CN211121807U

CN211121807U - Detection device for outlet flue

Info

Publication number: CN211121807U
Application number: CN201921917631.4U
Authority: CN
Inventors: 刘杰; 何勇; 黄添林
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-28
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a detection apparatus for be used for export flue, its characterized in that: including being used for body (1) be connected with export flue (100) and through detecting export flue (100) interior or outer oil smoke concentration thereby judge first sensor (2) of export flue (100) leakproofness, body (1) includes casing (11), sets up smoke generating device (12) in casing (11) and carries the smog that smoke generating device (12) produced to export flue (100) fan system (13), the export and the export flue (100) of fan system (13) are linked together. Compared with the prior art, the utility model has the advantages of: through will producing smog and carrying smog to the body and the export flue of export flue and be connected, the rethread sets up outside the export flue, can inspect the first sensor of oil smoke concentration to judge whether there is the problem of leaking the cigarette in the export flue, and can pinpoint the position of leaking the cigarette.

Description

Detection device for outlet flue

Technical Field

The utility model belongs to the technical field of the oil smoke purifies and specifically relates to a detection device for export flue.

Background

In the prior art, oil smoke in a kitchen is discharged into a flue check valve through a range hood and then is discharged into a longitudinal common flue in a building through the flue check valve.

201910483107.9 discloses a smoke exhaust system of a range hood, comprising: the range hood, discharge fume pipe, check valve assembly, range hood have the exhaust port, and the pipe of discharging fume is used for discharging fume port and public flue intercommunication, and check valve assembly sets up and is used for discharging fume pipe and public flue intercommunication in the end of the pipe of discharging fume, and check valve assembly includes flue wind wheel, tobacco pipe wind wheel and pivot, and wherein the flue wind wheel sets up in public flue the inside, and the tobacco pipe wind wheel sets up in the pipe of discharging fume the inside, and the pivot is used for linking together flue wind wheel and tobacco pipe wind wheel.

The annoying 'smoke leakage' of the outlet flue not only pollutes the indoor and outdoor environment, but also causes kitchen odor and affects the physical health of residents. At present, the problem of smoke leakage of an outlet flue of the range hood is mostly caused by cracks existing in the outlet flue or poor installation of a check valve and the like.

Aiming at the problem of smoke leakage of the outlet flue, most of the prior range hoods are not provided with a step of monitoring smoke leakage of the outlet smoke pipe before the range hood is installed, such as a stage of pre-burying the outlet smoke pipe. Most of the problems of smoke leakage of the outlet flue can be monitored only by people, whether the smoke leakage phenomenon exists in the outlet flue is judged by methods of visual inspection, hand feeling and the like, however, the manual monitoring of the smoke leakage is time-consuming and labor-consuming, the misjudgment is easy to occur in a complex flue environment, and the smoke leakage of a high-rise residence is long, so that people are difficult to detect.

Some users or oil smoke extractors can increase the rotating speed of the fan to eliminate the kitchen odor or the oil smoke backflow problem, and when the rotating speed of the fan is increased blindly, the problem of smoke leakage of an outlet flue can not be solved fundamentally, and energy consumption is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, provide a can pinpoint export flue leak cigarette position, the good detection device that is used for export flue of portability.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a detection device for export flue which characterized in that: including the body that is used for being connected with the export flue and thereby judge the first sensor of export flue leakproofness through detecting the interior or outer oil smoke concentration of export flue, the body includes the casing, sets up smoke generator in the casing and carries the fan system to the export flue with the smog that smoke generator produced, the export and the export flue of fan system are linked together.

In order to be capable of placing the cigarette cake and generating smoke, the smoke generating device comprises a tray for storing the cigarette cake and a sliding rail arranged on the shell and in sliding fit with the tray, and the sliding rail extends in the front-back direction.

In order to allow the tray to pass through the front side of the shell, a through hole which is matched with the tray and is used for the tray to pass through is formed in the front side of the shell.

In order to facilitate the transportation of the smoke generated by the smoke generating device to the outlet flue, the fan system is arranged in the shell and comprises a volute, an impeller arranged in the volute and a motor driving the impeller.

In order to obtain a flue resistance characteristic curve of a single user and provide a certain reference value for the user in the model selection of the range hood, the detection device further comprises an air outlet cover which is arranged on the shell and used for communicating the fan system and the outlet flue, and a second sensor used for sensing the outlet pressure of the fan system is arranged in the air outlet cover.

In order to facilitate the body to move and improve the portability, the bottom of the shell is provided with a pulley which is convenient for the body to move.

Compared with the prior art, the utility model has the advantages of: the body which can generate smoke and convey the smoke to the outlet flue is connected with the outlet flue, and then the first sensor which is arranged outside the outlet flue and can detect the concentration of oil smoke is used for judging whether the outlet flue has the problem of smoke leakage or not and accurately positioning the smoke leakage position; the flue resistance characteristic curve of a single user can be obtained by recording the magnitude of the outlet pressure fed back by the second sensor in the air outlet housing under different gears (flow rates), and a certain reference value can be provided for the user in the type selection of the range hood.

Drawings

Fig. 1 is a schematic view of a body of a detection device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a body of a detection device according to an embodiment of the present invention;

fig. 3 is a schematic view of a usage status of the detecting device according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Referring to fig. 1 to 3, a detection device for an outlet flue includes a body 1 connected to the outlet flue 100, and a first sensor 2 for detecting a concentration of soot inside or outside the outlet flue 100 to determine the tightness of the outlet flue 100.

The body 1 comprises a shell 11, a smoke generating device 12 arranged in the shell 11, a fan system 13 for conveying smoke generated by the smoke generating device 12 to an outlet flue 100, and an air outlet cover 14 for communicating the fan system 13 with the outlet flue 100, wherein a second sensor 15 for sensing the outlet pressure of the fan system 13 is arranged in the air outlet cover 14. The body 1 is further provided with an electric control system 16, and the first sensor 2, the second sensor 15 and the fan system 13 are all electrically connected with the electric control system 16.

Referring to fig. 2, the smoke generating device 12 includes a tray 121 for storing the tobacco cake and a slide rail 122 disposed on an inner side wall of the housing 11 and slidably engaged with the tray 121. The slide rail 122 extends in the front-rear direction, and the tray 121 is movable in the front-rear direction with respect to the housing 11 by the slide rail 122. A through hole 111 adapted to the tray 121 and through which the tray 121 passes is opened at the front side of the housing 11.

The fan system 13 is disposed in the housing 11 and includes a volute 131, an impeller 132 disposed in the volute 131, and a motor 133 for driving the impeller 132. The volute 131 may be fixedly connected to the housing 11, the air inlet of the fan system 13 is located above the smoke generating device 12, and the air outlet of the fan system 13 is connected to the inlet of the air outlet housing 14.

In order to improve the moving portability of the body 1, the bottom of the housing 11 is provided with a pulley 17 for facilitating the movement of the body 1.

Referring to fig. 1-3, outlet flue 100 includes, but is not limited to, a user-side outlet smoke tube 1001, a non-return valve 1002 connecting outlet smoke tube 1001 and a common flue, and a common flue 1003. For example, at the stage of pre-burying the outlet smoke pipe 1001 and before installing the range hood, in order to test the tightness of the outlet smoke pipe 1001, the air outlet cover 14 of the body 1 is connected with the outlet smoke pipe 1001, the first sensor 2 is arranged on the outer side of the outlet smoke pipe 1001, then the fan system 13 is started, the tray 121 in the housing 11 is moved to the front side of the housing 11, the tobacco cake is placed on the tray 121 and then moved back to the housing 11, then the tobacco cake is ignited, the smoke generated by the tobacco cake enters the outlet smoke pipe 1001 through the air outlet cover 14 under the driving of the fan system 13, then whether the outlet smoke pipe 1001 has a smoke leakage phenomenon is judged according to the signal feedback of the first sensor 2, if the smoke leakage occurs, the first sensor 2 detects the oil smoke, so that the position of the smoke leakage can be quickly and accurately positioned, and the outlet smoke pipe 1001 can be repaired or replaced. Meanwhile, the first sensor 2 can be arranged in the outlet smoke pipes 1001 of other floors, if the non-tight closing of the check valve 1002 corresponding to the floor causes the backflow of the oil smoke, the first sensor 2 in the outlet smoke pipes 1001 of the floor detects the oil smoke and judges that the check valve 1002 is not tightly closed, and if the phenomenon of non-tight closing exists, the check valve 1002 is repaired or replaced in time, so that the phenomenon of backflow of the oil smoke is prevented.

In the stage that the outlet smoke tube 1001 is connected to the range hood, for example, after the user uses the range hood for a period of time, the user finds that there is a peculiar smell in the kitchen, and the outlet hood of the range hood can be directly connected to the housing 11, opposite to the air outlet of the fan system 13, in the same way as above.

The pressure at the outlet of the fan system 13 is different due to the different resistance coefficients of the common flues 1003. Aiming at recording the magnitude of the outlet pressure fed back by the second sensor 15 in the air outlet housing 14 under different gears (flow rates), the flue resistance characteristic curve of a single user can be obtained, and a certain reference value can be provided for the user in the selection of the range hood.

Claims

1. A detection device for export flue which characterized in that: including being used for body (1) be connected with export flue (100) and through detecting export flue (100) interior or outer oil smoke concentration thereby judge first sensor (2) of export flue (100) leakproofness, body (1) includes casing (11), sets up smoke generating device (12) in casing (11) and carries the smog that smoke generating device (12) produced to export flue (100) fan system (13), the air outlet and export flue (100) of fan system (13) are linked together.

2. The detection device according to claim 1, wherein: the smoke generating device (12) comprises a tray (121) used for storing the tobacco cakes and a sliding rail (122) arranged on the shell (11) and in sliding fit with the tray (121), and the sliding rail (122) extends in the front-back direction.

3. The detection device according to claim 2, wherein: the front side of the shell (11) is provided with a through hole (111) which is matched with the tray (121) and is used for the tray (121) to pass through.

4. The detection device according to claim 1, wherein: the fan system (13) is arranged in the shell (11), and the fan system (13) comprises a volute (131), an impeller (132) arranged in the volute (131) and a motor (133) driving the impeller (132).

5. The detection device according to claim 1, wherein: the air-out cover (14) is arranged on the shell (11) and used for communicating the fan system (13) with the outlet flue (100), and a second sensor (15) used for sensing the outlet pressure of the fan system (13) is arranged in the air-out cover (14).

6. The detection device according to any one of claims 1 to 5, wherein: the bottom of the shell (11) is provided with a pulley (17) which is convenient for the body (1) to move.