CN213237901U - Pressure intensity balancing device in cabinet and clean constant humidity equipment comprising same - Google Patents
Pressure intensity balancing device in cabinet and clean constant humidity equipment comprising same Download PDFInfo
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- CN213237901U CN213237901U CN202022050210.5U CN202022050210U CN213237901U CN 213237901 U CN213237901 U CN 213237901U CN 202022050210 U CN202022050210 U CN 202022050210U CN 213237901 U CN213237901 U CN 213237901U
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Abstract
The utility model relates to a constant humidity equipment technical field discloses an interior pressure balancing unit of cabinet and clean constant humidity equipment, the interior pressure balancing unit of cabinet includes the isolation ward, air inlet turbine centrifugal fan, return air turbine centrifugal fan, the air-supply line, the air-out pipeline, air inlet connecting plate and air-out connecting plate, be equipped with fresh air inlet and exhaust vent on the isolation ward lateral wall, the air inlet connecting plate sets up on the lateral wall of isolation ward, be equipped with first hole on the air inlet connecting plate, the diameter of first hole is greater than the diameter of fresh air inlet, and be greater than the diameter of air inlet turbine centrifugal fan air intake, the air-out connecting plate sets up on the lateral wall of isolation ward, be equipped with the second hole on the air-out connecting plate, along arbitrary direction, the cross-section in second hole all is greater than or equal to the cross-section of return air turbine centrifugal fan air outlet. So set up, the connected mode of having solved air inlet subassembly and tube coupling department leads to the intake and the air output of air inlet subassembly to reduce, leads to the problem that the speed of taking a breath in the regulation and control environment reduces.
Description
Technical Field
The utility model relates to a constant humidity equipment technical field, more specifically say, relate to a pressure balancing unit reaches clean constant humidity equipment including this balancing unit in cabinet.
Background
The constant humidity equipment comprises a fan component, air in the regulation and control environment and air circulation in the constant humidity equipment are enabled to be realized through the fan component, ventilation in the regulation and control environment is realized, the air circulation speed in the regulation and control environment is adjusted through adjusting the air inlet amount and the air return amount of the fan component, the pressure balance in the regulation and control environment is kept, damage to articles in the regulation and control environment due to pressure fluctuation in the regulation and control environment is prevented, the larger the air inlet amount and the air return amount are, the faster the air circulation speed in the regulation and control environment is, the higher the ventilation rate in the regulation and control environment is, ideal high-quality air can be kept in the regulation and control environment all the time, and articles in the regulation and control environment are prevented from being.
The fan subassembly includes through the fixed air inlet turbine centrifugal fan and the return air turbine centrifugal fan that set up in the inside of constant humidity equipment of mounting panel, and air inlet turbine centrifugal fan air intake is linked together through air inlet pipeline and regulation and control environment inside, and return air turbine centrifugal fan air outlet is linked together through air outlet pipeline and regulation and control environment inside. The air inlet of the air inlet turbine centrifugal fan is larger, the air suction capacity is stronger, the air inlet amount is larger, but the diameter of the air inlet turbine centrifugal fan is larger than the diameters of the air inlet pipeline and the communication hole in the prior art, so that the part, close to the outer edge, of the air inlet turbine centrifugal fan is blocked by the mounting plate, the air inlet of the fan is reduced, the air suction capacity of the fan is reduced, the air inlet amount is reduced, the air outlet of the return air turbine centrifugal fan is connected with the air outlet pipeline through a triangular connecting device, and therefore the air inlet amount and the air outlet amount of a fan assembly are increased, and the air exchange speed in a regulation and control environment is reduced. Therefore, how to solve the problem that the air exchange speed in the regulation and control environment is reduced due to the reduction of the air inlet volume and the air outlet volume of the air inlet component caused by the connection mode of the air inlet component and the pipeline in the prior art becomes a technical problem which needs to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure balancing unit reaches clean constant humidity equipment including this balancing unit in order to solve among the prior art connected mode of air inlet subassembly and tube coupling department and lead to the intake and the air output of air inlet subassembly to reduce, leads to the problem that the speed of taking a breath in the regulation and control environment reduces. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
The utility model provides a pressure balancing unit in cabinet, include:
the side wall of the isolation chamber is provided with an air inlet and an air outlet;
the air inlet turbine centrifugal fan and the air return turbine centrifugal fan are both arranged in the isolation chamber and are respectively arranged at the positions corresponding to the air inlet hole and the air outlet hole;
the air inlet pipeline is connected and communicated with the air inlet hole in a matched mode, and the air outlet pipeline is connected and communicated with the air outlet hole in a matched mode;
the air inlet connecting plate is arranged on the side wall of the isolation chamber, the air inlet turbine centrifugal fan is positioned on one side of the air inlet connecting plate, which is far away from the air inlet pipeline, a first hole is formed in the air inlet connecting plate, the air inlet hole, the first hole and the air inlet of the air inlet turbine centrifugal fan are coaxial, and the diameter of the first hole is larger than that of the air inlet hole and larger than that of the air inlet turbine centrifugal fan;
the air-out connecting plate sets up on the lateral wall of isolation ward, return air turbine centrifugal fan is located the air-out connecting plate deviates from one side of air-out pipeline, be equipped with the second hole on the air-out connecting plate, just the second hole with the exhaust vent corresponds the setting, return air turbine centrifugal fan air outlet with the cooperation of second hole is connected, and follows arbitrary direction, the cross-section in second hole all be greater than or equal to the cross-section of return air turbine centrifugal fan air outlet the cross-section of exhaust vent all is greater than or equal to the cross-section in second hole, so that the wind that return air turbine fan blew out can via the second hole the exhaust vent blew out extremely completely in the air-out pipeline.
Preferably, the air inlet pipeline stretches into in the inlet opening, just the air inlet pipeline outer wall with the inlet opening inner wall contacts, the exhaust duct stretches into in the outlet opening, just the exhaust pipeline outer wall with the exhaust opening inner wall contacts.
Preferably, the first hole is a circular hole, the second hole is a rectangular hole, and the diameter of the air outlet is greater than or equal to the length of a diagonal line of the rectangular hole.
Preferably, the wind speeds of the wind inlet turbine centrifugal fan and the wind outlet of the return wind turbine centrifugal fan are both 500-700 ft/m.
Preferably, the air inlet volume of the air inlet turbine centrifugal fan is the same as the air outlet volume of the air return turbine centrifugal fan.
Preferably, the air inlet pipeline and the air outlet pipeline are silicone tubes.
Preferably, the air inlet connecting plate and the air outlet connecting plate are made of organic glass.
The application also provides a clean and constant humidity equipment, including quick-witted case and the interior pressure balancing unit of cabinet, the isolation chamber sets up quick-witted incasement, be equipped with air inlet joint and air-out joint on the quick-witted case, air inlet joint with the air-supply line is connected, the air-out joint with the return air pipeline is connected, the interior pressure balancing unit of cabinet is the interior pressure balancing unit of above-mentioned cabinet of saying.
Preferably, the air inlet connector and the air outlet connector are respectively connected with a pipeline for communicating with a regulation environment.
Preferably, the conduit is a bellows.
In the technical scheme provided by the utility model, an in-cabinet pressure balancing device comprises an isolation chamber, an air inlet turbine centrifugal fan, a return air turbine centrifugal fan, an air inlet pipeline, an air outlet pipeline, an air inlet connecting plate and an air outlet connecting plate, wherein the side wall of the isolation chamber is provided with an air inlet hole and an air outlet hole, the air inlet turbine centrifugal fan and the return air turbine centrifugal fan are both arranged in the isolation chamber and are respectively arranged at the positions corresponding to the air inlet hole and the air outlet hole, the air inlet connecting plate is arranged on the side wall of the isolation chamber, the air inlet turbine centrifugal fan is arranged at one side of the air inlet connecting plate, which is far away from the air inlet pipeline, a first hole is arranged on the air inlet connecting plate, the air inlet hole, the first hole and an air inlet of the air inlet turbine centrifugal fan are coaxial, the diameter of the first hole is larger than that of the air inlet hole and larger than that of the air inlet, be equipped with the second hole on the air-out connecting plate, and the second hole corresponds the setting with the exhaust vent, return air turbine centrifugal fan air outlet is connected with the second hole cooperation, and along arbitrary direction, the cross-section in second hole all is more than or equal to the cross-section of return air turbine centrifugal fan air outlet, the cross-section in exhaust vent all is more than or equal to the cross-section in second hole to the wind that makes return air turbine fan blow off can blow off to the air-out pipeline in via the second hole, the exhaust vent completely. So set up, because the diameter in the last first hole of air inlet connecting plate is greater than the diameter of air inlet turbine centrifugal fan air intake, and air inlet turbine centrifugal fan air intake and first hole are coaxial, so air inlet turbine centrifugal fan air intake can spill completely and be used for the air inlet, avoided among the prior art air inlet turbine centrifugal fan part air intake to be blocked, reduce the problem of air input, return air turbine centrifugal fan air outlet stretches into in the second hole of air-out connecting plate, the diameter in second hole is greater than the diameter of air-out pipeline, so in return air turbine centrifugal fan air outlet can directly blow into air-out pipeline, there is not any windage, the connected mode of air inlet subassembly and tube coupling department leads to air inlet subassembly and air output to reduce among the prior art, lead to the problem of the speed of taking a breath reduction in the regulation and control environment.
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.
FIG. 1 is a schematic view of an internal structure of a clean and constant humidity apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the pressure balancer;
FIG. 3 is a schematic diagram showing the position relationship among the isolation chamber, the air inlet connection plate, the air outlet connection plate, the air inlet duct and the air outlet duct according to the embodiment of the present invention;
FIG. 4 is a schematic view of the position relationship between the centrifugal fan and the air inlet connection plate of the air inlet turbine according to the embodiment of the present invention;
fig. 5 is a schematic structural view of the air return turbine centrifugal fan and the air outlet connecting plate in the embodiment of the present invention.
In FIGS. 1-5:
1. an isolation chamber; 2. an air inlet hole; 3. an air outlet; 4. an air intake turbine centrifugal fan; 41. an air inlet of the air inlet turbine centrifugal fan; 5. an air return turbine centrifugal fan; 51. an air outlet of the air return turbine centrifugal fan; 6. an air inlet pipeline; 7. an air outlet pipeline; 8. an air inlet connecting plate; 9. a first hole; 10. an air outlet connecting plate; 11. a second hole; 12. a chassis; 13. a bellows; 14. and (4) regulating and controlling the environment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
An object of this embodiment is to provide an in-cabinet pressure balancing unit and clean and constant humidity equipment including this balancing unit, solve among the prior art connected mode of air inlet subassembly and tube coupling department and lead to the intake and the air output of air inlet subassembly to reduce, lead to the problem that the speed of taking a breath in the regulation and control environment reduces.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1-5, in the present embodiment, an in-cabinet pressure balancing apparatus includes an isolation chamber 1, an air inlet turbine centrifugal fan 4, an air return turbine centrifugal fan 5, an air inlet duct 6, an air outlet duct 7, an air inlet connection plate 8, and an air outlet connection plate 10. The side wall of the isolation chamber 1 is provided with an air inlet hole 2 and an air outlet hole 3. The air inlet pipeline 6 is connected with the air inlet hole 2 in a matched mode and communicated with the air inlet hole 2, the air inlet pipeline 6 is coaxial with the air inlet hole 2, the air outlet pipeline 7 is connected with the air outlet hole 3 in a matched mode and communicated with the air outlet hole 3, and the air outlet pipeline 7 is coaxial with the air outlet hole 3. The air inlet turbine centrifugal fan 4 and the air return turbine centrifugal fan 5 are both arranged in the isolation chamber 1 and are respectively and correspondingly arranged at the positions corresponding to the air inlet hole 2 and the air outlet hole 3, so that the air inlet 41 of the air inlet turbine centrifugal fan corresponds to the air inlet hole 2 on the isolation chamber 1, and the air outlet 51 of the air return turbine centrifugal fan corresponds to the air outlet hole 3 on the isolation chamber 1.
The air inlet connecting plate 8 is arranged on the side wall of the isolation chamber 1, the air inlet turbine centrifugal fan 4 is positioned on one side, deviating from the air inlet pipeline 6, of the air inlet connecting plate 8, the first hole 9 is formed in the air inlet connecting plate 8, the air inlet pipeline, the air inlet hole 2, the first hole 9 and the air inlet turbine centrifugal fan air inlet 41 are coaxial, and the diameter of the first hole 9 is larger than that of the air inlet hole 2 and larger than that of the air inlet turbine centrifugal fan air inlet 41. Alternatively, the air intake turbo centrifugal fan 4 may be fixed to the air intake connecting plate 8 by means of gluing, bolting, or the like. Optionally, the diameter of the air inlet 41 of the air inlet turbo centrifugal fan is 32mm, the diameter of the air inlet pipe 6 is 30mm, and the diameter of the first hole 9 on the air inlet connecting plate 8 is 40 mm. Therefore, the air inlet turbine centrifugal fan 4 is installed on the air inlet connecting plate 8, the air inlet turbine centrifugal fan air inlet 41 corresponds to the first hole 9, and the diameter of the air inlet turbine centrifugal fan air inlet 41 is smaller than that of the first hole 9, so that the air inlet turbine centrifugal fan air inlet 41 can be completely leaked from the first hole 9 and is completely used for air inlet, and the maximum air inlet amount is ensured.
Air-out connecting plate 10 sets up on the lateral wall of isolator 1, return air turbine centrifugal fan 5 is located one side that air-out connecting plate 10 deviates from air-out pipeline 7, be equipped with second hole 11 on the air-out connecting plate 10, and second hole 11 corresponds the setting with exhaust vent 3, return air turbine centrifugal fan air outlet 51 is connected with the cooperation of second hole 11, and follow arbitrary direction, the cross-section of second hole 11 all is greater than or equal to return air turbine centrifugal fan air outlet 51's cross-section, the cross-section of exhaust vent 3 all is greater than or equal to second hole 11's cross-section, so that the wind that return air turbine fan blew out can be via second hole 11, exhaust vent 3 blows out to in the air-out pipeline 7 completely. Optionally, as shown in fig. 5, the air outlet 51 of the return air turbine centrifugal fan extends into the second hole 11, the outer wall of the air outlet 51 of the return air turbine centrifugal fan contacts with the inner wall of the second hole 11, the return air turbine centrifugal fan 5 can be directly sleeved in the second hole 11, and further, the air outlet 51 of the return air turbine centrifugal fan can be further fixed on the second hole 11 by gluing or bolting. Therefore, the air blown out by the air return turbine centrifugal fan 5 can completely enter the second hole 11 and then completely enter the air outlet hole 3, and finally completely enters the air outlet pipeline 7, so that the air resistance is avoided, and the maximum air supply quantity is ensured.
So set up, add air inlet connecting plate 8 and air-out connecting plate 10, set up first hole 9 on air inlet connecting plate 8, the diameter of first hole 9 is more than or equal to the diameter of fresh air inlet 2 and air inlet turbine centrifugal fan air intake 41, set up second hole 11 on air-out connecting plate 10, set up air-out turbine centrifugal fan on air-out connecting plate 10, the connected mode of air inlet subassembly and tube coupling department leads to the air input and the air output of air inlet subassembly to reduce among the prior art, lead to the problem that the speed of taking a breath in the regulation and control environment reduces.
Specifically, in the present solution, as shown in fig. 2 and 3, the air inlet duct 6 extends into the air inlet opening 2, and the outer wall of the air inlet duct 6 contacts with the inner wall of the air inlet opening 2, and the air outlet duct 7 extends into the air outlet opening 3, and the outer wall of the air outlet duct 7 contacts with the inner wall of the air outlet opening 3. Optionally, the air inlet pipe 6 can be directly sleeved in the air inlet hole 2, and can also be connected with the air inlet hole 2 in a threaded connection or a buckling connection or other manners; in a similar way, the air outlet pipeline 7 can be directly sleeved in the air outlet 3 and can also be connected with the air outlet 3 in a threaded connection mode or a buckle connection mode and the like.
In a preferred embodiment, the first holes 9 are circular holes, the second holes 11 are rectangular holes, and the diameter of the outlet 3 is greater than or equal to the length of the diagonal of the rectangular holes.
So set up, through the length that the diameter of rectangular exhaust vent 3 is greater than or equal to the rectangular hole diagonal, realize along arbitrary direction, the cross-section of exhaust vent 3 all is greater than or equal to the cross-section of second hole 11.
In a preferred embodiment, the wind speeds of the inlet centrifugal fan 4 and the return centrifugal fan outlet 51 are both 500-700 ft/m. Specifically, the wind speeds at the wind inlets of the air inlet centrifugal fan 4 and the air return centrifugal fan 5 are 580ft/m or 2.8m/s by increasing the powers of the air inlet centrifugal fan 4 and the air return centrifugal fan 5.
In the prior art, part of constant humidity equipment is used for air inlet and air return, but the fan is large in size and occupies large space, and part of constant humidity equipment is used for two centrifugal fans, but the air speed of an air port is low and is generally only 20ft/m-30ft/m, a 5 cubic meter closed space is calculated according to the value for environment debugging, the air exchange rate is about 24 hours each time, the air exchange time process is short, and the influence on the environment is small. In the scheme, the power of the centrifugal fan of the worm wheel is improved, so that the air speed of the air outlet of the centrifugal fan of the worm wheel can reach 580ft/m or 2.8m/s, the flow of inlet air and return air is improved, the air flow speed in the regulating and controlling environment 14 is improved, the circulation is accelerated, the air exchange rate in the control environment is improved, and ideal high-quality air is kept in the control environment.
In the preferred embodiment, the intake air volume of the intake turbo centrifugal fan 4 is the same as the output air volume of the return turbo centrifugal fan 5, so that the intake air volume and the output air volume in the conditioned environment 14 are the same. Specifically, the power of the intake turbo centrifugal fan 4 is larger than that of the return turbo centrifugal fan 5. The principle of the vortex centrifugal fan is that the air entering the fan is blown out after being pressurized, so that the air outlet of the fan is much larger than the air inlet, and if two fans with the same power are used in the isolation room 1, the air inlet pressure and the air outlet pressure in the regulation and control environment 14 are unbalanced. The scheme ensures that the power of the fan 4 of the air inlet turbine centrifugal fan of the isolation chamber 1 is larger than that of the air return turbine centrifugal fan 5, so that the air inlet quantity of the air inlet fan is as large as the air outlet quantity of the air return fan. So set up, realize just reaching the purpose of pressure balance in the regulation and control environment 14, prevent because the intake and the air output in the regulation and control environment 14 are different, lead to the pressure in the regulation and control environment 14 to produce and stir.
Preferably, the air inlet pipeline 6 and the air outlet pipeline 7 are both silicone tubes. The material of air inlet connecting plate 8 and air-out connecting plate 10 is organic glass.
The present application is specifically described in conjunction with the above embodiments, and in this embodiment, an in-cabinet pressure balance device includes an isolation room 1, an air inlet turbine centrifugal fan 4, an air return turbine centrifugal fan 5, an air inlet pipeline 6, an air outlet pipeline 7, an air inlet connection plate 8, and an air outlet connection plate 10. The side wall of the isolation chamber 1 is provided with an air inlet hole 2 and an air outlet hole 3. The air inlet turbine centrifugal fan 4 and the air return turbine centrifugal fan 5 are both arranged in the isolation chamber 1 and are respectively arranged at the positions corresponding to the air inlet hole 2 and the air outlet hole 3. The air inlet pipeline 6 is connected and communicated with the air inlet hole 2 in a matching way, and the air outlet pipeline 7 is connected and communicated with the air outlet hole 3 in a matching way. The air inlet connecting plate 8 is arranged on the side wall of the isolation chamber 1, the air inlet turbine centrifugal fan 4 is positioned on one side, deviating from the air inlet pipeline 6, of the air inlet connecting plate 8, a first hole 9 is formed in the air inlet connecting plate 8, the air inlet hole 2, the first hole 9 and the air inlet turbine centrifugal fan air inlet 41 are coaxial, and the diameter of the first hole 9 is larger than that of the air inlet hole 2 and larger than that of the air inlet turbine centrifugal fan air inlet 41. Air-out connecting plate 10 sets up on the lateral wall of isolator 1, return air turbine centrifugal fan 5 is located one side that air-out connecting plate 10 deviates from air-out pipeline 7, be equipped with second hole 11 on the air-out connecting plate 10, and second hole 11 corresponds the setting with exhaust vent 3, return air turbine centrifugal fan air outlet 51 is connected with the cooperation of second hole 11, and follow arbitrary direction, the cross-section of second hole 11 all is greater than or equal to return air turbine centrifugal fan air outlet 51's cross-section, the cross-section of exhaust vent 3 all is greater than or equal to second hole 11's cross-section, so that the wind that return air turbine fan blew out can be via second hole 11, exhaust vent 3 blows out to in the air-out pipeline 7 completely. The air inlet pipeline 6 stretches into the air inlet hole 2, the outer wall of the air inlet pipeline 6 is in contact with the inner wall of the air inlet hole 2, and the air outlet pipeline 7 stretches into the air outlet hole 3, and the outer wall of the air outlet pipeline 7 is in contact with the inner wall of the air outlet hole 3. The first holes 9 are round holes, the second holes 11 are rectangular holes, and the diameter of the air outlet 3 is larger than or equal to the length of the diagonal line of the rectangular holes. The wind speeds of the air inlet turbine centrifugal fan 4 and the air outlet 51 of the air return turbine centrifugal fan are both 500-700 ft/m. The power of the intake turbo centrifugal fan 4 is greater than that of the return turbo centrifugal fan 5. The air inlet pipeline 6 and the air outlet pipeline 7 are both silicone tubes. The material of air inlet connecting plate 8 and air-out connecting plate 10 is organic glass.
The application also provides a clean constant humidity device, including quick-witted case 12 and the interior pressure balancing unit of cabinet, isolation chamber 1 sets up in quick-witted case 12, is equipped with air inlet joint and air-out joint on quick-witted case 12, and air inlet joint is connected with the air-supply line, and the air-out joint is connected with the return air pipeline, and the interior pressure balancing unit of cabinet is for the interior pressure balancing unit of cabinet of the aforesaid. The air inlet joint and the air outlet joint are respectively connected with a pipeline for communicating the regulating and controlling environment 14. The pipeline is a telescopic corrugated pipe 13. So set up, clean constant humidity equipment passes through the concertina bellows 13 and connects regulation and control environment 14, realizes the constant humidity in regulation and control environment 14 and keeps the pressure balance in the regulation and control environment 14. This clean constant humidity equipment's beneficial effect derives the process the same with the beneficial effect derivation of cabinet internal pressure balancing unit, no longer gives unnecessary details here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An in-cabinet pressure equalizing device, comprising:
the air conditioner comprises an isolation chamber (1), wherein an air inlet hole (2) and an air outlet hole (3) are formed in the side wall of the isolation chamber (1);
the air inlet turbine centrifugal fan (4) and the air return turbine centrifugal fan (5) are arranged in the isolation chamber (1) and are respectively arranged at the positions corresponding to the air inlet hole (2) and the air outlet hole (3);
the air inlet pipeline (6) is connected and communicated with the air inlet hole (2) in a matched mode, and the air outlet pipeline (7) is connected and communicated with the air outlet hole (3) in a matched mode;
the air inlet connecting plate (8) is arranged on the side wall of the isolation chamber (1), the air inlet turbine centrifugal fan (4) is located on one side, away from the air inlet pipeline (6), of the air inlet connecting plate (8), a first hole (9) is formed in the air inlet connecting plate (8), the air inlet hole (2), the first hole (9) and the air inlet (41) of the air inlet turbine centrifugal fan are coaxial, and the diameter of the first hole (9) is larger than that of the air inlet hole (2) and larger than that of the air inlet (41) of the air inlet turbine centrifugal fan;
an air outlet connecting plate (10) arranged on the side wall of the isolation chamber (1), wherein the air return turbine centrifugal fan (5) is positioned on one side of the air outlet connecting plate (10) departing from the air outlet pipeline (7), a second hole (11) is arranged on the air outlet connecting plate (10), the second hole (11) is arranged corresponding to the air outlet hole (3), the air outlet (51) of the air return turbine centrifugal fan is matched and connected with the second hole (11), and along any direction, the section of the second hole (11) is larger than or equal to that of the air outlet (51) of the air return turbine centrifugal fan, the section of the air outlet (3) is larger than or equal to that of the second hole (11), so that the wind blown by the return air turbine fan can be completely blown out into the air outlet pipeline (7) through the second hole (11) and the air outlet hole (3).
2. The in-cabinet pressure equalizing device according to claim 1, wherein the air inlet duct (6) extends into the air inlet opening (2) and an outer wall of the air inlet duct (6) is in contact with an inner wall of the air inlet opening (2), and the air outlet duct extends into the air outlet opening (3) and an outer wall of the air outlet duct is in contact with an inner wall of the air outlet opening (3).
3. An in-cabinet pressure equalizing device according to claim 1, wherein the first opening (9) is a circular opening, the second opening (11) is a rectangular opening, and the diameter of the outlet opening (3) is greater than or equal to the length of a diagonal of the rectangular opening.
4. The pressure balance device in cabinet according to claim 1, wherein the wind speed at the outlet of the air inlet turbo centrifugal fan (4) and the wind speed at the outlet of the air return turbo centrifugal fan are both 500-700 ft/m.
5. An in-cabinet pressure equalizing device according to claim 1, wherein the intake air volume of the intake turbo centrifugal fan (4) is the same as the output air volume of the return turbo centrifugal fan (5).
6. The pressure balancing device in a cabinet according to claim 1, wherein the air inlet duct (6) and the air outlet duct (7) are silicone tubes.
7. The pressure balance device in cabinet according to claim 1, wherein the air inlet connection plate (8) and the air outlet connection plate (10) are made of organic glass.
8. A clean and constant humidity device is characterized by comprising a case (12) and an in-cabinet pressure balance device, wherein an isolation chamber (1) is arranged in the case (12), an air inlet connector and an air outlet connector are arranged on the case (12), the air inlet connector is connected with an air inlet pipeline (6), the air outlet connector is connected with an air outlet pipeline (7), and the in-cabinet pressure balance device is the in-cabinet pressure balance device according to any one of claims 1-7.
9. The clean and constant humidity equipment as claimed in claim 8, wherein the air inlet joint and the air outlet joint are respectively connected with a pipeline for communicating with a regulated environment (14).
10. The clean and constant humidity equipment as claimed in claim 9, wherein the pipeline is a bellows (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050210.5U CN213237901U (en) | 2020-09-17 | 2020-09-17 | Pressure intensity balancing device in cabinet and clean constant humidity equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050210.5U CN213237901U (en) | 2020-09-17 | 2020-09-17 | Pressure intensity balancing device in cabinet and clean constant humidity equipment comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213237901U true CN213237901U (en) | 2021-05-18 |
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ID=75876168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022050210.5U Active CN213237901U (en) | 2020-09-17 | 2020-09-17 | Pressure intensity balancing device in cabinet and clean constant humidity equipment comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213237901U (en) |
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2020
- 2020-09-17 CN CN202022050210.5U patent/CN213237901U/en active Active
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