CN218630965U - Early warning device of server computer lab high temperature smog - Google Patents

Early warning device of server computer lab high temperature smog Download PDF

Info

Publication number
CN218630965U
CN218630965U CN202223001612.1U CN202223001612U CN218630965U CN 218630965 U CN218630965 U CN 218630965U CN 202223001612 U CN202223001612 U CN 202223001612U CN 218630965 U CN218630965 U CN 218630965U
Authority
CN
China
Prior art keywords
warning device
box
area
smoke
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202223001612.1U
Other languages
Chinese (zh)
Inventor
汪传新
田洁
鲍丽霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrial and Commercial Bank of China Ltd ICBC
Original Assignee
Industrial and Commercial Bank of China Ltd ICBC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrial and Commercial Bank of China Ltd ICBC filed Critical Industrial and Commercial Bank of China Ltd ICBC
Priority to CN202223001612.1U priority Critical patent/CN218630965U/en
Application granted granted Critical
Publication of CN218630965U publication Critical patent/CN218630965U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fire Alarms (AREA)

Abstract

The utility model discloses a warning device of server computer lab high temperature smog can be applied to financial equipment technical field or other fields. The early warning device includes: mounting a box; a plurality of branch pipes, one ends of which are provided on the circumferential outer surface of the mounting box, and the other ends of which face the server cabinet; rotating the cartridge; a motor; a partition plate; a switching port; a first temperature sensor, a smoke concentration sensor and an air outlet fan. Through the utility model provides an early warning device, the gas that can extract a certain rack position of server computer lab carries out the analysis, can detect the source of smog to improve subsequent rescue efficiency.

Description

Early warning device of server computer lab high temperature smog
Technical Field
The utility model relates to a financial equipment technical field, concretely relates to early warning device of server computer lab high temperature smog.
Background
A server room is a room designed for the continuous operation of computer servers, usually equipped with air conditioning equipment, and a building or a site dedicated to this purpose is called a data center.
Along with the gradual popularization of modern communication networks, the dependence of enterprises and public institutions on machine room monitoring is more and more obvious, and the fire safety of machine rooms is more and more emphasized. The equipment value of the machine room is high, and the value is often embodied not only in the equipment itself but also in the service provided by the equipment; the loss of the device's behavior to stop working or to abort service often outweighs the value of the device itself. Therefore, the normal operation of the machine room is ensured, and the maintenance of the good working environment of the machine room is very important.
In the prior art, reference (CN 212906546U) discloses a fire-fighting sensing device for a server room, which includes: the smoke detector comprises a mounting plate, wherein a working box is welded on the lower surface of the mounting plate, a through hole is formed in one end of the working box, an exhaust fan is inserted into the through hole, a smoke sensor is welded at one end of the working box, and a temperature and humidity sensor is welded on the lower surface of the working box; one side of the working box is provided with a wire hole, and the working box is provided with an exhaust hole; an equipment box is welded on one side of the working box, and a wireless signal transceiver is welded on one side of the inner wall of the equipment box; the singlechip is welded to the other side of the inner wall of the equipment box, and the storage battery box is welded to one end of the equipment box. When the temperature that the temperature and humidity inductor detected was too high, this sensing device was through starting the air exhauster and with the air pump drainage to the work box in, when smoke sensor detected smog concentration in the air and exceeded standard, the singlechip can send the condition of a fire to control terminal and carry out the police dispatch newspaper, starts audio alert ware simultaneously, buzzes the early warning for the early warning to the conflagration is more accurate.
It can be seen that although the fire warning to the machine room can be realized by the fire-fighting sensing device for the machine room, the gas in the position of the whole server machine room can be directly extracted for analysis, so that the specific positions of smoke and heat sources cannot be estimated, and the specific cabinet which generates high temperature or smoke cannot be judged, thereby affecting the subsequent rescue efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the background art exists, the utility model discloses a further set up the mounting box, rotate box, motor, sensor and a plurality of bleeder response and produce the specific position of smog to judge the specific rack position that produces high temperature and smog, with produce the auxiliary action to the later stage rescue.
According to the utility model discloses an aspect provides a server computer lab high temperature smog's early warning device, early warning device includes: mounting a box; one end of each branch pipe is arranged on the circumferential outer wall of the mounting box, and the other end of each branch pipe faces the server cabinet; the rotating box is rotatably arranged in the mounting box; the motor is fixedly arranged on the mounting box, and the output end of the motor is connected with the rotating box; the partition plate is arranged in the rotating box and divides an area in the rotating box into a first area and a second area, and the second area is communicated with the environment in the machine room; the switching port is formed in the inner wall, located in the first area, of the rotating box, and when the switching port corresponds to the branch pipe, the first area can be communicated with the environment in the machine room; a first temperature sensor and a smoke concentration sensor disposed within the first zone for sensing temperature and smoke concentration values within the first zone; and the air outlet fan is used for pumping air into the rotating box and discharging the air.
According to the exemplary embodiment of the present invention, the partition plate is provided with an air inlet, the air inlet is provided with an elastic valve, and the elastic valve is in one-way conduction from the first region to the second region.
According to the utility model discloses an exemplary embodiment, the fan setting of giving vent to anger is in rotation bottom of the box portion in the second region, the vent has still been seted up to rotation bottom of the box portion, the fan of giving vent to anger with the coaxial setting of vent.
According to the utility model discloses an exemplary embodiment, early warning device further includes: and the second temperature sensor and the smoke sensor are arranged in the second area and are used for sensing the temperature and the smoke value of the environment in the machine room.
According to the utility model discloses an exemplary embodiment, be provided with the controller on the mounting box, the input of controller with first temperature sensor, second temperature sensor, smoke concentration sensor and smoke transducer electric connection, the output of controller with the input electric connection of motor.
According to the utility model discloses an exemplary embodiment, controller and communication module electric connection, communication module is used for uploading the signal that first temperature sensor, second temperature sensor, smoke concentration sensor and smoke sensor sensed.
According to the exemplary embodiment of the present invention, the motor is a stepping motor, and the stepping motor is used for moving the rotation box according to the angular displacement output by the controller.
According to an exemplary embodiment of the present invention, the time interval of the stepper motor running every second time is at most 3s.
According to the exemplary embodiment of the utility model, the bleeder sets up to 6 at least, and ring-shaped distribution is in on the mounting box.
According to an exemplary embodiment of the present invention, the first temperature sensor and the smoke concentration sensor are arranged close to the switching port.
The high-temperature smoke early warning device for the server room can upload the temperature value sensed by the first temperature sensor in the server room through the communication module by the controller; when the interior high temperature of server computer lab or when producing smog, smoke transducer senses smog or first temperature sensor and senses the temperature and surpass high threshold value after, controller control step motor drives the box rotation of rotating, and then judges which server rack produces high temperature and smog according to smog concentration and temperature value, plays the complementary action to the later stage rescue, solved prior art among the background art and can't carry out the problem that detects to the concrete position that high temperature and smog take place, further strengthened the security of condition of a fire monitoring in the computer lab.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, which serve to provide a thorough understanding of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 shows a cross-sectional view of an early warning device for high-temperature smoke in a server room according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a setting manner of a rotating box and a mounting box of the early warning device for high-temperature smoke in a server room according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating the arrangement positions of the motor and the controller of the early warning device for high-temperature smoke in the server room according to the embodiment of the present invention;
fig. 4 shows the schematic diagram of the branch pipe of the early warning device for high-temperature smoke in the server room of the embodiment of the present invention corresponding to each cabinet.
Shown in the figure: 1. mounting a box; 2. rotating the cartridge; 21. a first region; 211. a switching port; 22. a second region; 3. a motor; 4. a branch pipe; 5. a partition plate; 51. an air inlet; 6. an air outlet fan; 7. a first temperature sensor; 8. a smoke concentration sensor; 9. a second temperature sensor; 10. a smoke sensor; 11. an elastic valve; 12. a controller; 13. a communication module; 14. a vent; 100. a cabinet.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprises," "comprising," and the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.
Where a convention analogous to "at least one of A, B, or C, etc." is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., "a system having at least one of A, B, or C" would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be noted that directional terms, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used in the embodiments indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Herein, unless specifically stated otherwise, the expression "connected" may mean directly connected, for example, two components are physically or mechanically connected; the expression "connected" may also mean indirectly connected, for example, by means of a signal-transmitting intercommunication connection.
The utility model provides a warning device of server computer lab high temperature smog, warning device includes: mounting a box; one end of each branch pipe is arranged on the circumferential outer wall of the mounting box, and the other end of each branch pipe faces the server cabinet; a rotating box rotatably mounted in the mounting box; a motor; the partition plate is arranged in the rotating box and divides an area in the rotating box into a first area and a second area, and the second area is communicated with the environment in the machine room; the switching port is formed in the inner wall, located in the first area, of the rotating box, and when the switching port corresponds to the branch pipe, the first area can be communicated with the environment in the machine room; a first temperature sensor and a smoke concentration sensor arranged in the first region for sensing temperature and smoke concentration values in the first region; and the air outlet fan is used for pumping air into the rotating box and discharging the air.
It should be noted that the utility model provides an early warning device that embodiment provided can be used to the finance field, also can be used to the arbitrary multiple field except that the finance field, the utility model discloses an early warning device's that embodiment provides application does not limit.
The early warning device for high-temperature smoke in a server room according to the embodiment of the present disclosure will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows a cross-sectional view of an early warning device for high-temperature smoke in a server room according to an embodiment of the present invention; fig. 2 is a schematic diagram illustrating a setting manner of a rotating box and a mounting box of the early warning device for high-temperature smoke in a server room according to an embodiment of the present invention; fig. 3 is a schematic diagram illustrating the arrangement positions of the motor and the controller of the early warning device for high-temperature smoke in a server room according to an embodiment of the present invention; fig. 4 shows the schematic diagram of the branch pipe of the early warning device for high-temperature smoke in a server room of the embodiment of the present invention corresponding to each cabinet.
Referring to fig. 1-4, an early warning device for high-temperature smoke in a server room comprises a mounting box 1, wherein a rotating box 2 is rotatably embedded in the mounting box 1; the mounting box 1 is fixedly provided with a motor 3, and the output end of the motor 3 is connected with the rotating box 2. A plurality of branch pipes 4 are arranged on the mounting box 1, and one end of each branch pipe 4 is arranged on the circumferential outer wall of the mounting box 1; the other end faces the multi-location server rack 100 and is located above the multi-location server rack 100. In the present embodiment, the branch pipes 4 are hollow pipes, and the number of the branch pipes may correspond to the number of the cabinets 100 in the server room, so that air near each cabinet 100 may enter the installation box 1 through the branch pipes 4. As shown in fig. 1 to 4, the branch pipes 4 may be at least 6 and are annularly distributed on the mounting box 1.
Further, a partition plate 5 is installed at the middle of the rotation box 2, and the partition plate 5 is disposed inside the rotation box 2 and divides an area inside the rotation box 2 into a first area 21 and a second area 22. Specifically, the inner wall of the rotating box 2 located in the first area 21 is provided with a switching port 211, so that when the rotating box 2 carries the switching port 211 to rotate to correspond to a branch pipe 4, the first area 21 can be communicated with the environment in the machine room, that is, air near a certain server cabinet 100 can enter the first area 21 through the branch pipe 4; the second area 22 is provided with an air outlet fan 6, specifically, the air outlet fan 6 is installed at the bottom of the rotating box, and is used for drawing air into the rotating box 2 and discharging the air, and a vent 14 coaxial with the air outlet fan 6 is further opened at the bottom of the rotating box, so that the second area 22 is communicated with the environment in the machine room.
In the present embodiment, in order to detect the ambient temperature and smoke, a temperature sensor, a smoke concentration sensor 8 and a smoke sensor 10 are further provided. Wherein the temperature sensors comprise a first temperature sensor 7 and a second temperature sensor 9, the first temperature sensor 7 and the second temperature sensor 9 are respectively arranged in a first area 21 and a second area 22; the smoke sensor 10 is arranged in the second area 22 and used for acting on real-time sensing of the environment temperature and the smoke value in the server room together with the second temperature sensor 9; the smoke concentration sensor 8 is disposed in the first area 21, and is disposed close to the switching port 211 together with the first temperature sensor 7, so that when the switching port 211 rotates to a branch pipe 4, the air temperature and the smoke concentration of the cabinet 100 at the position are rapidly detected, and the response time of fire detection is increased.
According to the embodiment of the present invention, the partition plate 5 has an air inlet 51, the air inlet 51 is provided with an elastic valve 11, and the elastic valve 11 is in one-way conduction from the first region 21 to the second region 22. The arrangement of the air inlet 51 and the elastic valve 11 enables the first area 21 to receive only the air flowing in from the branch pipe 4 and to discharge the air in time through the air outlet fan 6, so that the detection result of the air near each corresponding cabinet 100 is more accurate.
In this embodiment, a controller 12 is further installed on the installation box 1, an input end of the controller 12 is electrically connected to the first temperature sensor 7, the second temperature sensor 9, the smoke concentration sensor 8 and the smoke sensor 10, an output end of the controller 12 is electrically connected to a control end of the motor 3, and the controller 12 is electrically connected to the communication module 13. The communication module 13 is used for uploading the signals sensed by the first temperature sensor 7, the second temperature sensor 9, the smoke concentration sensor 8 and the smoke sensor 10.
Preferably, the motor 3 is a stepper motor 3. The stepping motor 3 is a motor that converts an electric pulse signal into a corresponding angular displacement or linear displacement, and when a pulse signal is inputted, the rotor rotates by one angle or one step, and the outputted angular displacement or linear displacement is proportional to the inputted pulse signal, and the rotational speed is proportional to the pulse frequency. In the present embodiment, the stepping motor 3 is configured to move in accordance with the angular displacement output from the controller 12; therefore, in order to further improve the response efficiency of the warning device, the time interval between two operations of the stepping motor 3 is at most 3s. Meanwhile, in order to enable the stepping motor 3 to drive the rotating box 2 to move with a specific angular displacement, the switching port 211 can be corresponding to the branch pipe 4, and then the rotating box 2 is installed at an initial position where the switching port 211 corresponds to a certain branch pipe 4, so as to improve the early warning efficiency.
The utility model provides a server computer lab high temperature smog early warning device can temperature and smog value in the real-time detection computer lab to the rack 100 of the specific condition of a fire that takes place of short-term test when the temperature surpasses predetermined threshold value or sensing to smog, in order to produce the auxiliary action to the rescue. Specifically, the second temperature sensor 9 and the smoke sensor 10 in the second area 22 sense the temperature and the smoke in the environment in real time; meanwhile, the controller 12 may upload the temperature value sensed by the second temperature sensor 9 and the smoke value sensed by the smoke sensor 10 in the server room environment through the communication module 13. When the temperature in the server room is too high or smoke is generated, the smoke sensor 10 senses the smoke or the second temperature sensor 9 can sense that the temperature exceeds a threshold value, the controller 12 controls the stepping motor 3 to drive the rotating box 2 to rotate, the rotating box 2 rotates to drive the switching port 211 to rotate, and the stepping motor 3 stops working when the switching port 211 rotates to the position of the next branch pipe 4; simultaneously, fan 6 opens out gas, and then in gaseous first region 21 that enters into through bleeder 4, smog concentration sensor 8 and first temperature sensor 7 upload the temperature and the smog concentration numerical value of this position, and through the gaseous discharge mounting box 1 in one-way elastic valve 11 in with first region 21, after interval a period, for example 3s, step motor 3 drives and switches over mouthful 211 and remove next bleeder 4, then circulate above-mentioned process, rotate the box 2 at least the round until, make near the air in the rack 100 that every bleeder 4 corresponds can both be sensed to, and then controller 12 can judge that it is near which server rack 100 produces high temperature and smog according to smog concentration and temperature value, in order to play the additional contribution to the later stage rescue.
In summary, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should have a clear understanding of the present invention.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
Moreover, the use of ordinal numbers such as "first," "second," "third," etc., in the specification and claims to modify a corresponding element is not by itself intended to imply any order of magnitude between the element and another element or order in a method of manufacture, but rather the use of a number of ordinal numbers to distinguish one element having a certain name from another element having a same name.
It should be noted that throughout the drawings, like elements are represented by like or similar reference numerals. In the following description, some specific embodiments are for illustrative purposes only, and should not be construed as limiting the invention in any way, but merely as exemplifications of embodiments of the invention. Conventional structures or constructions will be omitted when they may obscure the understanding of the present invention. It should be noted that the shapes and sizes of the respective unit pieces in the drawings do not reflect the actual sizes and proportions, but merely illustrate the contents of the embodiments of the present invention.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a warning device of server computer lab high temperature smog which characterized in that, warning device includes:
mounting a box;
one end of each branch pipe is arranged on the circumferential outer wall of the mounting box, and the other end of each branch pipe faces the server cabinet;
the rotating box is rotatably arranged in the mounting box;
the motor is fixedly arranged on the mounting box, and the output end of the motor is connected with the rotating box;
the partition plate is arranged in the rotating box and divides an area in the rotating box into a first area and a second area, and the second area is communicated with the environment in the machine room;
the switching port is formed in the inner wall, located in the first area, of the rotating box, and when the switching port corresponds to the branch pipe, the first area can be communicated with the environment in the machine room;
a first temperature sensor and a smoke concentration sensor disposed within the first zone for sensing temperature and smoke concentration values within the first zone;
and the air outlet fan is used for pumping air into the rotating box and discharging the air.
2. The early warning device of claim 1,
the partition board is provided with an air inlet, an elastic valve is arranged on the air inlet, and the elastic valve is communicated in a one-way mode from the first area to the second area.
3. The warning device of claim 2,
the air outlet fan is arranged at the bottom of the rotating box in the second area, a ventilation opening is further formed in the bottom of the rotating box, and the air outlet fan and the ventilation opening are coaxially arranged.
4. The warning device of claim 3, further comprising:
and the second temperature sensor and the smoke sensor are arranged in the second area and are used for sensing the temperature and the smoke value of the environment in the machine room.
5. The early warning device of claim 4,
the mounting box is provided with a controller, the input end of the controller is electrically connected with the first temperature sensor, the second temperature sensor, the smoke concentration sensor and the smoke sensor, and the output end of the controller is electrically connected with the input end of the motor.
6. The early warning device of claim 5,
the controller is electrically connected with the communication module, and the communication module is used for uploading signals sensed by the first temperature sensor, the second temperature sensor, the smoke concentration sensor and the smoke sensor.
7. The warning device of claim 5 or 6,
the motor is a stepping motor, and the stepping motor is used for moving the rotating box according to the angular displacement output by the controller.
8. The warning device of claim 7,
the time interval of every two times of running of the stepping motor is at most 3s.
9. The warning device of claim 1,
the branched pipes are at least arranged to be 6 and are annularly distributed on the mounting box.
10. The early warning device of claim 1,
the first temperature sensor and the smoke concentration sensor are arranged close to the switching port.
CN202223001612.1U 2022-11-11 2022-11-11 Early warning device of server computer lab high temperature smog Active CN218630965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223001612.1U CN218630965U (en) 2022-11-11 2022-11-11 Early warning device of server computer lab high temperature smog

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223001612.1U CN218630965U (en) 2022-11-11 2022-11-11 Early warning device of server computer lab high temperature smog

Publications (1)

Publication Number Publication Date
CN218630965U true CN218630965U (en) 2023-03-14

Family

ID=85424712

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223001612.1U Active CN218630965U (en) 2022-11-11 2022-11-11 Early warning device of server computer lab high temperature smog

Country Status (1)

Country Link
CN (1) CN218630965U (en)

Similar Documents

Publication Publication Date Title
RU2422905C2 (en) Device for detection of fire in equipment rack of electric equipment
CN202093376U (en) City combustion gas monitoring alarm system
TWI270826B (en) Method and apparatus for detecting and localising a fire
US20050046563A1 (en) System and method for suppressing the spread of fire and various contaminants
CN112116775A (en) Fire detection method of multi-split air-conditioning equipment and multi-split air-conditioning system
CN102129245A (en) City gas monitoring and warning system
WO2016101065A1 (en) Method and system for determination of false alarm
CN114511982B (en) Smoke alarm method and intelligent smoke alarm
CN111578423A (en) Intelligent smoke prevention and discharge control system for building fire fighting
CN110796822A (en) Method for prejudging fire point direction based on improved smoke alarm
CN206669976U (en) Fire-fighting forced draft control system and fire-fighting air-supply instrument
CN218630965U (en) Early warning device of server computer lab high temperature smog
JP2004092976A (en) Failure diagnostic device and air conditioner
CN110645685B (en) Security monitoring method and device based on fresh air machine
CN107667262B (en) Ventilation system
KR200440834Y1 (en) Self diagnostic system for air conditioner
JP4144513B2 (en) Ventilation system and housing structure provided with the same
CN216561565U (en) Material warehouse environmental monitoring system
CN212516052U (en) Novel smoke induction alarm
CN205942830U (en) Intelligent security access control system
JP4720296B2 (en) Ventilation system and ventilation device
CN218328526U (en) Intelligent security ventilation equipment
CN214311990U (en) Fire early warning equipment
CN210180481U (en) Intelligent machine room environment monitoring system
CN218938822U (en) Pipe gallery group control device based on PLC

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant