CN217386933U

CN217386933U - Intelligent pressure switch

Info

Publication number: CN217386933U
Application number: CN202221379880.4U
Authority: CN
Inventors: 燕永成; 崔卫
Original assignee: Sterford Measurement And Control Technology Shanghai Co ltd
Current assignee: Sterford Measurement And Control Technology Shanghai Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-06
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses an intelligent pressure switch, which comprises a core body base, a core body, a switching seat, a pressure circuit board, a display screen and a shell; the core is arranged inside the core base; the lower part of the adapter is inserted into the core body base and fixed with the core body; the pressure circuit board is fixed on the upper part of the adapter; the shell covers the adapter, the display screen is arranged on the shell, and the display screen is connected with the pressure circuit board through a wire; the bottom of the core body base is provided with a pressure-resistant protection pipe, and the inside of the pressure-resistant protection pipe is communicated with the inside of the core body base; and a resistance strain gauge is arranged in the pressure-resistant protection tube and is connected with the pressure circuit board through a compensation wire penetrating through the core body. The utility model discloses its shell can rotate, makes the display screen as the gauge outfit can not be because of the installation problem, and the problem that appears being difficult to observe.

Description

Intelligent pressure switch

Technical Field

The utility model belongs to the technical field of temperature switch, especially, relate to an intelligent pressure switch.

Background

At present, a meter head of an existing intelligent pressure switch cannot rotate by 180 degrees forwards and backwards, and when the intelligent pressure switch is installed and a mechanical interface is screwed down, the meter head possibly faces back to an observed object, so that an observer cannot observe the intelligent pressure switch easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to above-mentioned prior art provides an intelligent pressure switch, and its shell can rotate, makes the display screen as the gauge outfit can not be because of the installation problem, and the problem that appears being difficult to observe.

In order to solve the technical problem, the utility model discloses a technical scheme is: the intelligent pressure switch comprises a core body base, a core body, a switching seat, a pressure circuit board, a display screen and a shell; the core is arranged inside the core base; the lower part of the adapter is inserted into the core body base and fixed with the core body; the pressure circuit board is fixed on the upper part of the adapter; the shell is covered on the adapter, the display screen is arranged on the shell, and the display screen is connected with the pressure circuit board through a wire; the bottom of the core body base is provided with a pressure-resistant protection pipe, and the inside of the pressure-resistant protection pipe is communicated with the inside of the core body base; and a resistance strain gauge is arranged in the pressure-resistant protection tube and is connected with the pressure circuit board through a compensation wire penetrating through the core body.

Above-mentioned intelligent pressure switch, the connector is installed to the lateral part of shell, connector and pressure circuit board pass through the wire and connect.

Above-mentioned intelligent pressure switch, the lower part diameter of core base is less than the middle part diameter, the transition department cover in the lower part of core base and middle part is equipped with the ED sealing washer.

Above-mentioned intelligent pressure switch, be provided with first O type sealing washer between the inner wall at adapter outer wall and core base top.

In the intelligent pressure switch, the inner ring at the bottom of the shell is connected with the outer wall of the adapter through the earless retainer ring.

According to the intelligent pressure switch, the pressure circuit board is mounted on the adapter through the screw.

In the intelligent pressure switch, the white bottom surface sticker is pasted around the display area of the display screen.

Above-mentioned intelligent pressure switch, the outside of display screen is provided with transparent protective housing.

Compared with the prior art, the utility model has the following advantage: the utility model discloses a set up the core, make and to rotate between core and the core base, further based on the core install adapter, pressure circuit board and shell etc. on it to after the core pedestal mounting is fixed at measuring position, can drive rotation such as adapter, core and pressure circuit board through rotating the shell, let the display screen of installing on the shell can a plurality of angles rotate, make things convenient for the observer to observe.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Description of reference numerals:

1-a core base; 2-ED sealing ring; 3-a core body;

4, a transfer seat; 5-a first O-ring seal; 6-no ear check ring;

7-second O-ring seal; 8-a gasket; 9-a screw;

10-a pressure circuit board; 11-a housing; 12-a transparent protective shell;

13-white bottom surface paste; 14-a display screen; 15-pressure resistant protective tube;

16-connector.

Detailed Description

As shown in fig. 1 and fig. 2, an intelligent pressure switch includes a core base 1, a core 3, an adapter 4, a pressure circuit board 10, a display 14 and a housing 11; the core body 3 is arranged inside the core body base 1; the lower part of the adapter 4 is inserted into the core body base 1 and fixed with the core body 3; the pressure circuit board 10 is fixed on the upper part of the adapter 4; the shell 11 covers the adapter 4, the display screen 14 is mounted on the shell 11, and the display screen 14 is connected with the pressure circuit board 10 through a wire; a pressure-resistant protection pipe 15 is arranged at the bottom of the core body base 1, and the inside of the pressure-resistant protection pipe 15 is communicated with the inside of the core body base 1; a resistance strain gauge is arranged in the pressure-resistant protection tube 15 and is connected with the pressure circuit board 10 through a compensation wire penetrating through the core body 3.

In this embodiment, a connector 16 is mounted on a side portion of the housing, and the connector 16 and the pressure circuit board 10 are connected by a wire.

In this embodiment, the diameter of the lower portion of the core base 1 is smaller than the diameter of the middle portion, and an ED sealing ring 2 is sleeved at the transition between the lower portion and the middle portion of the core base 1.

It should be noted that, the purpose of providing the ED sealing ring 2 is that, after the pressure protection tube 15 is inserted into the pressure measurement position, the bottom of the core body base 1 is installed with the interface of the pressure measurement position, the interface is sealed by the middle portion of the core body base 1, and the interface can be better sealed by providing the ED sealing ring 2 here.

In this embodiment, a first O-ring seal 5 is disposed between the outer wall of the adapter 4 and the inner wall of the top of the core body base 1.

And a plurality of second O-shaped sealing rings 7 and a plurality of gaskets 8 are further arranged between the outer wall of the adapter 4 and the inner wall of the shell 11.

In this embodiment, the inner ring at the bottom of the housing 11 is connected with the outer wall of the adapter 4 through the earless retaining ring 6.

In this embodiment, the pressure circuit board 10 is mounted on the adapter 4 by screws 9.

In this embodiment, a white bottom sticker 13 is attached around the display area of the display screen 14.

In this embodiment, a transparent protective casing 12 is disposed outside the display screen 14.

The utility model discloses during the use, with 15 cartridges of pressure-resistant protection tube to the pressure measurement position to with the bottom of core base 1 and the interface installation of pressure measurement position, after the installation is accomplished, rotate shell 11 as required, make display screen 14 and connector 16 in convenient position, rotate the in-process, adapter 4 and core 3 rotate in step.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims

1. Intelligent pressure switch, its characterized in that: the pressure circuit board comprises a core body base, a core body, a switching seat, a pressure circuit board, a display screen and a shell; the core is arranged inside the core base; the lower part of the adapter is inserted into the core body base and fixed with the core body; the pressure circuit board is fixed on the upper part of the adapter; the shell is covered on the adapter, the display screen is arranged on the shell, and the display screen is connected with the pressure circuit board through a wire; the bottom of the core body base is provided with a pressure-resistant protection pipe, and the inside of the pressure-resistant protection pipe is communicated with the inside of the core body base; and a resistance strain gauge is arranged in the pressure-resistant protection tube and is connected with the pressure circuit board through a compensation wire penetrating through the core body.

2. The intelligent pressure switch of claim 1, wherein: and a connector is arranged on the side part of the shell, and the connector is connected with the pressure circuit board through a lead.

3. The intelligent pressure switch of claim 1, wherein: the diameter of the lower part of the core body base is smaller than that of the middle part of the core body base, and ED sealing rings are sleeved at the transition positions of the lower part and the middle part of the core body base.

4. The intelligent pressure switch of claim 1, wherein: a first O-shaped sealing ring is arranged between the outer wall of the adapter and the inner wall of the top of the core body base.

5. The intelligent pressure switch of claim 1, wherein: the inner ring at the bottom of the shell is connected with the outer wall of the adapter through the earless retainer ring.

6. The intelligent pressure switch of claim 1, wherein: the pressure circuit board is installed on the adapter through screws.

7. The intelligent pressure switch of claim 1, wherein: and white bottom surface stickers are pasted around the display area of the display screen.

8. The intelligent pressure switch of claim 1, wherein: and a transparent protective shell is arranged on the outer side of the display screen.