CN211262874U - Regulation type gas leakage alarm for gas cylinder cabinet - Google Patents
Regulation type gas leakage alarm for gas cylinder cabinet Download PDFInfo
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- CN211262874U CN211262874U CN201921417785.7U CN201921417785U CN211262874U CN 211262874 U CN211262874 U CN 211262874U CN 201921417785 U CN201921417785 U CN 201921417785U CN 211262874 U CN211262874 U CN 211262874U
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- air inlet
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Abstract
The utility model provides a regulating gas leakage alarm for a gas cylinder cabinet, which comprises a cylinder body, a piston, a driving piece, a first sampling tube, a second sampling tube and a third sampling tube; the outer side of the cylinder body is provided with a buzzer, one end of the cylinder body, far away from the opening, is provided with a first air inlet, a second air inlet and a third air inlet, a first one-way air inlet valve, a second one-way air inlet valve and a third one-way air inlet valve are respectively arranged in the first air inlet, the second air inlet and the third air inlet, and the inner sides of the first one-way air inlet valve, the second one-way air inlet valve and the third one-way air inlet valve are respectively provided with a gas; the piston is provided with an air outlet, and a one-way air outlet valve is arranged in the air outlet; the first sampling tube, the second sampling tube and the third sampling tube are respectively connected with the first air inlet, the second air inlet and the third air inlet. The utility model discloses set up gas sensor in first air inlet, second air inlet, third air inlet, the air current gets into gas inlet back gas sensor and detects immediately, detects in time accurately.
Description
Technical Field
The utility model relates to a gas leakage alarm technical field especially relates to a gas cylinder cabinet is with regulation type gas leakage alarm.
Background
At present, some laboratories do not have a special gas cylinder chamber for placing gas cylinders, the gas cylinders are often placed in a simple cabinet or in a naked manner in the laboratory, and if gas leakage is not found in time, serious disastrous results can be caused. In order to find gas leakage in time, an alarm is usually installed in a gas cylinder cabinet, the currently used alarms are all point-type detection, namely, a detection individual only takes a sample from a space point or is installed at a certain fixed point of a protection space by a device and naturally flows to the detection point by air, and the alarm with the structure still has the defect of untimely leakage detection.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem who exists among the background art, the utility model provides a gas cylinder cabinet is with regulation type gas leakage alarm.
The utility model provides a regulating type gas leakage alarm for a gas cylinder cabinet, which comprises a cylinder body, a piston, a driving piece, a first sampling tube, a second sampling tube and a third sampling tube;
the cylinder is provided with a detection cavity with an opening at one end, the outer side of the cylinder is provided with a buzzer, the end, away from the opening, of the cylinder is provided with a first air inlet, a second air inlet and a third air inlet, the first air inlet, the second air inlet and the third air inlet are respectively arranged at the top, the bottom and the side part of the cylinder, a first one-way air inlet valve, a second one-way air inlet valve and a third one-way air inlet valve are respectively arranged in the first air inlet, the second air inlet and the third air inlet, and the inner sides of the first one-way air inlet valve, the second one-way air inlet valve and the third;
the piston is arranged in the detection cavity, the edge of the piston is connected with the inner wall of the cylinder in a sliding fit manner, an air outlet is formed in the piston, and a one-way air outlet valve is arranged in the air outlet; the driving piece is connected with the piston and is used for driving the piston to move along the axial direction of the cylinder;
first sampling tube, second sampling tube, third sampling tube are connected with first air inlet, second air inlet, third air inlet respectively, have a plurality of first thief holes along its axial interval arrangement on the first sampling tube, have a plurality of second thief holes along its axial interval arrangement on the second sampling tube, have a plurality of third thief holes along its axial interval arrangement on the third sampling tube.
Preferably, the driving piece includes driving motor, the drive wheel, first connecting rod and second connecting rod, and driving motor installs and is connected with the drive wheel transmission at detection intracavity wall and driving motor's output shaft, and first connecting rod one end is connected with the drive wheel off-centre and its other end is articulated with second connecting rod one end, and the second connecting rod is arranged along the barrel axial, and the second connecting rod other end passes behind the limiting plate of fixing at the barrel inner wall and piston fixed connection to the second connecting rod is connected with limiting plate clearance fit.
Preferably, first sampling tube includes first body, second body and first screwed pipe, and first body is connected with first air inlet, and first screwed pipe outer wall is equipped with external screw thread and first screwed pipe both ends respectively with first body, second body threaded connection, and first body, second body, first screwed pipe all have a plurality of first thief holes along its axial interval arrangement.
Preferably, the second sampling tube includes third body, fourth body and second screwed pipe, and the third body is connected with the second air inlet, and second screwed pipe outer wall is equipped with external screw thread and second screwed pipe both ends respectively with third body, fourth body threaded connection, and third body, fourth body, second screwed pipe all have a plurality of second sampling holes along its axial interval arrangement.
Preferably, the third sampling pipe includes fifth body, sixth body and third screwed pipe, and the fifth body is connected with the third air inlet, and third screwed pipe outer wall is equipped with external screw thread and third screwed pipe both ends respectively with fifth body, sixth body threaded connection, and fifth body, sixth body, third screwed pipe all have a plurality of third sampling holes along its axial interval arrangement.
The utility model provides a gas cylinder cabinet is with regulation type gas leakage alarm, alarm during operation, driving motor constantly drives the drive wheel and rotates, the drive wheel rotates and drives the second connecting rod through first connecting rod along barrel axial reciprocating motion, the second connecting rod drives piston reciprocating motion, piston moving makes the detection chamber keep away from opening one end and produces the negative pressure, external air current constantly from first sampling tube, the second sampling tube, the third sampling tube gets into and detects the intracavity and discharge from one-way air outlet valve, gas sensor detects whether contains the target gas to the air current that gets into, in case detect the target gas, gas sensor signals immediately, controller control bee calling organ starts the warning. The utility model discloses set up gas sensor in first air inlet, second air inlet, third air inlet, the air current gets into gas inlet back gas sensor and detects immediately, detects in time accurately.
Drawings
Fig. 1 is the utility model provides a structure schematic diagram of a regulation type gas leakage alarm for gas cylinder cabinet.
Detailed Description
Referring to fig. 1, the utility model provides a regulating type gas leakage alarm for gas cylinder cabinet, which comprises a cylinder body 1, a piston 2, a driving piece, a first sampling tube, a second sampling tube and a third sampling tube; wherein:
the barrel 1 is provided with a detection cavity 3 with an opening at one end, and the outer side of the barrel 1 is provided with a buzzer 4. The cylinder 1 is far away from its opening one end and is equipped with first air inlet 5, second air inlet 6, third air inlet 7, first air inlet 5, second air inlet 6, third air inlet 7 sets up respectively at the top of cylinder 1, the bottom, the lateral part, be equipped with first one-way admission valve 8 in first air inlet 5, second air inlet 6, the third air inlet 7 respectively, second one-way admission valve 9, third one-way admission valve 10, first one-way admission valve 8, second one-way admission valve 9, third one-way admission valve 10 inboard all is equipped with gas sensor 11.
The piston 2 is arranged in the detection cavity 3, the edge of the piston is connected with the inner wall of the cylinder 1 in a sliding fit mode, an air outlet 12 is formed in the piston 2, and a one-way air outlet valve 13 is arranged in the air outlet 12.
The driving piece is connected with the piston 2 and is used for driving the piston 2 to move axially along the cylinder 1; the driving piece includes driving motor, drive wheel 17, first connecting rod 18 and second connecting rod 19, driving motor installs and is connected with the drive wheel 17 transmission at 3 inner walls in detection chamber and driving motor's output shaft, 18 one ends of first connecting rod and 17 eccentric connections of drive wheel and its other end and 19 one end hinges of second connecting rod, 19 edge barrel 1 axial of second connecting rod are arranged, 19 other ends of second connecting rod pass fix behind the limiting plate 20 of barrel 1 inner wall with piston 2 fixed connection, and 19 and 20 clearance fit of limiting plate are connected of second connecting rod.
First sampling tube, second sampling tube, third sampling tube are connected with first air inlet 5, second air inlet 6, third air inlet 7 respectively, have a plurality of first thief holes 14 along its axial interval arrangement on the first sampling tube, have a plurality of second thief holes 15 along its axial interval arrangement on the second sampling tube, have a plurality of third thief holes 16 along its axial interval arrangement on the third sampling tube.
The utility model discloses alarm during operation, driving motor constantly drives drive wheel 17 and rotates, drive wheel 17 rotates and drives second connecting rod 19 along 1 axial reciprocating motion of barrel through first connecting rod 18, second connecting rod 19 drives 2 reciprocating motion of piston, 2 removal of piston make and detect chamber 3 and keep away from opening one end and produce the negative pressure, external air current constantly follows first sampling tube, the second sampling tube, the third sampling tube gets into and detects the intracavity 3 and discharge from one-way air outlet valve 13, gas sensor 11 detects whether contains the target gas to the air current that gets into, in case detect the target gas, gas sensor 11 signals immediately, controller control bee calling organ 4 starts the warning. The utility model discloses set up gas sensor 11 in first air inlet 5, second air inlet 6, third air inlet 7, gas flow gets into behind the air inlet gas sensor 11 and detects immediately, detects timely accurate.
In this embodiment, the first sampling tube includes a first tube 21, a second tube 22 and a first threaded tube 23, the first tube 21 is connected to the first air inlet 5, the outer wall of the first threaded tube 23 is provided with an external thread, two ends of the first threaded tube 23 are respectively in threaded connection with the first tube 21 and the second tube 22, and the first tube 21, the second tube 22 and the first threaded tube 23 are all provided with a plurality of first sampling holes 14 along the axial direction thereof at intervals. Through above design, can realize the flexible of first sampling tube, can adjust the length of first sampling tube according to actual installation place, convenient nimble.
In this embodiment, the second sampling tube includes a third tube 24, a fourth tube 25 and a second threaded tube 26, the third tube 24 is connected to the second air inlet 6, the outer wall of the second threaded tube 26 is provided with an external thread, two ends of the second threaded tube 26 are respectively in threaded connection with the third tube 24 and the fourth tube 25, and the third tube 24, the fourth tube 25 and the second threaded tube 26 are all provided with a plurality of second sampling holes 15 along the axial direction thereof at intervals. Through above design, can realize the flexible of second sampling tube, can adjust the length of second sampling tube according to actual installation place, convenient nimble.
In this embodiment, the third sampling tube includes a fifth tube 27, a sixth tube 28 and a third threaded tube 29, the fifth tube 27 is connected to the third air inlet 7, the outer wall of the third threaded tube 29 is provided with an external thread, two ends of the third threaded tube 29 are respectively in threaded connection with the fifth tube 27 and the sixth tube 28, and the fifth tube 27, the sixth tube 28 and the third threaded tube 29 are respectively provided with a plurality of third sampling holes 16 at intervals along the axial direction thereof. Through above design, can realize the flexible of third sampling tube, can adjust the length of third sampling tube according to actual installation place, convenient nimble.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A regulating type gas leakage alarm for a gas cylinder cabinet is characterized by comprising a cylinder body (1), a piston (2), a driving piece, a first sampling tube, a second sampling tube and a third sampling tube;
the cylinder (1) is provided with a detection cavity (3) with an opening at one end, a buzzer (4) is arranged on the outer side of the cylinder (1), one end, away from the opening, of the cylinder (1) is provided with a first air inlet (5), a second air inlet (6) and a third air inlet (7), the first air inlet (5), the second air inlet (6) and the third air inlet (7) are respectively arranged at the top, the bottom and the side of the cylinder (1), a first one-way air inlet valve (8), a second one-way air inlet valve (9) and a third one-way air inlet valve (10) are respectively arranged in the first air inlet (5), the second air inlet (6) and the third air inlet (7), and gas sensors (11) are respectively arranged on the inner sides of the first one-way air inlet valve (8), the second one-way air;
the piston (2) is arranged in the detection cavity (3), the edge of the piston is connected with the inner wall of the cylinder (1) in a sliding fit manner, an air outlet (12) is formed in the piston (2), and a one-way air outlet valve (13) is arranged in the air outlet (12); the driving piece is connected with the piston (2) and is used for driving the piston (2) to axially move along the cylinder (1);
first sampling tube, second sampling tube, third sampling tube are connected with first air inlet (5), second air inlet (6), third air inlet (7) respectively, have a plurality of first thief holes (14) along its axial interval arrangement on the first sampling tube, have a plurality of second thief holes (15) along its axial interval arrangement on the second sampling tube, have a plurality of third thief holes (16) along its axial interval arrangement on the third sampling tube.
2. The gas cylinder cabinet adjusting type gas leakage alarm according to claim 1, wherein the driving part comprises a driving motor, a driving wheel (17), a first connecting rod (18) and a second connecting rod (19), the driving motor is installed on the inner wall of the detection cavity (3), an output shaft of the driving motor is in transmission connection with the driving wheel (17), one end of the first connecting rod (18) is in eccentric connection with the driving wheel (17), the other end of the first connecting rod is hinged to one end of the second connecting rod (19), the second connecting rod (19) is axially arranged along the cylinder body (1), the other end of the second connecting rod (19) penetrates through a limiting plate (20) fixed on the inner wall of the cylinder body (1) and then is fixedly connected with the piston (2), and the second connecting rod (19) is movably matched with the limiting plate (20).
3. The gas cylinder cabinet adjusting type gas leakage alarm device according to claim 1, wherein the first sampling tube comprises a first tube body (21), a second tube body (22) and a first threaded tube (23), the first tube body (21) is connected with the first gas inlet (5), external threads are arranged on the outer wall of the first threaded tube (23), two ends of the first threaded tube (23) are respectively in threaded connection with the first tube body (21) and the second tube body (22), and the first tube body (21), the second tube body (22) and the first threaded tube (23) are respectively provided with a plurality of first sampling holes (14) at intervals along the axial direction of the first tube body (21), the second tube body (22) and the first threaded tube (23).
4. A regulating type gas leakage alarm for a gas cylinder cabinet according to any one of claims 1-3, characterized in that the second sampling tube comprises a third tube body (24), a fourth tube body (25) and a second threaded tube (26), the third tube body (24) is connected with the second gas inlet (6), the outer wall of the second threaded tube (26) is provided with external threads, two ends of the second threaded tube (26) are respectively in threaded connection with the third tube body (24) and the fourth tube body (25), and the third tube body (24), the fourth tube body (25) and the second threaded tube (26) are respectively provided with a plurality of second sampling holes (15) along the axial direction at intervals.
5. A regulating type gas leakage alarm for a gas cylinder cabinet according to any one of claims 1-3, characterized in that the third sampling tube comprises a fifth tube body (27), a sixth tube body (28) and a third threaded tube (29), the fifth tube body (27) is connected with the third gas inlet (7), the outer wall of the third threaded tube (29) is provided with external threads, both ends of the third threaded tube (29) are respectively in threaded connection with the fifth tube body (27) and the sixth tube body (28), and the fifth tube body (27), the sixth tube body (28) and the third threaded tube (29) are respectively provided with a plurality of third sampling holes (16) along the axial direction at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417785.7U CN211262874U (en) | 2019-08-28 | 2019-08-28 | Regulation type gas leakage alarm for gas cylinder cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417785.7U CN211262874U (en) | 2019-08-28 | 2019-08-28 | Regulation type gas leakage alarm for gas cylinder cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262874U true CN211262874U (en) | 2020-08-14 |
Family
ID=71961228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921417785.7U Expired - Fee Related CN211262874U (en) | 2019-08-28 | 2019-08-28 | Regulation type gas leakage alarm for gas cylinder cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262874U (en) |
-
2019
- 2019-08-28 CN CN201921417785.7U patent/CN211262874U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 Termination date: 20210828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |