CN220604144U - Gas alarm detection device - Google Patents

Abstract

The utility model discloses a gas alarm detection device, which comprises a portable box, a gas detection device and a round rod, wherein the round rod is arranged on the side surface of the portable box, and a gas storage tank is arranged in the portable box; the gas detection device comprises a sealing cover and an air pump, wherein the sealing cover is arranged at the end part of the round rod, a telescopic rod is arranged in the round rod, the movable end of the telescopic rod stretches into the sealing cover, a piston is arranged at the end part of the telescopic rod, and the piston is in sliding sealing connection with the sealing cover; the bottom of the sealing cover is provided with an air hole, and the top of the sealing cover is provided with a sealing component; the air pump is installed at the outer wall of the sealed cowling, and the air extraction end of the air pump is connected with the gas storage tank through the two-position four-way electromagnetic valve, and the exhaust end is connected with the sealed cowling through the two-position four-way electromagnetic valve. The utility model aims to solve the problems that the gas alarm detection device in the prior art is inconvenient to carry, and has complicated steps and poor overall practicability during use.

Description

Gas alarm detection device

Technical Field

The utility model relates to the technical field of gas detection, in particular to a gas alarm detection device.

Background

At present, civil buildings and commercial buildings mainly detect gas leakage through a gas alarm, but if the sensitivity of the gas alarm is poor or the gas alarm fails, explosion accidents can occur due to the gas leakage;

the application number is: CN202023274350.7, publication number: the utility model patent of CN213877004U (hereinafter referred to as "prior art 1") discloses a sensitivity detection device of a gas leakage alarm, which belongs to the field of gas alarms and comprises a workbench, wherein a gas storage tank is arranged on one side of the workbench, a gas collecting tank is arranged on the other side of the workbench, a first valve is arranged at the upper end of the gas storage tank, a gas inlet pipe is arranged at the upper end of the first valve, a gas outlet pipe is arranged at the upper end of the gas collecting tank, a detection box and a testing device are arranged at the upper end of the workbench, the detection box is positioned at the front end of the testing device, the gas inlet pipe is positioned on one side of the detection box, the gas outlet pipe is positioned on the other side of the detection box, and the gas alarm is arranged inside the detection box.

The specification of prior art 1 discloses a gas leakage alarm sensitivity detection device to detect the inside gas alarm of detection case through setting up the detection case to set up gas holder and gas-collecting tube in the both sides of detection case, but in practical application, the device can't let the staff carry to the process is complicated during the use, uses two gas-collecting tubes to release and retrieve the cost higher to the gas, and the practicality is relatively poor.

Disclosure of Invention

The utility model provides a gas alarm detection device, and aims to solve the problems of complicated steps and poor overall practicability of the gas alarm detection device in the prior art when the gas alarm detection device is used.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the gas alarm detection device comprises a portable box, a gas detection device and a round rod, wherein the round rod is used for being arranged on the side surface of the portable box, and a gas storage tank is arranged in the portable box;

the gas detection device comprises a sealing cover and an air pump, wherein the sealing cover is arranged at the end part of the round rod, a telescopic rod is arranged in the round rod, the movable end of the telescopic rod stretches into the sealing cover, a piston is arranged at the end part of the telescopic rod, and the piston is in sliding sealing connection with the sealing cover; the bottom of the sealing cover is provided with an air hole, and the top of the sealing cover is provided with a sealing component; the air pump is installed at the outer wall of the sealed cowling, and the air extraction end of the air pump is connected with the gas storage tank through the two-position four-way electromagnetic valve, and the exhaust end is connected with the sealed cowling through the two-position four-way electromagnetic valve.

Further, the two-position four-way electromagnetic valve is connected with the fuel gas storage tank and the sealing cover through the gas pipe.

Further, a winding wheel is arranged at the top of the portable case, and the air pipe is used for being wound on the winding wheel.

Further, the sides of the portable case are provided with clamping jaws, and the round bar is used for being installed on the clamping jaws.

Further, a hand-held part is arranged on the round rod.

Further, the bottom of the gas storage tank is provided with an opening, and a telescopic cylinder is arranged at the opening and is in sealing connection with the gas storage tank to form an integrated structure.

Further, a pair of shoulder straps are arranged on the portable case.

Further, the round rod end is provided with the mounting groove, the telescopic link sets up in the mounting groove inside.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model mainly comprises a portable box, a gas detection device and a round rod, wherein the round rod is arranged on the side surface of the portable box, and a gas storage tank is arranged in the portable box; in actual use, the staff can fix the pole in one side of portable case, carries the portable case wholly, and the staff can carry the detection case to each gas alarm below that needs inspection to detect gas alarm's sensitivity. During detection, the staff is required to take down the round bar from the portable box, and handheld round bar is high to lift, detain the sealed cowling around the gas alarm on roof, seal assembly seals the sealed cowling, then start the air pump, the air pump is taken out the gas in the gas storage tank, enter into the sealed cowling through two-position four-way solenoid valve again from the bleed end of air pump after two-position four-way solenoid valve, at this moment, because the inside atmospheric pressure increase of sealed cowling, the atmospheric pressure moves the piston and slides to the direction of telescopic link in the sealed cowling, and then make the inside volume of sealed barrel grow, make sealed cowling can take up the gas, after detecting, adjust the station of two-position four-way solenoid valve, start the air pump again, the bleed end of air pump is taken out the gas in the sealed cowling, retrieve the gas storage tank after two-position four-way solenoid valve, in this process, because the inside gas of sealed cowling is retrieved, receive negative pressure effect piston to keeping away from the direction of telescopic link in this, so that absorb unnecessary gas, after opening the sealed cowling, only have few partial gas to leak, the gas, the great part is just carried out, the gas can take place the gas has been carried out the gas in the very little, the very little time of the device is just can be had the advantage to the alarm has just detected the gas has been carried out the high-efficient detector, can only to realize the alarm has been detected the device to the fact has just detected the gas has been detected to the device to have the high performance to the detector to have just has just detected the alarm.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic diagram of the present utility model discharging fuel gas into a sealed enclosure.

FIG. 3 is a schematic diagram of the present utility model for recycling fuel gas to a fuel gas storage tank.

Fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.

In the figure, 101-portable case, 102-round rod, 103-gas storage tank, 104-sealing cover, 105-air pump, 106-telescopic rod, 107-piston, 108-air hole, 109-two-position four-way solenoid valve, 110-air pipe, 111-reel, 112-clamping jaw, 113-hand-holding part, 114-telescopic cylinder, 115-double shoulder strap, 116-mounting groove, 117-annular sealing groove, 118-spring and 119-sealing ring.

Detailed Description

The present utility model is further described below in conjunction with embodiments, which are merely some, but not all embodiments of the present utility model. Based on the embodiments of the present utility model, other embodiments that may be used by those of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1-3, the present embodiment discloses a gas alarm detection device, which includes a portable case 101, a gas detection device, and a round rod 102, wherein the round rod 102 is used for being mounted on a side surface of the portable case 101, and a gas storage tank 103 is mounted inside the portable case 101;

the gas detection device comprises a sealing cover 104 and an air pump 105, wherein the sealing cover 104 is arranged at the end part of a round rod 102, a telescopic rod 106 is arranged in the round rod 102, the movable end of the telescopic rod 106 stretches into the sealing cover 104, a piston 107 is arranged at the end part of the telescopic rod 106, and the piston 107 is in sliding sealing connection with the sealing cover 104; the bottom of the sealing cover 104 is provided with an air hole 108, and the top of the sealing cover 104 is provided with a sealing component; the air pump 105 is arranged on the outer wall of the sealing cover 104, the air extraction end of the air pump 105 is connected with the fuel gas storage tank 103 through a two-position four-way electromagnetic valve 109, and the air extraction end is connected with the sealing cover 104 through the two-position four-way electromagnetic valve 109;

the utility model mainly comprises a portable case 101, a gas detection device and a round rod 102, wherein the round rod 102 is used for being arranged on the side surface of the portable case 101, and a gas storage tank 103 is arranged in the portable case 101; in actual use, the staff can fix the round bar 102 in one side of the portable case 101, carry the portable case 101 as a whole, and the staff can carry the detection case to the lower side of each gas alarm needing to be checked to detect the sensitivity of the gas alarm. During detection, a worker is required to take down the round rod 102 from the portable box 101, lift the round rod 102 by holding the round rod 102 in a hand, buckle the sealing cover 104 around the gas alarm on the roof, seal the sealing cover 104 by the sealing assembly, then start the air pump 105, the air pump 105 pumps the gas in the gas storage tank 103, the gas enters the sealing cover 104 again through the two-position four-way electromagnetic valve 109 from the pumping end of the air pump 105 after passing through the two-position four-way electromagnetic valve 109, at this time, the air pressure in the sealing cover 104 increases, the air pressure presses the piston 107 to slide in the sealing cover 104 towards the telescopic rod 106, so that the volume in the sealing barrel increases, the sealing barrel can hold the gas, after detection, the station of the two-position four-way electromagnetic valve 109 is adjusted, the air pump 105 is started again, the gas in the sealing cover 104 is pumped out by the pumping end of the air pump 105, the gas is recycled into the gas storage tank 103 after passing through the two-position four-way electromagnetic valve 109, in the process, because the gas in the sealing cover 104 is recycled, the gas pressure in the sealing cover 104 is reduced, the piston 107 moves in the direction away from the telescopic rod 106 in the sealing cover 104 under the action of negative pressure, so that redundant gas is absorbed, only a small part of the gas leaks after the sealing cover 104 is opened, and most of the gas is recycled.

In some embodiments, two-position four-way solenoid valve 109 is connected to gas storage tank 103 and seal cap 104 via gas line 110; in the actual use process, the two-position four-way solenoid valve 109 is in the prior art, the two-position four-way solenoid valve 109 has a port a, a port B, a port C and a port D, the number of the air pipes 110 is four, and the number of the air pipes 110 is respectively equal to the number of the air pipes 110A, the number of the air pipes 110B, the number of the air pipes 110C and the number of the air pipes 110D, the two ends of the air pipes 110A are respectively connected with the sealing cover 104 and the port a, the two ends of the air pipes 110B are respectively connected with the port C and the exhaust end of the air pump 105, the two ends of the air pipe 110C are respectively connected with the exhaust end of the air pump 105 and the port D, and the two ends of the air pipe 110D are respectively connected with the port B and the gas storage tank 103.

In some embodiments, the top of the portable case 101 is provided with a winding wheel 111, the air pipe 110 is used for winding on the winding wheel 111, in the actual use process, in order to facilitate carding of the air pipe 110, the air pipe 110 is wound on the winding wheel 111 after the winding wheel 111 is arranged, when the round rod 102 is lifted up, the air pipe 110 pulls the winding wheel 111 to rotate, and thus, the advantage of the arrangement is that the air pipe 110 can be carded, and the air pipe 110 is prevented from being wound too long.

In some embodiments, the sides of the portable case 101 are provided with clamping jaws 112, and the round bar 102 is configured to be mounted on the clamping jaws 112, and the purpose of the clamping jaws 112 is to facilitate clamping of the round bar 102 and storage of the round bar 102.

In some embodiments, the round bar 102 is provided with a hand-held portion 113, and the purpose of the hand-held portion 113 is to facilitate the handling of the round bar 102 by a worker.

In some embodiments, the bottom of the gas storage tank 103 is opened, the opening position is provided with a telescopic cylinder 114, the telescopic cylinder 114 and the gas storage tank 103 are in sealing connection to form an integrated structure, in the practical use process, when the gas is pumped out from the inside of the gas storage tank 103, the telescopic cylinder 114 is contracted, the whole volume of the integrated structure is reduced, when the gas is recovered from the inside of the gas storage tank 103, the air pressure inside the integrated structure is increased, the telescopic cylinder 114 is extended, the volume inside the gas storage tank 103 is increased, and the benefit of the arrangement is that the air pressure inside the integrated structure is balanced so as to prevent the deformation of the gas storage tank 103.

In some embodiments, the two shoulder straps 115 are provided on the portable case 101, and the purpose of the two shoulder straps 115 is to facilitate the carrying of the portable case 101 by a worker, and when the sensitivity of the gas alarm is detected, the worker carries the portable case 101 back to the back and holds the round bar 102 to detect the sensitivity of the gas alarm.

In some embodiments, the end of the round bar 102 is provided with a mounting groove 116, the telescopic bar 106 is disposed inside the mounting groove 116, and the purpose of the mounting groove 116 is to facilitate the mounting of the telescopic bar 106, which has the advantage of facilitating the regular maintenance and repair of the telescopic bar 106.

It should be noted that, in this embodiment, when the piston 107 is pushed to approach the gas alarm, a small amount of air inside the seal cover 104 enters the gas storage tank 103 together with the gas, so that the solubility of the gas inside the gas storage tank 103 becomes low, and a worker installs a gas detector on the gas storage tank 103, which is the prior art, and is mainly used for detecting the density of the gas, and when the density of the gas in the gas storage tank 103 is insufficient to support the gas alarm for alarming, the worker only needs to replace the gas storage tank 103.

Example two

Referring to fig. 1-4, this embodiment is further optimized based on the first embodiment, in this embodiment, the seal assembly includes an annular seal groove 117 disposed on the seal cover 104, a plurality of springs 118 are disposed inside the annular seal groove 117, one ends of the plurality of springs 118 are connected to the bottoms of the seal grooves, and the other ends are connected to seal rings 119.

In actual use, when the worker covers the gas alarm by the seal cover 104, the seal ring 119 is first in contact with the roof on which the gas alarm is mounted, and as the seal cover 104 is slowly lifted, the seal ring 119 compresses the spring 118 and slides inside the annular seal groove 117, and finally the seal ring 119 seals the seal cover 104.

The advantage of setting like this is that can reduce leaking of gas, guarantees the inside concentration of gas of sealed cowling 104, and then makes the effect that detects gas alarm sensitivity better.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a gas alarm detection device, includes portable case (101) and round bar (102), and round bar (102) are used for installing in the side of portable case (101), and portable case (101) internally mounted has gas storage tank (103), its characterized in that: the device also comprises a gas detection device;

the gas detection device comprises a sealing cover (104) and an air pump (105), wherein the sealing cover (104) is arranged at the end part of a round rod (102), a telescopic rod (106) is arranged in the round rod (102), the movable end of the telescopic rod (106) stretches into the sealing cover (104), a piston (107) is arranged at the end part of the telescopic rod (106), and the piston (107) is in sliding sealing connection with the sealing cover (104); the bottom of the sealing cover (104) is provided with an air hole (108), and the top of the sealing cover (104) is provided with a sealing component; the air pump (105) is arranged on the outer wall of the sealing cover (104), the air extraction end of the air pump (105) is connected with the fuel gas storage tank (103) through the two-position four-way electromagnetic valve (109), and the air exhaust end is connected with the sealing cover (104) through the two-position four-way electromagnetic valve (109).

2. The gas alarm detection device according to claim 1, wherein: the two-position four-way electromagnetic valve (109) is connected with the fuel gas storage tank (103) and the sealing cover (104) through a gas pipe (110).

3. A gas alarm detection apparatus according to claim 2, wherein: the top of the portable case (101) is provided with a winding wheel (111), and the air pipe (110) is used for winding on the winding wheel (111).

4. The gas alarm detection device according to claim 1, wherein: the side of the portable case (101) is provided with a clamping jaw (112), and the round rod (102) is used for being installed on the clamping jaw (112).

5. The gas alarm detection device according to claim 1, wherein: the round bar (102) is provided with a hand-held part (113).

6. The gas alarm detection device according to claim 1, wherein: the bottom of the gas storage tank (103) is provided with an opening, a telescopic cylinder (114) is arranged at the opening, and the telescopic cylinder (114) and the gas storage tank (103) are in sealing connection to form an integrated structure.

7. The gas alarm detection device according to claim 1, wherein: the portable case (101) is provided with a pair of shoulder straps (115).

8. The gas alarm detection device according to claim 1, wherein: the end of the round rod (102) is provided with a mounting groove (116), and the telescopic rod (106) is arranged inside the mounting groove (116).