CN219283541U

CN219283541U - Explosion-proof system for preventing explosion of air processor

Info

Publication number: CN219283541U
Application number: CN202320845294.2U
Authority: CN
Inventors: 廖少糖; 陈康宝
Original assignee: Foshan Xinyinkang Engineering Technology Co ltd
Current assignee: Foshan Xinyinkang Engineering Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-06-30
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses an explosion-proof system for preventing an air processor from being exploded, which is applied to a laboratory provided with the air processor and comprises an explosion-proof unit and a signal unit, wherein the laboratory is respectively provided with an exhaust channel and an air inlet channel, the exhaust channel is provided with an exhaust pneumatic door, and the air inlet channel is provided with an air exchanging pneumatic door; the explosion-proof unit is arranged outside the laboratory, the signal unit is arranged inside the laboratory, the explosion-proof unit is electrically connected with the signal unit, and the signal unit is electrically connected with the air exhaust pneumatic door and the air exchange pneumatic door respectively. The beneficial effects are that: after the air exhaust pneumatic door and the air exchange pneumatic door are automatically opened, the air (propane) with higher concentration can be exhausted from the laboratory along the air exhaust channel, fresh air outside the laboratory can be sent into the laboratory through the air inlet channel, and the risk of explosion of the laboratory caused by overhigh concentration of the air (propane) in the laboratory is effectively avoided through the design.

Description

Explosion-proof system for preventing explosion of air processor

Technical Field

The utility model relates to the technical field of air treatment machines, in particular to an explosion-proof system for preventing the explosion of an air treatment machine.

Background

The laboratory is generally provided with an air treatment machine, so that the laboratory can keep constant temperature and humidity, but the R290 refrigerant arranged on the air treatment machine, wherein the R290 refrigerant also called propane, has excellent thermal performance, low price, larger refrigerating capacity per unit volume, small external dimension, physical property very similar to R22, belongs to a direct substitute and has better protection to the environment;

however, at present, the R290 refrigerant has a certain risk in the use process, wherein the risk is that the combustibility of the R290 refrigerant, components such as a compressor, a condenser, an evaporator, a pipeline and the like of the air processor may cause leakage of working media, and electronic elements such as a temperature controller, a compressor relay, an illuminating lamp, a defrosting button and the like may be ignition sources, so that the R290 is easy to be inflammable and explosive.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide an explosion-proof system which has high automation degree, can reduce the inflammable and explosive potential safety hazards of R290 refrigerant and can effectively prevent the explosion of an air processor.

To achieve the purpose, the utility model adopts the following technical scheme:

an explosion-proof system for preventing an air processor from explosion is applied to a laboratory provided with the air processor and comprises an explosion-proof unit and a signal unit, wherein the laboratory is respectively provided with an air exhaust channel and an air inlet channel, the air exhaust channel is provided with an air exhaust pneumatic door, and the air inlet channel is provided with an air exchange pneumatic door; the explosion-proof unit is arranged outside the laboratory, the signal unit is arranged inside the laboratory, the explosion-proof unit is electrically connected with the signal unit, and the signal unit is electrically connected with the exhaust air pneumatic door and the ventilation air pneumatic door respectively.

Preferably, the signal unit comprises a control board, a first sensor and a second sensor, wherein the control board is arranged in the laboratory, and the first sensor and the second sensor are arranged on the surface of the control board; the explosion-proof unit is electrically connected with the control panel, the first sensor is electrically connected with the exhaust air pneumatic door, and the second sensor is electrically connected with the air exchanging pneumatic door.

Preferably, the explosion-proof system for preventing the explosion of the air processor comprises a first mounting frame and an exhaust door body, wherein the first mounting frame is mounted on the outer side of the exhaust channel, a first driving piece is arranged on the first mounting frame, the exhaust door body is movably mounted with an exhaust outlet of the exhaust channel, a receiving end of the first driving piece is electrically connected with the first sensor, and an output end of the first driving piece is connected with the exhaust door body.

Preferably, the explosion-proof system for preventing the explosion of the air processor, the air exchanging pneumatic door comprises a second mounting frame and an air exchanging door body, the second mounting frame is mounted on the outer side of the air exhausting channel, a second driving piece is arranged on the second mounting frame, the air exchanging door body is movably mounted with an air outlet of the air exhausting channel, a receiving end of the second driving piece is electrically connected with the second sensor, and an output end of the second driving piece is connected with the air exchanging door body.

Preferably, the explosion-proof system for preventing the explosion of the air processor further comprises an emergency pressure relief assembly, wherein the emergency pressure relief assembly is arranged at the top of the laboratory.

Preferably, the explosion-proof system for preventing the explosion of the air processor comprises a pressure relief door and a connecting shaft, wherein the top of the laboratory is provided with an emergency exhaust port, the inner side of the exhaust port is provided with a rotating hole, the pressure relief door is provided with the connecting shaft, and the pressure relief door is movably connected with the rotating hole through the connecting shaft.

The utility model has the beneficial effects that:

(1) When the gas (propane) concentration in laboratory is too high, can cause the staff in the laboratory to appear slightly dizziness, serious possibility that can lead to laboratory explosion is equipped with from this through the laboratory the passageway of airing exhaust and air inlet passageway to the passageway of airing exhaust and air inlet passageway correspond to be equipped with the pneumatic door of airing exhaust and trade pneumatic door, the outside of rethread laboratory is equipped with explosion-proof unit and the inside signal unit electric connection in laboratory, finally through signal unit with explosion-proof signal transmission for corresponding pneumatic door of airing exhaust and trade pneumatic door, thereby reach explosion-proof exhaust's purpose.

(2) When the signal unit detects that the concentration of gas (propane) in the laboratory is higher, the signal unit can send an opening signal to the air exhaust pneumatic door and the air exchange pneumatic door, after the air exhaust pneumatic door and the air exchange pneumatic door receive signals, the air exhaust pneumatic door and the air exchange pneumatic door are automatically opened, the automation degree is improved through the design, after the air exhaust pneumatic door and the air exchange pneumatic door are automatically opened, gas (propane) with higher concentration is discharged from the laboratory along an air exhaust channel, fresh air outside the laboratory is fed into the laboratory through the air inlet channel, and the risk of explosion in the laboratory is effectively avoided through the design.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is a circuit flow diagram of one embodiment of the present utility model;

fig. 3 is a schematic structural diagram of an emergency pressure relief assembly.

Wherein: the air treatment device comprises an air treatment machine 11, a laboratory 12, an explosion-proof unit 13, a signal unit 14, an air exhaust channel 15, an air inlet channel 16, an air exhaust pneumatic door 17, an air exchange pneumatic door 18, a control panel 19, a first sensor 20, a second sensor 21, a first mounting frame 22, an air exhaust door body 23, a first driving piece 24, a second mounting frame 25, an air exchange door body 26, a second driving piece 27, an emergency pressure relief assembly 28, an emergency air outlet 29, a pressure relief door 30 and a connecting shaft 31.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1 to 3, an explosion-proof system for preventing explosion of an air handler is applied to a laboratory 12 provided with the air handler 11, and comprises an explosion-proof unit 13 and a signal unit 14, wherein the laboratory 12 is respectively provided with an air exhaust channel 15 and an air inlet channel 16, the air exhaust channel 15 is provided with an air exhaust pneumatic door 17, and the air inlet channel 16 is provided with an air exchange pneumatic door 18; the explosion-proof unit 13 is arranged outside the laboratory 12, the signal unit 14 is arranged inside the laboratory 12, the explosion-proof unit 13 is electrically connected with the signal unit 14, and the signal unit 14 is electrically connected with the air exhaust pneumatic door 17 and the air exchange pneumatic door 18 respectively; the air treatment machine 11 is provided with R290 refrigerant, R290 is also called (propane) and is a novel environment-friendly refrigerant, and is mainly used for refrigerating equipment, in the process of using the air treatment machine 11, the R290 refrigerant can generate the whole gas (propane) to permeate into the laboratory 12, when the concentration of the gas (propane) is too high, the light dizziness of workers in the laboratory 12 can be caused, the possibility of explosion of the laboratory 12 can be seriously caused, therefore, an exhaust channel 15 and an air inlet channel 16 are arranged in the laboratory 12, the exhaust channel 15 and the air inlet channel 16 are correspondingly provided with an exhaust pneumatic door 17 and an air exchange pneumatic door 18, an explosion-proof unit 13 arranged outside the laboratory 12 is electrically connected with a signal unit 14 in the laboratory 12, and finally, an explosion-proof signal is transmitted to the corresponding exhaust pneumatic door 17 and the air exchange pneumatic door 18 through the signal unit 14, so that the purpose of exhausting is achieved; when the signal unit 14 detects that the concentration of the gas (propane) in the laboratory 12 is higher, the signal unit 14 can send an opening signal to the air exhaust pneumatic door 17 and the air exchange pneumatic door 18, after the air exhaust pneumatic door 17 and the air exchange pneumatic door 18 receive the signals, the air exhaust pneumatic door 17 and the air exchange pneumatic door 18 are automatically opened, the automation degree is improved, after the air exhaust pneumatic door 17 and the air exchange pneumatic door 18 are automatically opened, the gas (propane) with higher concentration is discharged from the laboratory 12 along the air exhaust channel 15, the fresh air outside the laboratory 12 is fed into the laboratory 12 through the air inlet channel 16, and the risk of explosion of the laboratory 12 caused by the fact that the concentration of the gas (propane) in the laboratory 12 is too high is effectively avoided through the design.

It should be noted that, the explosion-proof unit 13 is used for powering on the signal unit 14, so that the signal unit 14 can detect and send signals.

The explosion-proof system for preventing explosion of an air handler in this embodiment, wherein the signal unit 14 includes a control board 19, a first sensor 20 and a second sensor 21, the control board 19 is provided inside the laboratory 12, and the first sensor 20 and the second sensor 21 are mounted on the surface of the control board 19; the explosion-proof unit 13 is electrically connected with the control panel 19, the first sensor 20 is electrically connected with the air exhaust pneumatic door 17, and the second sensor 21 is electrically connected with the air exchange pneumatic door 18; the first inductor 20 and the pneumatic door 17 electric connection of airing exhaust, the second inductor 21 and the pneumatic door 18 electric connection of airing exhaust, in concrete use, first inductor 20 and second inductor 21 can detect laboratory inside, when detecting that laboratory 12's inside gas (propane) concentration is higher, first inductor 20 and second inductor 21 can send the instruction of opening or closing the door to pneumatic door 17 of airing exhaust and pneumatic door 18 of airing exhaust, such design can discharge higher gas (propane) of concentration, also can send fresh air into laboratory 12 inside, and in addition such design has also improved entire system's degree of automation.

In the explosion-proof system for preventing explosion of an air handler in this embodiment, the air exhaust pneumatic door 17 includes a first mounting frame 22 and an air exhaust door body 23, the first mounting frame 22 is mounted on the outer side of the air exhaust channel 15, a first driving member 24 is disposed on the first mounting frame 22, the air exhaust door body 23 is movably mounted with an air exhaust outlet of the air exhaust channel 15, a receiving end of the first driving member 24 is electrically connected with the first sensor 20, and an output end of the first driving member 24 is connected with the air exhaust door body 23; when the first sensor 20 transmits the door opening signal to the first driving member 24, the exhaust door body 23 is opened through the output end of the first driving member 24, and the design achieves the effect of automatically opening or closing the exhaust door body 23 and achieves the purpose of exhausting gas (propane).

In the explosion-proof system for preventing explosion of an air handler in this embodiment, the ventilation pneumatic door 18 includes a second mounting frame 25 and a ventilation door body 26, the second mounting frame 25 is mounted on the outer side of the ventilation channel 15, a second driving member 27 is disposed on the second mounting frame 25, the ventilation door body 26 is movably mounted with an air outlet of the ventilation channel 15, a receiving end of the second driving member 27 is electrically connected with the second sensor 21, and an output end of the second driving member 27 is connected with the ventilation door body 26; when the second sensor 21 transmits the door opening signal to the second driving member 27, the air exchanging door body 26 is opened through the output end of the second driving member 27, and the effect of automatically opening or closing the air exchanging door body 26 is achieved by the design, and the purpose of feeding fresh air into the laboratory 12 is achieved.

The explosion-proof system for preventing the explosion of the air processor in some embodiments further comprises an emergency pressure relief assembly 28, wherein the emergency pressure relief assembly 28 is arranged at the top of the laboratory 12, the emergency pressure relief assembly 28 comprises a pressure relief door 30 and a connecting shaft 31, an emergency exhaust port 29 is formed in the top of the laboratory 12, a rotating hole is formed in the inner side of the exhaust port, the pressure relief door 30 is provided with the connecting shaft 31, and the pressure relief door 30 is movably connected with the rotating hole through the connecting shaft 31; the design can cope with emergency, when the exhaust air pneumatic door 17 and the ventilation air pneumatic door 18 cannot be normally used and opened, flammable and explosive gas (propane) in the laboratory 12 can be flushed out by a certain pressure generated by the gas (propane) when the concentration exceeds sixty percent and the exhaust air pneumatic door 17 and the ventilation air pneumatic door 18 cannot be exhausted and ventilated, so that the risk of explosion of the laboratory 12 can be reduced.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. An explosion-proof system for preventing explosion of an air processor is applied to a laboratory provided with the air processor and comprises an explosion-proof unit and a signal unit, and is characterized in that: the laboratory is respectively provided with an exhaust channel and an air inlet channel, the exhaust channel is provided with an exhaust pneumatic door, and the air inlet channel is provided with an air exchange pneumatic door;

the explosion-proof unit is arranged outside the laboratory, the signal unit is arranged inside the laboratory, the explosion-proof unit is electrically connected with the signal unit, and the signal unit is electrically connected with the exhaust air pneumatic door and the ventilation air pneumatic door respectively.

2. An explosion protection system for preventing explosion of an air handler according to claim 1, wherein: the signal unit comprises a control board, a first sensor and a second sensor, wherein the control board is arranged in the laboratory, and the first sensor and the second sensor are both arranged on the surface of the control board;

the explosion-proof unit is electrically connected with the control panel, the first sensor is electrically connected with the exhaust air pneumatic door, and the second sensor is electrically connected with the air exchanging pneumatic door.

3. An explosion protection system for preventing explosion of an air handler according to claim 2, wherein: the air exhaust pneumatic door comprises a first mounting frame and an air exhaust door body, wherein the first mounting frame is mounted on the outer side of an air exhaust channel, a first driving piece is arranged on the first mounting frame, the air exhaust door body is movably mounted with an air exhaust outlet of the air exhaust channel, a receiving end of the first driving piece is electrically connected with a first sensor, and an output end of the first driving piece is connected with the air exhaust door body.

4. An explosion protection system for preventing explosion of an air handler according to claim 2, wherein: the air exchanging pneumatic door comprises a second mounting frame and an air exchanging door body, wherein the second mounting frame is mounted on the outer side of the air exhausting channel, a second driving piece is arranged on the second mounting frame, the air exchanging door body is movably mounted with an air exhausting outlet of the air exhausting channel, a receiving end of the second driving piece is electrically connected with the second sensor, and an output end of the second driving piece is connected with the air exchanging door body.

5. An explosion protection system for preventing explosion of an air handler according to claim 1, wherein: still include urgent pressure release subassembly, urgent pressure release subassembly sets up the top in laboratory.

6. An explosion protection system for preventing explosion of an air handler according to claim 5, wherein: the emergency pressure relief assembly comprises a pressure relief door and a connecting shaft, an emergency exhaust port is formed in the top of the laboratory, a rotating hole is formed in the inner side of the exhaust port, the connecting shaft is arranged on the pressure relief door, and the pressure relief door is movably connected with the rotating hole through the connecting shaft.