CN214949752U

CN214949752U - Noise elimination heat preservation type static pressure case for clean air conditioning system

Info

Publication number: CN214949752U
Application number: CN202120674189.8U
Authority: CN
Inventors: 柳志威; 王利勇; 王威; 郭飞
Original assignee: Hubei Diyuan Jieneng Engineering Co ltd
Current assignee: Hubei Diyuan Jieneng Engineering Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-30
Anticipated expiration: 2031-04-01

Abstract

The utility model belongs to the technical field of the technique of static pressure case and specifically relates to a clean air conditioning system is with noise elimination heat preservation type static pressure case is related to, and it includes the box, and one side of box is the vent, and one side is the air outlet in addition, and vent and air outlet adjacent setting all are provided with the inner shell on the inside wall of box, and the inner shell is the composite sheet and includes two-layer steel sheet, and it has the cotton layer of glass to fill between the two-layer steel sheet, is provided with the rock wool layer between box and the inner shell, and the rock wool layer bonds on the lateral wall of inner shell. The static pressure box has the effect of reducing energy loss when cold and warm air flows pass through the static pressure box.

Description

Noise elimination heat preservation type static pressure case for clean air conditioning system

Technical Field

The application relates to the technical field of static pressure boxes, in particular to a noise elimination heat preservation type static pressure box for a clean air conditioning system.

Background

The static pressure box is a traditional ventilation facility, is often applied to air-conditioning air systems with precise requirements on indoor temperature, humidity, cleanliness and airflow distribution uniformity, such as a constant temperature, a constant humidity and a clean room and an environmental climate room, is a necessary accessory for reducing dynamic pressure, increasing static pressure, stabilizing airflow and reducing airflow vibration of an air supply system, is generally made of galvanized steel plates, and can enable the air supply effect to be more ideal; however, in the prior art, the silencing static pressure box is only of a single-layer structure, and new noise is generated in the silencing process, so that the silencing effect is poor.

Patent publication number is CN 212205021U's chinese patent, a novel high-efficient noise elimination plenum chamber is disclosed, including the plenum chamber box, the vent has all been seted up at the left side and the top of plenum chamber box, the left side of left side vent is provided with the air intake, the top of top vent is provided with the air outlet, the inner chamber of plenum chamber box is provided with built-in box, the lateral wall of built-in box is provided with noise eliminator, the right side wall of built-in box is provided with the plenum plate, the wind-guiding mouth has been seted up to the left side and the corresponding vent in top of built-in box, the inner chamber of built-in box evenly is provided with the multiunit amortization silver, the inner chamber lateral wall top of plenum chamber box is provided with the aviation baffle.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of conveying cold air or warm air by the air supply system to adjust the indoor constant temperature, the condition of energy loss of the cold air or the warm air can occur when air flow passes through the static pressure box, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to reduce the loss of energy, the application provides a noise elimination heat preservation type static pressure case for a clean air conditioning system.

The application provides a clean air conditioning system adopts following technical scheme with noise elimination heat-preservation type static pressure case:

clean air conditioning system is with noise elimination heat preservation type static pressure case, the power distribution box comprises a box body, one side of box is the vent, and one side is the air outlet in addition, the vent with the air outlet is adjacent to be set up, all be provided with the inner shell on the inside wall of box, the inner shell is the composite sheet and includes two-layer steel sheet, and is two-layer it has the cotton layer of glass to fill between the steel sheet, the box with be provided with the rock wool layer between the inner shell, the rock wool layer bond in on the lateral wall of inner shell.

Through adopting above-mentioned technical scheme, add on the inner wall of box and establish the one deck and have a large amount of small air spaces and have the better thermal-insulated, the sound absorption falls the cotton layer of glass of function of making an uproar to the air current temperature that keeps the inside process of box can keep warm, adds between box and inner shell simultaneously and establishes the rock wool layer, and the rock wool layer will be used for keeping apart the temperature, causes the influence to the inside air current of box with keeping apart box external temperature, and then in order to reduce the loss of static pressure case energy.

Preferably, the box includes first casing and second casing, the cotton layer of glass fill respectively in first casing with in the second casing, first casing is the rectangle and adjacent both sides are the opening setting, the inner wall of first casing is close to its opening outer edge department and has set firmly the spacing of round, the second casing is L shape and just the butt in spacing is used for the closure on the surface of first casing.

Through adopting above-mentioned technical scheme, after being cut apart into first casing and second casing with the whole of box, can make things convenient for installing additional and the maintenance of inner shell, certain location effect has been played to the assembly of second casing to spacing, makes the installation effectiveness higher.

Preferably, a connecting piece for connecting the first shell and the second shell is further arranged between the first shell and the second shell, and the air outlet and the ventilation opening are both arranged on the second shell.

Preferably, the connecting piece comprises a plurality of connecting plates hinged to the outer edge of the second shell, screws in one-to-one correspondence with the connecting plates are vertically and fixedly arranged on the outer wall of the first shell, the connecting plates are abutted against the outer wall of the first shell in an overturning manner, through grooves for the screws to penetrate out are formed in the surface of the first shell, limit nuts are connected to the peripheral sides of the screws in a threaded manner, and one side of each limit nut is movably abutted against the side wall of each connecting plate.

By adopting the technical scheme, after the second shell is installed on the first shell, each connecting plate is overturned one by one, the through grooves formed in the connecting plates correspondingly penetrate through the screw rods, the surface of each connecting plate is abutted to the outer wall of the first shell, and then the limiting nuts are screwed to the peripheral sides of the screw rods, so that the second shell is fixedly installed, and the structure is simple, and the operation is convenient and fast.

Preferably, the connection plate is an L-shaped plate, and the distance between the surface of the limiting strip and the open end of the first shell is equal to the thickness of the second shell.

Through adopting above-mentioned technical scheme, the clearance of enclosing between the lateral wall of spacing strip and the inner wall of first casing can supply the whole embedding leakproofness of second casing better just.

Preferably, the through groove is a kidney-shaped groove, the groove direction of the kidney-shaped groove is perpendicular to the rotation axial direction of the connecting plate, and the groove length of the kidney-shaped groove is larger than the diameter of the screw rod.

Through adopting above-mentioned technical scheme, can follow the rotation of linking plate and follow the kidney slot and successfully butt the lateral wall of linking plate on the outer wall of first casing with the evading screw rod, under the cooperation of nut to realize that first casing and second casing are connected.

Preferably, a handle is provided on a surface of the second housing.

Through adopting above-mentioned technical scheme, for operating personnel's installation provides handheld application of force point to in installation or lift off the second casing.

Preferably, the vent and the outer edge of the air outlet are both provided with flanges for installing pipelines.

By adopting the technical scheme, the static pressure box and the pipeline can be smoothly and tightly connected by utilizing the assembly and the matching of the flange and the bolt.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the whole static pressure box is divided into a first shell and a second shell, so that inner shells are respectively added on the inner walls of the first shell and the second shell, and the inner shells have better heat insulation effect so as to maintain the air flow passing through the box body and reduce energy loss;

2. the butt that the polylith connection plate that rotates the connection on the upset second casing corresponds is on first casing lateral wall, and the screw rod of first casing fixed surface will wear out from the logical groove of seting up on the connection plate, revolves soon afterwards at stop nut and under, realizes linking to each other of first casing and second casing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

fig. 4 is an enlarged view at C in fig. 3.

Reference numerals: 1. a box body; 11. a first housing; 12. a second housing; 13. a limiting strip; 2. a vent; 3. an air outlet; 4. an inner shell; 41. a steel plate; 42. a glass wool layer; 43. a rock wool layer; 5. a connecting member; 51. a connector tile; 52. a screw; 53. a through groove; 54. a limit nut; 6. a handle; 7. and (4) a flange.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the embodiment of the application discloses a noise elimination heat preservation type static pressure box for a clean air conditioning system, which comprises a box body 1, wherein the box body 1 comprises a first shell 11 and a second shell 12, the whole first shell 11 is rectangular, two adjacent sides of the first shell 11 are provided with two openings which are connected into a whole, the whole second shell 12 is L-shaped and is matched with the two openings in size, a handle 6 is fixedly arranged on the surface of the second shell 12, and a handheld force application point is provided for an operator to adjust the second shell 12;

the two mutually perpendicular sides of the second shell 12 are respectively provided with a vent 2 and an air outlet 3 in a penetrating way, the outer edges of the vent 2 and the air outlet 3 are respectively provided with a flange 7 for pipeline installation, and the static pressure box and the pipeline can be smoothly and tightly connected by utilizing the assembly and the matching of the flange 7 and a bolt; a circle of limiting strips 13 are fixedly arranged on the inner wall of the first shell 11 near the outer edge of the opening, the distance between the surface of the limiting strips 13 and the end surface of the opening end of the first shell 11 is equal to the thickness of the second shell 12, and the second shell 12 can be just embedded in the first shell 11.

Referring to fig. 1 and 2, in order to make the first housing 11 and the second housing 12 closely contact, a connecting member 5 is further provided between the first housing 11 and the second housing 12; the connecting piece 5 comprises four connecting plates 51 hinged to the outer edge of the second shell 12 through ear plates, the connecting plates 51 are L-shaped, screw rods 52 which are in one-to-one correspondence with the connecting plates 51 are vertically and fixedly arranged on the outer wall of the first shell 11, the free end parts of the connecting plates 51 far away from the hinged shafts are in overturning and abutting joint with the outer wall of the first shell 11, through grooves 53 for the screw rods 52 to penetrate through are formed in the surface of the first shell 11, the through grooves 53 are kidney-shaped grooves, the groove directions of the kidney-shaped grooves are vertical to the rotating axial direction of the connecting plates 51, the groove lengths of the kidney-shaped grooves are larger than the diameters of the screw rods 52, limit nuts 54 are in threaded connection with the peripheral sides of the screw rods 52, and one side of each limit nut 54 is movably abutted against the side walls of the connecting plates 51;

after the second housing 12 is embedded in the first housing 11, the four connecting plates 51 are turned one by one, the through slots 53 formed in the connecting plates 51 correspondingly penetrate through the screws 52 and extend out from the other side of the connecting plates 51, the surfaces of the connecting plates 51 are abutted against the outer wall of the first housing 11, and then the limit nuts 54 are screwed to the peripheral sides of the screws 52, so that the second housing 12 is installed and fixed.

Referring to fig. 3 and 4, the inner shells 4 are fixedly and uniformly arranged on the inner walls of the first shell 11 and the second shell 12, the inner shells 4 are composite plates, each composite plate comprises two layers of steel plates 41 which are parallel to each other, a glass wool layer 42 is filled between the two layers of steel plates 41, and the glass wool layer 42 has a large number of small air gaps and has the glass wool layer 42 with good heat preservation, heat insulation, sound absorption and noise reduction functions, so that the temperature of air flowing through the inside of the box body 1 can be maintained to be preserved; the rock wool layer 43 is fixedly bonded on one side of the steel plate 41, the other side of the rock wool layer 43 abuts against the inner wall of the box body 1, and the rock wool layer 43 is used for heat insulation to isolate the influence of the external temperature of the box body 1 on the internal airflow of the box body 1, so that the loss of energy of the static pressure box is reduced.

The implementation principle of the embodiment is as follows:

the static pressure box is divided into a first shell 11 and a second shell 12, the inner shells 4 are respectively added on the inner walls of the first shell 11 and the second shell 12, rock wool layers 43 are respectively filled between the inner shells 4 and the first shell 11 or the second shell 12 to block the conduction of external heat, and glass wool layers 42 filled between two steel plates 41 of the inner shells 4 can maintain the air flow passing through the interior of the box body 1 to reduce the loss of energy.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Clean air conditioning system is with noise elimination heat preservation type static pressure case, including box (1), one side of box (1) is vent (2), and one side is air outlet (3) in addition, vent (2) with air outlet (3) adjacent setting, its characterized in that: all be provided with inner shell (4) on the inside wall of box (1), inner shell (4) are the composite sheet and include two-layer steel sheet (41), and are two-layer it has cotton layer of glass (42) to fill between steel sheet (41), box (1) with be provided with rock wool layer (43) between inner shell (4), rock wool layer (43) bond in on the lateral wall of inner shell (4).

2. The muffling and heat-insulating type plenum box for a clean air-conditioning system according to claim 1, wherein: the box (1) includes first casing (11) and second casing (12), the cotton layer of glass (42) fill respectively in first casing (11) with in second casing (12), first casing (11) are the rectangle and adjacent both sides are the opening setting, the inner wall of first casing (11) is close to its opening outer edge department and has set firmly round spacing strip (13), second casing (12) be L shape and butt just in be used for the closure on the surface of spacing strip (13) the opening of first casing (11).

3. The muffling and heat-insulating type plenum box for a clean air-conditioning system according to claim 2, wherein: a connecting piece (5) which is connected with the first shell (11) and the second shell (12) is further arranged between the first shell (11) and the second shell (12), and the air outlet (3) and the ventilation opening (2) are arranged on the second shell (12).

4. The muffling and heat-insulating type plenum box for a clean air-conditioning system according to claim 3, wherein: the connecting piece (5) comprises a plurality of connecting plates (51) hinged to the outer edge of the second shell (12), screws (52) in one-to-one correspondence with the connecting plates (51) are vertically and fixedly arranged on the outer wall of the first shell (11), the connecting plates (51) are abutted to the outer wall of the first shell (11) in an overturning manner, through grooves (53) for the screws (52) to penetrate out are formed in the surface of the first shell (11), limit nuts (54) are connected to the peripheral sides of the screws (52) in a threaded manner, and one sides of the limit nuts (54) are movably abutted to the side walls of the connecting plates (51).

5. The muffling and heat-insulating type plenum box for clean air-conditioning system according to claim 4, wherein: the connecting plate (51) is an L-shaped plate, and the distance between the surface of the limiting strip (13) and the open end of the first shell (11) is equal to the thickness of the second shell (12).

6. The muffling and heat-insulating type plenum box for clean air-conditioning system according to claim 5, wherein: the through groove (53) is a kidney-shaped groove, the groove direction of the kidney-shaped groove is perpendicular to the rotation axial direction of the connecting plate (51), and the groove length of the kidney-shaped groove is larger than the diameter of the screw rod (52).

7. The muffling and heat-insulating type plenum box for a clean air-conditioning system according to claim 2, wherein: a handle (6) is arranged on the surface of the second shell (12).

8. The muffling and heat-insulating type plenum box for a clean air-conditioning system according to claim 1, wherein: the air vent (2) and the outer edge of the air outlet (3) are provided with flanges (7) for installing pipelines.