CN220290297U - Detachable combustible gas alarm - Google Patents

Detachable combustible gas alarm Download PDF

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Publication number
CN220290297U
CN220290297U CN202321577027.8U CN202321577027U CN220290297U CN 220290297 U CN220290297 U CN 220290297U CN 202321577027 U CN202321577027 U CN 202321577027U CN 220290297 U CN220290297 U CN 220290297U
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China
Prior art keywords
alarm
locking
rod
air inlet
detachable
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CN202321577027.8U
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Chinese (zh)
Inventor
梁盛游
黄鹏
付阳
孙腾腾
马涌军
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Jinan Benan Technology Development Co ltd
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Jinan Benan Technology Development Co ltd
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Abstract

The application relates to the field of combustible gas detection, discloses a detachable combustible gas alarm, and it includes alarm casing, gas sensor and shield, gas sensor connects inside the alarm casing, the intercommunication has the intake pipe on the alarm casing, the shield can be dismantled and be connected in the intake pipe, fixedly connected with filter screen on the shield. The application has the effect of being stained with on the gas alarm and attaching impurity clearance convenience.

Description

Detachable combustible gas alarm
Technical Field
The application relates to the field of combustible gas detection, in particular to a detachable combustible gas alarm.
Background
The combustible gas alarm is a gas leakage detection alarm instrument. When the combustible gas leaks in the industrial environment, the combustible gas alarm detects that the gas concentration reaches the critical point set by the explosion or poisoning alarm, the combustible gas alarm can send out an alarm signal, so that workers are timely reminded to take safety measures.
At present, the Chinese patent of the utility model with the bulletin number of CN208422071U discloses a combustible gas detection alarm, which comprises a main shell, cable wire inlet holes are formed in two symmetrical side surfaces of the main shell, a display screen is arranged on the main shell, warning lamps are arranged on two sides of the upper end of the display screen, warning sound outlets are arranged on two sides of the lower end of the display screen, a sensor is arranged on the lower side of the main shell, an air chamber is arranged at the lower end of the sensor, and the sensor and the air chamber are integrally arranged.
Aiming at the related technology, the inventor finds that in the use process of the combustible gas detector, when the environment is damp, impurities such as large particle dust and the like existing in the air are easy to be adhered to the air holes, the air holes are easy to be plugged after long-term accumulation, and the air holes are arranged on the air chamber integrally formed with the sensor, so that the cleaning of the air holes is difficult,
disclosure of Invention
In order to alleviate the problem that the gas pocket clearance on the gas alarm is comparatively difficult, this application provides a detachable combustible gas alarm.
The application provides a detachable combustible gas alarm adopts following technical scheme:
the utility model provides a detachable combustible gas alarm, includes alarm casing, gas sensor and shield, gas sensor connects inside the alarm casing, the intercommunication has the intake pipe on the alarm casing, the shield can be dismantled and be connected in the intake pipe, fixedly connected with filter screen on the shield.
Through adopting above-mentioned technical scheme, can dismantle the shield and connect in the intake pipe, in gas alarm use, gas can get into inside the gas alarm through the filter screen, when being stained with too much impurity on the filter screen, the staff can the shield dismantle from the intake pipe, then clear up the impurity on the shield, improves the convenience of being stained with the clearance of attaching impurity on the gas alarm.
Preferably, a fan is arranged in the air inlet pipe, and the fan supplies air towards the direction of the filter screen.
Through adopting above-mentioned technical scheme, set up the fan in the intake pipe, regular control fan starts, can make the fan outwards blow down with the impurity that is stained with on the filter screen, reduces the volume of the impurity that is stained with on the filter screen, and then reduces the regular clearance frequency of shield.
Preferably, two air inlet pipes are arranged, each air inlet pipe is detachably connected with a dust cover, and each air inlet pipe is internally provided with a fan.
Through adopting above-mentioned technical scheme, utilize the setting of two intake pipes, when gas alarm uses, the air input of gas alarm that can increase, the gaseous in the gas alarm can flow through two intake pipes simultaneously, improves the mobility of gaseous in the gas alarm.
Preferably, one of the air inlet pipes is rotationally connected with a rotating ring, the fan is fixedly connected to the rotating ring, an adjusting assembly is arranged on the air inlet pipe and connected with the rotating ring to drive the rotating ring to turn over, and the air inlet pipe is detachably connected with a vent pipe.
Through adopting above-mentioned technical scheme, set up the breather pipe in the intake pipe, the staff is when maintaining the inspection to the gas alarm, through adjusting part upset fan, then place the air inlet of breather pipe near the combustible gas air supply after, start the fan, can extract the combustible gas near the air supply, make the combustible gas get into in the gas alarm rapidly to can detect the sensitivity of gas sensor in the gas alarm, realize the short-term test to the gas alarm sensitivity.
Preferably, the adjusting component comprises a rotating rod, a sliding rod, a second spring and a clamping rod, wherein the rotating rod is rotationally connected to the air inlet pipe, the rotating rod is fixedly connected with the rotating ring, the sliding rod penetrates through the rotating rod and is in sliding connection with the rotating rod, the second spring is arranged between the rotating rod and the sliding rod, the second spring pulls the sliding rod to be inserted into the rotating rod, the clamping rod is vertically and fixedly connected to the sliding rod, and a clamping groove is formed in the air inlet pipe.
By adopting the technical scheme, the clamping rod is clamped in the clamping groove under the pulling of the second spring, so that the stability of the rotating rod is ensured, and the normal use of the fan is ensured; when the gas alarm needs to be detected, the clamping rod is pulled out of the clamping groove, then the clamping rod is rotated, the rotating rod can be driven to rotate through the clamping rod, so that the fan can be overturned, after the fan overturns 180 degrees, the clamping rod is loosened, the clamping rod can be inserted into the clamping groove again under the pulling of the second spring, and the stability of the fan in use is guaranteed.
Preferably, the vent pipe is connected with a bolt in a threaded manner, and the air inlet pipe is provided with a threaded hole matched with the bolt.
Through adopting above-mentioned technical scheme, establish the outside at the intake pipe with the breather pipe cover, then twist the bolt, screw the bolt into the screw hole of intake pipe in, can realize the fixed of breather pipe, improve breather pipe installation and the convenience of dismantling.
Preferably, the alarm shell is provided with an opening, a top cover for closing the opening of the alarm shell is connected to the alarm shell in a threaded manner, and the gas sensor is detachably connected inside the alarm shell.
Through adopting above-mentioned technical scheme, with top cap threaded connection on the alarm casing, when gas sensor breaks down, the staff can open the top cap, then dismantles down gas sensor that breaks down, then directly changes new gas sensor and can realize the maintenance to gas alarm, improves the convenience of gas alarm maintenance.
Preferably, the alarm shell is provided with a locking mechanism, the locking mechanism comprises a locking seat and a fixing frame, the locking seat is fixedly connected in the alarm shell, the fixing frame is inserted into the locking seat, and the fixing frame locks the gas sensor on the locking seat.
By adopting the technical scheme, when the gas sensor is replaced, the gas sensor is placed on the locking seat, then the fixing frame cover is arranged on the outer side of the gas sensor, and the fixing frame is spliced on the locking seat, so that the gas sensor can be fixed; when the gas sensor needs to be replaced, the fixing frame is pulled out of the locking seat, and the gas sensor can be taken down from the alarm shell.
Preferably, the locking seat is provided with a locking assembly, the locking assembly comprises a locking rod and a first spring, the locking rod is slidably connected to the locking seat, the fixing frame is provided with a locking hole, the first spring is arranged between the locking rod and the locking seat, and when the fixing frame is inserted to the locking seat, the locking rod is inserted into the locking hole under the pulling of the first spring.
Through adopting above-mentioned technical scheme, insert the mount on the locking seat, loosen the locking lever, can make the locking lever insert the locking hole that the mount offered under the pulling of first spring in, guarantee the stability of mount to gas sensor locking, when need changing the gas sensor of damage, take out the locking lever from the locking hole, then follow the dismantlement of locking seat with the mount again, can realize the dismantlement to gas sensor.
In summary, the present application at least includes the following beneficial technical effects:
1. through can dismantle the shield and connect in the intake pipe, in the gas alarm use, gas can get into inside the gas alarm through the filter screen, when being stained with too much impurity on the filter screen, staff can the shield dismantle from the intake pipe, then clear up the impurity on the shield, improve the convenience of stained with impurity clearance on the gas alarm;
2. the air inlet pipe is internally provided with the fan, and the fan is controlled to be started periodically, so that the fan can blow out impurities attached to the filter screen, the amount of the impurities attached to the filter screen is reduced, and the periodic cleaning frequency of the dust cover is further reduced;
3. through setting up the fan in one of them intake pipe on the swivel becket, when maintaining the inspection to the gas alarm, utilize adjusting part upset fan to place the air inlet of breather pipe near the combustible gas air supply, then start the fan, can extract the combustible gas near the air supply, make the combustible gas get into in the gas alarm rapidly, thereby can detect the sensitivity of gas sensor in the gas alarm, realize the short-term test to the gas alarm sensitivity.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;
FIG. 2 is a schematic view of the structure of the clamping mechanism in embodiment 1 of the present application;
fig. 3 is a schematic cross-sectional structure of an intake pipe in embodiment 1 of the present application;
FIG. 4 is a schematic overall structure of embodiment 2 of the present application;
FIG. 5 is a schematic view of the structure of a fan in embodiment 2 of the present application;
fig. 6 is a schematic cross-sectional structure of an intake pipe in embodiment 2 of the present application;
fig. 7 is a schematic structural view of the locking assembly in embodiment 2 of the present application.
Reference numerals: 100. an alarm housing; 110. a top cover; 200. a gas sensor; 300. an air inlet pipe; 400. a dust cover; 410. a filter screen; 500. a blower; 510. a rotating ring; 520. an adjustment assembly; 521. a rotating lever; 522. a sliding rod; 523. a second spring; 524. a clamping rod; 525. a clamping groove; 600. a locking mechanism; 610. a locking seat; 620. a fixing frame; 630. a locking assembly; 631. a locking lever; 632. a first spring; 700. a vent pipe; 710. and (5) a bolt.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
The embodiment of the application discloses a detachable combustible gas alarm.
Example 1
Referring to fig. 1 and 2, a detachable combustible gas alarm includes an alarm housing 100, and a gas sensor 200 is installed in the alarm housing 100, and the gas sensor 200 is used for detecting and recognizing combustible gas. A control main board is installed in the alarm housing 100, and the gas sensor 200 is electrically connected to the control main board. Two air inlet pipes 300 are fixedly connected to the alarm shell 100, the two air inlet pipes 300 are communicated with the inside of the alarm shell 100, one end, far away from the alarm shell 100, of each air inlet pipe 300 is connected with a dust cover 400 in a threaded mode, and a filter screen 410 is fixedly connected to the dust cover 400. When the gas alarm is used, gas can enter the gas alarm through the gas inlet pipe 300, the gas can be used for detecting and alarming the combustible gas at any time, impurities in the air can be blocked by the aid of the arrangement of the filter screen 410 on the dust cover 400, the possibility that excessive impurities enter the gas alarm to affect the identification accuracy of the gas sensor 200 is reduced, after the excessive impurities are attached to the filter screen 410, workers can detach the dust cover 400 from the alarm shell 100, then the impurities on the dust cover 400 are cleaned, and the convenience of cleaning the attached impurities on the gas alarm is improved.
Referring to fig. 2, in order to reduce the frequency of cleaning the filter screen 410, a fan 500 is fixedly connected to each air inlet pipe 300, and the fan 500 faces the filter screen 410 of the dust cap 400. In the use process of the gas alarm, the fan 500 is controlled to be started periodically, so that the impurity attached to the filter screen 410 can be blown off by the fan 500, and the amount of the impurity attached to the filter screen 410 is reduced, and the cleaning frequency of the dust cover 400 is reduced.
Referring to fig. 2 and 3, the gas sensor 200 is a main component of the gas alarm for detecting and identifying the flammable gas, and the gas sensor 200 and the gas alarm are generally integrally formed, when the gas sensor 200 fails, the gas alarm needs to be integrally replaced, so that the use cost of the gas alarm is high, in order to reduce the use cost of the gas alarm, the top end of the alarm housing 100 is provided with an opening, the alarm housing 100 is connected with a top cover 110 in a threaded manner, the top cover 110 is used for plugging the opening on the alarm housing 100, and a display screen is mounted on the top cover 110.
The gas sensor 200 is detachably connected inside the alarm shell 100, the locking mechanism 600 is installed in the alarm shell 100, the locking mechanism 600 comprises a locking seat 610 fixedly connected to the alarm shell 100, a placing groove is formed in the locking seat 610, the gas sensor 200 can be placed in the placing groove, a fixing frame 620 is inserted into the locking seat 610, the fixing frame 620 locks the gas sensor 200 on the locking seat 610, two groups of locking assemblies 630 are arranged on the locking seat 610, the two groups of locking assemblies 630 are respectively arranged at positions on two opposite sides of the locking seat 610, each group of locking assemblies 630 comprises a locking rod 631 penetrating through the locking seat 610, the locking rods 631 are slidably connected to the locking seat 610 in the length direction of the locking rods 631, a first spring 632 is sleeved outside the locking rods 631, one end of each first spring 632 is fixedly connected with the locking rods 631, the other end of each first spring 632 is fixedly connected with the locking seat 610, two locking holes are formed in the fixing frame 620, the two locking holes are formed in the fixing frame 620 in a one-to-one correspondence mode, and the locking rods 631 are inserted into the corresponding locking holes under the driving of the first springs 631. The gas sensor 200 is fixedly connected to the locking seat 610 by the fixing frame 620, and meanwhile, the locking rod 631 is inserted into the locking hole formed in the fixing frame 620 under the pulling of the first spring 632, so that the stability of locking the gas sensor 200 can be ensured; when the gas sensor 200 inside the gas alarm breaks down, the top cover 110 is unscrewed, then the locking rod 631 is pulled out from the locking hole, the fixing frame 620 is pulled out from the locking seat 610, the gas sensor 200 can be detached, then a new gas sensor 200 is directly replaced, the new gas sensor 200 is electrically connected with the control main board, the gas alarm can be maintained, and the convenience of maintenance of the gas alarm device is improved.
The implementation principle of the detachable combustible gas alarm provided by the embodiment of the application is as follows: through with shield 400 threaded connection on intake pipe 300, in the gas alarm use, utilize filter screen 410 to block the impurity in the air, reduce the impurity in the air and get into the inside possibility of gas alarm, utilize the setting of fan 500 in the intake pipe 300 simultaneously, can utilize fan 500 regularly to blow down the impurity that glues on the filter screen 410, and then reduce the volume of being stained with the impurity on the filter screen 410, reduce the clearance frequency of shield 400, when stained with the impurity on the filter screen 410 too much, the staff can dismantle shield 400 from alarm casing 100, then clear up the impurity on the shield 400, improve the convenience of being stained with the impurity clearance on the gas alarm.
Example 2
Referring to fig. 4 and 5, this embodiment is different from embodiment 1 in that a rotating ring 510 is rotatably connected to one of the air inlet pipes 300, the blower 500 is fixedly connected to the rotating ring 510, an adjusting assembly 520 is mounted on the air inlet pipe 300, and the adjusting assembly 520 is used for driving the rotating ring 510 to rotate so as to turn over the blower 500.
Referring to fig. 5, 6 and 7, the adjusting assembly 520 includes a rotating rod 521 penetrating through the air inlet pipe 300, the rotating rod 521 is fixedly connected with the rotating ring 510, the rotating rod 521 is rotatably connected to the air inlet pipe 300, a sliding rod 522 is penetrated at one end of the rotating rod 521, which is far away from the rotating ring 510, the sliding rod 522 has a rectangular cross section perpendicular to the length direction, a second spring 523 is installed inside the rotating rod 521, one end of the second spring 523 is fixedly connected with the rotating rod 521, the other end of the second spring 523 is fixedly connected with the sliding rod 522, the second spring 523 applies a force sliding towards the inside of the rotating rod 521 to the sliding rod 522, a clamping rod 524 is vertically and fixedly connected at one end of the sliding rod 522, which is far away from the rotating rod 521, a clamping groove 525 is formed in the air inlet pipe 300, the clamping groove 525 is adapted to the clamping rod 524, and the clamping rod 524 can be inserted into the clamping groove 525 formed in the air inlet pipe 300 under the pulling of the spring.
Referring to fig. 4, 6 and 7, the air pipe 700 is sleeved outside the air inlet pipe 300, a bolt 710 is screwed on the air pipe 700, a threaded hole matched with the bolt 710 is formed in the air inlet pipe 300, and the air pipe 700 is detachably connected to the air inlet pipe 300 through the cooperation of the bolt 710 and the threaded hole. In the use process of the gas alarm, in order to find out in time whether the gas alarm has a fault, the sensitivity of the gas sensor 200 in the gas alarm needs to be detected regularly; during the regular use process of the gas alarm, the fan 500 blows air outwards to clean impurities on the filter screen 410 regularly, when the gas alarm needs to be detected, the clamping rod 524 is pulled out of the clamping groove 525, then the clamping rod 524 is rotated to drive the rotating rod 521 to rotate, then the fan 500 is driven to turn over, meanwhile, an air inlet of the vent pipe 700 arranged on the air inlet pipe 300 is placed near a combustible gas source, the fan 500 is started, and the combustible gas near the gas source can be extracted, so that the combustible gas rapidly enters the gas alarm, and the quick detection of the sensitivity of the gas alarm is realized; after the detection is completed, the blower 500 is turned over again, and the vent pipe 700 is detached from the air inlet pipe 300, so that the normal operation of the gas sensor 200 can be ensured.
The implementation principle of the detachable combustible gas alarm provided by the embodiment of the application is as follows: through rotating fan 500 to connect on intake pipe 300, when the gas alarm is inspected to the needs, upset fan 500 makes fan 500 supply air to intake pipe 300 inside to communicate with the combustible gas air supply through breather pipe 700, then start fan 500, make the combustible gas can get into in the gas alarm rapidly, thereby can detect the sensitivity of gas sensor 200 in the gas alarm, realize the short-term test to the gas alarm sensitivity.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A detachable combustible gas alarm is characterized in that: including alarm casing (100), gas sensor (200) and shield (400), gas sensor (200) are connected inside alarm casing (100), the intercommunication has intake pipe (300) on alarm casing (100), shield (400) can be dismantled and connect on intake pipe (300), fixedly connected with filter screen (410) on shield (400).
2. A detachable combustible gas alarm according to claim 1 wherein: a fan (500) is arranged in the air inlet pipe (300), and the fan (500) supplies air towards the direction of the filter screen (410).
3. A detachable combustible gas alarm according to claim 2 wherein: two air inlet pipes (300) are arranged, a dust cover (400) is detachably connected to each air inlet pipe (300), and a fan (500) is arranged in each air inlet pipe (300).
4. A detachable combustible gas alarm according to claim 3 wherein: one of the air inlet pipes (300) is rotationally connected with a rotating ring (510), the fan (500) is fixedly connected to the rotating ring (510), an adjusting assembly (520) is arranged on the air inlet pipe (300), the adjusting assembly (520) is connected with the rotating ring (510) to drive the rotating ring (510) to overturn, and the air inlet pipe (300) is detachably connected with an air pipe (700).
5. A detachable combustible gas alarm according to claim 4 wherein: the adjusting component (520) comprises a rotating rod (521), a sliding rod (522), a second spring (523) and a clamping rod (524), wherein the rotating rod (521) is rotationally connected to the air inlet pipe (300), the rotating rod (521) is fixedly connected with the rotating ring (510), the sliding rod (522) is penetrated on the rotating rod (521), the sliding rod (522) is slidably connected with the rotating rod (521), the second spring (523) is arranged between the rotating rod (521) and the sliding rod (522), the sliding rod (522) is pulled by the second spring (523) to be inserted into the rotating rod (521), the clamping rod (524) is vertically and fixedly connected to the sliding rod (522), and a clamping groove (525) is formed in the air inlet pipe (300).
6. A detachable combustible gas alarm according to claim 5 wherein: the breather pipe (700) is connected with a bolt (710) in a threaded mode, and the air inlet pipe (300) is provided with a threaded hole matched with the bolt (710).
7. A detachable combustible gas alarm according to claim 1 wherein: the alarm shell (100) is arranged in an opening, a top cover (110) for closing the opening of the alarm shell (100) is connected to the alarm shell (100) in a threaded mode, and the gas sensor (200) is detachably connected to the inside of the alarm shell (100).
8. A detachable combustible gas alarm according to claim 7 wherein: the alarm device comprises an alarm device body (100), and is characterized in that a locking mechanism (600) is arranged on the alarm device body (100), the locking mechanism (600) comprises a locking seat (610) and a fixing frame (620), the locking seat (610) is fixedly connected in the alarm device body (100), the fixing frame (620) is inserted into the locking seat (610), and the fixing frame (620) locks the gas sensor (200) on the locking seat (610).
9. A detachable combustible gas alarm according to claim 8 wherein: the locking device is characterized in that a locking assembly (630) is arranged on the locking seat (610), the locking assembly (630) comprises a locking rod (631) and a first spring (632), the locking rod (631) is slidably connected to the locking seat (610), a locking hole is formed in the fixing frame (620), the first spring (632) is arranged between the locking rod (631) and the locking seat (610), and when the fixing frame (620) is inserted into the locking seat (610), the locking rod (631) is inserted into the locking hole under the pulling of the first spring (632).
CN202321577027.8U 2023-06-20 2023-06-20 Detachable combustible gas alarm Active CN220290297U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321577027.8U CN220290297U (en) 2023-06-20 2023-06-20 Detachable combustible gas alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321577027.8U CN220290297U (en) 2023-06-20 2023-06-20 Detachable combustible gas alarm

Publications (1)

Publication Number Publication Date
CN220290297U true CN220290297U (en) 2024-01-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321577027.8U Active CN220290297U (en) 2023-06-20 2023-06-20 Detachable combustible gas alarm

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117536714A (en) * 2024-01-10 2024-02-09 潍坊力创电子科技有限公司 Sleeve type air inlet device of internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117536714A (en) * 2024-01-10 2024-02-09 潍坊力创电子科技有限公司 Sleeve type air inlet device of internal combustion engine
CN117536714B (en) * 2024-01-10 2024-03-22 潍坊力创电子科技有限公司 Sleeve type air inlet device of internal combustion engine

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