CN212672966U

CN212672966U - Rotary gas commutator

Info

Publication number: CN212672966U
Application number: CN202020692943.6U
Authority: CN
Inventors: 王家令; 王奕彤; 杨可辉; 王晓飞
Original assignee: Qingdao Luoying Electronic Co ltd
Current assignee: Qingdao Luoying Electronic Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-03-09
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a gaseous switching-over valve technical field that the air current direction switches specifically is a gyration gas commutator, including shell, seal top cap, sealed bottom, driving motor, rotating assembly and the control unit, shell upper portion with seal top cap is through eight bolt-up connections, the installation of seal top cap top driving motor, driving motor with rotating assembly connects, rotating assembly installs inside the shell, from top to bottom respectively with seal top cap seal bottom connects, seal top cap seal bottom fixed rotating assembly, seal bottom through four bolts with shell fastening connection. The utility model discloses structural design is simple exquisite, and the cost of manufacture is low, and working method is simple, and control is accurate, can realize through the gyration of affiliated rotatory switching-over cover that different pipelines switch over rapidly with the meso position function, through the control unit realizes accurate control, has guaranteed reliability, security.

Description

Rotary gas commutator

Technical Field

The utility model relates to a gaseous switching-over valve technical field that the air current direction switches specifically is a gyration gas commutator.

Background

In a gas delivery system, due to different tasks or purposes, the flowing direction of gas in a pipeline loop needs to be changed, and particularly, the same gas can be delivered to different pipelines or more than two gases can be intermittently delivered to the same pipeline. The direction change frequency of the gas reversing valve is high in the actual use process, and the required reliability and safety are high.

The existing gas commutator is poor in sealing performance and low in control precision in the using process, operation is complex during commutation, reliability is poor, and therefore the problem needs to be solved by developing a gas commutator which is always novel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses in view of the problem that exists among the current gas commutator, provided.

The utility model aims at providing a gyration gas commutator, including shell, seal top cap, sealed bottom, driving motor, rotating assembly and the control unit, shell upper portion with seal top cap is through eight bolt-up connections, the installation of seal top cap top driving motor, driving motor with rotating assembly connects, rotating assembly installs inside the shell, from top to bottom respectively with seal top cap seal bottom connects, seal top cap the fixed rotating assembly of seal bottom, seal bottom through four bolts with shell fastening connection.

The shell is provided with an atmosphere interface, an air blowing interface, an air suction interface and a pipeline interface. The atmosphere interface, the blowing interface, the suction interface and the pipeline interface are uniformly distributed at 90 degrees on the same plane and are communicated with the inside.

The top of the sealing top cover is provided with a motor mounting seat, the upper part of the sealing top cover is fixedly mounted with the driving motor through four bolts, and the sealing top cover is internally provided with a bearing mounting seat.

The bottom of the sealing bottom cover is provided with a grease groove, and a bearing mounting seat is arranged inside the sealing bottom cover.

The rotating assembly comprises a rotating reversing sleeve and a main shaft, two independent gas channels are arranged inside the rotating reversing sleeve, four outlets of the gas channels are symmetrically and uniformly distributed at 90 degrees on the same plane, the rotating reversing sleeve can rotate to a specific position and can be arranged on the shell, the air interface is arranged on the air blowing interface, the air suction interface is communicated with the pipeline interface, the rotating reversing sleeve can also rotate to the middle position, the air blowing interface is not communicated with any interface, the pipeline ventilation is cut off, the main shaft is arranged on the rotating reversing sleeve, the top of the rotating reversing sleeve is connected with the driving motor through a coupler, and the upper position and the lower position of the rotating reversing sleeve are fixedly arranged on the sealing top cover and the sealing bottom cover through bearings.

The rotary reversing sleeve is close to four inlet and outlet positions of a gas channel and is provided with a position sensor respectively, the shell is close to the inner walls of the four interface positions and is provided with interface marks respectively, the position sensor is used for detecting the four inlet and outlet positions of the gas channel and the atmosphere interface, the blowing interface, the suction interface and the pipeline interface butt joint state which are arranged on the shell through recognizing the interface marks, the state comprises a through state and an interface butt joint state which are used for monitoring and recording the four gas interfaces, and the position sensor transmits the detected state to the control unit.

The driving motor is provided with an angle sensor, and the angle sensor and a position sensor arranged on the rotary reversing sleeve can initialize and adjust the position of the driving motor through the analysis and the processing of the control unit.

And the rotary reversing sleeve is provided with a gas detector and transmits a signal to the control unit.

The control unit comprises a control unit MCU, a remote communication module, a signal processing module and a gas controller. The signal processing module is electrically connected with a position sensor and a gas detector on the rotary reversing sleeve and an angle sensor on the driving motor, the remote communication module is communicated with the cloud server to realize remote control and data transmission and storage, and the purposes of monitoring and recording the through state and the working time of each interface are achieved, the control unit MCU is electrically connected with the gas controller, and the control unit MCU is electrically connected with the driving motor.

The inner diameters of four inlets and outlets of the gas channel of the rotary reversing sleeve are larger than the inner diameters of the atmosphere interface, the blowing interface, the suction interface and the pipeline interface.

The driving motor preferably adopts a hybrid stepping motor.

Compared with the prior art, the beneficial effects of the utility model are that: this gaseous commutator of gyration, structural design is simple exquisite, and the cost of manufacture is low, and working method is simple, and control is accurate, can realize different pipeline switches through the gyration of affiliated rotatory switching-over cover, through the accurate control is realized to the control unit, has guaranteed reliability, security.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the control unit of the present invention;

fig. 4 is a flow chart of the work control of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides the following technical solutions: a rotary gas commutator, which has better sealing performance and simple operation in the using process, is disclosed, and referring to FIG. 1, comprises a housing 100, a seal top cover 200, a seal bottom cover 300, a driving motor 400, a rotating assembly 500 and a control unit 600. The upper part of the housing 100 is tightly connected with the top seal cover 200 through eight bolts, the driving motor 400 is arranged above the top seal cover 200, the driving motor 400 is connected with the rotating assembly 500, the rotating assembly 500 is driven to rotate to switch the gas flow direction, the rotating assembly 500 is arranged in the housing 100 and is respectively connected with the top seal cover 200 and the bottom seal cover 300 from top to bottom, the top seal cover 200 and the bottom seal cover 300 play a role in fixing the rotating assembly 500, and the bottom seal cover 300 is tightly connected with the housing 100 through four bolts.

Referring again to fig. 1, the housing 100 is provided with an air interface 110, an air blowing interface 120, an air suction interface 130 and a pipe interface 140. The atmosphere interface 110, the blowing interface 120, the suction interface 130 and the pipeline interface 140 are uniformly distributed at an angle of 90 degrees on the same plane and are communicated with the inside.

Referring to fig. 1 again, the top of the seal top cover 200 is provided with a motor mounting seat 210, the driving motor 400 can be fixedly mounted through four bolts, and the interior of the seal top cover 200 is provided with a bearing mounting seat.

Referring to fig. 1 and 2 again, the bottom of the sealing bottom cap 300 is provided with a grease groove 310 for lubricating the rotation of the rotation assembly 500, and the sealing bottom cap 300 is provided with a bearing mounting seat therein.

Referring to fig. 1 and fig. 2 again, the rotating assembly 500 includes a rotating reversing sleeve 510 and a main shaft 520, two independent gas channels are formed inside the rotating reversing sleeve 510, and four inlets and outlets of the gas channels are symmetrically and uniformly distributed at 90 degrees on the same plane, the rotating reversing sleeve 510 can be communicated with the atmosphere interface 110, the blowing interface 120, the suction interface 130 and the pipeline interface 140 arranged on the housing 100 by rotating to a specific position, and can be communicated with different interfaces by rotating, and meanwhile, the rotating reversing sleeve 510 can also rotate to a middle position without being communicated with any interface, so as to cut off the pipeline ventilation, i.e., realize a middle position function. The main shaft 520 is installed on the rotary reversing sleeve 510, the top of the main shaft is connected with the driving motor 400 through a coupler, the upper and lower positions of the main shaft are fixedly installed on the sealing top cover 200 and the sealing bottom cover 300 through bearings, and the driving motor 400 can drive the rotary reversing sleeve 510 to stably rotate.

Referring to fig. 1 and 3 again, in order to control and monitor the working state of the commutator, position sensors are respectively installed at four inlet and outlet positions of the rotary reversing sleeve 510 close to the gas channel, interface marks are respectively arranged on the inner walls of the four interface positions of the housing 100, the position sensors are used for detecting the butt joint state of the four inlet and outlet positions of the gas channel with the atmosphere interface 110, the blowing interface 120, the suction interface 130 and the pipeline interface 140 arranged on the housing 100 by recognizing the interface marks, the butt joint state includes monitoring and recording the through state among the four air interfaces and whether the interfaces are in butt joint or not, and the position sensors transmit the detected state to the control unit 600.

Referring to fig. 1 and 3 again, in order to achieve more precise control and position adjustment, an angle sensor is installed on the driving motor 400 for detecting the rotation angle of the driving motor, the angle sensor and a position sensor installed on the rotary reversing sleeve 510 can initialize and adjust the position of the driving motor 400 through analysis processing of the control unit 600, theoretically, the communication between two different interfaces can be achieved every time the driving motor rotates by multiples of 90 degrees after the position initialization, but partial deviation exists in the actual work, the rotation parameters can be checked through the interaction of the sensors, the compensation effect is realized, in addition, the program position initialization also needs the cooperation of two sensors to determine the rotation 0 point of the driving motor 400 to be recorded in the control system, the commutator should be initialized each time the commutator is stopped or power is cut off, the zero point and the interface through condition are determined again.

Referring to fig. 1 and 3 again, the rotating sleeve 510 is provided with a gas detector for detecting whether gas is leaked or not and transmitting a signal to the control unit 600.

Referring again to fig. 1 and 3, the control unit 600 includes a control unit MCU, a remote communication module, a signal processing module, and a gas controller. The signal processing module is electrically connected with the position sensor on the rotary reversing sleeve 510, the gas detector and the angle sensor on the driving motor 400, the remote communication module is communicated with the cloud server to realize remote control and data transmission and storage, and the purposes of monitoring and recording the through state and the working time of each interface are achieved, the control unit MCU is electrically connected with the gas controller to control gas stopping, gas suction and gas blowing, and the control unit MCU is electrically connected with the driving motor 400 to achieve the purposes of controlling the driving motor 400 to start, stop and rotate.

Referring to fig. 1 again, the inner diameters of the four inlets and outlets of the gas channel of the rotary reversing sleeve 510 are larger than the inner diameters of the atmosphere interface 110, the blowing interface 120, the suction interface 130 and the pipeline interface 140, so that gas leakage is avoided even if the rotary position of the rotary sleeve 510 is slightly deviated, and the working reliability and adaptability are improved.

Referring to fig. 1 again, the driving motor 400 preferably employs a hybrid stepping motor to ensure rotational accuracy.

The utility model relates to a simple exquisiteness, the cost of manufacture is low, and working method is simple, and control is accurate, please refer to figure 4 once more, the utility model discloses still contain the work control method of a gyration gas commutator:

the method comprises the following steps that firstly, a commutator is started, and initial working state parameters including interfaces required to be communicated during working, detection and adjustment parameters are set;

secondly, the system is initialized according to the set initial working state parameters, the current state of the commutator is detected through the sensor, the control unit MCU sends an instruction to the driving motor 400 to drive the rotating reversing sleeve 510 to rotate to enter a working position, the position is recorded as a zero point in the system, and the gas detector is started.

And thirdly, if the initialization is successful, the commutator enters a formal working state, the ventilation work is started, the remote communication module uploads the initial position and the interface communication condition at the moment to the cloud server, if the initialization is failed, an alarm instruction is sent, and the commutator is restarted after the position is manually maintained and adjusted to repeat the first step to the third step.

And fourthly, after the interface communication and the ventilation of a state are finished, the control unit MCU sends an instruction to stop gas for the gas controller, and remove the residual gas in the pipeline, and sends an instruction to rotate to the next working position for the driving motor 400, the gas detector collects gas analysis components in the process, whether gas leakage exists or not is detected, if no leakage condition exists, the gas detector continues to work, and sends a new working state to the cloud server, if leakage exists, the gas detector continuously removes the gas for the control unit MCU to control the gas controller, then gas detection gas is detected again, if the detection fails, the gas detector is stopped to send an alarm, manual maintenance is arranged, whether gas leakage exists or not can be detected by the gas detector in work, and an alarm is sent if the gas leakage exists.

And fifthly, repeating the first step and the fourth step to realize the safe work of the commutator, only repeating the fourth step to realize the reversing work of the commutator, and continuously working the angle sensor in the process to automatically check the rotation angle of the motor.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A rotary gas commutator, characterized in that: the sealing device comprises a shell (100), a sealing top cover (200), a sealing bottom cover (300), a driving motor (400), a rotating assembly (500) and a control unit (600), wherein the upper part of the shell (100) is fixedly connected with the sealing top cover (200) through eight bolts, the driving motor (400) is arranged above the sealing top cover (200), the driving motor (400) is connected with the rotating assembly (500), the rotating assembly (500) is arranged in the shell (100) and is respectively connected with the sealing top cover (200) and the sealing bottom cover (300) from top to bottom, the sealing top cover (200) and the sealing bottom cover (300) fix the rotating assembly (500), and the sealing bottom cover (300) is fixedly connected with the shell (100) through four bolts;

the shell (100) is provided with an atmosphere interface (110), an air blowing interface (120), an air suction interface (130) and a pipeline interface (140); the atmosphere interface (110), the blowing interface (120), the suction interface (130) and the pipeline interface (140) are uniformly distributed at an angle of 90 degrees on the same plane and are communicated with the inside.

2. A rotary gas diverter according to claim 1, wherein: the top of the sealing top cover (200) is provided with a motor mounting seat (210), the upper part of the sealing top cover is fixedly provided with the driving motor (400) through four bolts, and a bearing mounting seat is arranged in the sealing top cover (200);

the bottom of the sealing bottom cover (300) is provided with a grease groove (310), and a bearing mounting seat is arranged inside the sealing bottom cover (300).

3. A rotary gas diverter according to claim 1, wherein: the rotating assembly (500) comprises a rotating reversing sleeve (510) and a main shaft (520), two independent gas channels are formed in the rotating reversing sleeve (510), and four inlets and outlets of the gas channel are symmetrically and uniformly distributed at 90 degrees on the same plane, the rotary reversing sleeve (510) can be communicated with the atmosphere interface (110), the blowing interface (120), the suction interface (130) and the pipeline interface (140) arranged on the shell (100) by rotating to a specific position, the rotary reversing sleeve (510) can also rotate to a middle position and is not communicated with any interface, so that the ventilation of the pipeline is cut off, the main shaft (520) is installed on the rotary reversing sleeve (510), the top of the main shaft is connected with the driving motor (400) through a coupler, and the upper position and the lower position of the main shaft are fixedly installed on the sealing top cover (200) and the sealing bottom cover (300) through bearings.

4. A rotary gas diverter according to claim 3, wherein: rotatory switching-over cover (510) are close to four exit positions of gas passage and install position sensor respectively, shell (100) are close to and are equipped with interface mark on four interface position inner walls respectively, position sensor is used for detecting four exit of gas passage through discernment interface mark with be equipped with on shell (100) atmosphere interface (110) blow air interface (120) inhale interface (130) with pipeline interface (140) butt joint state, this state including the control record four states of lining up between the gas port and interface butt joint have not produced the skew, position sensor transmits the state that detects for the control unit (600).

5. A rotary gas diverter according to claim 3, wherein: an angle sensor is installed on the driving motor (400), and the angle sensor and a position sensor installed on the rotary reversing sleeve (510) can initialize and adjust the position of the driving motor (400) through the analysis and the processing of the control unit (600);

the rotary reversing sleeve (510) is provided with a gas detector and transmits signals to the control unit (600).

6. A rotary gas diverter according to claim 3, wherein: the control unit (600) comprises a control unit MCU, a remote communication module, a signal processing module and a gas controller; the signal processing module electricity is connected position sensor, gas detector on rotatory switching-over cover (510) and angle sensor on driving motor (400), remote communication module and high in the clouds server communication realize remote control and data transmission, storage, reach the link up state and the operating duration purpose of each interface of control and record, the control unit MCU is connected with the gas controller electricity, the control unit MCU with driving motor (400) electricity is connected.

7. A rotary gas diverter according to claim 3, wherein: the inner diameters of four inlets and outlets of a gas channel of the rotary reversing sleeve (510) are larger than the inner diameters of the atmosphere interface (110), the blowing interface (120), the suction interface (130) and the pipeline interface (140).

8. A rotary gas diverter according to claim 1, wherein: the drive motor (400) is preferably a hybrid stepper motor.