CN210267656U

CN210267656U - Automatic exhaust device

Info

Publication number: CN210267656U
Application number: CN201921226479.5U
Authority: CN
Inventors: 侯柏林; 魏国军
Original assignee: Huizhou City Vocational College (huizhou Business And Tourism Advanced Vocational And Technical School)
Current assignee: Huizhou City Vocational College (huizhou Business And Tourism Advanced Vocational And Technical School)
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-07
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to an automatic change exhaust apparatus, including exhaust portion and control part. The portion of airing exhaust includes the chamber that holds of a columnar order, holds the intracavity and is provided with slewing mechanism, and the side that holds the chamber is connected with the trachea of deriving, derives the trachea and holds the chamber intercommunication, derives the trachea and is used for gaseous derivation. The two end faces of the containing cavity are respectively connected with a motor and a control part. The control part comprises a connecting pipe and a control box, the control box is connected with the accommodating cavity through the connecting pipe, a gas flow sensor is arranged on the connecting pipe, a guide-in gas pipe is connected to the control box, and the guide-in gas pipe is used for guiding gas. The control box is electrically connected with the gas flow sensor, and the gas flow sensor is in communication connection with the motor. Leading-in trachea passes through control box and connecting pipe intercommunication, and the control box holds the chamber through the connecting pipe intercommunication.

Description

Automatic exhaust device

Technical Field

The utility model relates to an automatic technical field especially relates to an automatic change exhaust apparatus.

Background

In the existing manufacturing production process, gas needs to be introduced or discharged. But need strict control to leading-in or deriving of gas in the precision production process, the utility model provides an automatic exhaust apparatus, the suitability is in leading-in or deriving of gas and can control and set up the leading-in or deriving process of gas.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic exhaust device comprises an exhaust part and a control part. The portion of airing exhaust includes the chamber that holds of a columnar order, holds the intracavity and is provided with slewing mechanism, and the side that holds the chamber is connected with the trachea of deriving, derives the trachea and holds the chamber intercommunication, derives the trachea and is used for gaseous derivation. The two end faces of the containing cavity are respectively connected with a motor and a control part. The control part comprises a connecting pipe and a control box, the control box is connected with the accommodating cavity through the connecting pipe, a gas flow sensor is arranged on the connecting pipe, a guide-in gas pipe is connected to the control box, and the guide-in gas pipe is used for guiding gas. The control box is electrically connected with the gas flow sensor, and the gas flow sensor is in communication connection with the motor. Leading-in trachea passes through control box and connecting pipe intercommunication, and the control box holds the chamber through the connecting pipe intercommunication.

Furthermore, a human-computer interaction interface is arranged on the side face of the control box, an operator sets the numerical range of the gas flow in the connecting pipe through the human-computer interaction interface, and the gas flow sensor can detect the numerical value of the gas flow in the connecting pipe. The control box can adopt the structure among the prior art scheme, can set up temperature sensor, dust remover and control switch in the box of control box, and temperature sensor electric connection human-computer interaction interface, control switch input and power electric connection, control switch's output electric connection temperature sensor, dust remover and human-computer interaction interface.

Furthermore, the rotating mechanism is coaxially connected with the free end of the motor, the rotating mechanism is used for guiding the flowing of the gas in the accommodating cavity guided by the connecting pipe, the gas is guided out through the air outlet pipe, the free end of the motor can drive the rotating mechanism to rotate around the central shaft, the rotating speed of the rotating mechanism is controlled by controlling the rotating speed of the free end of the motor, and the faster the rotating speed of the rotating mechanism is, the larger the flow of the gas guided out by the air outlet pipe is.

Preferably, the rotating mechanism is an exhaust fan or an exhaust turbine.

Furthermore, a plurality of metal conductive nets are arranged in the connecting pipe. The gas passing through the connecting pipe is subjected to static elimination through the metal conductive net, and then is subjected to flow detection through the gas flow sensor, so that the problems of reduction of detection precision and service life of the gas flow sensor due to electrostatic adsorption of dust are solved.

Further, the gas flow sensor is a thermal gas flow sensor, an ultrasonic gas flow sensor, a hole plate gas flow sensor, a rotor gas flow sensor, a turbine gas flow sensor or a piston gas flow sensor.

The utility model discloses a theory of operation does: an operator sets a numerical range of gas flow in the connecting pipe through a human-computer interaction interface of the control box, the motor starts to control the rotating mechanism to rotate, gas is guided in from the guide-in gas pipe, then is guided into the accommodating cavity through the connecting pipe and is guided out through the guide-out gas pipe, the gas flow sensor detects flow when the gas passes through the connecting pipe, the gas flow value is lower than the lower limit of the numerical range of the set gas flow at the beginning, the flow sensor sends an instruction to the motor to control the motor to rotate in an accelerating mode, at the moment, the rotating mechanism rotates in an accelerating mode to accelerate the flow of the gas, and the flow sensor sends an instruction to the motor to control the motor to rotate stably until the gas flow value reaches. If the gas flow value is higher than the upper limit of the set gas flow value range, the flow sensor sends an instruction to the motor to control the motor to rotate in a decelerating mode, the rotating mechanism rotates to decelerate, so that the gas flow is slowed down, and when the gas flow value reaches the set gas flow value range, the flow sensor sends an instruction to the motor to control the motor to keep rotating stably.

The utility model has the advantages that: the application provides an automatic exhaust apparatus can stable control gaseous derivation flow.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic structural diagram of an automatic exhaust apparatus according to an embodiment of the present invention.

Fig. 2 is a left side view of an automatic exhaust device according to an embodiment of the present invention.

Fig. 3 is a partial cross-sectional view of an automatic exhaust apparatus according to an embodiment of the present invention.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1 to 3, an embodiment of the present invention provides an automatic exhaust apparatus, which includes an exhaust portion and a control portion. The portion of airing exhaust includes the chamber 4 that holds of a column type, holds and is provided with exhaust fan 5 in the chamber 4, and the side that holds chamber 4 is connected with and derives trachea 41, holds the one end connection control portion of chamber 4, and the other end is provided with bellied tubulose and settles chamber 6, settles and is provided with motor 7 in the chamber 6, and the free end of motor 7 runs through the terminal surface that holds chamber 4 and exhaust fan 5 coaxial coupling. The control part includes connecting pipe 3 and control box 1, and control box 1 is connected through connecting pipe 3 and is held chamber 4, is provided with gas flow sensor 31 on the connecting pipe 3, is connected with leading-in trachea 2 on the control box 1, gas flow sensor 31 and motor 7 communication connection and with 1 electric connection of control box. The side of the control box 1 is provided with a human-computer interaction interface 11. Leading-in trachea 2 passes through control box 1 and connecting pipe 3 intercommunication, and control box 1 holds chamber 4 through connecting pipe 3 intercommunication. Inside the connecting tube, several metal conductive meshes 32 are arranged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An automatic exhaust apparatus which characterized in that:

comprises an exhaust part and a control part; the air exhaust part comprises a cylindrical accommodating cavity, a rotating mechanism is arranged in the accommodating cavity, the side surface of the accommodating cavity is connected with an air guide pipe, and two end surfaces of the accommodating cavity are respectively connected with a motor and a control part;

the control part comprises a connecting pipe and a control box, the control box is connected with the accommodating cavity through the connecting pipe, a gas flow sensor is arranged on the connecting pipe, and a guide-in gas pipe is connected to the control box;

the gas flow sensor is in communication connection with the motor.

2. The automated venting device of claim 1, wherein: the rotating mechanism is coaxially connected with the free end of the motor.

3. The automated venting device of claim 2, wherein: the rotating mechanism is an exhaust fan or an exhaust turbine.

4. The automated venting device of claim 3, wherein: the control box is electrically connected with the gas flow sensor, and a human-computer interaction interface is arranged on the side face of the control box.

5. The automated venting device according to claim 4, wherein: the leading-in trachea pass through the control box with the connecting pipe intercommunication, the control box passes through the connecting pipe intercommunication hold the chamber.

6. The automated venting device of claim 5, wherein: and a plurality of metal conductive nets are arranged in the connecting pipe.

7. The automated venting device of claim 6, wherein: the gas flow sensor is a thermal gas flow sensor or an ultrasonic gas flow sensor or a pore plate type gas flow sensor or a rotor type gas flow sensor or a turbine type gas flow sensor or a piston type gas flow sensor.