CN210571202U

CN210571202U - Smoke leakage detection device

Info

Publication number: CN210571202U
Application number: CN201921303636.8U
Authority: CN
Inventors: 郭明新; 唐智
Original assignee: Shenzhen Anyida Technology Co ltd
Current assignee: Shenzhen Anyida Technology Co ltd
Priority date: 2019-06-13
Filing date: 2019-08-09
Publication date: 2020-05-19
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to the field of maintenance equipment, in particular to a smoke leakage detection device, which comprises a smoke generating module, wherein the smoke generating module comprises a cylinder body, a smoke exhaust pipe, a heating wire, an oil immersion core and a smoke purification structure; the heating wire and the oil immersion core are arranged inside the cylinder body to generate smoke in the cylinder body; one end of the smoke exhaust pipe penetrates through the cylinder body and is communicated with the inside of the cylinder body, and the other end of the smoke exhaust pipe extends to the outside of the cylinder body so as to communicate the cylinder body with the outside, so that smoke is exhausted to the outside of the cylinder body; the smoke purification structure is connected to the smoke exhaust pipe and communicated with the smoke exhaust pipe, so that smoke purification through the smoke exhaust pipe is realized, the smoke purification structure is additionally arranged on the smoke exhaust pipeline, substances harmful to human bodies in most smoke are removed, and harm to the bodies of maintenance personnel is reduced.

Description

Smoke leakage detection device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a maintenance of equipment field, in particular to smog leak hunting device.

[ background of the invention ]

When some equipment such as an airplane, an automobile, a motorcycle, a ship or some other power device is repaired, the leakage of a pipeline is one of the most common faults, and the common systems needing to detect the pipeline comprise an oil supply system, an engine system, a cooling system, an air inlet system, an exhaust system, a turbocharging system, an EVAP system and the like;

the existing maintenance smoke leakage detection device for detection burns through a heating wire and a cotton core with oil, a large amount of smoke is generated inside a pipeline to be detected in a vehicle, the internal pressure of the pipeline to be detected in the vehicle increases along with the increase of the smoke, the smoke can emerge from a leakage point, the smoke is observed on the outer surface of the pipeline under a white light lamp, or soapy water is coated on the surface of the pipeline to be detected, and the position of the generated bubble is observed, so that the position of the leakage point is accurately and quickly known;

after the smoke leakage detection device enters a smoke vent on the smoke leakage detection device into a pipeline to be detected, maintenance personnel usually introduce smoke into an oil injection pipe of the smoke leakage detection device, a large amount of harmful gas and particles are generated under the characteristics of the smoke, and the long and past work can seriously affect the health of the maintenance personnel.

[ Utility model ] content

In order to overcome the problem, the utility model provides a smog leak hunting device.

The utility model discloses a solve above-mentioned technical problem, provide as follows with technical scheme: a smoke leakage detection device comprises a smoke generation module, wherein the smoke generation module comprises a cylinder body, a smoke exhaust pipe, a heating wire, an oil immersion core and a smoke purification structure; the heating wire and the oil immersion core are arranged inside the cylinder body to generate smoke in the cylinder body; one end of the smoke exhaust pipe penetrates through the cylinder body and is communicated with the inside of the cylinder body, and the other end of the smoke exhaust pipe extends to the outside of the cylinder body so as to communicate the cylinder body with the outside, so that smoke is exhausted to the outside of the cylinder body; the smoke purification structure is connected to the smoke exhaust pipe and communicated with the smoke exhaust pipe so as to purify smoke passing through the smoke exhaust pipe.

Preferably, the fume cleaning structure comprises a filter screen and a sealing sleeve, the filter screen being connected inside the sealing sleeve.

Preferably, the filter screen can be any one of or a combination of more than one of an activated carbon filter screen, a HEPA filter screen and a photocatalyst filter screen.

Preferably, the smoke leak detection device comprises an oil filling pipe, one end of the oil filling pipe extends out of the cylinder body, and the other end of the oil filling pipe penetrates through the cylinder body to be communicated with the oil immersion core.

Preferably, the heating wire is wound on the oil immersion core, or the oil immersion core is wound on the heating wire, and an external liquid medium is transmitted to the oil immersion core through the oil injection pipe, so that smoke is generated under the condition that the heating wire generates heat.

Preferably, the cylinder further comprises a shell, and the cylinder is arranged in the shell and fixedly connected to the inner wall of the shell; the uniform end of the smoke exhaust pipe and the oil injection pipe penetrates through the cylinder body and is communicated with the cylinder body, and the other end of the smoke exhaust pipe and the oil injection pipe extend to the outside of the shell, so that the cylinder body is communicated with the outside.

Preferably, further include the control module group, the control module group includes control panel and control circuit, and control panel locates the surface of shell, and control circuit is located inside the shell, control panel and control circuit electric connection, and control circuit and smog generation module electric connection simultaneously.

Preferably, the smoke generating module comprises an air pump, part of the air pump is exposed out of the surface of the cylinder body and is electrically connected with the control circuit, the other part of the air pump is communicated with the inside of the cylinder body, and the air pump is provided with a one-way valve facing the smoke exhaust pipe.

Preferably, the oil filling pipe is provided with a flow control valve for adjusting the flow and pressure transmitted by the external liquid medium, and the flow control valve is electrically connected with the control circuit.

Preferably, the control module further comprises a pressure controller electrically connected to the air pump, the pressure controller can preset a pressure rated value, and the pressure controller can control the pressure value output by the air pump so that the pressure output by the air pump does not exceed the pressure rated value.

Preferably, the pipe of discharging fume includes flexible head, kink and flexible glue pipe, and flexible glue pipe one end and cylinder body switch on mutually, and the one end that the cylinder body and kink were stretched out to one end is connected, and the one end of flexible glue pipe is connected to the other end of flexible glue pipe, and the part that the flexible glue pipe was kept away from to the other end of flexible glue pipe is the toper to put into in the interior pipeline that awaits measuring of car.

Compared with the prior art, the utility model provides a smog leak hunting device has following advantage:

1. a smoke purification structure is added on the smoke exhaust pipeline, so that most of smoke harmful to human bodies is removed, and harm to the bodies of maintenance personnel is reduced;

the heating wire and the oil immersion core are both arranged in a cylinder body, and the cylinder body only has a smoke exhaust pipe to exhaust smoke, so that smoke leakage is prevented.

2. The smoke purification structure is connected with the smoke exhaust pipe through a sealing sleeve so as to completely seal the smoke exhaust pipe and prevent smoke from leaking from other parts;

harmful substances in the smoke are removed through a filter screen in the sealing sleeve structure, the filter screen is a photocatalyst filter screen, and most of harmful gases and peculiar smells such as carbon monoxide, nitrogen oxides, hydrocarbon, aldehydes, benzene and the like in the smoke can be effectively removed.

3. The oil filling pipe is connected with the oil immersion core, and the source for generating smoke can be continuously provided for the oil immersion core by introducing an external liquid medium source.

4. The heating wire is wound on the oil immersion core or the oil immersion core is wound on the heating wire, so that the heating wire is fully contacted with the oil immersion core, and when the heating wire generates heat, a large amount of smoke can be generated

Or the heating wire is arranged in the containing cavity filled with external liquid medium, so as to generate smoke.

5. The air pump is arranged on the cylinder body and continuously compresses air in the cylinder body, so that smoke is extruded out of the cylinder body along the exhaust pipe.

6. The part of the smoke exhaust pipe extending out of the shell comprises three parts, namely a telescopic head, a bent part and a soft rubber pipe, wherein the telescopic head can adjust the use length of the smoke exhaust pipe, so that the smoke exhaust pipe is suitable for different working environments, such as severe environments with high temperature and high corrosion;

the telescopic head adopts a sleeve-embedded telescopic structure imitating a fishing rod, and the port of the telescopic head is smaller and smaller along with the extension of the telescopic head, so that the smoke emission is more concentrated, and the telescopic head can adapt to pipelines to be tested with different sizes;

the kink is the fold design, can realize the arbitrary direction of flexible head twist reverse and bend, has increased the holistic flexibility of tub of discharging fume, improves the convenience in the use, simultaneously, and the repetitive inside compression of user's accessible makes the inside air of kink compression, and manual speed that has accelerated smog and has discharged, or when the valve is bad to fall or the power failure, the manual blast air of can being convenient for.

The flexible rubber pipe is a soft rubber pipe, so that the smoke exhaust pipe has certain flexibility, and the smoke exhaust pipe can further rotate in any direction.

7. Be equipped with the accuse on the notes oil pipe and flow the valve, when introducing outside liquid medium toward the notes oil pipe, flow and pressure of adjustable outside liquid medium transmission to the absorption speed of control immersion oil core, thereby the speed that indirect control immersion oil core smog produced, the accuse is flowed the valve and can be controlled also manually operation by control circuit, avoids having a power failure or the circuit damages the interference that brings.

8. The smoke leakage detecting device comprises a shell, wherein the shell completely wraps a cylinder body to separate the cylinder body into two cavities, the cylinder body is used for generating smoke carriers, and the shell is used for protecting the carriers of other structures, so that the smoke is prevented from affecting other structures, and other elements are prevented from being corroded and short-circuited.

9. Smog leak hunting device includes the control module group, and the control module group includes control panel and control circuit, and control panel establishes the surface in the shell outside to make things convenient for operation control of user, control circuit establish the shell inside and with smog emergence module electric connection, user of service accessible control panel controls opening of heater and air pump, still can set for the temperature value of heater, the pressure value of air pump, observes its data value in real time through control panel simultaneously.

10. Through setting for pressure controller, further ensured the security of smog leak detection device in the maintenance process, prevented to cause the damage to the pipe-line system in the power device, and can be because of the difference of the system that needs the detection pipeline, the pressure rating scope that corresponds pressure controller setting is different, has improved reliability and security in the implementation process greatly.

[ description of the drawings ]

Fig. 1 is a schematic view of the overall structure of the first view angle of the smoke leak detection device of the present invention.

Fig. 2 is a schematic view of the second view angle overall structure of the smoke leak detection device removing part structure of the present invention.

Fig. 3 is a schematic view of the third view angle overall structure of the smoke leakage detecting device removing part structure of the present invention.

Fig. 4a is a schematic view of a smoke exhaust pipe structure in the smoke leakage detecting device of the present invention.

Fig. 4b is a top view of the smoke purifying structure in the smoke leak detecting device of the present invention.

Fig. 5a is a schematic view of another view angle structure of the smoke exhaust pipe in the smoke leakage detecting device of the present invention.

Fig. 5b and 5c are schematic views of the structure of part of the oil injection pipe in the smoke leak detection device of the present invention.

Description of reference numerals:

100. a smoke leak detection device; 1. a housing; 2. a smoke generating module; 21. An oil filling pipe; 211. a flow control valve; 212. fastening a sealing ring; 22. a smoke exhaust pipe; 221. a soft rubber tube; 222. a bending section; 223. a telescopic head; 23. A cylinder body; 24. oil immersion core; 25. a heater; 26. an air pump; 27. a smoke purifying structure; 271. sealing sleeves; 272. filtering with a screen; 3. a control module; 31. a control panel; 32. a control circuit.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention relates to a smoke leak detection device 100 for measuring a leakage of a pipe of an external device, which may include an airplane, an automobile, a motorcycle, a ship, or some other power device; the smoke generating device comprises a shell 1 and a smoke generating module 2; two ends of the smoke generating module 2 extend out of the shell 1 and are respectively exposed out of the shell 1; the shell 1 is provided with a control module 3, and the control module 3 is electrically connected with the smoke generating module.

Further, 2 one end of smoke generation module is oiling pipe 21, and the other end is the pipe 22 of discharging fume, and its oiling pipe 21 one end extends to the shell 1 outside, and inside one end stretched into the shell 1 cavity, and in the same way, the pipe 22 one end of discharging fume exposes in shell 1, and inside one end stretched into the shell 1 cavity.

It can be understood that the housing 1 is a structure with a space cavity inside to protect and support a partial structure of the smoke generating module 2 inside the cavity, and the whole housing 1 can be cylindrical, rectangular and the like, optionally rectangular; the oil injection pipe 21 and the smoke exhaust pipe 22 are hollow pipelines, the oil injection pipe 21 is used for transmitting an external liquid medium to the cavity, namely the interior of the shell 1, and the smoke exhaust pipe 22 is used for exhausting smoke in the cavity, namely the interior of the shell 1.

Referring to fig. 1 and 2, the control module 3 is divided into a control panel 31 and a control circuit 32, the control circuit 32 is electrically connected to the control panel 31, the control panel 31 is disposed on the outer surface of the housing 1 for the convenience of operation and observation of a user, the control circuit 32 is disposed inside the housing 1 and optionally disposed on the inner wall of the housing 1 corresponding to the control panel 31, so that the electrical connection between the control panel 31 and the control circuit 32 is more convenient.

With reference to fig. 2, a cylinder 23 is disposed inside the cavity of the housing 1, and the cylinder 23 is fixedly connected to the inner wall of the housing 1 and forms a sealed cavity with the inner wall of the housing 1 for serving as a carrier for generating smoke;

furthermore, one end of the smoke exhaust pipe 22 passes through the cylinder body 23 and is communicated with the inside of the cylinder body 23, and the other end of the smoke exhaust pipe is exposed out of the shell 1, so that the outside is communicated with the sealed cavity;

one end of the filler pipe 21 extends to the outside of the casing, and the other end passes through the cylinder block 23 and communicates with the cylinder block 23, thereby communicating the cylinder block 23 with the outside;

referring to fig. 3, the smoke generating module 2 further includes a heating wire 25 and an oil immersion core 24, the heating wire 25 is wound on the oil immersion core 24, or the oil immersion core 24 is wound on the heating wire 25, and the heating wire 25 is electrically connected to the control circuit 32, so that a user can control the start-stop and temperature values of the heating wire through the control panel 31, and when the heating wire 25 heats, the oil immersion core 24 generates smoke at a high temperature.

It is understood that the oil-impregnated core 24 can be made of some high water-absorbing materials, such as cotton, hemp, or fabrics made of fibers and yarns, and by highly impregnating some liquid media of kerosene or petroleum, the liquid media also has high humidity under the action of high-concentration liquid media, so that the combustion point is high, and a large amount of smoke is generated when the liquid media meets high temperature; the heating wire 25 can be made of high heat transfer and high oxidation resistance materials such as iron chromium aluminum, nickel chromium electrothermal alloy and the like, can be heated quickly and has strong heat preservation property.

Further, the oil immersion core 24 and one end of the oil filling pipe 21 close to the cylinder 23 are connected, specifically, the oil filling pipe 21 extends into a port at one end of the cylinder 23, the port is completely sealed and blocked by the oil immersion core 24, when the oil filling pipe 21 introduces an external liquid medium from the outside, the external liquid medium is guided to the oil immersion core 24 along with the oil filling pipe 21, and under the characteristic of high water absorption of the oil immersion core 24, the external liquid medium can be continuously absorbed by the oil immersion core 24, so as to provide the external liquid medium required by smoke generation.

In some embodiments, the oil immersion core 24 may be omitted, another accommodating cavity (not shown) may be further provided in the cylinder 23, one end of the oil filling pipe 21 close to the cylinder 23 is directly led into the accommodating cavity, an external liquid medium is input into the accommodating cavity, and the heating wire 25 is provided inside the accommodating cavity and is in contact with the external liquid medium, so as to generate smoke.

Furthermore, the smoke generating module 2 comprises an air pump 26, the air pump 26 is arranged on the surface of the cylinder 23, is communicated with the cylinder 23 and is electrically connected with the control circuit 32, the air pump 26 can be started and stopped under the control of the control circuit 32, the pressure value of the air pump can be observed through the control panel 31, and when the air pump 26 is started, smoke generated by the oil immersion core 24 and the heating wire 25 is extruded from the smoke exhaust pipe 22 by continuously compressing air in the cylinder 23;

optionally, a one-way valve (not shown) is provided at the junction of the air pump 26 and the cylinder 23 in a direction towards the smoke evacuation pipe to prevent external liquid media from entering the air pump 26 and damaging the air pump 26 when the smoke leak detection apparatus 100 is inverted.

The smoke leak detection apparatus 100 may be externally connected to a pressure gauge (not shown) and a flow meter (not shown), which are electrically connected to the control circuit 32. The pressure gauge set in the pressure gauge can observe the internal pressure of the sealed space inside the pipeline to be tested more intuitively, and maintenance personnel can check leakage conveniently.

After the whole pipeline to be tested is filled with smoke, the pressure gauge is at a fixed value, and through gradual checking, if no leakage or seepage exists in the pipeline to be tested, the pressure change value of the pressure gauge can be kept constant, and if leakage or seepage exists, the change value of the pressure gauge can be gradually reduced along with the leakage of the gas until the pressure is 0.

Similarly, if there is no leakage or seepage in the pipe to be tested of the external device, the indicated flow of the flow meter is 0, if there is leakage or seepage, the indicated flow of the flow meter is not 0, and the larger the leakage is, the larger the indicated flow value is.

Referring to fig. 4a and 4b, a smoke exhaust pipe 22 is internally provided with a smoke purifying structure 27, the smoke purifying structure 27 is communicated with the smoke exhaust pipe 22, specifically, the smoke purifying structure 27 comprises a sealing sleeve 271 and a filter screen 272,

it can be understood that the sealing sleeve 271 is similar to a pipeline connector to realize the function of sealing and bearing pressure, the sealing sleeve 271 is in a tubular shape with openings at two ends, one end of the sealing sleeve 271 is sleeved on one end of the smoke exhaust pipe 22 facing the cylinder 23, and the inside of the sealing sleeve 271 is communicated; the other end opening of the sealing sleeve 271 is communicated with the inside of the cylinder body 23, and the filter screen 272 is embedded in the sealing sleeve 271, so that the smoke in the cylinder body 23 passes through the filter screen 272 and then is discharged out of the casing 1 through the smoke discharge pipe 22.

Furthermore, the filter screen 272 may be any one or a combination of an activated carbon filter screen, a HEPA filter screen, and a photocatalyst filter screen, wherein the activated carbon filter screen can physically adsorb part of toxic substances and part of suspended particles, the HEPA filter screen can physically filter PM2.5 suspended particles, and optionally, the filter screen 272 is a photocatalyst filter screen, and the photocatalyst filter screen can effectively remove harmful gases and odors such as carbon monoxide, nitrogen oxides, hydrocarbons, aldehydes, and benzenes in the smoke, and can decompose the harmful gases into harmless CO2 and H2O, and has a sterilization function.

In some embodiments, the smoke leak detection apparatus 100 is provided with a smoke color applicator (not shown) inside, which may be provided at the junction of the cylinder 23 and the smoke exhaust pipe 22, or inside the cylinder 23;

it can be understood that some comparatively tiny leak points of external equipment's pipeline that awaits measuring, because smog is from this pipeline discharge that awaits measuring, people's eye can't see at once, perhaps naked eye discernment is comparatively difficult, need very careful investigation one by one, many work loads have been increased for the user, smog color applicator can make the smog of discharging have the colour, for example fluorescent color, therefore user's accessible fluorescence glasses, observe the position that the pipeline that awaits measuring smokes to can more quickly more clearly observe the leak point of being surveyed the system.

Further, the control module 3 includes a temperature control device (not shown) electrically connected to the heating wire 25 and the air pump 26. The temperature control device can be provided with a control node and can also be understood as a threshold value, when the temperature reaches the control node, the heating wire 25 is powered off, the air pump 26 continues to work, and smoke is guided into the exhaust pipe; after a certain time is lower than the set threshold value, the heating wire 25 continues to work again. The automatic opening or closing work is realized, and the temperature control is more accurate.

The heating wire 25 can be controlled by the temperature control device not to be over-temperature easily, thereby causing accidents.

The control module 3 further comprises a pressure controller (not shown); the pressure controller is electrically connected with the air pump 26, because the pipeline to be tested belongs to different systems in the external equipment, when the pipeline to be tested is tested, the requirement on the pressure is different, the pressure controller can preset a pressure rated value firstly, namely the pressure rated value in the pipeline to be tested, and simultaneously the pressure controller can control the pressure output by the air pump 26, so that the pressure output by the air pump 26 does not exceed the pressure rated value of the pipeline to be tested in a pressure regulating mode, the pipeline to be tested is prevented from being damaged, the pressure controller can play a very critical role in an engine system, a cooling system, an air inlet system, an exhaust system, a turbocharging system and an EVAP system, and because the pressure rated values corresponding to each system are different, the existence of the pressure controller is particularly important, such as: the pressure rating of the to-be-tested pipeline of the EVAP system is usually controlled within a small range, and if the pressure controller is not used for controlling, the to-be-tested pipeline of the EVAP system is easily damaged.

Referring to fig. 5a, one end of the smoke exhaust pipe 22 exposed out of the housing 1 includes three parts, namely a soft rubber pipe 221, a bending part 222 and a telescopic head 223, wherein the soft rubber pipe 221 is a part close to the housing 1, the telescopic head 223 is a part far from the housing 1, and the soft rubber pipe 221 and the telescopic head 223 are connected through the bending part 222;

the flexible rubber hose 221 can be understood as a plastic hose, so that the smoke exhaust pipe 22 can be kept to have certain flexibility, the smoke exhaust pipe 22 can rotate in any direction, the bent part 222 is made of an elastic material and is folded, the smoke exhaust pipe 22 can be bent in any direction, meanwhile, a user can hold the telescopic head 223 by hand, the bent part 222 is continuously and repeatedly compressed and stretched inwards, air in the flexible rubber hose 221 is continuously extruded along with the folding and stretching process of the bent part 222, the blowing effect is achieved, smoke is concentrated, and meanwhile, the smoke exhaust speed can be increased by hand; or when the air pump 26 is broken or power is cut off, the bending part 222 can be manually operated to blow air to discharge smoke; the telescopic head 223 is composed of two to five joint rods (not numbered), optionally three, three joint rods are in sliding connection, and are sequentially sleeved and embedded from large to small to realize the telescopic function, and the telescopic head 223 is farthest away from one joint rod of the soft rubber pipe 221, one end of the pipeline to be tested facing the outer part is conical, so that the length of the soft rubber pipe 221 exposed out of the shell 1 is adjusted, and the telescopic head 223 is adaptable to the external pipelines to be tested with different sizes due to different sizes of the joint rods, even if a small hole is also inserted in a matched mode, and the application range is enlarged.

Referring to fig. 5b and 5c, the oil filling pipe 21 is provided with a flow control valve 211, and the flow control valve 211 can adjust the flow and pressure transmitted by the external liquid medium, so as to control the speed of the immersion core 24 absorbing the external liquid medium, thereby further realizing adjustment of the speed of the immersion core 24 generating smoke under the heating wire 25.

The flow control valve 211 may be connected to the control circuit 32 so that the flow and pressure delivered by the control circuit 32 may be controlled, or may be manually operated.

The joint of the filler pipe 21 and the oil immersion core 24 is provided with a fastening seal 212 to prevent the external liquid medium from leaking out of the gap.

The method of use of the smoke leak detection apparatus 100 is described in detail below:

when the smoke leakage detection device is used, a user injects an external liquid medium which generates smoke through the oil injection pipe 21, then the smoke leakage detection device 100 is powered on, the smoke leakage detection device 100 is started, the air pump 26 in the smoke leakage detection device starts to work at the moment, the heating wire 25 in the cylinder body 23 starts to work at the same time, the heating wire is transmitted to the oil immersion core 24 and contacts with the liquid medium through the heating wire 25 wound on the oil immersion core 24, the heating wire 25 heats the liquid medium to convert the liquid medium from a liquid state into gaseous smoke, and the smoke stored in the cylinder body 23 is discharged along the smoke exhaust pipe 22 through the air pump 26; and enters the pipeline to be tested through the smoke exhaust pipe 22, the smoke exhaust pipe 22 is led into the pipeline to be tested in the external equipment through the telescopic head 223, then the pipeline to be tested becomes a sealed space by blocking other visible openings of the pipeline to be tested, along with the continuous injection process of smoke, after a certain pressure is formed in the sealed space, the air leakage position is checked and marked by using a white light lamp along the air path, and meanwhile, the air leakage position is continuously checked by adopting a silica gel plug until the pressure reaches the rated pressure value of the air pump 26, which indicates that the leakage is completely eliminated.

Compared with the traditional leak detection method for disassembling and checking one by one, the smoke leak detection method can complete detection in a short time, save time and improve working efficiency; and simple structure conveniently carries, and smog is harmless to the human body after filter screen 272 handles, has avoided smog to the long-term occupational hazard that produces of human body.

the telescopic head adopts a sleeve-embedded telescopic structure imitating a fishing rod, and the port of the telescopic head is smaller and smaller along with the extension of the telescopic head, so that smoke emission is more concentrated, and the telescopic head can adapt to pipelines to be tested with different sizes in external equipment;

9. The smoke leakage detection device comprises a control module, the control module comprises a control panel and a control circuit, the control panel is arranged on the surface of the outer side of the shell so that a user can conveniently operate and control, the control circuit is arranged in the shell and is electrically connected with the smoke generation module, a user can control the starting and stopping of the heating wire and the air pump through the control panel, the temperature value of the heating wire and the pressure value of the air pump can be set, and meanwhile, the data value of the heating wire and the pressure value of the air pump can be observed in real time through the; therefore, over-temperature protection and over-voltage protection can be realized through the control module.

The above is only a preferred embodiment of the present invention, and should not be limited to the present invention, and any modifications, equivalent replacements, and improvements made within the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a smog leak hunting device for the leak department of inspection pipeline during maintenance, its characterized in that: the smoke generating module comprises a cylinder body, a smoke discharging pipe, a heating wire, an oil immersion core and a smoke purifying structure; the heating wire and the oil immersion core are arranged inside the cylinder body to generate smoke in the cylinder body; one end of the smoke exhaust pipe penetrates through the cylinder body and is communicated with the inside of the cylinder body, and the other end of the smoke exhaust pipe extends to the outside of the cylinder body so as to communicate the cylinder body with the outside, so that smoke is exhausted to the outside of the cylinder body; the smoke purification structure is connected to the smoke exhaust pipe and communicated with the smoke exhaust pipe so as to purify smoke passing through the smoke exhaust pipe.

2. The smoke leak detection apparatus of claim 1 wherein: the smoke purification structure comprises a filter screen and a sealing sleeve, wherein the filter screen is connected inside the sealing sleeve.

3. The smoke leak detection apparatus of claim 2 wherein: the filter screen can be any one of or the combination of a plurality of activated carbon filter screens, HEPA filter screens and photocatalyst filter screens.

4. The smoke leak detection apparatus of claim 1 wherein: the smoke leakage detecting device comprises an oil filling pipe, one end of the oil filling pipe extends out of the cylinder body, and one end of the oil filling pipe penetrates through the cylinder body and is communicated with the oil immersion core.

5. The smoke leak detection apparatus of claim 4 wherein: the heating wire is wound on the oil immersion core, or the oil immersion core is wound on the heating wire, external liquid medium is transmitted to the oil immersion core through the oil injection pipe, or another accommodating cavity is arranged inside the cylinder body, the oil injection pipe is introduced into the accommodating cavity to introduce the external liquid medium into the accommodating cavity, and therefore smoke is generated under the condition that the heating wire generates heat.

6. Smoke leak detection apparatus as defined in claim 5, wherein: the cylinder body is arranged in the shell and fixedly connected to the inner wall of the shell;

the smoke exhaust pipe and the oil injection pipe are communicated with each other through the cylinder body, and the other end of the smoke exhaust pipe and the oil injection pipe extend to the outside of the shell, so that the cylinder body is communicated with the outside.

7. The smoke leak detection apparatus of claim 6 wherein: the smoke generating device further comprises a control module, wherein the control module comprises a control panel and a control circuit, the control panel is arranged on the outer surface of the shell, the control circuit is arranged inside the shell, the control panel is electrically connected with the control circuit, and the control circuit is electrically connected with the smoke generating module.

8. The smoke leak detection apparatus of claim 7 wherein: the smoke generating module comprises an air pump, wherein the air pump part is exposed on the surface of the cylinder body and is electrically connected with the control circuit, the other part of the air pump part is communicated with the inside of the cylinder body, and the air pump is provided with a one-way valve facing the smoke exhaust pipe.

9. The smoke leak detection apparatus of claim 7 wherein: and the oil filling pipe is provided with a flow control valve to adjust the flow and pressure transmitted by an external liquid medium, and the flow control valve is electrically connected with the control circuit.

10. The smoke leak detection apparatus of claim 8 wherein: the control module further includes pressure controller, pressure controller with air pump electric connection, a pressure rating can be predetermine to pressure controller, simultaneously pressure controller can control the pressure value of air pump output for the pressure of air pump output does not surpass the pressure rating.

11. Smoke leak detection apparatus as claimed in any one of claims 1 to 10, wherein: the utility model discloses a flexible glue pipe, including the flexible glue pipe, the pipe of discharging fume includes flexible head, kink and flexible glue pipe, flexible glue pipe one end with the cylinder body switches on mutually, and one end stretches out the cylinder body with the one end of kink is connected, the other end of flexible glue pipe is connected the one end of flexible glue pipe, the other end of flexible glue pipe is kept away from the part of flexible glue pipe is the toper to put into in the interior pipeline that awaits measuring of car.