CN218267510U - Motor switch device of gas valve - Google Patents
Motor switch device of gas valve Download PDFInfo
- Publication number
- CN218267510U CN218267510U CN202222618928.9U CN202222618928U CN218267510U CN 218267510 U CN218267510 U CN 218267510U CN 202222618928 U CN202222618928 U CN 202222618928U CN 218267510 U CN218267510 U CN 218267510U
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- switch
- motor
- gas valve
- relay
- point contact
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Abstract
The utility model provides a gas valve's motor switch device, include: the emergency switch is connected with the handle; the first relay includes a first relay switch and a first relay coil; the live wire is connected with the first end of the first relay coil through the emergency switch, and the second end of the first relay coil is connected with the zero line; the live wire is connected with a first end of a first relay switch through a point contact switch, and a second end of the first relay switch is connected with the zero line through a motor; the point contact switch is a normally open switch, the emergency switch is a normally closed switch, and the first relay switch is a normally open switch; the point contact switch is arranged on the handle, and the motor is used for controlling the opening and closing of the gas valve. This device can open and close the operation to the gas valve, is favorable to opening and close efficiency of gas valve, is favorable to promoting the security performance that the gas valve opened and close the operation. The utility model discloses but wide application is in the gas technical field.
Description
Technical Field
The utility model belongs to the technical field of the gas technique and specifically relates to a motor switch device of gas valve.
Background
The gas valve belongs to a safety matching device in the gas pipeline engineering, and is used for cutting off, connecting, diffusing and adjusting the gas in a pipe network; a common valve device is a gate valve. The gate valve is opened and closed mainly by manual operation, so that time and labor are wasted, the working efficiency is low, and the rapid emergency control is not facilitated.
In summary, the problems of the related art need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problems existing in the correlation technique to a certain extent at least.
Therefore, an object of the embodiments of the present invention is to provide an efficient motor switch device for a gas valve, including:
an embodiment of the utility model provides a motor switch device of gas valve, include: the emergency switch is connected with the handle; the first relay comprises a first relay switch and a first relay coil; the live wire is connected with the first end of the first relay coil through the emergency switch, and the second end of the first relay coil is connected with the zero line; the live wire is connected with the first end of the first relay switch through the point contact switch, and the second end of the first relay switch is connected with the zero line through a motor; the point contact switch is a normally open switch, the emergency switch is a normally closed switch, and the first relay switch is a normally open switch; the point contact switch is arranged on the handle, and the motor is used for controlling the opening and closing of the gas valve. The control of the motor is realized through a point contact switch, and the opening and closing of the gas valve are further controlled through the motor; the emergency disconnection of the motor is realized through the emergency switch. Therefore, the device can be used for opening and closing the gas valve, the opening and closing efficiency of the gas valve is facilitated, and the safety performance of the opening and closing operation of the gas valve is facilitated to be improved.
In addition, according to the utility model discloses the motor switch device of gas valve of above-mentioned embodiment can also have following additional technical characterstic:
further, in an embodiment of the present invention, the device further includes a motor box, the motor is located in the motor box, and the emergency switch is disposed on the outer surface of the motor box.
Further, in an embodiment of the present invention, the apparatus further includes a boat-shaped switch, and the boat-shaped switch is disposed on an outer surface of the motor box; the ship-shaped switch comprises three gears which respectively correspond to the forward rotation state, the reverse rotation state and the disconnection state of the motor.
Further, in an embodiment of the present invention, the device further includes a display module, the display module is located on the outer surface of the motor box, and the display module is used for displaying the closing or opening process of the gas valve.
Further, in an embodiment of the present invention, the point contact switch is connected to the first end of the first relay switch through an aviation plug.
Further, in an embodiment of the present invention, the handle is hollow.
Further, in an embodiment of the present invention, the point contact switch is connected to the first end of the first relay switch by a radio frequency signal.
Further, in an embodiment of the present invention, the point contact switch is connected to a signal transmitter through a first power supply.
Further, in an embodiment of the present invention, the apparatus further includes a power module.
In another aspect, the present application provides a gas valve comprising a motor switch arrangement of a gas valve as described in any one of the above.
Advantages and benefits of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention:
the embodiment of the application discloses a motor switch device of a gas valve, which comprises a point contact switch, an emergency switch, a first relay, a handle and a motor; the first relay comprises a first relay switch and a first relay coil; the live wire is connected with the first end of the first relay coil through the emergency switch, and the second end of the first relay coil is connected with the zero line; the live wire is connected with the first end of the first relay switch through the point contact switch, and the second end of the first relay switch is connected with the zero line through a motor; the point contact switch is a normally open switch, the emergency switch is a normally closed switch, and the first relay switch is a normally open switch; the point contact switch is arranged on the handle, and the motor is used for controlling the opening and closing of the gas valve. The control of the motor is realized through the point contact switch, and the opening and closing of the gas valve are further controlled through the motor; the emergency disconnection of the motor is realized through the emergency switch. Therefore, the device can be used for opening and closing the gas valve, the opening and closing efficiency of the gas valve is facilitated, and the safety performance of the opening and closing operation of the gas valve is facilitated to be improved.
Drawings
FIG. 1 is a circuit diagram of a switch connection relationship in one embodiment provided herein;
FIG. 2 is a schematic diagram of an embodiment of a gas valve motor switching device provided herein;
FIG. 3 is a schematic view of a handle structure in one embodiment provided herein;
FIG. 4 is a circuit diagram of a switch connection relationship in another embodiment provided by the present application;
fig. 5 is a schematic structural diagram of another embodiment of the motor switch device of the gas valve provided by the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "upper", "lower", "front", "rear", "left", "right", "top", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The gas valve is a safety matching device in gas pipeline engineering, is used for cutting off, connecting, diffusing and regulating gas in pipe network, and has good control characteristic and closing sealing performance. At present, a ball valve, a gate valve, a butterfly valve, a plug valve and a polyethylene ball valve are commonly used on a gas pipeline, wherein a buried steel pipe network mainly uses the gate valve.
Under the general condition, the buried gate valve is opened and closed by manual operation, the switch is time-consuming and labor-consuming, and the working efficiency is lower. Taking DN400 gas buried valve as an example, 4 employees work in turn without interruption, and the time for closing the valve is about 28 minutes, which is very unfavorable for fast controlling and rescuing.
The present application thus provides a motor switch device for a gas valve, which is described in detail with reference to the schematic structural diagrams of the motor switch device for a gas valve shown in fig. 1 and 2.
The application provides a gas valve's motor switch device includes: the device comprises a point contact switch SB2, an emergency switch SB1, a first relay, a handle and a motor M; the first relay comprises a first relay switch KV1 and a first relay coil KV;
the live wire is connected with the first end of the first relay coil through the emergency switch, and the second end of the first relay coil is connected with the zero line; the live wire is connected with the first end of the first relay switch through the point contact switch, and the second end of the first relay switch is connected with the zero line through a motor;
the point contact switch is a normally open switch, the emergency switch is a normally closed switch, and the first relay switch is a normally open switch; the point contact switch is arranged on the handle, and the motor is used for controlling the opening and closing of the gas valve.
In some possible embodiments, referring to fig. 1, normally, the emergency switch (panic switch) is closed, the first relay is energized, and the first normally open contact is closed; the point contact switch is disconnected, and the motor is in a non-working state. When the gas valve needs to be opened and closed, an operator presses the point contact switch on the handle, the point contact switch is closed, the motor is electrified to work, the gas valve is driven to act, and corresponding operation is executed. In the working process, an operator needs to press the point contact switch all the time to enable the motor to be in a point working state. If the gas valve reaches a preset position, the point contact switch is loosened, the point contact switch is in a disconnected state, the motor is powered off, the gas valve stops acting, and the opening and closing process of the gas valve is completed. Set up the point and touch the switch for operating personnel is under emergency, because of instinctive operation, unclamp the point and touch the switch, make motor stop work, promote the security performance. In addition, through emergency switch, also can write in emergency, press emergency switch for emergency switch disconnection, first relay loses the electricity, and first normally open contact disconnection, motor disconnection power, protective apparatus and personal safety.
According to the embodiment of the application, the control of the motor is realized through the point contact switch, and then the opening and closing of the gas valve are controlled through the motor; the emergency switch is used for realizing the emergency disconnection of the motor. Therefore, the device can be used for opening and closing the gas valve, the opening and closing efficiency of the gas valve is facilitated, and the safety performance of the opening and closing operation of the gas valve is facilitated to be improved.
Optionally, the gas valve's motor switching device that this application provided, the device still includes the motor case, the motor is located the motor case, emergency switch arranges in the motor case surface.
Specifically, the emergency switch can be arranged on the outer surface of the motor box and operated by monitoring personnel, so that double guarantees are provided for equipment and personnel safety. In emergency, if the operator does not respond; or when the point contact switch is abnormal, the emergency switch is used for carrying out emergency disconnection on the motor.
Optionally, the present application provides a motor switch device of a gas valve, the device further includes a ship-shaped switch, the ship-shaped switch is disposed on an outer surface of the motor box; the ship-shaped switch comprises three gears which respectively correspond to the forward rotation state, the reverse rotation state and the disconnection state of the motor.
Specifically, the ship-shaped switch is used for controlling the forward rotation and the reverse rotation of the motor, namely, the direction of an electromagnetic field is changed by changing the connection of the positive pole and the negative pole of a power supply to the motor terminal, and the rotation direction of the motor is changed. The ship-shaped switch and the touch switch are combined for use, so that the positive and negative rotation operations of the motor are controlled, and the opening and closing operations of the gas valve are further controlled.
Optionally, the gas valve's that this application provided motor switching device, the device still includes display module, display module is located motor case surface, display module is used for showing closing or the process of opening of gas valve.
In particular, the display module can be used to display the opening and closing process of the gas valve. In some possible implementation manners, through install a counter inductor additional on the motor output shaft, then rotate several rings through judging the output shaft and judge that the valve has rotated several rings, according to the total number of turns of valve switch, and then obtain the valve and open and close the process, make things convenient for the control personnel to open and close the whole management and control of process to the gas valve.
Optionally, the application provides a gas valve's motor switch device, the point touch switch with the first end of first relay switch passes through the circular connector and links to each other.
Specifically, referring to fig. 3, the square frame portion on the handle is shown as a point contact switch, and the application is not limited to a specific form of the point contact switch. Through the connection of the aviation plug, the requirement of disassembling the operating handle and reducing the occupied space can be met.
Optionally, the gas valve provided by the present application comprises a hollow handle.
Particularly, the handle is hollow, so that the components can be conveniently mounted in the handle, meanwhile, the weight of the handle can be reduced, and the single-hand operation of an operator is facilitated.
Optionally, the electric machine switching device of gas valve that this application provided, the point touch switch with the first end of first relay switch passes through the radio frequency signal mode and links to each other.
Optionally, the electric machine switching device of gas valve that this application provided, the point touch switch is connected with signal transmitter through first power.
Optionally, the present application provides a gas valve electrical machine switching apparatus, the apparatus further comprising a power module.
Specifically, referring to fig. 4 and 5, the wired point-contact switch is replaced with a radio frequency signal operated switch. The operating handle also adopts a hollow pipe, a button key is arranged on the surface of the operating handle, a power module and a signal transmitting end are arranged below the button key, the power module and the signal transmitting end are provided with a sealing shell, and a sealing rubber ring is also arranged between the button key and the operating handle to prevent water vapor from entering the interior. The mode of adopting the radio frequency button to connect can directly keep apart other non-explosion-proof subassemblies and explosion-proof motor, reaches explosion-proof requirement through the distance of extension control box and operation scene.
In another aspect, the present application provides a gas valve comprising a motor switch arrangement of a gas valve as claimed in any preceding claim.
According to the gas valve opening and closing device, the gas valve can be opened and closed, the opening and closing efficiency of the gas valve is facilitated, and the safety performance of the opening and closing operation of the gas valve is facilitated to be improved.
In the description herein, references to the description of "one embodiment," "another embodiment," or "certain embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A motor switch device of a gas valve is characterized by comprising: the emergency switch is connected with the handle; the first relay comprises a first relay switch and a first relay coil;
the live wire is connected with the first end of the first relay coil through the emergency switch, and the second end of the first relay coil is connected with the zero line; the live wire is connected with the first end of the first relay switch through the point contact switch, and the second end of the first relay switch is connected with the zero line through a motor;
the point contact switch is a normally open switch, the emergency switch is a normally closed switch, and the first relay switch is a normally open switch; the point contact switch is arranged on the handle, and the motor is used for controlling the opening and closing of the gas valve.
2. A gas valve motor switch assembly as in claim 1, further comprising a motor housing, said motor being located within said motor housing, said emergency switch being disposed on an outer surface of said motor housing.
3. A gas valve motor switch assembly as in claim 2, further comprising a rocker switch disposed on an outer surface of said motor housing; the ship-shaped switch comprises three gears which respectively correspond to the forward rotation state, the reverse rotation state and the disconnection state of the motor.
4. A gas valve motor switching device as claimed in claim 2, further comprising a display module located on the outer surface of the motor housing for displaying the closing or opening process of the gas valve.
5. A gas valve motor switch assembly as in claim 1, wherein said contact switch is connected to said first relay switch at a first end thereof by a male connector.
6. The motor switch device of a gas valve as claimed in claim 1, wherein said handle is hollow.
7. The motor switch device of a gas valve as claimed in claim 1, wherein the point contact switch is connected to the first end of the first relay switch by means of a radio frequency signal.
8. The motor switch device of a gas valve as claimed in claim 7, wherein the touch switch is connected to a signal transmitter through a first power source.
9. A gas valve motor switch assembly as in claim 1, further comprising a power module.
10. A gas valve comprising a motor switch unit for a gas valve as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222618928.9U CN218267510U (en) | 2022-09-30 | 2022-09-30 | Motor switch device of gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222618928.9U CN218267510U (en) | 2022-09-30 | 2022-09-30 | Motor switch device of gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267510U true CN218267510U (en) | 2023-01-10 |
Family
ID=84750957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222618928.9U Active CN218267510U (en) | 2022-09-30 | 2022-09-30 | Motor switch device of gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267510U (en) |
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2022
- 2022-09-30 CN CN202222618928.9U patent/CN218267510U/en active Active
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