanger is used for exchanging the purified gas inside and outside the closed structure so as to adjust the air pressure inside the closed structure to be lower than the air pressure inside the first closed cavity.

10. The isolation system of claim 9, wherein the second air-breathing device includes a second air-intake mechanism, an air-exhaust mechanism, and a purification mechanism for purifying the gas passing through the second air-intake mechanism and the gas passing through the air-exhaust mechanism;

the second air inlet mechanism is used for introducing air into the closed structure, and the exhaust mechanism is used for exhausting the air in the closed structure so as to adjust the air pressure in the closed structure to be lower than the air pressure in the first closed cavity.

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