CN220322704U

CN220322704U - Pneumatic valve mechanical parameter measuring device

Info

Publication number: CN220322704U
Application number: CN202321947697.4U
Authority: CN
Inventors: 任文彬
Original assignee: Shenzhen Nanhai Nuclear Power Technology Co ltd
Current assignee: Shenzhen Nanhai Nuclear Power Technology Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-01-09
Anticipated expiration: 2033-07-24

Abstract

The application relates to a pneumatic valve mechanical parameter measuring device, which comprises a first shell, a second shell and a PCB (printed circuit board); the first shell and the second shell are assembled to form an accommodating space, and the PCB is arranged in the accommodating space; the side of the first shell is provided with an air pressure acquisition interface and a displacement acquisition interface, the air pressure acquisition interface is used for being connected with an acquisition pipe, and the displacement acquisition interface is used for being connected with a displacement sensor. The measuring device composed of the first shell and the second shell has the advantages of small volume and portability, and the first shell is provided with the air pressure acquisition interface and the displacement acquisition interface, and the pneumatic valve mechanical parameter measurement is realized after the first shell is connected with the acquisition pipe and the displacement sensor, so that the measuring device is conveniently applied to various occasions, and the problems of excessive fittings and inconvenient carrying are solved when the measuring device is improved.

Description

Pneumatic valve mechanical parameter measuring device

Technical Field

The application relates to the field of pneumatic valves, in particular to a mechanical parameter measuring device of a pneumatic valve.

Background

The pneumatic valve needs to be detected and debugged after mechanical refitting so as to ensure that the related mechanical properties meet the requirements, and the operations comprise air tightness detection, idle stroke measurement, stroke setting and coupling connection, spring elastic coefficient detection and test and initial detection of valve regulation performance, and the pneumatic valve is mainly used for detecting the working efficiency of the pneumatic valve and ensuring the stability and accuracy of the pneumatic valve to the greatest extent.

In the related technical means, the conventional method utilizes components such as an air pipe, a pressure reducing valve and the like and a sensor to form a set of simple device, so that air tightness detection, idle stroke measurement, stroke setting and spring elastic coefficient detection are realized, and the mechanical operation of the pneumatic valve is converted into an electric signal through the sensor, so that centralized monitoring and regulation can be performed through equipment such as a computer, a PLC and the like.

According to the technical scheme, components such as the air pipe, the pressure reducing valve and the like and the sensor assembly are utilized to form a set of simple device, and the problems of excessive fittings and inconvenient carrying exist although the air tightness inspection, idle stroke measurement, stroke setting and spring elastic coefficient detection are realized.

Disclosure of Invention

The utility model aims to provide a pneumatic valve mechanical parameter measuring device, which aims to solve the problems existing in the prior art.

The application provides a pneumatic valve mechanical parameter measuring device adopts following technical scheme:

a mechanical parameter measuring device of a pneumatic valve comprises a first shell, a second shell and a PCB (printed circuit board); the first shell and the second shell are assembled to form an accommodating space, and the PCB is arranged in the accommodating space; the side of the first shell is provided with an air pressure acquisition interface and a displacement acquisition interface, the air pressure acquisition interface is used for being connected with an acquisition pipe, and the displacement acquisition interface is used for being connected with a displacement sensor.

As a preferable scheme, one end of the first shell, which is far away from the air pressure acquisition interface, is provided with a battery accommodating cavity, the opening direction of the battery accommodating cavity is provided with a battery cover plate, and the battery cover plate is provided with anti-skid stripes.

As the preferred scheme, battery apron top is provided with apron locking switch, apron locking switch includes rotating end and locking end, the rotating end sets up battery apron top, the locking end sets up first shells inner wall, and with the rotating end is removable to be connected, battery apron orientation the one end of first casing is provided with the mating end, the rotating end is rotatory to be driven the locking end chucking is in the mating end.

As a preferable scheme, one end of the battery cover plate, which is far away from the cover plate locking switch, is provided with a hinge end, and one end of the first shell is provided with a limiting end hinged with the hinge end.

Preferably, a power button is arranged at one end of the second shell far away from the first shell, and the power button is used for controlling the opening and closing of the device.

As a preferable scheme, one end of the second shell, which is far away from the first shell, is also provided with a power indicator lamp, and the power indicator lamp is used for observing the real-time state of the device.

Preferably, a fixing handle is arranged at one end of the first shell far away from the second shell, and the fixing handle is used for being matched with the magic tape so as to carry the device with one's body.

Preferably, a connecting block is arranged at one end of the first shell, which faces the second shell, a connecting groove is arranged at one end of the second shell, which faces the first shell, and the connecting block is clamped in the connecting groove.

Compared with the prior art, the application has the following beneficial effects: the accessory is few, portable. The circuit board is arranged on the first shell, and the air pressure acquisition interface and the displacement acquisition interface are arranged on the side edge of the first shell, wherein the air pressure acquisition interface is used for connecting an acquisition pipe, the displacement acquisition interface is used for connecting a displacement sensor, and finally, the second shell and the first shell are connected by a clamping manner to form a complete testing device, so that the number of required accessories is effectively reduced, the carrying is more convenient, and the problems that the measuring device needs too many accessories and is inconvenient to carry are solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pneumatic valve mechanical parameter measurement device according to an embodiment of the present application;

FIG. 2 is an exploded schematic view of a pneumatic valve mechanical parameter measurement device according to an embodiment of the present application;

FIG. 3 is a schematic left-hand view of a pneumatic valve mechanical parameter measurement device according to an embodiment of the present application;

fig. 4 is a schematic right-side view of a pneumatic valve mechanical parameter measurement device according to an embodiment of the present application.

Reference numerals illustrate:

1. a first housing; 11. an air pressure acquisition interface; 12. a displacement acquisition interface; 13. a battery accommodating chamber; 14. a limiting end; 15. a fixed handle; 16. a connecting block; 2. a second housing; 21. a power button; 22. a power indicator light; 23. a connection groove; 3. a battery cover plate; 31. anti-slip stripes; 32. a mating end; 33. a hinge end; 4. a cover plate locking switch; 41. a rotating end; 42. and a locking end.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

The implementation of the present utility model will be described in detail below with reference to specific embodiments;

referring to fig. 1 to 4, a pneumatic valve mechanical parameter measuring apparatus includes a first housing 1, a second housing 2, and a PCB board; the first shell 1 and the second shell 2 are assembled to form an accommodating space, and the PCB is arranged in the accommodating space; the side of the first shell 1 is provided with an air pressure acquisition interface 11 and a displacement acquisition interface 12, the air pressure acquisition interface 11 is used for connecting an acquisition pipe, and the displacement acquisition interface 12 is used for connecting a displacement sensor; the connection between the displacement sensor and the displacement acquisition interface 12 includes, but is not limited to, suction, sticking, hanging, hooking, etc., and may also be by means of clamping, bolting, direct insertion, etc.; the first shell 1 is used for assembling a circuit board and a data transmission module, and the first shell 1 and the second shell 2 are clamped and spliced to form a complete measuring shell; when the pneumatic valve is used, the acquisition tube is inserted into the pneumatic acquisition interface 11, the displacement sensor is arranged at the displacement acquisition interface 12, the pneumatic pressure of the pneumatic acquisition interface 11 and the valve stroke of the displacement acquisition interface 12 are acquired through the acquisition tube and the displacement sensor, acquired data are transmitted to the processing system through the circuit board and the data transmission module, and the processing system utilizes the data to calculate, so that various parameters of the pneumatic valve, such as a maximum bs value, a minimum bs value, a spring elastic coefficient, sealing force, friction force and the like, are obtained. The device has small volume, can be carried about, and has flexible mounting mode of the sensor, so the device can be conveniently applied to various occasions, and the problems of excessive fittings and inconvenient carrying of the measuring device are solved.

Referring to fig. 1 to 4, since the pneumatic valve needs to be detected and debugged after mechanical assembly is performed, the number of times of measurement is not large, when the non-detachable battery is used, the phenomenon of forgetting to charge is easy to occur, the problem that the pneumatic valve cannot be detected in time occurs, in order to improve the problem, the battery accommodating cavity 13 is arranged at one end of the first shell 1, which is far away from the air pressure collecting interface 11, the battery accommodating cavity 13 is used for assembling a quick-change battery, the battery cover plate 3 is arranged in the opening direction of the battery accommodating cavity 13, the anti-slip stripes 31 are arranged on the battery cover plate 3, the battery cover plate 3 is convenient to open, the power supply of the detachable battery is realized through the battery accommodating cavity 13 and the battery cover plate 3, the measuring device can measure the pneumatic valve in time in a quick-disassembly and quick-change mode, and the problem that the pneumatic valve cannot be detected in time is solved.

Referring to fig. 1 to 4, in order to ensure the stability of the battery cover plate 3, a cover plate locking switch 4 is provided above the battery cover plate 3, the cover plate locking switch 4 is composed of a rotating end 41 and a locking end 42, the rotating end 41 is provided above the battery cover plate 3 and rotatably abuts against the end face of the battery cover plate 3, the locking end 42 is provided on the inner wall of the first shell 1 and is in clamping connection with the rotating end 41, a matching end 32 is provided at one end of the battery cover plate 3 facing the first shell 1, and when the rotating end 41 rotates, the rotating end 41 drives the locking end 42 to clamp in the matching end 32, so that the rotating end 41 is locked on the end face of the battery cover plate 3, the effect of resisting the battery cover plate 3 is realized, the stability of the battery cover plate 3 is increased, and the problem that a quick-change battery assembled on the battery accommodating cavity 13 falls down loosely is improved; the end that keeps away from apron locking switch 4 at battery apron 3 is provided with hinge end 33, and first casing 1 one end be provided with hinge end 33 articulated spacing end 14, through hinge end 33 and spacing end 14's articulated, let battery apron 3 and first casing 1 link together, increase the practicality of structure, improve the problem that battery apron 3 dropped.

Referring to fig. 1 to 4, in order to facilitate the turning on and off of the measuring device, a power button 21 and a power indicator lamp 22 are provided at one end of the second housing 2 remote from the first housing 1, the power button 21 and the power indicator lamp 22 are connected with a circuit board, the turning on and off of the measuring device is achieved through the power button 21, and whether the measuring device is in a state of being turned on or off is observed through the power indicator lamp 22, thereby achieving the switching and real-time monitoring of the measuring device.

Referring to fig. 1 to 4, a fixing handle 15 is provided at one end of the first housing 1 far from the second housing 2, and when the portable measuring device is required, the portable measuring device is realized by sticking the magic through the fixing handle 15.

Referring to fig. 1 to 4, the first housing 1 is engaged with the second housing 2 by means of a clamping connection, specifically, a connecting block 16 is disposed at an end of the first housing 1 facing the second housing 2, a connecting groove 23 is disposed at an end of the second housing 2 facing the first housing 1, and the connecting block 16 of the first housing 1 is clamped in the connecting groove 23 of the second housing 2, so that the first housing 1 and the second housing 2 are clamped.

The implementation principle of the pneumatic valve mechanical parameter measuring device provided by the embodiment of the application is as follows: through setting up circuit board and data transmission module in first casing 1, set up atmospheric pressure collection interface 11 and displacement collection interface 12 again in first casing 1 side, let atmospheric pressure collection interface 11 connect the collection pipe, displacement collection interface 12 connects displacement sensor, rethread second casing 2 and first casing 1 card joint and form complete testing arrangement to improve measuring device and need the accessory too much, carry inconvenient problem.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The pneumatic valve mechanical parameter measuring device is characterized by comprising a first shell (1), a second shell (2) and a PCB; the first shell (1) and the second shell (2) are assembled to form an accommodating space, and the PCB is arranged in the accommodating space; the side of the first shell (1) is provided with an air pressure acquisition interface (11) and a displacement acquisition interface (12), the air pressure acquisition interface (11) is used for being connected with an acquisition pipe, and the displacement acquisition interface (12) is used for being connected with a displacement sensor.

2. A pneumatic valve mechanical parameter measuring device according to claim 1, characterized in that a battery accommodating cavity (13) is arranged at one end of the first housing (1) far away from the air pressure collecting interface (11), a battery cover plate (3) is arranged in the opening direction of the battery accommodating cavity (13), and anti-slip stripes (31) are arranged on the battery cover plate (3).

3. A pneumatic valve mechanical parameter measuring device according to claim 2, characterized in that a cover plate locking switch (4) is arranged above the battery cover plate (3), the cover plate locking switch (4) comprises a rotating end (41) and a locking end (42), the rotating end (41) is arranged above the battery cover plate (3), the locking end (42) is arranged on the inner wall of the first shell (1) and detachably connected with the rotating end (41), a matching end (32) is arranged at one end of the battery cover plate (3) facing the first shell (1), and the rotating end (41) rotationally drives the locking end (42) to be clamped in the matching end (32).

4. A pneumatic valve mechanical parameter measuring device according to claim 3, characterized in that the end of the battery cover plate (3) remote from the cover plate locking switch (4) is provided with a hinge end (33), and the end of the first housing (1) is provided with a limiting end (14) hinged to the hinge end (33).

5. A pneumatic valve mechanical parameter measuring device according to claim 1, characterized in that the end of the second housing (2) remote from the first housing (1) is provided with a power button (21), the power button (21) being used for controlling the opening and closing of the device.

6. A pneumatic valve mechanical parameter measuring device according to claim 1, characterized in that the end of the second housing (2) remote from the first housing (1) is further provided with a power indicator lamp (22), the power indicator lamp (22) being used for observing the real-time status of the device.

7. A pneumatic valve mechanical parameter measuring device according to claim 1, characterized in that the end of the first housing (1) remote from the second housing (2) is provided with a fixing grip (15), said fixing grip (15) being adapted to cooperate with a magic stick so as to carry the device around.

8. A pneumatic valve mechanical parameter measuring device according to claim 1, characterized in that the end of the first housing (1) facing the second housing (2) is provided with a connecting block (16), the end of the second housing (2) facing the first housing (1) is provided with a connecting groove (23), and the connecting block (16) is clamped in the connecting groove (23).