CN219200701U

CN219200701U - Remote transmission anti-seismic pressure gauge

Info

Publication number: CN219200701U
Application number: CN202223531682.8U
Authority: CN
Inventors: 李欣; 范联科; 尹俊成; 吴盼盼
Original assignee: Qinchuan Group Baoji Instrument Co ltd
Current assignee: Qinchuan Group Baoji Instrument Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-16
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a remote transmission anti-seismic pressure gauge, which comprises: the input detection mechanism comprises a shell, and a pressure deformation device is arranged in the shell; a transmission indicating mechanism and an output module which are connected with the pressure deformation device are arranged in the gauge outfit; the transmission indicating mechanism displays pressure deformation through the mechanical dial plate, the output module converts the pressure deformation into an electric signal through the angle sensor to be transmitted to the remote transmission terminal, the friction resistance is reduced to the minimum when the transmission indicating mechanism is used for measuring by utilizing the advantages of the non-contact angle sensor, the measurement precision is not reduced due to the surface abrasion of the measuring part, the output signal is more stable, the output precision is higher, in addition, the remote acquired data can reduce the workload of manually detecting each pressure meter, the working efficiency is improved, and the cost is reduced.

Description

Remote transmission anti-seismic pressure gauge

Technical Field

The utility model relates to the technical field of meters, in particular to a remote transmission anti-seismic pressure gauge.

Background

In each large oil field, the device is required to monitor the field pressure of oil field production, fracturing, well cementation and other operations, so that the pressure parameters in the process of each operation of the oil field can be known at any time, the existing detection device is required to monitor and collect data nearby on the spot, and the field monitoring and collection is required to record the data of each pressure gauge manually, so that the workload is high and the efficiency is low. The collecting process can only look at the instrument panel in a head-up manner, parallax exists, the reading is mostly estimated, the error is large, the vertical state must be maintained in the verification process, the sensitivity is poor, and the process of the whole mining operation is affected.

Disclosure of Invention

Aiming at the defects or shortcomings, the utility model aims to provide the remote transmission anti-seismic pressure gauge which can remotely transmit data, has higher output precision and realizes remote pressure monitoring when unmanned operation is carried out on site. In addition, the instrument can also intuitively display the pressure value through the on-site pointer, and provides a reference for remote data.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a remote shock resistant pressure gauge comprising: the input detection mechanism comprises a shell, and a pressure deformation device is arranged in the shell; a transmission indicating mechanism and an output module which are connected with the pressure deformation device are arranged in the gauge outfit; the transmission indicating mechanism displays pressure deformation through a mechanical dial, and the output module converts the pressure deformation into an electric signal through an angle sensor and transmits the electric signal to the remote transmission terminal.

The pressure deformation device comprises a diaphragm group and a fork spring which are arranged in the shell, and the fork spring is connected with the transmission indicating mechanism.

A sealing gasket is arranged in the shell.

The fork spring is made of spring steel.

The transmission indicating mechanism comprises: the watch comprises a movement, a bushing and a pointer connected with the movement, wherein the movement and the bushing are arranged in a watch head.

The output module includes: the pressure sensor pressure sensing element is arranged on the machine spindle, and the other end of the pressure sensor pressure sensing element is arranged in the bushing; the output end of the pressure sensor pressure sensing element is connected with a micro-control circuit, and the output end of the micro-control circuit is connected with the terminal.

The pressure sensor pressure sensing element is magnetic steel arranged on the machine spindle.

The micro-control circuit includes: the system comprises an amplifying circuit and a V/I conversion circuit, wherein the V/I conversion circuit transmits signals to a terminal for display through an output circuit and a communication module.

The output current of the output circuit is 4mA-20mA.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a remote transmission anti-vibration pressure gauge, which utilizes the principle that a capillary channel limits the flow velocity of fluid, so that pressure pulsation is restrained to become stable pressure, then the pressure pulsation is converted into an electric signal through deformation change and then is output, a pressure value can be transmitted and displayed through a Hall type non-contact technology, and the data can be acquired by a remote transmission terminal.

Furthermore, the damping mechanism is designed in the utility model, so that the damping mechanism has a good damping effect on pressure pulsation in the whole measuring range, not only is stable and clear indication during the measurement of severe pulsation pressure, but also can bear transient pressure impact, and therefore, the remote-transmission anti-seismic pressure gauge has good anti-seismic performance. In addition, the filling liquid in the meter head can normally work under the condition that the installation position has stronger environmental vibration. In addition, the instrument can not only indicate the measured pressure value on site, but also output a constant current source current signal which is in direct proportion to the measured pressure and transmit the constant current source current signal to a matched instrument of a remote measuring point, thereby realizing centralized detection and remote control.

Drawings

FIG. 1 is a schematic diagram of a remote-transmission anti-seismic pressure gauge structure of the utility model;

fig. 2 is a functional block diagram of the present utility model.

In the figure, 1-a housing; 2-a sealing gasket; 3-a set of diaphragms; 4-a fork spring; 5-gauge outfit; 6-a transmission indicating mechanism; 7-an output module.

Detailed Description

The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

As shown in fig. 1, the present utility model provides a remote-transmission anti-seismic pressure gauge, comprising: the gauge outfit 5 and the input detection mechanism installed at the lower end of the gauge outfit 5, wherein the input detection mechanism comprises a shell 1, and a pressure deformation device is arranged in the shell 1; a transmission indicating mechanism 6 and an output module 7 which are connected with the pressure deformation device are arranged in the gauge outfit 5; the transmission indicating mechanism 6 displays pressure deformation through a mechanical dial, and the output module 7 converts the pressure deformation into an electric signal through an angle sensor and transmits the electric signal to a remote transmission terminal.

Specifically, the pressure deformation device comprises a diaphragm group 3 and a fork spring 4 which are arranged in the shell 1, and the fork spring 4 is connected with the transmission indicating mechanism 6. In addition, a gasket 2 is provided in the housing 1. The pressure of the measured medium pulse acts on the sealing gasket 2, the principle that the flow rate of fluid is limited by the capillary channel is utilized by the diaphragm group 3, so that the pressure pulse is restrained to be stable pressure, the pressure is converted into concentrated force and acts on the fork spring 4 to deform the fork spring, and the fork spring is amplified by the transmission mechanism 6 to enable the dial to rotate, so that the average value of the measured pulse pressure is indicated. In the device of the present utility model, the hook 4 is a hook made of spring steel.

In addition, the transmission indicating mechanism 6 of the present utility model includes: a movement mounted in the gauge outfit 5, a bushing, and a pointer connected to the movement. The output module 7 includes: the pressure sensor pressure sensing element is arranged on the machine spindle, and the other end of the pressure sensor pressure sensing element is arranged in the bushing; the output end of the pressure sensor pressure sensing element is connected with a micro-control circuit, and the output end of the micro-control circuit is connected with the terminal. The pressure sensor pressure sensing element is magnetic steel arranged on the machine spindle. Further, the micro control circuit includes: the display device comprises an amplifying circuit and a V/I converting circuit, wherein the V/I converting circuit transmits signals to a terminal for display through an output circuit and a communication module, the signals are output through processing of an internal amplifying circuit while a pointer rotates, and the signals are converted to form 4mA-20mA current output.

The working process and principle of the utility model are as follows:

as shown in fig. 2, when the measured medium enters the inner cavity of the shell 1, the generated pulsation pressure acts on the sealing gasket 2, the principle that the flow rate of fluid is limited by the capillary channel is designed in the membrane group 3, the throttling pressure acts on the fork 4 to deform the fork, and the dial is rotated after the expansion of the sector gear in the transmission indicating mechanism, so that the measured pulsation pressure is displayed on the dial. In addition, by utilizing the Hall sensor principle, when the pointer rotates, the count can correspondingly change, then the signal is output through the processing of the internal amplifying circuit 6, the signal is converted into 4mA-20mA current to be output, and the current is transmitted to the display instrument remotely.

After the mechanical meter part and the remote transmission part are tested to be qualified, methyl silicone oil is filled into the meter head, the buffer and shockproof effects can be achieved under the strong vibration environment, in addition, a damping mechanism is designed in the meter head, the damping mechanism has good damping effect on pressure pulsation in the whole measurement range, and the mechanical meter is suitable for severe industrial environments such as vibration and impact.

It will be apparent to those skilled in the art that the foregoing is merely illustrative of the preferred embodiments of this utility model, and that certain modifications and variations may be made in part of this utility model by those skilled in the art, all of which are shown and described with the understanding that they are considered to be within the scope of this utility model.

Claims

1. A remote shock resistant pressure gauge, comprising: the gauge outfit (5) and the input detection mechanism installed at the lower end of the gauge outfit (5), wherein the input detection mechanism comprises a shell (1), and a pressure deformation device is arranged in the shell (1); a transmission indicating mechanism (6) and an output module (7) which are connected with the pressure deformation device are arranged in the gauge outfit (5); the transmission indicating mechanism (6) displays pressure deformation through a mechanical dial, and the output module (7) converts the pressure deformation into an electric signal through an angle sensor and transmits the electric signal to the remote transmission terminal.

2. The remote transmission shock-resistant pressure gauge according to claim 1, characterized in that the pressure deformation device comprises a diaphragm group (3) and a fork spring (4) which are arranged in a shell (1), and the fork spring (4) is connected with the transmission indicating mechanism (6).

3. The remote shock-resistant pressure gauge according to claim 2, characterized in that a sealing gasket (2) is arranged in the housing (1).

4. A remote shock resistant pressure gauge according to claim 2, characterized in that the fork (4) is a fork made of spring steel.

5. The remote shock resistant pressure gauge according to claim 1, characterized in that the transmission indicating mechanism (6) comprises: the watch comprises a movement, a bushing and a pointer connected with the movement, wherein the movement and the bushing are arranged in a gauge head (5).

6. The remote shock-resistant pressure gauge according to claim 5, characterized in that the output module (7) comprises: the pressure sensor pressure sensing element is arranged on the machine spindle, and the other end of the pressure sensor pressure sensing element is arranged in the bushing; the output end of the pressure sensor pressure sensing element is connected with a micro-control circuit, and the output end of the micro-control circuit is connected with the terminal.

7. The remote sensing anti-vibration pressure gauge according to claim 6, wherein the pressure sensor pressure sensing element is a magnetic steel mounted on a mandrel.

8. The remote sensing anti-shock pressure gauge of claim 6 or 7, wherein the micro-control circuit comprises: the system comprises an amplifying circuit and a V/I conversion circuit, wherein the V/I conversion circuit transmits signals to a terminal for display through an output circuit and a communication module.

9. The remote sensing shock resistant pressure gauge of claim 8, wherein the output current of the output circuit is 4mA-20mA.