CN219550768U - Laboratory pressure difference control system - Google Patents
Laboratory pressure difference control system Download PDFInfo
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- CN219550768U CN219550768U CN202320673211.6U CN202320673211U CN219550768U CN 219550768 U CN219550768 U CN 219550768U CN 202320673211 U CN202320673211 U CN 202320673211U CN 219550768 U CN219550768 U CN 219550768U
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Abstract
The utility model relates to the technical field of laboratory pressure difference control, and discloses a laboratory pressure difference control system which comprises a wall body, wherein an installation block is slidably connected to the inner side of the wall body, chambers are respectively arranged in the middle parts of the upper end and the lower end of the installation block, moving blocks are slidably connected to the inner sides of the chambers, clamping blocks are fixedly connected to the middle parts of the two moving blocks, which are far away from one another, of the two moving blocks, a groove is formed in the middle of the outer side of the installation block, an air bag is arranged in the inner side of the groove, the upper end of the rear side of the air bag is fixedly connected to one end of an inflation tube, a pressurizing air pump is arranged in the inner side of one end of the lower part of the installation block, a depressurizing air pump is arranged in the inner side of the other end of the lower part of the installation block, a pressure difference sensor is fixedly connected to one side of the upper end of the front part of the installation block, and a controller is fixedly connected to one side of the upper end of the front part of the installation block. According to the utility model, by pressing the push-pull block, the system can be quickly assembled and disassembled, and the effect of checking and maintaining the system in daily life is facilitated.
Description
Technical Field
The utility model relates to the technical field of laboratory pressure difference control, in particular to a laboratory pressure difference control system.
Background
The difference of the air pressure of the indoor and the outdoor of the outer window is indicated in the building, when the air pressure of the outdoor surface is larger than that of the indoor surface, the difference of the air pressure is set to be positive, otherwise, the difference of the air pressure is set to be negative, the pressure unit is expressed in Pa, a certain pressure difference exists between the laboratory and the outside of the laboratory, and some experiments also need to use different pressure differences to perform experimental operation, so that a laboratory pressure difference control system is needed to control the pressure difference in the laboratory.
However, the laboratory pressure difference control system cannot be quickly assembled and disassembled, so that the laboratory pressure difference control system is inconvenient to check and maintain for workers in daily life, and gaps possibly exist between the laboratory pressure difference control system and a laboratory wall body, so that the laboratory air is communicated with the outdoor air, and the laboratory pressure difference control system cannot work normally.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a laboratory differential pressure control system.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: laboratory differential pressure control system, which comprises a wall body, the inboard sliding connection of wall body has the installation piece, the inside cavity that all is provided with in installation piece upper and lower end middle part, the equal sliding connection in cavity has the movable block, two the equal fixedly connected with fixture block in one end middle part is kept away from each other to the movable block, installation piece outside middle part is provided with the recess, the recess inboard is provided with the gasbag, gasbag rear side upper end fixed connection is in gas tube one end, installation piece lower part one end inboard is provided with the pressurization air pump, installation piece lower part other end inboard is provided with the decompression air pump, installation piece anterior upper end one side fixedly connected with pressure differential sensor, installation piece anterior upper end one side fixedly connected with controller.
As a further description of the above technical solution:
the wall body is internal upper and lower lateral wall both ends all are provided with T shape spout, the inboard all sliding connection of T shape spout has T shape slider, T shape slider is close to controller one end and is fixed connection respectively at installation piece upper and lower side both ends.
As a further description of the above technical solution:
the inner side wall of the cavity is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with one end of the two moving blocks, which are close to each other, and the middle part of the front side of the moving block is fixedly connected with a push-pull block.
As a further description of the above technical solution:
the wall body inner roof front and back side all is provided with the draw-in groove, the inboard all block of draw-in groove has the fixture block.
As a further description of the above technical solution:
the other end of the air charging pipe is fixedly connected with the air outlet end of the air charging pump, and the air charging pump is arranged in the upper end of the rear side of the mounting block.
As a further description of the above technical solution:
the air outlet end of the front side of the pressurizing air pump is fixedly connected with an air inlet pipe, and the middle part of the air inlet pipe is provided with a first electromagnetic valve.
As a further description of the above technical solution:
the front side air inlet end of the decompression air pump is fixedly connected with an air outlet pipe, and the middle part of the air outlet pipe is provided with a second electromagnetic valve.
As a further description of the above technical solution:
the controller is electrically connected with a pressurizing air pump, a depressurizing air pump, a first electromagnetic valve, a second electromagnetic valve and an inflating air pump.
The utility model has the following beneficial effects:
according to the utility model, the T-shaped sliding block is inserted into the T-shaped sliding groove by pressing the push-pull block, after the T-shaped sliding block is inserted into the T-shaped sliding groove, the push-pull block is loosened, the spring pushes the moving block to move, the moving block drives the clamping block to move, one end of the clamping block moves out of the cavity, the clamping block is clamped with the clamping groove, and the system can be pulled out of the wall body by pressing the push-pull block and the clamping groove is not clamped with the clamping block when the system is disassembled, so that the system can be quickly assembled and disassembled, and the effect of checking and maintaining the system in daily life is facilitated.
In the utility model, when the system is installed on a wall body of a laboratory, the controller starts the inflation pump, the inflation pump operates, air is conveyed into the air bag by the inflation pipe, the air bag expands, a gap between the installation block and the wall body is blocked, the communication between the air in the laboratory and the outside air is avoided, and the normal working effect of the system is ensured.
Drawings
FIG. 1 is a schematic perspective view of a laboratory differential pressure control system according to the present utility model;
FIG. 2 is a schematic rear perspective view of a mounting block of the pressure differential control system of the laboratory of the present utility model;
FIG. 3 is a schematic perspective view of a wall of a differential pressure control system for a laboratory according to the present utility model;
FIG. 4 is a schematic perspective view of an airbag of a laboratory differential pressure control system according to the present utility model;
fig. 5 is a front cross-sectional view of a chamber of a laboratory differential pressure control system according to the present utility model.
Legend description:
1. a mounting block; 2. a groove; 3. an air bag; 4. an inflation tube; 5. an inflation air pump; 6. a chamber; 7. a spring; 8. a clamping block; 9. a push-pull block; 10. a clamping groove; 11. a wall body; 12. t-shaped sliding grooves; 13. a T-shaped slider; 14. a differential pressure sensor; 15. a controller; 16. a pressurized air pump; 17. an air inlet pipe; 18. an electromagnetic valve I; 19. a second electromagnetic valve; 20. an air outlet pipe; 21. a decompression air pump; 22. and (5) moving the block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the laboratory pressure difference control system comprises a wall body 11, wall body 11 inboard sliding connection has installation piece 1, installation piece 1 upper and lower extreme middle part is inside all to be provided with cavity 6, cavity 6 inboard all sliding connection has movable block 22, two movable blocks 22 keep away from the equal fixedly connected with fixture block 8 in one end middle part each other, conveniently through pressing push-and-pull block 9, draw-in groove 10 does not block fixture block 8, can take out the system in wall body 11, installation piece 1 outside middle part is provided with recess 2, recess 2 inboard is provided with gasbag 3, gasbag 3 rear side upper end fixed connection is in pneumatic tube 4 one end, installation piece 1 lower part one end inboard is provided with pressurization air pump 16, the convenience starts pneumatic air pump 5 through controller 15, pneumatic air pump 5 operation, carry the gasbag 3 with the pneumatic tube 4 in, gasbag 3 inflation, keep away from the gap in the middle of installation piece 1 and wall body 11, installation piece 1 lower part other end inboard is provided with decompression air pump 21, installation piece 1 front portion upper end one side fixedly connected with pressure sensor 14, installation piece 1 front portion upper end one side fixedly connected with controller 15, make things convenient for the staff to open the laboratory through indoor sensor 14, when the pressure sensor 14 is low, when the pressure sensor 16 is opened in the laboratory, when the laboratory pressure sensor 16 is opened, the atmospheric pressure is opened in the laboratory, the laboratory pressure is reduced, the atmospheric pressure is increased when the laboratory pressure is increased, the atmospheric pressure is increased, the laboratory pressure is increased, and laboratory pressure is increased, laboratory pressure is 16, and laboratory pressure is used, and laboratory pressure is air pressure is increased, and laboratory pressure is air, and is used.
T-shaped sliding grooves 12 are formed in two ends of the upper side wall and the lower side wall in the wall 11, T-shaped sliding blocks 13 are slidably connected to the inner sides of the T-shaped sliding grooves 12, one end, close to a controller 15, of each T-shaped sliding block 13 is fixedly connected to two ends of the upper side and the lower side of the installation block 1 respectively, the T-shaped sliding blocks 13 are conveniently used for sliding on the inner sides of the T-shaped sliding grooves 12, the installation block 1 is placed in the wall 11, one side wall in a cavity 6 is fixedly connected to one end of a spring 7, the other end of the spring 7 is fixedly connected to one end, close to one end of two moving blocks 22 respectively, the middle part of the front side of the moving block 22 is fixedly connected with a push-pull block 9, the push-pull block 9 is conveniently pressed, the moving blocks 22 can move, the push-pull blocks 9 are released, the spring 7 pushes the moving blocks 22 to move, the clamping blocks 8 are conveniently driven to move by the moving blocks, clamping grooves 10 are respectively arranged on the front side and the rear side of the inner top wall of the wall 11, the clamping grooves 10 are conveniently used for clamping the clamping blocks 8, the installation block 1 is fixed, the other end of the air charging pipe 4 is fixedly connected with the air outlet end of the air charging pump 5, the air charging pump 5 is arranged in the upper end of the rear side of the installation block 1, the air charging pump 3 is conveniently inflated by the air charging pump 5, the air outlet end of the front side of the air charging pump 16 is fixedly connected with the air inlet pipe 17, the middle part of the air inlet pipe 17 is provided with the electromagnetic valve I18, when the air pressure in a laboratory is too low, the air charging pump 16 is conveniently started by opening the electromagnetic valve I18 by the controller 15, the air charging pump 16 conveys air into the laboratory, the air pressure in the laboratory is increased, the air inlet end of the front side of the air discharging pump 21 is fixedly connected with the air outlet pipe 20, the middle part of the air outlet pipe 20 is provided with the electromagnetic valve II 19, when the air pressure in the laboratory is too high, the electromagnetic valve II 19 is opened, the air discharging pump 21 is conveniently started, the air in the laboratory is conveniently operated, the air in the laboratory is discharged, the air pressure in the laboratory is reduced, the controller 15 is electrically connected with the pressurizing air pump 16, the depressurizing air pump 21, the electromagnetic valve I18, the electromagnetic valve II 19 and the inflating air pump 5, and the pressurizing air pump 16, the depressurizing air pump 21, the electromagnetic valve I18, the electromagnetic valve II 19 and the inflating air pump 5 are conveniently controlled by the controller 15.
Working principle: when the system is used, through pressing push-pull block 9, insert T shape slider 13 into T shape spout 12, after T shape slider 13 inserts T shape spout 12, loosen push-pull block 9, spring 7 promotes movable block 22 and removes, movable block 22 drives fixture block 8 and removes, fixture block 8 one end shifts out cavity 6, fixture block 8 block draw-in groove 10, accomplish the installation to the system, when dismantling, through pressing push-pull block 9, draw-in groove 10 does not block fixture block 8, can follow wall 11 with the system and take out, realize that the system can install fast and dismantle, be convenient for daily to its inspection maintenance, install the system on wall 11 of laboratory, start inflation air pump 5 through controller 15, inflation air pump 5 operation, carry the gasbag 3 with the air utilization gas tube 4, the gasbag 3 inflation, the gap in the middle of installation piece 1 and wall 11 is plugged up, realized having avoided laboratory air and external air to communicate, the effect that the system can normally carry out work is guaranteed, the staff observes the laboratory air pressure through pressure sensor 14, when the laboratory air pressure is too low, can be followed wall 11, realize that the system is taken out, realize opening electromagnetic valve one 18, 16 is opened in the laboratory air pump, 16 is taken out, in the laboratory air pump is opened, the atmospheric pressure is 21, the laboratory air pump is carried in the laboratory air pressure, the atmospheric pressure is reduced, and the atmospheric pressure is 21 is reduced, the atmospheric pressure is carried in the laboratory air pump is reduced, the laboratory air pressure is carried the atmospheric pressure, and the atmospheric pressure 21 is reduced, the atmospheric pressure is the atmospheric pressure 21 is the laboratory pressure is carried the atmospheric pressure.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. Laboratory pressure difference control system, including wall body (11), its characterized in that: the wall body (11) inboard sliding connection has installation piece (1), inside cavity (6) that all is provided with in lower extreme middle part about installation piece (1), equal sliding connection in cavity (6) inboard has movable block (22), two equal fixedly connected with fixture block (8) in one end middle part is kept away from each other to movable block (22), installation piece (1) outside middle part is provided with recess (2), recess (2) inboard is provided with gasbag (3), gasbag (3) rear side upper end fixed connection is in gas tube (4) one end, installation piece (1) lower part one end inboard is provided with pressurization air pump (16), installation piece (1) lower part other end inboard is provided with decompression air pump (21), installation piece (1) anterior upper end one side fixedly connected with pressure differential sensor (14), installation piece (1) anterior upper end one side fixedly connected with controller (15).
2. The laboratory pressure differential control system according to claim 1, wherein: t-shaped sliding grooves (12) are formed in two ends of the upper side wall and the lower side wall in the wall body (11), T-shaped sliding blocks (13) are slidably connected to the inner sides of the T-shaped sliding grooves (12), and one ends, close to a controller (15), of the T-shaped sliding blocks (13) are fixedly connected to two ends of the upper side and the lower side of the installation block (1) respectively.
3. The laboratory pressure differential control system according to claim 1, wherein: the inner side wall of the cavity (6) is fixedly connected with one end of a spring (7), the other end of the spring (7) is fixedly connected with one end of two moving blocks (22) close to each other, and the middle part of the front side of each moving block (22) is fixedly connected with a push-pull block (9).
4. The laboratory pressure differential control system according to claim 1, wherein: clamping grooves (10) are formed in the front side and the rear side of the inner top wall of the wall body (11), and clamping blocks (8) are clamped on the inner sides of the clamping grooves (10).
5. The laboratory pressure differential control system according to claim 1, wherein: the other end of the air charging pipe (4) is fixedly connected with the air outlet end of the air charging pump (5), and the air charging pump (5) is arranged inside the upper end of the rear side of the mounting block (1).
6. The laboratory pressure differential control system according to claim 1, wherein: the front side air outlet end of the pressurizing air pump (16) is fixedly connected with an air inlet pipe (17), and an electromagnetic valve I (18) is arranged in the middle of the air inlet pipe (17).
7. The laboratory pressure differential control system according to claim 1, wherein: the front air inlet end of the decompression air pump (21) is fixedly connected with an air outlet pipe (20), and the middle part of the air outlet pipe (20) is provided with a second electromagnetic valve (19).
8. The laboratory pressure differential control system according to claim 1, wherein: the controller (15) is electrically connected with a pressurizing air pump (16), a depressurizing air pump (21), a first electromagnetic valve (18), a second electromagnetic valve (19) and an inflating air pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673211.6U CN219550768U (en) | 2023-03-30 | 2023-03-30 | Laboratory pressure difference control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673211.6U CN219550768U (en) | 2023-03-30 | 2023-03-30 | Laboratory pressure difference control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219550768U true CN219550768U (en) | 2023-08-18 |
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ID=87701269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320673211.6U Active CN219550768U (en) | 2023-03-30 | 2023-03-30 | Laboratory pressure difference control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219550768U (en) |
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2023
- 2023-03-30 CN CN202320673211.6U patent/CN219550768U/en active Active
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