A server room alarm system

Abstract

The present application relates to the technical field of machine room safety equipment, and particularly relates to a server machine room alarm system, which comprises a four-wheel drive mobile platform, a shell, a rotating shaft, a sealing plate and an extension part, the top end of the four-wheel drive mobile platform is provided with the shell, the top end of the shell is provided with a square opening, the sealing plate is rotationally installed in the square opening through the rotating shaft, a torsional spring is arranged on the rotating shaft, the bottom end of the sealing plate is provided with two groups of extension parts, the server machine room alarm system further comprises a lifting assembly, a detection alarm assembly, a transmission assembly and a locking assembly, the bottom end of the shell is internally provided with the lifting assembly, the lifting assembly is internally provided with the detection alarm assembly, the transmission assembly is arranged between the extension part and the lifting assembly, and the top end of the shell is internally provided with the locking assembly; in a normal state, the lifting assembly is shortened, so that the detection alarm assembly enters the shell, and the detection alarm assembly can timely alarm when discovering a fire through environment detection on the server machine room, thereby improving safety protection.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machine room safety equipment, and particularly relates to a server machine room alarm system. BACKGROUND

[0002] The server machine room is a key data center, and the safety and stability of the operation environment thereof are crucial. In order to guarantee the installation of the server machine room, a conventional way is to fixedly install a fire alarm, which has certain limitations.

[0003] In the prior art, a patent file with the publication number CN222186517U discloses a machine room safety inspection alarm device, which comprises a bottom plate, a detection device body is arranged at the upper end of the bottom plate, two fixed plates are fixedly connected to the upper end of the detection device body, a rotating rod is rotatably connected between the proximal ends of the two fixed plates, a detector is fixedly connected to the circumferential surface of the rotating rod, a gas cylinder is arranged in the detection device body, a push rod is fixedly connected to the output end of the gas cylinder, the upper end of the push rod is connected to the lower end of the detector through a spring, and a camera is fixedly connected to the rear end of the detector.

[0004] It is found in the use process that the detector and the camera of the above device are always exposed to the outside world, and the detector and the camera lack safety protection when the device is in a shutdown state, thereby increasing the risk of being hit by external objects. SUMMARY

[0005] To solve the above technical problems, the present application provides a server machine room alarm system with improved safety protection.

[0006] The application discloses a server room alarm system, which comprises a four-wheel driving mobile platform, a shell, a rotating shaft, a sealing plate and an extension part, the top of the four-wheel driving mobile platform is provided with the shell, the top of the shell is provided with a square opening, the sealing plate is rotatably arranged in the square opening through the rotating shaft, and a torsional spring is arranged on the rotating shaft, the bottom of the sealing plate is provided with two groups of extension parts, and the shell is internally provided with a lifting assembly, a detection and alarm assembly, a transmission assembly and a locking assembly, the bottom of the shell is internally provided with the lifting assembly, the detection and alarm assembly is arranged on the lifting assembly, the transmission assembly is arranged between the extension parts and the lifting assembly, and the top of the shell is internally provided with the locking assembly; in a normal state, the lifting assembly is shortened, so that the detection and alarm assembly enters the shell, meanwhile, the lifting assembly drives the sealing plate to be sealed to the square opening through the transmission assembly and the torsional spring, and the locking assembly is locked to the sealing plate and supports the bottom of the sealing plate at the same time, when it is necessary to detect the server room, the detection and alarm assembly is lifted by operating the lifting assembly, meanwhile, the lifting assembly pulls the two groups of extension parts through the transmission assembly, so that the extension parts unlock the sealing plate of the locking assembly and extend the sealing plate from the square opening through the rotating shaft, the detection and alarm assembly is further extended to the top of the shell, and the four-wheel driving mobile platform is moved, so that the detection and alarm assembly detects the environment of the server room, discovers fire and timely alarms, and the safety protection is improved.

[0007] Preferably, the lifting assembly comprises a mounting seat, a first electric push rod, a lifting plate, L-shaped guide plates and first light rods, the bottom of the shell is internally provided with the mounting seat, the mounting seat is provided with the first electric push rod, the top of the first electric push rod is provided with the lifting plate, the shell is longitudinally and fixedly provided with two groups of first light rods, the bottom of the lifting plate is symmetrically provided with two groups of L-shaped guide plates, one group of L-shaped guide plates is slidably connected with one group of first light rods, and the top of the lifting plate is provided with the detection and alarm assembly; in use, the first electric push rod is elongated, so that the lifting plate is lifted, the two groups of L-shaped guide plates are guided and lifted through the first light rods, the two groups of extension parts are pulled through the transmission assembly, so that the extension parts unlock the sealing plate of the square opening through the rotating shaft, and the detection and alarm assembly detects the environment of the server room and gives an early warning, and the safety protection is improved.

[0008] Preferably, the transmission assembly comprises a first support, a first fixed pulley, a second support, a second fixed pulley and a first rope, the inside top end of the shell is rotatably provided with the first support, the first support is rotatably provided with the first fixed pulley, the inside left end of the shell is provided with the second support, the second support is rotatably provided with the second fixed pulley, the first end of the first rope is connected with a set of extension parts, the first rope passes over the top end of the first fixed pulley and the bottom end of the second fixed pulley and is connected with one end of the L-shaped guide plate; when detection is needed, the first electric push rod is elongated, so that the lifting plate is raised, the two sets of L-shaped guide plates stably lift the lifting plate under the cooperation of the first light lever, and the L-shaped guide plate pulls the second end of the first rope, so that the first rope pulls the two sets of extension parts under the cooperation of the second fixed pulley and the first fixed pulley, further pulls the extension part under the cooperation of the rotating shaft to pull the sealing plate, so that the sealing plate unseals the port, and when the first electric push rod is shortened, the two sets of L-shaped guide plates are lowered, so that the sealing plate automatically seals the port under the cooperation of the torsional spring.

[0009] Preferably, the locking assembly comprises a connecting rod, a third support, a third fixed pulley, a fixed plate, a third rope, a support frame, a second light lever, a moving block, a plug rod and a spring, the connecting rod is arranged between the two sets of extension parts, the inside top end of the shell is provided with the third support, the third support is rotatably provided with the third fixed pulley, the bottom end of the sealing plate is provided with the fixed plate, a strip-shaped opening is longitudinally arranged on the fixed plate, the inside top end of the shell is provided with the support frame, the support frame is provided with the second light lever, the two sets of second light levers are slidably connected with the moving block, the plug rod is arranged on the moving block, and the spring is sleeved on each set of second light lever, the moving block is between the plug rod and the spring, the first end of the third rope is connected with one end of the moving block, the third rope passes over the right end of the third fixed pulley, and the second end of the third rope is connected with the connecting rod; in use, the first electric push rod is raised, so that the first rope pulls the two sets of extension parts at the same time, the two sets of extension parts cooperate with each other to pull the second end of the third rope through the connecting rod, so that the third rope pulls the moving block, further moves the plug rod to the right under the guidance of the two sets of second light levers, and since the strip-shaped opening is arranged on the fixed plate, the plug rod does not interfere with the movement track of the fixed plate after moving to the right. When the detection is completed, the first electric push rod is shortened, the torsional spring makes the sealing plate reseal the port, and at the same time, the extension part reduces the pulling of the third rope, so that the plug rod reinserts the upper side of the strip-shaped opening. Due to the limitation of the plug rod, personnel cannot completely open the sealing plate from the outside, and the safety protection is further improved.

[0010] Preferably, the detection alarm assembly comprises an electric rotating disc, a vertical plate, a first shaft pin, a second electric push rod, a second shaft pin, a rotating shaft, an adjusting plate, a camera, a fire detector and an alarm, the top of the lifting plate is provided with the electric rotating disc, the top of the electric rotating disc is installed with two groups of vertical plates, the rotating shaft is rotatably arranged between the two groups of vertical plates, the adjusting plate is installed on the rotating shaft, one end of the second electric push rod is hingedly connected with the top of the electric rotating disc through the first shaft pin, the other end of the second electric push rod is hingedly connected with one end of the adjusting plate through the second shaft pin, the camera and the fire detector are respectively installed on the adjusting plate, the top of the lifting plate is installed with the alarm, and the fire detector is electrically connected with the alarm; when the lifting plate rises above the shell, the electric rotating disc is started, so that the horizontal shooting angle of the camera and the horizontal detection angle of the fire detector are adjusted, the length of the second electric push rod is operated, so that the vertical shooting angle of the camera and the vertical detection angle of the fire detector are adjusted under the cooperation of the rotating shaft, and flexibility and convenience are improved.

[0011] Preferably, the shell is provided with a slot, and the sealing plate is provided with a limiting plate; when the sealing plate seals the slot horizontally, the limiting plate enters the slot, and the slot supports the sealing plate horizontally through the limiting plate, so that the stability is improved.

[0012] Preferably, the shell is provided with a slot, and the sealing plate is provided with a limiting plate; when the sealing plate seals the slot horizontally, the limiting plate enters the slot, and the slot supports the sealing plate horizontally through the limiting plate, so that the stability is improved.

[0013] Preferably, the shell is provided with a slot, and the sealing plate is provided with a limiting plate; when the sealing plate seals the slot horizontally, the limiting plate enters the slot, and the slot supports the sealing plate horizontally through the limiting plate, so that the stability is improved.

[0014] Preferably, the shell is provided with a slot, and the sealing plate is provided with a limiting plate; when the sealing plate seals the slot horizontally, the limiting plate enters the slot, and the slot supports the sealing plate horizontally through the limiting plate, so that the stability is improved.

[0015] Preferably, the shell is provided with a slot, and the sealing plate is provided with a limiting plate; when the sealing plate seals the slot horizontally, the limiting plate enters the slot, and the slot supports the sealing plate horizontally through the limiting plate, so that the stability is improved.

[0016] The beneficial effects of the present application compared with the prior art are: in the normal state, the lifting assembly is shortened, so that the detection alarm assembly enters the inside of the shell, and at the same time, the lifting assembly makes the sealing plate sealed against the square opening through the cooperation of the rotating shaft, and the locking assembly locks the sealing plate at the same time, and the bottom of the sealing plate is supported, when the server room needs to be detected, the lifting assembly drives the detection alarm assembly to rise, at the same time, the lifting assembly pulls the two groups of extension parts through the transmission assembly, so that the extension part makes the locking assembly unlock the sealing plate, and at the same time, the extension part makes the sealing plate unlock the square opening through the cooperation of the rotating shaft, further makes the detection alarm assembly extend to the upper side of the shell through the square opening, and the four-wheel drive moving platform moves, so that the detection alarm assembly detects the environment of the server room and discovers the fire and alarms in time, and the safety protection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the present application;

[0018] Figure 2 is Figure 1 is a partial enlarged structural schematic diagram of A part in

[0019] Figure 3 is an explosion structural schematic diagram of the present application;

[0020] Figure 4 is an enlarged structural schematic diagram of the filter screen and the four-wheel drive moving platform;

[0021] Figure 5 is an enlarged structural schematic diagram of the sealing plate and the No. 1 rope;

[0022] Figure 6 is an explosion structural schematic diagram of the shell and the No. 1 light lever;

[0023] Figure 7 is an enlarged structural schematic diagram of the L-shaped guide plate and the No. 1 fixed pulley;

[0024] Figure 8 is an explosion structural schematic diagram of the No. 1 light lever and the lifting plate;

[0025] Figure 9 is an enlarged structural schematic diagram of the spring and the fixed plate;

[0026] Figure 10 is an enlarged structural schematic diagram of the No. 1 electric push rod and the camera.

[0027] Marked: 101, four-wheel drive mobile platform; 102, shell; 103, rotating shaft; 104, sealing plate; 105, extension; 106, notch; 107, limiting plate; 108, access door; 109, bolt; 110, handle; 111, filter screen; 201, mounting seat; 202, No. 1 electric push rod; 203, lifting plate; 204, L-shaped guide plate; 205, No. 1 light pole; 301, No. 1 support; 302, No. 1 fixed pulley; 303, No. 2 support; 304, No. 2 fixed pulley; 305, No. 1 rope; 401, connecting rod; 402, No. 3 support; 403, No. 3 fixed pulley; 404, fixed plate; 405, No. 3 rope; 406, support frame; 407, No. 2 light pole; 408, moving block; 409, insertion rod; 410, spring; 501, electric turntable; 502, vertical plate; 503, No. 1 shaft pin; 504, No. 2 electric push rod; 505, No. 2 shaft pin; 506, rotating shaft; 507, adjusting plate; 508, camera; 509, fire detector; 510, alarm. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0029] EMBODIMENT

[0030] As Figures 1 to 10 shown, a server room alarm system of the present application, including four-wheel drive mobile platform 101, shell 102, rotating shaft 103, sealing plate 104 and extension 105, the top of the four-wheel drive mobile platform 101 is installed with shell 102, the top of the shell 102 is provided with square mouth, the sealing plate 104 is rotatably installed in the square mouth through the rotating shaft 103, the rotating shaft 103 is provided with torsional spring, the bottom end of the sealing plate 104 is provided with two groups of extension 105, also including lifting assembly, detection alarm assembly, transmission assembly and locking assembly, the inside bottom of the shell 102 is installed with lifting assembly, the lifting assembly is installed with detection alarm assembly, the transmission assembly is provided between the extension 105 and the lifting assembly, the inside top of the shell 102 is installed with locking assembly;

[0031] The lifting assembly comprises a mounting seat 201, a first electric push rod 202, a lifting plate 203, L-shaped guide plates 204 and first light rods 205, the mounting seat 201 is mounted at the bottom of the inner part of the shell 102, the first electric push rod 202 is mounted on the mounting seat 201, the lifting plate 203 is arranged at the top moving end of the first electric push rod 202, two groups of first light rods 205 are fixedly arranged in the longitudinal direction in the inner part of the shell 102, two groups of L-shaped guide plates 204 are symmetrically arranged at the bottom end of the lifting plate 203, one group of L-shaped guide plates 204 is slidably connected with one group of first light rods 205 respectively, and the detection alarm assembly is mounted at the top end of the lifting plate 203;

[0032] The transmission assembly comprises a first support 301, a first fixed pulley 302, a second support 303, a second fixed pulley 304 and a first rope 305, the first support 301 is rotatably arranged at the top end of the inner part of the shell 102, the first fixed pulley 302 is rotatably arranged on the first support 301, the second support 303 is arranged at the left end of the inner part of the shell 102, the second fixed pulley 304 is rotatably mounted on the second support 303, the first end of the first rope 305 is connected with one group of extension parts 105, the first rope 305 passes over the top end of the first fixed pulley 302 and the bottom end of the second fixed pulley 304 and is connected with one end of the L-shaped guide plate 204;

[0033] The locking assembly comprises a connecting rod 401, a third support 402, a third fixed pulley 403, a fixed plate 404, a third rope 405, a supporting frame 406, second light rods 407, a moving block 408, a plug rod 409 and springs 410, the connecting rod 401 is arranged between two groups of extension parts 105, the third support 402 is arranged at the top end of the inner part of the shell 102, the third fixed pulley 403 is rotatably arranged on the third support 402, the fixed plate 404 is arranged at the bottom end of the sealing plate 104, a strip-shaped opening is longitudinally arranged on the fixed plate 404, the supporting frame 406 is arranged at the top end of the inner part of the shell 102, the second light rods 407 are arranged on the supporting frame 406, the two groups of second light rods 407 are slidably connected with the moving block 408, the plug rod 409 is mounted on the moving block 408, the spring 410 is sleeved on each group of second light rods 407, the moving block 408 is between the plug rod 409 and the spring 410, the first end of the third rope 405 is connected with one end of the moving block 408, the third rope 405 passes over the right end of the third fixed pulley 403, and the second end of the third rope 405 is connected with the connecting rod 401;

[0034] The detection and alarm assembly includes an electric turntable 501, a vertical plate 502, a first axle pin 503, a second electric push rod 504, a second axle pin 505, a rotating shaft 506, an adjusting plate 507, a camera 508, a fire detector 509, and an alarm 510. The electric turntable 501 is mounted on the top of the lifting plate 203. Two sets of vertical plates 502 are mounted on the top of the electric turntable 501, and a rotating shaft 506 is rotatably connected between the two sets of vertical plates 502. An adjusting plate 507 is mounted on the rotating shaft 506. One end of the second electric push rod 504 is hinged to the top of the electric turntable 501 via the first axle pin 503, and the other end of the second electric push rod 504 is hinged to one end of the adjusting plate 507 via the second axle pin 505. A camera 508 and a fire detector 509 are respectively mounted on the adjusting plate 507. An alarm 510 is mounted on the top of the lifting plate 203, and the fire detector 509 is electrically connected to the alarm 510.

[0035] It also includes a slot 106, a limiting plate 107, an inspection door 108, bolts 109, a handle 110, and a filter screen 111. The housing 102 is provided with a slot 106, the sealing plate 104 is provided with a limiting plate 107, the housing 102 is provided with an inspection port, the inspection door 108 is installed on the housing 102 by bolts 109 and the inspection door 108 seals the inspection port, the front and rear ends of the four-wheel drive mobile platform 101 are respectively provided with handles 110, the inspection door 108 is provided with a vent, and the vent is provided with a filter screen 111.

[0036] In this embodiment, during use, the first electric push rod 202 extends, thereby raising the lifting plate 203. Simultaneously, the two sets of L-shaped guide plates 204 are guided upwards by the first optical bar 205. With the cooperation of the first optical bar 205, the two sets of L-shaped guide plates 204 stabilize the lifting plate 203. At the same time, the L-shaped guide plates 204 pull the second end of the first rope 305, causing the first rope 305 to pull the two extension sections 105 with the cooperation of the second fixed pulley 304 and the first fixed pulley 302. Furthermore, the extension sections 105, with the cooperation of the rotating shaft 103, pull the sealing plate 104, thereby releasing the seal on the opening of the sealing plate 104. Simultaneously, the connecting rod 401 guides the third rope... The second end of 405 is pulled, thereby pulling the third rope 405 onto the moving block 408. The moving block 408, guided by the two sets of second light bars 407, drives the insertion rod 409 to move to the right, thereby extending the detection alarm component through the square opening to the top of the housing 102. The four-wheel drive moving platform 101 moves, and when the lifting plate 203 rises above the housing 102, the electric turntable 501 is activated, thereby adjusting the horizontal shooting angle of the camera 508 and the horizontal detection angle of the fire detector 509. By operating the length of the second electric push rod 504, the adjustment plate 507, in cooperation with the rotating shaft 506, adjusts the vertical shooting angle of the camera 508 and the vertical detection angle of the fire detector 509.

[0037] The main functions achieved by this invention are:

[0038] 1. The detection and alarm components are protected by the housing 102;

[0039] 2. By raising the first electric push rod 202, the first rope 305 pulls the two sets of extensions 105, further releasing the seal of the sealing plate 104 from the opening.

[0040] 3. At the same time, the two sets of extension parts 105 pull the No. 3 rope 405 through the connecting rod 401, thereby moving the insertion rod 409 to the right, releasing the interference of the insertion rod 409 on the movement of the fixing plate 404, and unlocking it.

[0041] The server room alarm system of the present invention uses common mechanical methods for installation, connection, or setting. Any method that can achieve the desired effect can be implemented. The four-wheel drive mobile platform 101, the first electric push rod 202, the second electric push rod 504, the camera 508, the fire detector 509, and the alarm 510 of the server room alarm system of the present invention are commercially available. Technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0042] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A server room alarm system, comprising a four-wheel drive mobile platform (101), a housing (102), a rotating shaft (103), a sealing plate (104), and extensions (105), wherein the housing (102) is mounted on the top of the four-wheel drive mobile platform (101), a square opening is provided at the top of the housing (102), the sealing plate (104) is rotatably mounted in the square opening via the rotating shaft (103), a torsion spring is provided on the rotating shaft (103), and two sets of extensions (105) are provided at the bottom of the sealing plate (104), characterized in that, It also includes a lifting assembly, a detection alarm assembly, a transmission assembly and a locking assembly. The lifting assembly is installed at the bottom inside the housing (102), the detection alarm assembly is installed on the lifting assembly, the transmission assembly is provided between the extension (105) and the lifting assembly, and the locking assembly is installed at the top inside the housing (102). The lifting assembly includes a mounting base (201), a first electric push rod (202), a lifting plate (203), an L-shaped guide plate (204), and a first light bar (205). The mounting base (201) is installed at the bottom of the housing (102). The first electric push rod (202) is installed on the mounting base (201). The lifting plate (203) is provided at the top moving end of the first electric push rod (202). Two sets of first light bars (205) are fixedly arranged longitudinally inside the housing (102). Two sets of L-shaped guide plates (204) are symmetrically arranged at the bottom of the lifting plate (203). One set of L-shaped guide plates (204) is slidably connected to one set of first light bars (205). A detection alarm assembly is installed at the top of the lifting plate (203). The transmission assembly includes a first bracket (301), a first fixed pulley (302), a second bracket (303), a second fixed pulley (304), and a first rope (305). The first bracket (301) is rotatably mounted on the top of the interior of the housing (102), and the first fixed pulley (302) is rotatably mounted on the first bracket (301). The second bracket (303) is mounted on the left end of the interior of the housing (102), and the second fixed pulley (304) is rotatably mounted on the second bracket (303). The first end of the first rope (305) is connected to a set of extensions (105). The first rope (305) passes over the top of the first fixed pulley (302) and passes over the bottom of the second fixed pulley (304) and is connected to one end of the L-shaped guide plate (204). The locking assembly includes a connecting rod (401), a third bracket (402), a third fixed pulley (403), a fixing plate (404), a third rope (405), a support frame (406), a second light bar (407), a moving block (408), a plug rod (409), and a spring (410). A connecting rod (401) is provided between the two sets of extensions (105). A third bracket (402) is provided at the top inside the housing (102). A third fixed pulley (403) is rotatably mounted on the third bracket (402). A fixing plate (404) is provided at the bottom of the sealing plate (104). A strip-shaped opening is provided longitudinally on the fixing plate (404). A support frame (406) is provided at the top of the interior of the housing (102). A second light bar (407) is provided on the support frame (406). Both sets of second light bars (407) are slidably connected to the moving block (408). A plug rod (409) is installed on the moving block (408). A spring (410) is respectively fitted on each set of second light bars (407). The moving block (408) is between the plug rod (409) and the spring (410). The first end of the third rope (405) is connected to one end of the moving block (408). The third rope (405) passes around the right end of the third fixed pulley (403) and the second end of the third rope (405) is connected to the connecting rod (401).

2. The server room alarm system as described in claim 1, characterized in that, The detection and alarm assembly includes an electric turntable (501), a vertical plate (502), a first axle pin (503), a second electric push rod (504), a second axle pin (505), a rotating shaft (506), an adjusting plate (507), a camera (508), a fire detector (509), and an alarm (510). The electric turntable (501) is mounted on the top of the lifting plate (203), and two sets of vertical plates (502) are mounted on the top of the electric turntable (501). A rotating shaft (506) is rotatably connected between the two sets of vertical plates (502). An adjustment plate (507) is installed on the moving shaft (506). One end of the second electric push rod (504) is hinged to the top of the electric turntable (501) through the first shaft pin (503). The other end of the second electric push rod (504) is hinged to one end of the adjustment plate (507) through the second shaft pin (505). A camera (508) and a fire detector (509) are respectively installed on the adjustment plate (507). An alarm (510) is installed on the top of the lifting plate (203). The fire detector (509) is electrically connected to the alarm (510).

3. The server room alarm system as described in claim 1, characterized in that, It also includes a slot (106) and a limiting plate (107). The slot (106) is provided on the housing (102), and the limiting plate (107) is provided on the sealing plate (104).

4. A server room alarm system as described in claim 1, characterized in that, It also includes an inspection door (108) and bolts (109). The housing (102) is provided with an inspection port. The inspection door (108) is installed on the housing (102) by bolts (109) and the inspection door (108) seals the inspection port.

5. A server room alarm system as described in claim 1, characterized in that, It also includes handles (110), with handles (110) provided at the front and rear ends of the four-wheel drive mobile platform (101).

6. A server room alarm system as described in claim 4, characterized in that, It also includes a filter screen (111), and the inspection door (108) is equipped with a vent, on which the filter screen (111) is installed.

7. A server room alarm system as described in claim 6, characterized in that, The filter screen (111) is made of stainless steel.

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