CN212207291U - Gas leakage detection device for laboratory - Google Patents

Abstract

The utility model discloses a laboratory is with gaseous leakage detection device, including gaseous collection device, gaseous detection case, blast pipe, gaseous collection device includes the air exhauster, the pipe links to each other with the one end stationary phase of air exhauster, gaseous detection case includes the box, set up respectively with the switch of box shell top both sides, the pilot lamp, the buzzer siren of setting and box shell one side, set up in the power cord of one side that the air exhauster was kept away from to the box shell, the inside a plurality of gas sensor that is used for detecting gas that is provided with of box, the blast pipe setting is kept away from one side of air exhauster at gaseous detection case. The utility model discloses an air exhauster extraction is gaseous, then rotatory through gas sensor, makes its and the increase of gas contact area to detect gas, improved the device greatly to gaseous detection effect, avoid in time detecting the laboratory because of the contact is not enough and leak with gas, pilot lamp and buzzer siren report to the police simultaneously, improve the security performance.

Description

Gas leakage detection device for laboratory

Technical Field

The utility model relates to a gaseous detection area specifically is a gas leakage detection device is used in laboratory.

Background

The gas detector is an instrument tool for detecting gas leakage concentration, which comprises: portable gas detectors, hand-held gas detectors, stationary gas detectors, online gas detectors, and the like. Gas sensors are used to detect the types of gases present in the environment, gas sensors are sensors used to detect the composition and content of gases.

At present, when the gas detector detects gas, part of the gas is not effectively contacted with the gas sensor due to the fact that the gas is various, and therefore the gas detector may not detect the gas in time. Therefore, we improve this and propose a gas leakage detection device for laboratory.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a gas leakage detection device is used in laboratory, include

The gas collecting device comprises an exhaust fan and a guide pipe, and the guide pipe is fixedly connected with one end of the exhaust fan;

the gas detection box comprises a box body, a power switch, an indicator light, a buzzer alarm and a power line, wherein the power switch, the indicator light and the buzzer alarm are respectively arranged on two sides of the top end of a box body shell, the buzzer alarm is arranged on one side of the box body shell, the power line is arranged on one side, away from an exhaust fan, of the box body shell, a plurality of gas sensors for detecting gas are arranged inside the box body, a fixing frame is fixed at the top end of the inner cavity wall of the box body, and a fixing block is fixed at the bottom end of the inner cavity;

the exhaust pipe is arranged on one side, far away from the exhaust fan, of the gas detection box.

As a preferred technical scheme of the utility model, a plurality of gas sensor all fixes on the connecting rod separately, and a plurality of gas sensor is different models, a plurality of one side at same rotation rim plate is all evenly fixed to the connecting rod.

As a preferred technical scheme of the utility model, one side that gas sensor was kept away from to the rotary wheel dish is provided with first rotation pole, the side of first rotation pole is fixed with the separation blade, first rotation pole is located and is provided with the track between two separation blades.

As a preferred technical scheme of the utility model, the one end that gas sensor was kept away from to first pivot pole is fixed with the fixed block, the side of first pivot pole is fixed with the mount, and first pivot pole is provided with the bearing with fixed block, mount looks fixed department.

As a preferred technical scheme of the utility model, the other end of track is fixed with the second dwang, and the second dwang is provided with the separation blade the same with first dwang.

As a preferred technical scheme of the utility model, the one end of second dwang is fixed with the motor, the side bottom at the fixed block is fixed to the other end of motor.

As a preferred technical scheme of the utility model, the top of fixed block is fixed with the singlechip, gas sensor, pilot lamp, buzzing siren all with singlechip electric connection).

As an optimized technical scheme of the utility model, the side of blast pipe output is provided with the card post.

The utility model has the advantages that: this kind of laboratory is with gas leak testing device, gas extraction gets into gas testing device through DWT-1-8 air exhauster with the laboratory, drive the track motion through the motor, track motion drives the rotary wheel dish and rotates, thereby it rotates with it fixed gas sensor on the rotary wheel dish to drive, increase the area of contact between the gas of gas sensor and extraction, the accuracy of detection device to the gaseous detection in laboratory has been increased, power on the box can be when temporarily not using the while, avoid the device to work always and produce more consumption, produce the damage to the motor even, pilot lamp and bee calling organ can in time send out the warning when detecting that laboratory is with gas leak and exceeds standard, make people in time discover gas leak problem, improve the security performance of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a gas leakage detecting device for a laboratory according to the present invention;

FIG. 2 is a schematic structural diagram of a housing of a gas leakage detecting device for a laboratory according to the present invention;

fig. 3 is a schematic structural view of a rotary wheel disc of a gas leakage detection device for a laboratory according to the present invention;

FIG. 4 is a schematic structural diagram of an exhaust pipe of a gas leakage detecting device for a laboratory according to the present invention;

FIG. 5 is a schematic structural diagram of the device operation flow of the gas leakage detecting device for laboratory use according to the present invention;

in the figure: 1. a gas collection device; 2. an exhaust fan; 3. a conduit; 4. a gas detection box; 5. a box body; 6. a switch; 7. an indicator light; 8. a buzzer alarm; 9. a power line; 10. a gas sensor; 1001. a connecting rod; 1002. rotating the wheel disc; 1003. a first rotating lever; 1004. a baffle plate; 1005. a crawler belt; 1006. a second rotating lever; 1007. a motor; 11. a fixed mount; 12. a fixed block; 1201. a single chip microcomputer; 13. an exhaust pipe; 1301. and (5) clamping the column.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model relates to a gas leakage detection device is used in laboratory, include

The device comprises a gas collecting device 1, wherein the gas collecting device 1 comprises a DWT-1-8 exhaust fan 2 and a conduit 3, and the conduit 3 is fixedly connected with one end of the DWT-1-8 exhaust fan 2;

the gas detection box 4 comprises a box body 5, power switches 6 respectively arranged at two sides of the top end of the shell of the box body 5, an indicator light 7, a buzzer alarm 8 arranged at one side of the shell of the box body 5, and a power line 9 arranged at one side of the shell of the box body 5 far away from a DWT-1-8 exhaust fan 2, wherein a plurality of gas sensors 10 for detecting gas are arranged inside the box body 5, a fixing frame 11 is fixed at the top end of the inner cavity wall of the box body 5, and a fixing block 12 is fixed at the bottom end of the inner cavity wall of the box body 5;

and an exhaust pipe 13, wherein the exhaust pipe 13 is arranged on one side of the gas detection box 4 far away from the DWT-1-8 exhaust fan 2.

Wherein, a plurality of gas sensor 10 all fixes on connecting rod 1001 separately, and a plurality of gas sensor 10 is different models, and a plurality of connecting rod 1001 is all evenly fixed in one side of same carousel 1002 that rotates, and the gas sensor 10 of a plurality of different models can detect whether there is the leakage condition in the laboratory gas of multiple difference.

The side, far away from the gas sensor 10, of the rotating wheel disc 1002 is provided with a first rotating rod 1003, a blocking piece 1004 is fixed on the side face of the first rotating rod 1003, the first rotating rod 1003 is located between the two blocking pieces 1004 and is provided with a crawler 1005, the gas sensor 10 is driven to rotate through the crawler 1005 by the rotation of the motor 1007, the gas sensor 10 is convenient to better contact with gas brought in by the DWT-1-8 exhaust fan 2, and the sensitivity of the device is improved.

Wherein, the end of the first rotating rod 1003 far away from the gas sensor 10 is fixed with the fixed block 12, the side surface of the first rotating rod 1003 is fixed with the fixed frame 11, and the fixing positions of the first rotating rod 1003, the fixed block 12 and the fixed frame 11 are provided with bearings, the first rotating rod 1003 is fixed through the fixed frame 11 and the fixed block 12, and meanwhile, the first rotating rod 1003 is prevented from shaking due to the rotation of the rotating wheel disc 1002 or the motor 1007, and the stability of the device is enhanced.

Wherein, the other end of track 1005 is fixed with second dwang 1006, and second dwang 1006 is provided with the same separation blade 1004 with first dwang 1003, and separation blade 1004 carries out the screens to track 1005 when the motion, has avoided the skew position when the motion.

Wherein, the one end of second dwang 1006 is fixed with motor 1007, and the side bottom at fixed block 12 is fixed to the other end of motor 1007, drives swivel plate 1002 through motor 1007 and rotates, reduces manpower pivoted time, and the work efficiency of time device is higher, and fixed block 12 fixed motor 1007 avoids rocking of motor 1007 in the motion process simultaneously.

Wherein, the top of fixed block 12 is fixed with STM8S003F3P6 singlechip 1201, and gas sensor 10, pilot lamp 7, buzzing siren 8 all with STM8S003F3P6 singlechip 1201 electric connection, and STM8S003F3P6 singlechip 1201 handles the signal that gas sensor 10 transmitted to judge whether gas content exceeds standard, whether corresponding control pilot lamp 7, buzzing siren 8 work.

Wherein, the side of blast pipe 13 output is provided with card post 1301, and after detecting laboratory gas leakage, card post 1301 can fix the balloon, takes out remaining laboratory gas in the box 5.

The working principle is as follows: whether the device is normal is firstly checked, after the checking is finished, a power cord 9 is connected, a switch 6 is turned on, an exhaust fan 2 starts to work, gas is led into a box body 5 of a gas detection box 4 from a guide pipe 3, the gas is contacted with gas sensors 10 of different models, meanwhile, a motor 1007 is started, a second rotating rod 1006 is driven to rotate, the second rotating rod 1006 is driven to rotate through a crawler 1005 and a first rotating rod 1003, so that a rotating wheel disc 1002 is driven, the gas sensors 10 fixed on the rotating wheel disc 1002 through a connecting rod 1001 rotate, the contact chance between the gas sensors 10 and extracted gas is increased, the detection sensitivity of the device is increased, when the gas sensors 10 detect that laboratory leaked gas exists in the extracted gas, the gas sensors 10 transmit signals to a single chip microcomputer 1201. Singlechip 1201 control pilot lamp 7 and buzzer siren 8 send out the police dispatch newspaper, remind people to have the laboratory gas leakage, and the gas that has detected is discharged through blast pipe 13, if contain the laboratory gas leakage in the gas, can be through the fixed balloon of calorie post 1301, collect gas, avoid air pollution.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a gas leak testing device is used in laboratory which characterized in that: the method comprises the following steps:

the device comprises a gas collecting device (1), wherein the gas collecting device (1) comprises an exhaust fan (2) and a guide pipe (3), and the guide pipe (3) is fixedly connected with one end of the exhaust fan (2);

the gas detection box (4), the gas detection box (4) include the box (5), set up and box (5) power switch (6) of both sides of outer shell top respectively, pilot lamp (7), set up and box (5) buzzing alarm (8) of shell one side, set up in box (5) shell keep away from the power cord (9) of one side of the air exhauster (2), there are several gas sensors (10) used for detecting the gas in the inside of box (5), the top of the inner chamber wall of the box (5) is fixed with the mount (11), the bottom of the inner chamber wall of the box (5) is fixed with the fixed block (12);

the exhaust pipe (13), the exhaust pipe (13) sets up in one side that the exhaust fan (2) is kept away from in gas detection case (4).

2. A laboratory gas leak detection apparatus according to claim 1, wherein:

the gas sensors (10) are respectively fixed on the connecting rod (1001), the gas sensors (10) are of different models, and the connecting rod (1001) is uniformly fixed on one side of the same rotating wheel disc (1002).

3. A laboratory gas leak detection apparatus according to claim 2, wherein:

one side, far away from the gas sensor (10), of the rotating wheel disc (1002) is provided with a first rotating rod (1003), the side face of the first rotating rod (1003) is fixedly provided with a blocking piece (1004), and a crawler belt (1005) is arranged between the two blocking pieces (1004) of the first rotating rod (1003).

4. A laboratory gas leak detection apparatus according to claim 3, wherein:

one end, far away from the gas sensor (10), of the first rotating rod (1003) is fixed to the fixing block (12), the side face of the first rotating rod (1003) is fixed to the fixing frame (11), and bearings are arranged at the fixing positions of the first rotating rod (1003), the fixing block (12) and the fixing frame (11).

5. The laboratory gas leak detection apparatus according to claim 4, wherein:

the other end of the crawler belt (1005) is fixed with a second rotating rod (1006), and the second rotating rod (1006) is provided with a blocking piece (1004) which is the same as the first rotating rod (1003).

6. The laboratory gas leak detection apparatus of claim 5, wherein:

and a motor (1007) is fixed at one end of the second rotating rod (1006), and the other end of the motor (1007) is fixed at the bottom end of the side surface of the fixed block (12).

7. A laboratory gas leak detection apparatus according to claim 1, wherein:

the top of fixed block (12) is fixed with singlechip (1201), gas sensor (10), pilot lamp (7), buzzing siren (8) all with singlechip (1201) electric connection.

8. A laboratory gas leak detection apparatus according to claim 1, wherein:

the side of the output end of the exhaust pipe (13) is provided with a clamping column (1301).

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