CN212807438U

CN212807438U - Simple barometer

Info

Publication number: CN212807438U
Application number: CN202020095932.XU
Authority: CN
Inventors: 牟晓
Original assignee: Shenzhen Aerte Precision Electronics Co ltd
Current assignee: Shenzhen Aerte Precision Electronics Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2021-03-26
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a thin type barometer, include: barometer body, PCB subassembly, display screen subassembly, the barometer body includes backshell, preceding shell, the top of preceding shell is equipped with display window, key hole respectively, the inside embedding of display window, key hole is equipped with transparent window, silica gel button respectively, the middle part of backshell is run through and is equipped with the pressure air inlet, the activity of pressure air inlet is equipped with the trachea connecting piece, preceding shell, backshell buckle are connected, PCB subassembly activity sets up the inside of barometer body, LED charactron, diffusion barrier top-down set up the upper portion of LCD mount, the activity of display screen subassembly sets up the inside of barometer body is located the upper portion of PCB subassembly. The utility model discloses simple structure, assembly and maintenance are dismantled conveniently, and the leakproofness is good, easy operation, and backshell, preceding shell adopt the chromatography design, and the product is pleasing to the eye, and the stereovision is strong, can realize multiple modes such as panel mounting, support mounting, piping erection.

Description

Simple barometer

Technical Field

The utility model relates to a detect technical field, in particular to retrench type barometer.

Background

In the field of industrial automation, corresponding series of the product can be used on production assembly lines using pneumatic equipment, pneumatic tools and the like, such as an air compressor, a laminating machine and a pneumatic screwdriver, and the product can be particularly used in high-humidity and high-dust environments.

In the rated pressure range, the product can directly replace the original pointer type pressure gauge in most occasions, and has obvious superiority in the aspects of intuition and accuracy of display, reading and the like. Meanwhile, the product also has additional functions which are difficult to realize by a plurality of mechanical meters such as pressure upper/lower limit value monitoring (ON/OFF output), automatic temperature compensation, constant power operation and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, assembly and maintenance are dismantled conveniently, and the leakproofness is good, easy operation's barometer.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a reduced pressure gauge comprising:

the barometer comprises a barometer body, wherein the barometer body comprises a rear shell and a front shell, the top of the front shell is respectively provided with a display window and a key hole, the display window and the key hole are respectively embedded with a transparent window and a silica gel key, the middle part of the rear shell is provided with a pressure air inlet in a penetrating way, the pressure air inlet is movably provided with an air pipe connecting piece, the front shell is movably arranged at the upper part of the rear shell, and the front shell and the rear shell are connected in a buckling way;

the PCB assembly comprises a PCB support, an upper PCB assembly and a lower PCB assembly, the upper PCB assembly and the lower PCB assembly are movably arranged on the upper part of the PCB support, and the PCB assembly is movably arranged inside the barometer body;

the display screen assembly comprises an LCD fixing frame, zebra stripes, a diffusion film and LED nixie tubes, wherein the LED nixie tubes and the diffusion film are arranged on the upper portion of the LCD fixing frame from top to bottom, the zebra stripes are movably arranged on one side of the LED nixie tubes, and the display screen assembly is movably arranged inside the barometer body and located on the upper portion of the PCB assembly.

Preferably, the zebra stripes are flexible circuit boards, and the zebra stripes are respectively electrically connected with the LED nixie tubes and the upper PCB.

Preferably, the lower PCB assembly includes a lower PCB, and a management circuit, a microprocessor and a pressure sensor which are disposed on the lower PCB, wherein the pressure sensor is disposed at a lower portion of the lower PCB, and the microprocessor and the pressure sensor are electrically connected to the lower PCB respectively.

Preferably, the air pipe connector further comprises an O-shaped ring, and the O-shaped ring is movably arranged between the pressure sensor and the air pipe connector.

Preferably, the upper PCB assembly includes an upper PCB and an interface circuit disposed on the upper PCB.

Preferably, the upper PCB assembly and the lower PCB assembly are electrically connected.

Preferably, the upper portion embedding of LCD mount is equipped with first installation position, second installation position, first installation position with the LED charactron phase-match, second installation position runs through and is equipped with a plurality of connecting holes, and is a plurality of the connecting hole with the button corresponds the setting, second installation position with silica gel button phase-match.

Preferably, the upper portion of backshell is equipped with the spacing footpath strip of square wall, the square spacing footpath strip of wall that encloses is located the inboard of backshell outer wall, the embedding of backshell outer wall is equipped with square groove, square groove is a plurality of, and is a plurality of square groove evenly sets up, the square outside of enclosing the spacing footpath strip is equipped with a plurality of pothooks, a plurality of draw-in grooves are established to the lower part of backshell, and is a plurality of the draw-in groove corresponds the pothook sets up.

Preferably, the lower part of preceding shell is equipped with a plurality of square archs, and is a plurality of square archs correspond a plurality of square groove sets up, square archs with square groove phase-match, the outer wall of preceding shell runs through and is equipped with a plurality of square holes, and is a plurality of the square hole corresponds a plurality of the pothook, and is a plurality of the square hole respectively with a plurality of the pothook phase-match.

The beneficial effects of the utility model reside in that:

the utility model discloses simple structure, assembly and maintenance are dismantled conveniently, and the leakproofness is good, and easy operation can realize multiple modes such as panel mounting, support mounting, piping erection, and backshell, preceding shell adopt the chromatography design, and the product is pleasing to the eye, and the stereovision is strong.

Drawings

FIG. 1 is an exploded view of an embodiment of a simplified barometer of the present invention;

fig. 2 is a cross-sectional view of an embodiment of a simplified barometer of the present invention.

In the figure, 1-rear shell, 2-front shell, 3-pressure air inlet, 4-PCB bracket, 5-upper PCB assembly, 6-lower PCB assembly, 7-LCD fixing frame, 8-zebra stripe, 9-diffusion membrane, 10-LED nixie tube, 11-O-shaped ring, 12-pressure sensor, 13-air tube connecting piece, 14-silica gel key and 15-transparent window.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, a reduced type barometer includes:

the barometer comprises a barometer body, wherein the barometer body comprises a rear shell and a front shell, the top of the front shell is respectively provided with a display window and a key hole, the inside of the display window and the inside of the key hole are respectively embedded with a transparent window 15 and a silica gel key 14, the middle part of the rear shell 1 is provided with a pressure air inlet 3 in a penetrating way, the pressure air inlet 3 is movably provided with an air pipe connecting piece, the front shell 2 is movably arranged at the upper part of the rear shell 1, and the front shell 2 and the rear shell 1 are connected in a buckling;

specifically, in this embodiment, the number of the key holes is three, and the three buttons arranged in the three key holes can be preset: user parameters such as pressure display unit, pressure upper limit value, pressure lower limit value, ON/OFF output threshold value, output response time and the like;

the PCB assembly comprises a PCB support 4, an upper PCB assembly 5 and a lower PCB assembly 6, wherein the upper PCB assembly 5 is movably arranged at the upper part of the PCB support 4, the lower PCB assembly 6 is movably arranged at the lower part of the PCB support 4, and the PCB assembly is movably arranged inside the barometer body;

the display screen assembly comprises an LCD fixing frame 7, zebra stripes 8, a diffusion film 9 and LED nixie tubes 10, wherein the LED nixie tubes 10 and the diffusion film 9 are arranged on the upper portion of the LCD fixing frame 7 from top to bottom, the zebra stripes 8 are movably arranged on one side of the LED nixie tubes 10, and the display screen assembly is movably arranged in the barometer body and is located on the upper portion of the PCB assembly.

Specifically, in this embodiment, a dedicated LED nixie tube is used to display information such as different pressure and air pressure units, for example, a current pressure value, a set value, an output state, and the like in real time;

in the preferred embodiment of the present invention, the zebra stripes 8 are flexible circuit boards, and the zebra stripes 8 are electrically connected to the LED nixie tubes 10 and the upper PCB respectively.

The utility model discloses in the preferred embodiment, lower PCB subassembly 6 includes PCB board and sets up management circuit and microprocessor, pressure sensor 12 on PCB board down, and pressure sensor 12 sets up the lower part of PCB board under, microprocessor, pressure sensor 12 respectively with lower PCB board electric connection.

Specifically, in this embodiment, the lower PCB further includes a data collector and a pressure transmitter, and the data collector and the pressure transmitter are electrically connected to the microprocessor, so that the centralized processing of the plurality of pressure collection points can be completed. The device is particularly suitable for large-scale pressure transmission and application occasions of multi-stage pipelines and segmented display and control.

Specifically, in this embodiment, the pressure sensor 12, together with an AMP amplifier circuit in the subsequent stage, detects and amplifies the pressure value, and inputs the pressure value to the microprocessor for calculation.

The utility model discloses in the preferred embodiment, still include O type circle 11, O type circle 11 activity sets up between pressure sensor 12 and trachea connecting piece 13.

Specifically, in the present embodiment, the pressure inlet 3, the pressure sensor 12 and the rear housing are hermetically connected.

The utility model discloses in the preferred embodiment, go up PCB board subassembly 5 and include the PCB board and set up the interface circuit on last PCB board.

Specifically, in this embodiment, the interface circuit, i.e., the switching value output mode, is divided into two interface types, that is, NPN and PNP, and can implement the function of turning on and off the pressure limit value, and is provided with processing links such as fluctuation interference prevention and time delay action.

The utility model discloses in the embodiment of preferred, go up PCB board subassembly 5, lower 6 electric connection of PCB board subassembly.

The utility model discloses in the preferred embodiment, the upper portion embedding of LCD mount 7 is equipped with first installation position, and second installation position, first installation position and LED charactron 10 phase-match, and second installation position runs through and is equipped with a plurality of connecting holes, and a plurality of connecting holes correspond the setting with the button, and second installation position and silica gel button 14 phase-match.

The utility model discloses in the embodiment of the preferred, the upper portion of backshell 1 is equipped with square spacing footpath strip that encloses, and square spacing footpath strip that encloses is located the outer wall of backshell 1 is inboard, the outer wall embedding of backshell 1 is equipped with square groove, and square groove is a plurality of, and a plurality of square groove evenly set up, and square outside of enclosing spacing footpath strip is equipped with a plurality of pothooks, and a plurality of draw-in grooves are established to the lower part of backshell 1, and a plurality of draw-in grooves correspond the pothook sets up.

The utility model discloses in the embodiment of preferred, the lower part of preceding shell 2 is equipped with a plurality of square bulge, and a plurality of square bulge correspond a plurality of square groove settings, square bulge and square groove phase-match, and the outer wall of preceding shell 2 runs through and is equipped with a plurality of square holes, and a plurality of square holes correspond a plurality of pothooks, a plurality of square holes respectively with a plurality of pothook phase-matches.

Specifically, in this embodiment, the rear shell 1 and the front shell 2 are designed in a color register, so that the product is beautiful and has strong layering.

Specifically, in this embodiment, the inside of rear shell 1 is integrative to be equipped with the nut, preceding shell 2 through inside set up with screw hole that the nut matches, rear shell 1 and preceding shell 2 screwed connection.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A reduced pressure gauge, comprising:

the display screen assembly comprises an LCD fixing frame, zebra stripes, a diffusion film and LED nixie tubes, wherein the LED nixie tubes and the diffusion film are arranged on the upper portion of the LCD fixing frame from top to bottom;

the zebra stripes are flexible circuit boards and are respectively electrically connected with the LED nixie tubes and the upper PCB; the lower PCB assembly comprises a lower PCB, a management circuit, a microprocessor and a pressure sensor, wherein the management circuit, the microprocessor and the pressure sensor are arranged on the lower PCB; the O-shaped ring is movably arranged between the pressure sensor and the air pipe connecting piece; the upper PCB assembly comprises an upper PCB and an interface circuit arranged on the upper PCB; the upper PCB assembly and the lower PCB assembly are electrically connected; the upper portion embedding of LCD mount is equipped with first installation position, second installation position, first installation position with the LED charactron phase-match, second installation position runs through and is equipped with a plurality of connecting holes, and is a plurality of the connecting hole with the button corresponds the setting, second installation position with silica gel button phase-match.

2. The simplified barometer as claimed in claim 1, wherein the upper portion of the back case is provided with a square surrounding limiting radial strip, the square surrounding limiting radial strip is located on the inner side of the back case, a square groove is embedded in the back case of the back case, the number of the square grooves is plural, the plurality of the square grooves are uniformly arranged, a plurality of hooks are arranged on the outer portion of the square surrounding limiting radial strip, a plurality of slots are arranged on the lower portion of the back case, and the plurality of slots are arranged corresponding to the hooks.

3. The simplified barometer as claimed in claim 2, wherein the lower portion of the front case has a plurality of square protrusions corresponding to the square grooves, the square protrusions are matched with the square grooves, the rear case of the front case has a plurality of square holes corresponding to the hooks, and the square holes are respectively matched with the hooks.