CN215522897U - Combustible gas detection control cabinet with explosion-proof function - Google Patents

Abstract

The utility model discloses a combustible gas detection control cabinet with an explosion-proof function, which relates to the technical field of combustible gas detection control cabinets and comprises a box body, wherein a gas pipe is arranged in the box body, an upper mounting sleeve is fixedly connected above one side wall in the box body, a gas detection head is arranged on the upper mounting sleeve, a lower mounting sleeve with the same structure as the upper mounting sleeve is fixedly connected below one side wall in the box body, an air inlet pipe is communicated below the other side wall of the box body, the air inlet pipe is communicated with a blower, an air outlet pipe is communicated with the upper wall of the box body, the air outlet pipe is communicated with an extension hose, an alarm lamp, a buzzer and a controller are sequentially and fixedly connected on one side of the air outlet pipe on the upper wall of the box body, a pair of box doors are arranged on the front wall of the box body, and air is blown into the box body by the blower to enable the gas in the box body to be discharged through the air outlet pipe and the extension hose, thereby diluting the gas in the box body and preventing fire and explosion.

Description

Combustible gas detection control cabinet with explosion-proof function

Technical Field

The utility model relates to the technical field of combustible gas detection control cabinets, in particular to a combustible gas detection control cabinet with an explosion-proof function.

Background

At present, need set up the switch board at the valve department that gas pipeline shunts or close and come to protect it, the valve is in the condition of the inevitable emergence leakage of long-time use, like in the utility model patent of publication No. CN201723979U, discloses a combustible gas reposition of redundant personnel protection switch board, including the cabinet body, admission line, pipeline, admission line and the pipeline of giving vent to anger all set up at the cabinet internally, still include the flow divider, and the export of admission line and the import intercommunication of flow divider, the import of the pipeline of giving vent to anger and the export intercommunication of flow divider. Above-mentioned structure sets up the flow divider in the pipe-line system of the cabinet body, the effectual arrangement that has reduced the pipeline, when holistic pipe arrangement, with combustible gas reposition of redundant personnel protection switch board as a transfer station, gas leakage possibility has been reduced, and such structure is very simple moreover, reduces pipe-line system's connecting portion, improves the security performance, however, the device can't discharge combustible gas when the pipeline takes place to leak, easily take place the explosion after gaseous reaching the certain degree, the result of use is not good.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a combustible gas detection control cabinet with an explosion-proof function, which solves the technical problem that combustible gas cannot be discharged when a pipeline leaks by the conventional device.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a combustible gas detects switch board with explosion-proof function, includes the box, install the gas pipe in the box, a lateral wall top rigid coupling has last installation cover in the box, go up the installation and sheathe in and install gaseous detection head, a lateral wall below rigid coupling has the lower installation cover the same with last installation cover structure in the box, another lateral wall below intercommunication of box has the intake pipe, the intake pipe intercommunication has the air-blower, the box upper wall intercommunication has the outlet duct, the outlet duct intercommunication has the extension hose, the wall just is located on the box outlet duct one side rigid coupling has alarm lamp, bee calling organ and controller in proper order, a pair of chamber door is installed to the box antetheca, the outlet duct entrance point is equipped with the one-way structure of giving vent to anger.

Preferably, the one-way air outlet structure comprises a mounting groove fixedly connected to the inner side of the upper wall of the box body, a plurality of first air holes are formed in the lower wall of the mounting groove, a baffle is movably mounted in the mounting groove, a plurality of second air holes are formed in the baffle, and the first air holes and the second air holes are formed in a staggered mode.

Preferably, the mounting groove is of a rectangular structure.

Preferably, an air distribution plate is fixedly connected in the box body and between the lower mounting sleeve and the air inlet pipe, and a plurality of third air holes are formed in the air distribution plate.

Preferably, the pair of box doors are provided with observation windows.

Preferably, a ground wire is installed below the outer wall surface of one side of the box body.

Preferably, a sealing ring is arranged at the joint of the gas pipe and the box body.

Advantageous effects

The utility model provides a combustible gas detection control cabinet with an explosion-proof function, which has the following beneficial effects that gas in a box can be monitored through a gas detection head, a detected signal is transmitted into a controller through a wire by the gas detection head when the gas leaks, a light signal and a sound signal are sent out by controlling an alarm lamp and a buzzer through the controller to give an alarm for a worker when a detected value is larger than a set alarm value, air is blown into the box body through a blower so that the gas in the box can be discharged through an exhaust pipe and an extension hose, so that the gas in the box body is diluted and prevented from being ignited and exploded, when the blower is not operated, a first air hole can be sealed through dead weight by a baffle plate arranged, external gas is prevented from flowing back into the box body through the exhaust pipe, and the detection accuracy of the gas detection head is reduced.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic front view of the internal structure of the present invention.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is a bottom view of the mounting groove of the present invention.

In the figure: 1-a box body; 2-a gas pipe; 3-installing a sleeve; 4-lower mounting sleeve; 5-a gas detection head; 6, an air inlet pipe; 7-a blower; 8-air outlet pipe; 9-extension hose; 10-an alarm lamp; 11-a buzzer; 12-a controller; 13-a box door; 14-a viewing window; 15-mounting grooves; 16-a first air hole; 17-a baffle; 18-a second air hole; 19-gas distribution plate; 20-third pores; 21-ground line; 22-sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a combustible gas detection control cabinet with an explosion-proof function comprises a box body 1, wherein a gas pipe 2 is installed in the box body 1, an upper installation sleeve 3 is fixedly connected to the upper portion of one side wall in the box body 1, a gas detection head 5 is installed on the upper installation sleeve 3, a lower installation sleeve 4 with the same structure as the upper installation sleeve 3 is fixedly connected to the lower portion of one side wall in the box body 1, an air inlet pipe 6 is communicated to the lower portion of the other side wall of the box body 1, the air inlet pipe 6 is communicated with an air blower 7, an air outlet pipe 8 is communicated to the upper portion of the box body 1, the air outlet pipe 8 is communicated with an extension hose 9, an alarm lamp 10, a buzzer 11 and a controller 12 are fixedly connected to the upper wall of the box body 1 and located on one side of the air outlet pipe 8 in sequence, a pair of box doors 13 is installed on the front wall of the box body 1, and a one-way air outlet structure is arranged at the inlet end of the air outlet pipe 8; the unidirectional air outlet structure comprises a mounting groove 15 fixedly connected to the inner side of the upper wall of the box body 1, a plurality of first air holes 16 are formed in the lower wall of the mounting groove 15, a baffle 17 is movably mounted in the mounting groove 15, a plurality of second air holes 18 are formed in the baffle 17, and the first air holes 16 and the second air holes 18 are formed in a staggered mode; the mounting groove 15 is of a rectangular structure; a gas distribution plate 19 is fixedly connected between the lower mounting sleeve 4 and the gas inlet pipe 6 in the box body 1, and a plurality of third gas holes 20 are formed in the gas distribution plate 19; the pair of box doors 13 are provided with observation windows 14; a ground wire 21 is arranged below the outer wall surface at one side of the box body 1; and a sealing ring 22 is arranged at the joint of the gas pipe 2 and the box body 1.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Example (b): as can be seen from the attached figures 1-4 of the specification, when in use, the gas detection head 5, the alarm lamp 10, the buzzer 11, the controller 12 and the blower 7 are respectively communicated with the controller 12 and an external power supply through leads, the other end of the extension hose 9 is extended to the outside of a room, the installation position of the gas detection head 5 is determined according to the density comparison between the gas to be monitored and the air, when the density of the gas to be monitored is higher than that of the air, the gas detection head 5 is installed on the lower installation sleeve 4, the gas in the room can be monitored through the gas detection head 5, when the gas leaks, the gas detection head 5 transmits a detected signal into the controller 12 through leads, when the detected value is higher than a set alarm value, the controller 12 controls the alarm lamp 10 and the buzzer 11 to send out optical signals and sound signals to give an alarm to workers, the blower 7 is powered on, and air is blown into the box body 1 through the blower 7, so that the gas in the box body 1 can pass through the exhaust pipe 8 and the extension hose 9 discharge to dilute the interior gas of box 1, prevent the explosion on fire, can seal first gas pocket 16 through the dead weight through the baffle 17 that is equipped with when air-blower 7 does not work, prevent that the outside gas from flowing back to box 1 in through outlet duct 8, reduce the accuracy that gas detection head 5 detected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Claims (7)

1. The combustible gas detection control cabinet with the explosion-proof function comprises a box body (1), wherein a gas pipe (2) is installed in the box body (1), and is characterized in that an upper installation sleeve (3) is fixedly connected to the upper side of a side wall in the box body (1), a gas detection head (5) is installed on the upper installation sleeve (3), a lower installation sleeve (4) with the same structure as the upper installation sleeve (3) is fixedly connected to the lower side of the other side wall of the box body (1), an air inlet pipe (6) is communicated to the lower side of the other side wall of the box body (1), the air inlet pipe (6) is communicated with an air blower (7), an air outlet pipe (8) is communicated to the upper wall of the box body (1), an extension hose (9) is communicated to the air outlet pipe (8), an alarm lamp (10), a buzzer (11) and a controller (12) are fixedly connected to the upper wall of the box body (1) in sequence on one side of the air outlet pipe (8), a pair of box doors (13) is installed on the front wall of the box body (1), and a one-way air outlet structure is arranged at the inlet end of the air outlet pipe (8).

2. The combustible gas detection control cabinet with the explosion-proof function according to claim 1, wherein the one-way air outlet structure comprises an installation groove (15) fixedly connected to an inner side of an upper wall of the box body (1), a plurality of first air holes (16) are formed in a lower wall of the installation groove (15), a baffle (17) is movably installed in the installation groove (15), a plurality of second air holes (18) are formed in the baffle (17), and the plurality of first air holes (16) and the plurality of second air holes (18) are formed in a staggered manner.

3. The combustible gas detection control cabinet with the explosion-proof function of claim 2, characterized in that the mounting groove (15) is of a rectangular structure.

4. The combustible gas detection control cabinet with the explosion-proof function according to claim 1, characterized in that an air distribution plate (19) is fixedly connected between the lower mounting sleeve (4) and the air inlet pipe (6) in the box body (1), and a plurality of third air holes (20) are formed in the air distribution plate (19).

5. The combustible gas detection control cabinet with explosion-proof function according to claim 1, characterized in that a pair of the box doors (13) are provided with observation windows (14).

6. The combustible gas detection control cabinet with the explosion-proof function according to claim 1, characterized in that a ground wire (21) is installed below the outer wall surface of one side of the box body (1).

7. The combustible gas detection control cabinet with the explosion-proof function according to claim 1, characterized in that a sealing ring (22) is arranged at the joint of the gas pipe (2) and the box body (1).

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