CN220668562U

CN220668562U - Locator with direct indication function

Info

Publication number: CN220668562U
Application number: CN202322293868.2U
Authority: CN
Inventors: 陈丽刚; 陈建峰; 郑哲贤
Original assignee: Changshu Huanyu Instrument Co ltd; Suzhou Ansheng New Material Technology Co ltd
Current assignee: Changshu Huanyu Instrument Co ltd; Suzhou Ansheng New Material Technology Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-26
Anticipated expiration: 2033-08-25

Abstract

The utility model provides a positioner with a direct indication function, which relates to the technical field of valve control and comprises a shell, wherein an IP converter, a pilot valve, a main shaft, a sensor and a circuit board are arranged in the shell, and the positioner also comprises an indication device, wherein the indication device is partially arranged in the shell, partially arranged outside the shell and has a full-closing state, a full-opening state and a boundary pointer state between the full-opening state and the full-closing state when rotating. The utility model utilizes the full-closed state, the full-open state and the boundary pointer state between the full-open state and the full-closed state of the indicating device, and the indicating device is a purely mechanical direct indicating device, so that compared with the electric signal and the screen display, the utility model is more convenient and visual, and brings convenience to operators.

Description

Locator with direct indication function

Technical Field

The utility model relates to the technical field of valve control, in particular to a positioner with a direct indication function.

Background

In general, control of the temperature, pressure, flow rate, and the like of a fluid is very important for a pipe (or piping) for transporting the fluid, and is realized by a valve system installed at a necessary position of the pipe. In addition, to maintain the stability of such valve systems, positioners (positioners) are typically installed which are regarded as automatic valve position control devices.

When each element of the valve system changes, the positioner can correspondingly control the irregular operation of the temperature regulating device and the action regulating device, and control the pressure regulating device to enable the pressure regulating device to operate rapidly and correctly.

The position signal of the valve is typically provided by a positioner as an electrical signal or screen display, but simply by the electrical signal or screen display, there is a lack of visual perception for a worker lacking in a deep understanding of the electrical signal.

Disclosure of Invention

Therefore, the present utility model is directed to a positioner with direct indication function, so as to solve the technical problem that the position signal of the valve in the prior art is provided by the positioner to provide an electric signal or a screen to display, which results in lack of intuitiveness and inconvenience to operators.

In order to achieve the above object, the present utility model provides a positioner with a direct indication function, which comprises a housing, wherein an IP converter, a pilot valve, a main shaft, a sensor and a circuit board are arranged in the housing, and the positioner further comprises an indication device, wherein the indication device is partially arranged in the housing, partially arranged outside the housing, and has a fully closed state, a fully open state and a boundary pointer state between the fully open state and the fully closed state when rotating.

According to an optional embodiment, the casing is provided with an indication hole, the indication device comprises an indication disc, the indication disc can drive the main shaft to be rotatably installed on the main shaft, a screwing end of the indication disc penetrates through the indication hole, the upper surface is an indication area, and the indication area comprises a full-closing state, a full-opening state and a boundary pointer state between the full-opening state and the full-closing state.

According to an alternative embodiment, the circumference of the indication hole is provided as a dial, which is arranged around the indication area.

According to an alternative embodiment, the scale of the dial is in the range of 0 ° -90 °.

According to an alternative embodiment, the indicating device further comprises a housing, the housing comprises a plate-shaped portion and a column-shaped portion, the column-shaped portion is arranged on the upper surface of the plate-shaped portion and is arranged near one end of the plate-shaped portion, and the indicating disc passes through the internal channel of the column-shaped portion.

According to an alternative embodiment, the cover is made of a transparent material.

According to an alternative embodiment, the indicating device further comprises a shielding disc, wherein the shielding disc is sleeved on the indicating disc and penetrates through the channel of the columnar portion.

According to an alternative embodiment, the shielding disc is in a columnar structure, and the upper surface of the shielding disc is provided with a shielding part, and the shielding part is used for shielding a part of the area of the indicating disc.

According to an alternative embodiment, the shielding part comprises a circular part and a sector part, wherein the sector part is symmetrically arranged on two sides of the circular part and is fixedly connected with the circular part.

According to an alternative embodiment, mounting lugs are arranged on two sides of the bottom of the shielding disc.

The locator with the direct indication function provided by the utility model has the following technical effects:

compared with the prior art, the positioner with the direct indication function comprises a shell, wherein an IP converter, a pilot valve, a main shaft, a sensor and a circuit board are arranged in the shell, and the positioner is different from the prior art in that the positioner also comprises an indication device which is partially arranged in the shell and partially arranged outside the shell, and has a full-closed state, a full-open state and a boundary pointer state between the full-open state and the full-closed state when rotating.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a positioner with direct indication according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the positioner of FIG. 1 having a direct indication function;

FIG. 3 is a schematic perspective view of the indicator panel of the positioner of FIG. 1 having a direct indication function;

FIG. 4 is a top view of the indicator disk of FIG. 3;

FIG. 5 is a relative rotation process of the dial and the indicator plate of FIG. 3;

fig. 6 is a schematic perspective view of a shutter disk of the positioner of fig. 1 having a direct indication function.

Wherein, fig. 1-6:

1. a housing; 101. an upper cover; 101a, a dial; 102, a step of; a base; 103. an indication plate; 104. a shielding plate; 105. a housing; 106. a sealing gasket;

2. an IP converter; 3. a pilot valve; 4. a sensor; 5. a circuit board; 6. a main shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

As described in the background, the position signal of the valve in the prior art is typically provided by a positioner with an electrical signal or screen display, but simply by the electrical signal or screen display, it is not intuitive for a worker who lacks a deep understanding of the electrical signal.

Based on this, the utility model provides a positioner with direct indication function, which is different from the positioner in the prior art, and the utility model also comprises an indication device, wherein the indication device is partially arranged in the shell, partially arranged outside the shell, and has a fully-closed state, a fully-open state and a boundary pointer state between the fully-open state and the fully-closed state when rotating.

The technical scheme of the utility model is described in detail below with reference to specific drawings 1-6 and examples.

The embodiment provides a positioner with direct indication function, see fig. 1 and 2, including casing 1, be equipped with the instruction hole on the casing 1, be equipped with IP converter 2 in the casing 1, pilot valve 3, main shaft 6, sensor 4, circuit board 5 and executor, circuit board 5 handles outside control signal and sensor 4 signal, output current, operation control IP converter 2, IP converter 2 control pilot valve 3, pilot valve 3 control executor action, executor action forms sensor 4 signal, circuit board 5 matches output current again according to outside control signal and sensor 4 signal, the operation of last step of circulation is until outside control signal and sensor 4 signal reach the matching requirement, thereby the positioning accuracy of electric positioner has been improved.

The positioner of the present embodiment further includes an indicating device, as shown in fig. 1 and 2, which is partially disposed inside the housing 1, partially disposed outside the housing 1, and has a fully closed state, a fully open state, and a boundary pointer state between the fully open state and the fully closed state when rotated.

As shown in fig. 2, the housing 1 includes an upper cover 101 and a base 102, the upper cover 101 is adapted to the base 102, the base 102 has a mounting cavity therein, and the IP converter 2, the pilot valve 3, the spindle 6, the sensor 4, the circuit board 5 and the actuator are all disposed in the mounting cavity.

Specifically, as shown in fig. 2 to 4 and fig. 6, the indicating device includes an indicating plate 103, a shielding plate 104, and a housing 105 in this order from bottom to top.

The indicating plate 103 is in a column structure with an opening at the bottom, the screwing end of the indicating plate 103 penetrates through the indicating hole of the upper cover 101, the top circumference reverse arc angle of the indicating plate 103 is set, the main shaft 6 is inserted into the indicating plate 103 through the opening at the bottom of the indicating plate 103, namely, the indicating plate 103 can drive the main shaft 6 to be rotatably arranged on the main shaft 6.

In addition, the upper surface of the indication disc 103 is an indication area, the shielding disc 104 is sleeved on the indication disc 103, the shielding disc 104 can partially shield the indication area, and the indication disc 103 passes through the column-shaped part channel of the housing 105 so as to realize the installation and fixation of the indication disc 103.

The indication area of the present embodiment is divided into four sector areas in a bisected manner, as shown in fig. 3 and 4, in which two opposite side sector areas are shown as "on", the remaining two opposite side sector areas are shown as "off", the indication dial 103 can be made to be in a fully-off state, a fully-on state, and a boundary pointer state between the fully-on state and the fully-off state by the displayed "on" and "off", as shown in fig. 5, which is a relative position diagram of the indication dial 103 and the dial 101a, in which the first diagram is the fully-off state, the second diagram is the boundary pointer state between the fully-on state and the fully-off state, and the third diagram is the fully-on state.

As shown in fig. 2, the casing 105 of the present embodiment includes a plate-like portion and a columnar portion, and the casing 105 is preferably made of a transparent material, the columnar portion being disposed on an upper surface of the plate-like portion, being disposed near one end of the plate-like portion, and the indicator disk 103 passing through an inner passage of the columnar portion.

In some embodiments, the circumference of the indication hole is set as a dial 101a, and the dial 101a is preferably semi-circular, and the dial 101a is disposed around the indication area of the indication disk 103.

The scale of the scale 101a of the present embodiment ranges from 0 ° to 90 °, and the scale 101a displays 0 °, 22.5 °, 45 °, 67.5 °, and 90 °.

The shielding plate 104 of the present embodiment is preferably in a columnar structure, and the upper surface thereof is provided with a shielding portion for shielding a partial area of the indicator plate 103.

Specifically, the shielding part comprises a circular part and a sector part, the sector part is symmetrically arranged on two sides of the circular part and fixedly connected with the circular part, mounting lugs are arranged on two sides of the bottom of the shielding disc 104, and the indication disc 103 is conveniently mounted and fixed through the mounting lugs.

In order to increase the tightness between the casing 105 and the upper cover 101, a gasket 106 is further included, and as shown in fig. 2, the gasket 106 is provided with a through hole adapted to the columnar portion of the casing 105, so as to facilitate the passage of the columnar diagram of the casing 105.

The specific process is as follows: the spindle 6 is connected with the valve actuator and is synchronized with the action thereof, i.e. the rotation angle of the spindle 6 directly reflects the action angle or distance of the valve. The indicator 103 is fixed to the end of the spindle 6, and the operation is consistent. The shutter disk 104 is made of an opaque material and is fixed to the housing 105 to prevent a part of the indicator disk 103 from being displayed. When the valve is fully opened, the shielding disc 104 shields the "off" character of the indicator disc 103; when the valve is fully closed, the shielding disc 104 shields the "on" character of the indicator disc 103; when the valve is in the middle, the angle of the dial is indicated by the pointer in the middle.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The locator with the direct indication function comprises a shell, wherein an IP converter, a pilot valve, a main shaft, a sensor and a circuit board are arranged in the shell, and the locator is characterized by further comprising an indication device, wherein the indication device is partially arranged in the shell, partially arranged outside the shell and has a full-closing state, a full-opening state and a boundary pointer state between the full-opening state and the full-closing state when rotating.

2. The locator with direct indication function according to claim 1, wherein the housing is provided with an indication hole, the indication device comprises an indication disc, the indication disc can drive the main shaft to be rotatably installed on the main shaft, a screwing end of the indication disc penetrates through the indication hole, the upper surface is an indication area, and the indication area comprises a full-closing state, a full-opening state and a boundary pointer state between the full-opening state and the full-closing state.

3. The positioner with direct indication function according to claim 2, wherein the circumference of the indication holes is provided as a dial arranged around the indication area.

4. A positioner having a direct indication function according to claim 3, wherein the scale of the scale disc is in the range 0 ° -90 °.

5. The locator with direct indicating function according to any one of claims 2 to 4, wherein the indicating device further comprises a housing including a plate-shaped portion and a column-shaped portion, the column-shaped portion being disposed on an upper surface of the plate-shaped portion and disposed near one end of the plate-shaped portion, the indicating disk passing through an internal passage of the column-shaped portion.

6. The locator with direct indication function according to claim 5, wherein the housing is made of a transparent material.

7. The locator with direct indicating function according to claim 5, wherein the indicating device further comprises a shielding plate sleeved on the indicating plate and passing through the channel of the columnar portion.

8. The locator with direct indicating function according to claim 7, wherein the shielding plate has a columnar structure, and the upper surface thereof is provided with a shielding portion for shielding a partial area of the indicating plate.

9. The locator with direct indicating function according to claim 8, wherein the shielding part comprises a circular part and a sector part, and the sector part is symmetrically arranged at two sides of the circular part and fixedly connected with the circular part.

10. The locator with direct indicating function according to claim 8, wherein the shielding plate is provided with mounting lugs at both sides of the bottom thereof.