A grille device for partitioned heat dissipation deployment in a communication room and a fixing method thereof

Abstract

The present invention discloses a grille device for partitioned heat dissipation deployment in a communication room and a fixing method thereof, and relates to the technical field of configuration and deployment of communication rooms. In the present invention: support grille plates are fixedly installed on the upper and lower sides of the inner fixed frame, and a plurality of guide support plates are positioned and installed between the two support grille plates. The interior of the guide support plate is divided into a cold air diversion chamber and a hot air suction chamber by an internal partition. The air pipe matching groove of the inner fixed frame and the air pipe installation groove of the guide support plate are provided with an outer airflow pipe, and the side upper plate, the side lower plate, and the side installation plate are fixedly installed with equipment fixing side plates. The present invention is configured with a combined grille body structure for supporting a communication device, and a guide support plate matched with cold and hot air flow pipelines and a modularly matched outer airflow pipeline and other structures are arranged in the combined grille body structure, while ensuring the support strength of the combined grille body, a high-efficiency circulation cooling structure is formed.

Description

Technical Field

[0001] The present invention relates to the technical field of communication room configuration and deployment, and in particular to a grid device for zoned heat dissipation deployment in a communication room and a fixing method thereof. Background Art

[0002] The communication room is a very important infrastructure in the modern signal communication process. The internal equipment in the signal communication room usually generates a high temperature during operation. Therefore, in order to ensure the normal operation of the equipment, the communication equipment needs to be cooled.

[0003] In the communication room, the overlapping installation and deployment of various communication equipment and devices undoubtedly increases the weight of the room frame structure. In the communication room, to ensure the stability of various communication equipment and devices, it is necessary to strengthen the installation and deployment structure of various equipment and devices.

[0004] In the above phenomenon, one is to effectively cool down the equipment and devices in the communication room, and the other is to stabilize the installation and deployment of the equipment and devices in the communication room. How to achieve an organic combination of the two technical requirements has become a problem that needs to be solved in the deployment process of the communication room. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a grille device for partitioned heat dissipation deployment in a communication room and a fixing method thereof, and to configure a combined grille body structure for supporting the communication device, in which a guide support plate matched with cold and hot air flow pipelines and modularly matched outer air flow pipelines and other structures are arranged, so as to form a high-efficiency circulation cooling structure while ensuring the supporting strength of the combined grille body.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention provides a grid device for partitioned heat dissipation deployment in a communication room, comprising a group of hot air flow pipes and a group of cold air flow pipes, wherein one hot air flow pipe and one cold air flow pipe are located at the same side, and another hot air flow pipe and one cold air flow pipe are located at opposite sides, an inner fixing frame is fixedly installed on the hot air flow pipe and the cold air flow pipe at the same side, both ends of the upper side surface of the inner fixing frame are fixedly provided with side upper plates, both ends of the lower side surface of the inner fixing frame are fixedly provided with side lower plates, outer notches are provided in the middle of the side upper plates and the side lower plates, and air pipe matching grooves are provided on both sides of the inner fixing frame and are located between the side upper plates and the side lower plates.

[0008] Support grille plates are fixedly installed on the upper and lower sides of the inner fixing frame, and the support grille plates are provided with a number of evenly distributed longitudinal ventilation grooves. Side mounting plates that are matched with the inner fixing frame are arranged at both ends of the support grille plate. A side surface of the side mounting plate is provided with a side heat dissipation groove extending to the outer end surface of the side mounting plate, and the side mounting plate is provided with an inner notch that matches the outer notch of the side upper plate and the side lower plate.

[0009] A plurality of transverse air guide grooves perpendicular to the longitudinal air vent grooves are provided on one side of the support grid plate, and both ends of the transverse air guide grooves are connected to the side heat dissipation grooves of the side mounting plate. A plurality of positioning raised ribs staggered with the longitudinal air vent grooves are arranged on the other side of the support grid plate.

[0010] A number of guide support plates are positioned and installed between the two supporting grid plates. The guide support plates are hollow inside, and staggered strip ventilation grooves are provided on both sides of the guide support plates. An internal partition is fixedly provided inside the guide support plates. The interior of the guide support plates is divided into a cold air diversion chamber and a hot air suction chamber by the internal partition. Air pipe mounting grooves are provided at both ends of the guide support plates. A cold air nozzle hole communicating with the cold air diversion chamber is provided on the inner side of one of the air pipe mounting grooves of the guide support plates, and a hot air nozzle hole communicating with the hot air suction chamber is provided on the inner side of the other air pipe mounting groove of the guide support plates.

[0011] An outer airflow pipe is arranged at the air pipe matching groove of the inner fixing frame and the air pipe mounting groove of the guide support plate. The outer airflow pipe includes a main air pipe head and several air pipe fixing blocks mounted at the air pipe mounting groove. The main air pipe head is arranged with a main air nozzle head connected to the hot air flow pipe or the cold air flow pipe, and the air pipe fixing block is arranged with a branch air nozzle head connected to the cold air nozzle hole or the hot air nozzle hole.

[0012] Equipment fixing side plates are fixedly installed at the side upper plate, side lower plate and side mounting plate positions. The equipment fixing side plates include positioning blocks snap-fitted and installed at the outer notch and inner notch positions. The equipment fixing side plates include two ear plates for fixing and connecting the communication room device.

[0013] As a preferred technical solution for the grille device for partitioned heat dissipation deployment in the communication room in the present invention: the side upper plate and the side lower plate are both provided with two first through holes, and the outer notch is located between the two first through holes; the side mounting plate is provided with a first fixing screw hole that matches the first through holes of the side upper plate and the side lower plate.

[0014] As a preferred technical solution for the grid device for partitioned heat dissipation in the communication room in the present invention: the thickness of the plate size where the longitudinal ventilation groove of the supporting grid plate is located is smaller than the thickness of the side mounting plate, and the spacing size of the middle plate of the two supporting grid plates installed on the inner fixing frame matches the height size of the guide support plate.

[0015] As an optimal technical solution for the grille device for partitioned heat dissipation deployment in the communication room in the present invention: the internal partition is obliquely arranged between the cold air diversion cavity and the hot air suction cavity; the number of strip ventilation grooves connected to the cold air diversion cavity of the guide support plate is less than the number of strip ventilation grooves connected to the hot air suction cavity.

[0016] As a preferred technical solution for the grille device for partitioned heat dissipation deployment in a communication room in the present invention: the inner notch of the side mounting plate is located between the two first fixing screw holes on the same side; a second fixing screw hole is provided at the position of the inner notch of the side mounting plate, and a second through hole matching the second fixing screw hole is provided on the positioning block; the thickness dimension of the positioning block is the same as the sum of the depth dimensions of the outer notch and the inner notch, so that the positioning block can be completely inserted into the outer notch and the inner notch, and the positioning block has no part protruding from the side upper plate and the side lower plate.

[0017] As a preferred technical solution for the grid device for partitioned heat dissipation deployment in the communication room in the present invention: positioning grooves are provided on the upper and lower sides of the guide support plate, and the positioning raised ribs supporting the grid plate are cooperated and installed in the positioning grooves of the guide support plate.

[0018] As an optimal technical solution for the grid device for partitioned heat dissipation deployment in the communication room in the present invention: the main air nozzle head and the branch air nozzle head are both equipped with sealing rings, the hot air flow pipe and the cold air flow pipe are provided with main air flow holes, and the main air nozzle head is installed in the position of the main air flow hole.

[0019] As an optimal technical solution for the grid device for partitioned heat dissipation deployment in the communication room in the present invention: the outer side surface of the positioning block is flush with the upper side surface of the equipment fixed side plate, and a straight vertical hole is opened at the ear plate position, and the length of the straight vertical hole is greater than the length of the ear plate.

[0020] The present invention relates to a method for fixing a grid device for partitioned heat dissipation deployment in a communication room, comprising the following contents:

[0021] ㈠Fix the inner fixing frame on the inner side of the hot air flow pipe and the cold air flow pipe on the same side; ㈡First, fix a support grid plate in reverse to the lower side of the inner fixing frame. When installing, directly clamp the side installation plate between the two side lower plates on the lower side of the inner fixing frame, and then fix it with screws to complete the fixed installation operation of the support grid plate at the lower position; ㈢Install multiple guide support plates on the support grid plate installed in reverse on the lower side. When installing, align the positioning groove on the lower side of the guide support plate with the positioning raised ribs of the support grid plate installed in reverse on the lower side; ㈣Fix another support grid plate on the upper side of the inner fixing frame. When installing, clamp the side installation plate on the inner fixing frame Between the two side upper plates on the side, align the positioning raised ribs on the lower side of the supporting grille plate with the positioning grooves on the side of the guide support plate during installation, and then fix it with screws to complete the fixed installation operation of the supporting grille plate at the upper position; ㈤ Install the outer air flow pipe in the air pipe matching groove. During installation, align the air pipe fixing block with the air pipe installation groove position installed on the end side of the guide support plate, push the outer air flow pipe inward, push the main air nozzle head into the main air flow hole, and push the branch air nozzle head into the cold air nozzle hole or the hot air nozzle hole; ㈥ Insert the positioning block of the equipment fixing side plate into the matching structure of the outer notch and the inner notch, and reinforce it with screws to complete the fixed installation operation of the equipment fixing side plate.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention configures a combined grille structure for supporting the communication device at the deployment position of the communication room partition device, and sets a guide support plate matched with the cold and hot air flow pipelines and a modular outer air flow pipeline and other structures in the combined grille structure. While ensuring the supporting strength of the combined grille body, a high-efficiency circulation cooling structure is formed. Moreover, when the communication device is installed, disassembled and repaired, the structure directly connected with the communication device is simple, which reduces the maintenance difficulty of the communication room. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention;

[0025] Figure 2 for Figure 1 Schematic diagram of the structure in which the components are separated;

[0026] Figure 3 It is a schematic diagram of the coordinated installation of the inner fixing frame and the hot air flow pipe and the cold air flow pipe in the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the (upper side) supporting grid plate in the present invention;

[0028] Figure 5 It is a structural schematic diagram of the (lower side) supporting grid plate in the present invention;

[0029] Figure 6 It is a structural schematic diagram of the guide support plate in the present invention;

[0030] Figure 7 It is a schematic diagram of the structure (cross-section) of the guide support plate in the present invention;

[0031] Figure 8 It is a schematic diagram of the structure of the outer airflow pipe in the present invention;

[0032] Fig. 9 for Figure 8 Schematic diagram of the structure of the middle and outer airflow tube (from another perspective);

[0033] Fig.10 It is a structural schematic diagram of the fixed side plate of the equipment in the present invention;

[0034] Fig.11 for Fig.10 Schematic diagram of the structure of the fixed side plate of the middle equipment (from the other side);

[0035] Fig.12 It is a structural schematic diagram (partial cross-section) of the inner fixing frame, the supporting grid plate, and the guide support plate in the present invention;

[0036] Among them: 1-hot air flow pipe; 2-cold air flow pipe; 3-inner fixing frame, 301-side upper plate, 302-side lower plate, 303-first through hole, 304-outer notch, 305-air pipe matching groove; 4-support grille plate, 401-longitudinal ventilation groove, 402-side mounting plate, 403-side heat dissipation notch, 404-transverse air guide groove, 405-first fixing screw hole, 406-inner notch, 407-second fixing screw hole, 408-positioning raised ribs; 5-flow guide support plate, 501-internal partition, 502-cold air diversion cavity, 503-hot air suction cavity, 504-strip ventilation groove, 505-air pipe installation groove, 506-cold air nozzle hole, 507-hot air nozzle hole, 508-positioning strip groove; 6-outer air flow pipe, 601-main air pipe head, 602-air pipe fixing block, 603- Main air nozzle head, 604-branch air nozzle head, 605-sealing ring; 7-equipment fixing side plate, 701-positioning block, 702-second through hole, 703-ear plate, 704-straight vertical hole; 8-main air flow hole. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0038] Embodiment 1

[0039] See also Figure 1 , Figure 2 , a hot air flow pipe 1 and a cold air flow pipe 2 are distributed on the same side, with a total of two pairs. The inner fixing frame 3 is fixedly installed on the hot air flow pipe 1 and the cold air flow pipe 2 at the same side, and the number and position of the inner fixing frame 3 are installed according to the needs. The upper and lower sides of the inner fixing frame 3 are fixedly installed with support grid plates 4, and the lower support grid plate 4 and the upper support grid plate 4 are mirror-mounted with respect to the inner fixing frame 3. A plurality of evenly distributed guide support plates 5 are also installed between the lower support grid plate 4 and the upper support grid plate 4. The guide support plates 5 and the sides of the inner fixing frame 3 are provided with corresponding notch structures, and the outer air flow pipe 6 is just matched and installed in the corresponding notch structures. After installing the upper and lower support grid plates 4, the equipment fixing side plates 7 are installed at the upper and lower positions of the sides of the inner fixing frame 3. The communication device in the machine room is fixedly installed on the support grid plate 4, and the outer side is fixedly installed on the equipment fixing side plate 7 and the outer mounting plate of the communication device by screws.

[0040] In the actual heat dissipation process, the heat of the communication device in the computer room enters between the upper and lower support grid plates 4, and the cold airflow enters one side of the guide support plate 5 to wash away the heat between the upper and lower support grid plates 4. The other side of the guide support plate 5 inhales the hot airflow to quickly take away the heat between the upper and lower support grid plates 4.

[0041] Embodiment 2

[0042] See also Figure 3 , Figure 4 , Figure 5 The outer side panels of the hot air flow pipe 1 and the cold air flow pipe 2 are provided with main air flow holes 8, the middle positions of the upper side plate 301 and the lower side plate 302 of the inner fixing frame 3 are provided with outer notches 304, and first through holes 303 are provided on both sides of the outer notch 304.

[0043] The side mounting plates at both ends of the support grid plate 4 are provided with side heat dissipation slots 403, which cooperate with the transverse air guide slots 404 to facilitate the natural heat dissipation of the communication device in the computer room from both sides. The two first fixing screw holes 405 of the side mounting plate 402 are just matched with the first through holes 303 of the side upper plate 301 and the side lower plate 302, and the support grid plate 4 can be fixedly mounted on the inner fixing plate by installing screws.

[0044] Embodiment 3

[0045] See also Figure 4 , Figure 5 , Figure 6A plurality of positioning protruding ribs 408 are arranged on the inner side surfaces of the supporting grid plate 4, and the positioning protruding ribs 408 are staggered with the longitudinal ventilation grooves 401. Positioning grooves 508 are provided on the upper and lower sides of the guide support plate 5, and the guide support plate 5 is just engaged with the positioning protruding ribs 408 of the supporting grid plate 4 through the positioning grooves 508, so that the guide support plate 5 serves as both an intermediate structure for reinforcing and supporting the upper and lower supporting grid plates 4 and a base structure for circulating cold and hot air flows.

[0046] Embodiment 4

[0047] See also Figure 3 , Figure 7 , Figure 8 , Fig. 9 , Fig.12 The interior of the guide support plate 5 is divided into a cold air diversion chamber 502 and a hot air suction chamber 503 by an inclined internal partition plate 501. The branch nozzle head 604 of the outer airflow pipe 6 connected to the cold airflow pipe 2 is plugged into the cold air nozzle hole 506 to inject cold air into the cold air diversion chamber 502. The cold air is discharged from the multiple strip ventilation grooves 504 on both sides connected to the cold air diversion chamber 502, and after taking away the heat, it is sucked into the hot air suction chamber 503. According to the principle of thermal expansion and contraction and the factor of absorbing more surrounding gas, the number of strip ventilation grooves 504 on the hot air suction chamber 503 side needs to be more than the number of strip ventilation grooves 504 on the cold air diversion chamber 502 side.

[0048] A main air nozzle head 603 is arranged inside the main air pipe head 601 at the end side of the outer air flow pipe 6, and the main air nozzle head 603 is sealed and plugged into the main air flow hole 8, and cold air is injected from the cold air flow pipe 2 into the outer air flow pipe 6, and finally hot air enters the hot air flow pipe 1 from the outer air flow pipe 6 on the other side. The cold air flow pipe 2 and the hot air flow pipe 1 are connected to the heat exchange device system through corresponding pipelines.

[0049] Embodiment 5

[0050] See also Figure 3 , Fig.10 , Fig.11 The positioning block 701 of the equipment fixing side plate 7 is just engaged in the combination structure of the outer notch 304 and the inner notch 406, and then the equipment fixing side plate 7 is fixed by screws passing through the second through hole 702. The straight vertical hole 704 on the ear plate 703 is convenient for adjusting the connection and installation position of the computer room communication device according to the actual installation situation. When repairing or replacing the computer room communication device, it is only necessary to remove the equipment fixing side plate 7 without removing more supporting structures.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grid device for zoned heat dissipation deployment in a communication room, comprising a group of hot air flow pipes (1) and a group of cold air flow pipes (2), wherein one hot air flow pipe (1) and one cold air flow pipe (2) are located on the same side, and another hot air flow pipe (1) and one cold air flow pipe (2) are located on the opposite side, characterized in that: An inner fixing frame (3) is fixedly mounted on the hot air flow pipe (1) and the cold air flow pipe (2) at the same side, and upper side plates (301) are fixedly mounted on both ends of the upper side surface of the inner fixing frame (3), and lower side plates (302) are fixedly mounted on both ends of the lower side surface of the inner fixing frame (3), and an outer notch (304) is provided in the middle of the upper side plate (301) and the lower side plate (302), and an air pipe matching groove (305) located between the upper side plate (301) and the lower side plate (302) is provided on both sides of the inner fixing frame (3); The upper and lower sides of the inner fixing frame (3) are fixedly mounted with a support grid plate (4), the support grid plate (4) is provided with a plurality of evenly distributed longitudinal ventilation grooves (401), both ends of the support grid plate (4) are provided with side mounting plates (402) that are matched with the inner fixing frame (3), one side of the side mounting plate (402) is provided with a side heat dissipation notch (403) that extends to the outer end surface of the side mounting plate (402), and the side mounting plate (402) is provided with an inner notch (406) that matches with the outer notch (304) of the side upper plate (301) and the side lower plate (302); A plurality of transverse air guide grooves (404) vertically connected to the longitudinal air vent grooves (401) are provided on one side of the support grid plate (4); two ends of the transverse air guide grooves (404) are connected to the side heat dissipation slots (403) of the side mounting plate (402); and a plurality of positioning protruding ribs (408) staggeredly distributed with the longitudinal air vent grooves (401) are arranged on the other side of the support grid plate (4); A plurality of guide support plates (5) are positioned and installed between the two support grid plates (4); the guide support plates (5) are hollow inside; the two sides of the guide support plates (5) are provided with staggered strip ventilation grooves (504); an internal partition plate (501) is fixedly provided inside the guide support plates (5); the guide support plates (5) are divided into a cold air diversion chamber (502) and a hot air suction chamber (503) by the internal partition plate (501); air pipe mounting grooves (505) are provided at both ends of the guide support plates (5); a cold air nozzle hole (506) communicating with the cold air diversion chamber (502) is provided on the inner side of one of the air pipe mounting grooves (505) of the guide support plates (5); a hot air nozzle hole (507) communicating with the hot air suction chamber (503) is provided on the inner side of another air pipe mounting groove (505) of the guide support plates (5); An outer airflow pipe (6) is arranged at the air pipe matching groove (305) of the inner fixing frame (3) and the air pipe installation groove (505) of the guide support plate (5), and the outer airflow pipe (6) comprises a main air pipe head (601) and a plurality of air pipe fixing blocks (602) matched and installed at the air pipe installation groove (505); the main air pipe head (601) is arranged with a main air nozzle head (603) connected to the hot air flow pipe (1) or the cold air flow pipe (2), and the air pipe fixing block (602) is arranged with a branch air nozzle head (604) connected to the cold air nozzle hole (506) or the hot air nozzle hole (507); The upper side plate (301), the lower side plate (302) and the side mounting plate (402) are fixedly mounted with equipment fixing side plates (7), the equipment fixing side plates (7) comprising positioning blocks (701) mounted at the positions of the outer notch (304) and the inner notch (406), and the equipment fixing side plates (7) comprising two ear plates (703) for fixing and connecting to the communication room device.

2. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The upper side plate (301) and the lower side plate (302) are both provided with two first through holes (303), and the outer notch (304) is located between the two first through holes (303); The side mounting plate (402) is provided with a first fixing screw hole (405) which matches with the first through hole (303) of the side upper plate (301) and the side lower plate (302).

3. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The thickness of the plate size where the longitudinal ventilation groove (401) of the supporting grid plate (4) is located is smaller than the thickness size of the side mounting plate (402), and the spacing size of the middle plates of the two supporting grid plates (4) installed on the inner fixing frame (3) matches the height size of the guide support plate (5).

4. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The internal partition (501) is obliquely arranged between the cold air diversion chamber (502) and the hot air suction chamber (503); The number of strip-shaped ventilation grooves (504) connected to the cold air diversion cavity (502) of the guide support plate (5) is less than the number of strip-shaped ventilation grooves (504) connected to the hot air suction cavity (503).

5. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The inner notch (406) of the side mounting plate (402) is located between the two first fixing screw holes (405) on the same side; A second fixing screw hole (407) is provided at the position of the inner notch (406) of the side mounting plate (402), and a second through hole (702) matching with the second fixing screw hole (407) is provided on the positioning block (701); The thickness dimension of the positioning block (701) is the same as the sum of the depth dimensions of the outer notch (304) and the inner notch (406).

6. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The upper and lower sides of the guide support plate (5) are provided with positioning grooves (508), and the positioning protruding ribs (408) of the support grid plate (4) are cooperatively installed in the positioning grooves (508) of the guide support plate (5).

7. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The main air nozzle head (603) and the branch air nozzle head (604) are both provided with sealing rings (605), the hot air flow pipe (1) and the cold air flow pipe (2) are provided with main air flow holes (8), and the main air nozzle head (603) is installed in cooperation with the main air flow holes (8).

8. A grid device for heat dissipation deployment in a communication room according to claim 1, characterized in that: The outer side surface of the positioning block (701) is flush with the upper side surface of the equipment fixing side plate (7), and a straight vertical hole (704) is provided at the position of the ear plate (703), and the length dimension of the straight vertical hole (704) is greater than the length dimension of the ear plate (703).

9. A method for fixing a grille device for partitioned heat dissipation in a communication room, characterized in that: A grid device for partitioned heat dissipation deployment in a communication room according to any one of claims 1 to 8, comprising the following contents: (i) The inner fixing frame (3) is fixedly installed on the inner side of the hot air flow pipe (1) and the cold air flow pipe (2) on the same side; (ii) First, a supporting grid plate (4) is reversely fixedly installed on the lower side of the inner fixing frame (3), and during installation, the side installation plate (402) is directly engaged between the two side lower plates (302) on the lower side of the inner fixing frame (3), and then fixed with screws to complete the fixed installation operation of the supporting grid plate (4) at the lower position; (iii) installing a plurality of guide support plates (5) on the support grid plate (4) installed in the opposite direction at the lower side, and during installation, aligning the positioning groove (508) on the lower side of the guide support plate (5) with the positioning protruding rib (408) on the support grid plate (4) installed in the opposite direction at the lower side; (iv) A supporting grille plate (4) is then fixedly mounted on the upper side of the inner fixing frame (3). During the installation, the side mounting plate (402) is clamped between the two side upper plates (301) on the upper side of the inner fixing frame (3). During the installation, the positioning protruding ribs (408) on the lower side of the supporting grille plate (4) are aligned with the positioning grooves (508) on the upper side of the guide support plate (5). The grille plate (4) is then fixed by screws to complete the fixed installation operation of the upper supporting grille plate (4); (v) The outer air flow pipe (6) is mounted in the air pipe matching groove (305) by snapping it into place. During the installation, the air pipe fixing block (602) is aligned with the air pipe mounting groove (505) installed at the end of the guide support plate (5), the outer air flow pipe (6) is pushed inwards, the main air nozzle head (603) is pushed into the main air flow hole (8), and the branch air nozzle head (604) is pushed into the cold air nozzle hole (506) or the hot air nozzle hole (507); (vi) Insert the positioning block (701) of the equipment fixing side plate into the matching structure of the outer notch (304) and the inner notch (406), and reinforce it with screws to complete the fixed installation operation of the equipment fixing side plate (7).

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