CN218916653U

CN218916653U - Pressure digital display meter with dangerous alarm effect

Info

Publication number: CN218916653U
Application number: CN202223109803.XU
Authority: CN
Inventors: 杨万水
Original assignee: Changqi Shanghai Instrument Co ltd
Current assignee: Changqi Shanghai Instrument Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-25
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a pressure digital display meter with a dangerous alarm effect, and relates to the technical field of pressure digital display meters. The device comprises a dial, wherein an air inlet pipe is fixedly arranged at the bottom of the dial, a buffer device is arranged at the inlet end of the air inlet pipe, and the buffer device comprises an installation box and an air duct; the top of the mounting box is fixedly connected with the air inlet pipe and communicated with the inlet end of the air inlet pipe, the air duct is fixedly arranged at the bottom of the mounting box, the bottom of the inner side of the mounting box is provided with a flow dividing cavity, and the flow dividing cavity is communicated with the air duct. The utility model can slow down the flow rate of the gas through the buffer device, thereby reducing the speed of the high-pressure gas entering the dial plate, and protecting the dial plate.

Description

Pressure digital display meter with dangerous alarm effect

Technical Field

The utility model belongs to the technical field of pressure digital display meters, and particularly relates to a pressure digital display meter with a dangerous alarm effect.

Background

The pressure gauge is mainly used for monitoring the working pressure of media filled in a pressurized container, a pipeline and the like so as to properly control the pressurized capacity and protect the safety of equipment, or by grasping pressure parameters, a reliable basis is provided for operators to monitor, control and adjust production, and the currently commonly used pressure digital display gauge only has the function of observing and measuring the pressure and has few protection functions on the pressure digital display gauge, so that the pressure digital display gauge is extremely easy to damage;

in this regard, the chinese patent application No. CN201620505897.8 discloses a "pressure digital display meter with a dangerous alarm function", which comprises a dial, the front side of the dial is provided with a display, the lower side of the display is provided with a dangerous gas detection device and an alarm device, the upper side of the display is provided with a pressure limiting adjusting button, the inside of the dial is provided with a circuit board connected with the display, the circuit board is provided with a wireless communication module, the lower end of the circuit board is provided with a pressure sensitive element, the lower end of the pressure sensitive element is provided with an input tube, the input tube is provided with a buffer device, and the inside of the buffer device is provided with a buffer ball ";

the patent buffers high-pressure gas through the buffer ball in the buffer device, and the buffer ball has little gas diversion effect on some pressure increase, and because the aperture of the buffer hole in the buffer ball is smaller, when the buffer ball is in diversion, the pressure increase in the buffer hole partially results, not only does not play the effect of balancing the pressure, but also results in damage of the buffer ball.

Disclosure of Invention

The utility model aims to provide a pressure digital display meter with a dangerous alarm effect, which solves the problem of poor shunting effect of the existing high-pressure gas through the matching of a buffer piece and a plurality of flow dividing plates.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a pressure digital display meter with a dangerous alarm effect, which comprises a dial plate, wherein an air inlet pipe is fixedly arranged at the bottom of the dial plate, a buffer device is arranged at the inlet end of the air inlet pipe, and the buffer device comprises an installation box and an air guide pipe; the top of mounting box and intake pipe fixed connection, and communicate with each other with the intake pipe entrance point, air duct fixed mounting is in the bottom of mounting box, the inside bottom of mounting box has seted up the reposition of redundant personnel chamber, reposition of redundant personnel chamber communicates with each other with the air duct.

Further, one end outside the dial plate is fixedly provided with a dangerous gas detection device, the other end outside the dial plate is fixedly provided with an alarm, and the dangerous gas detection device is in signal connection with the alarm.

Further, a plurality of flow dividing plates are fixedly arranged on the inner side of the flow dividing cavity, and the flow dividing plates are distributed at equal intervals along the vertical direction and are of inclined structures.

Further, a buffer cavity is formed in the inner side of the installation box and is communicated with the diversion cavity, and a buffer piece is arranged in the inner side of the buffer cavity so as to buffer gas.

Further, the cushioning member includes a piston plate and a spring; the top of spring fixed mounting is on the roof of cushion chamber inboard, piston board slidable mounting is in the cushion chamber, and with the bottom fixed connection of spring, the gas outlet groove has been seted up on the inner wall in cushion chamber.

Further, a flow guide cavity is formed in the top end of the inner side of the installation box, the flow guide cavity is communicated with the air outlet groove and the air inlet pipe, and a flow guide plate is fixedly installed on the top end of the flow guide cavity.

Further, a flow guiding piece is arranged on the inner side of the flow guiding cavity, and comprises a rotating roller, a rotating shaft and a plurality of flow guiding blades; the rotating roller is fixedly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the inner side of the flow guide cavity, and the plurality of flow guide blade plates are fixedly arranged on the rotating roller and distributed around the rotating roller at equal intervals.

The utility model has the following beneficial effects:

1. according to the utility model, under the guiding action of the plurality of flow dividing plates, gas enters the buffer cavity along a plurality of directions, and as the heights and the lengths of the plurality of flow dividing plates are different, the time for leading the gas on different flow dividing plates into the buffer cavity is different, so that the gas flow in unit time of the buffer cavity is greatly reduced, the pressure of the buffer cavity when the gas is led in is further reduced, and the buffer part can be protected;

2. according to the utility model, the gas led out through the gas outlet grooves acts on the guide vane plates to enable the rotating roller to rotate, and finally, the gas is led into the gas inlet pipe under the guidance of the guide vane plates, so that the rotating roller can slow down the flow rate of the gas, and further, the speed of the high-pressure gas entering the dial plate can be reduced, and the dial plate can be protected.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present 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 pressure digital display meter with hazard warning effect;

FIG. 2 is a schematic diagram of a buffering device of a pressure digital display meter with a hazard warning effect;

FIG. 3 is a schematic diagram of a flow guide of a pressure digital display meter with hazard warning effect;

FIG. 4 is a schematic diagram of a buffer of a pressure digital display meter with hazard warning effect;

in the drawings, the list of components represented by the various numbers is as follows:

dial 1, hazardous gas detection device 2, alarm 3, intake pipe 4, buffer device 5, mounting case 51, gas duct 52, diversion chamber 53, diversion plate 54, buffer chamber 55, diversion member 56, rotating roller 561, rotating shaft 562, diversion blade 563, diversion plate 57, buffer member 58, piston plate 582, spring 583, gas outlet groove 584, diversion chamber 50, and method of manufacturing the same,

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses a pressure digital display meter with a dangerous alarm effect, which comprises a dial plate 1, wherein an air inlet pipe 4 is fixedly arranged at the bottom of the dial plate 1, a buffer device 5 is arranged at the inlet end of the air inlet pipe 4, and the buffer device 5 comprises an installation box 51 and an air guide pipe 52; the top end of the mounting box 51 is fixedly connected with the air inlet pipe 4 and communicated with the inlet end of the air inlet pipe 4, the air guide pipe 52 is fixedly arranged at the bottom of the mounting box 51, the bottom end of the inner side of the mounting box 51 is provided with a flow dividing cavity 53, and the flow dividing cavity 53 is communicated with the air guide pipe 52; one end outside the dial plate 1 is fixedly provided with a dangerous gas detection device 2, the other end outside the dial plate 1 is fixedly provided with an alarm 3, and the dangerous gas detection device 2 is in signal connection with the alarm 3. The air duct 52 is used for guiding gas into the buffer device 5, when dangerous gas appears in the room, the dangerous gas detection device 2 can detect the existence of dangerous gas, then the dangerous gas detection device 2 sends a signal to a corresponding controller, and then the controller controls the alarm 3 to give an alarm to remind workers to process in time.

A plurality of flow dividing plates 54 are fixedly arranged on the inner side of the flow dividing cavity 53, the flow dividing plates 54 are equidistantly distributed in the vertical direction and are of an inclined structure, a buffer cavity 55 is formed on the inner side of the mounting box 51, the buffer cavity 55 is communicated with the flow dividing cavity 53, and a buffer piece 58 is arranged on the inner side of the buffer cavity 55 so as to buffer gas; cushioning member 58 comprises piston plate 582 and spring 583; the top end of the spring 583 is fixedly arranged on the top wall of the inner side of the buffer cavity 55, the piston plate 582 is slidably arranged in the buffer cavity 55 and is fixedly connected with the bottom end of the spring 583, and an air outlet groove 584 is formed in the inner wall of the buffer cavity 55; after the high-pressure gas is introduced into the flow distribution chamber 53 by the gas guide pipe 52, the gas is led into the buffer chamber 55 along a plurality of directions by the guiding action of the plurality of flow distribution plates 54, and the time for introducing the gas into the buffer chamber 55 on different flow distribution plates 54 is different due to the different heights and lengths of the plurality of flow distribution plates 54, so that the gas flow in the unit time of the buffer chamber 55 is greatly reduced, the pressure when the gas is introduced into the buffer chamber 55 is reduced, and the buffer member 58 can be protected.

The top of the inner side of the mounting box 51 is provided with a flow guide cavity 50, the flow guide cavity 50 is communicated with the air outlet groove 584 and the air inlet pipe 4, and the top of the flow guide cavity 50 is fixedly provided with a flow guide plate 57; the inner side of the diversion cavity 50 is provided with a diversion piece 56, and the diversion piece 56 comprises a rotating roller 561, a rotating shaft 562 and a plurality of diversion blades 563; the rotating roller 561 is fixedly arranged on the rotating shaft 562, the rotating shaft 562 is rotatably arranged on the inner side of the diversion cavity 50, and the diversion blades 563 are fixedly arranged on the rotating roller 561 and are equidistantly distributed around the rotating roller 561.

One specific application of this embodiment is: firstly, high-pressure gas is led into the flow distribution cavity 53 through the gas guide pipe 52, and then the gas enters the buffer cavity 55 along a plurality of directions under the guiding action of the plurality of flow distribution plates 54, and the gas flow rate in the buffer cavity 55 per unit time is greatly reduced because the heights and the lengths of the plurality of flow distribution plates 54 are different, so that the time for leading the gas on the different flow distribution plates 54 into the buffer cavity 55 is different;

after the gas is introduced into the buffer cavity 55, the pressure in the buffer cavity 55 is increased, so that the piston plate 582 acts on the spring 583 to move upwards, the spring 583 generates reverse elastic force to balance the gas pressure, when the piston plate 582 moves above the gas outlet groove 584, the gas outlet groove 584 can guide the gas into the flow guiding cavity 50, the gas guided out of the gas outlet groove 584 can act on the flow guiding blade 563 to enable the rotating roller 561 to rotate, and finally, the gas is guided into the air inlet pipe 4 by the flow guiding blade 563, the rotating roller 561 can rotate to slow down the flow speed of the gas, so that the speed of the high-pressure gas entering the dial 1 can be reduced, and the dial 1 can be protected.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A pressure digital display table with dangerous alarm effect, its characterized in that: the intelligent air inlet device comprises a dial plate (1), wherein an air inlet pipe (4) is fixedly arranged at the bottom of the dial plate (1), a buffer device (5) is arranged at the inlet end of the air inlet pipe (4), and the buffer device (5) comprises a mounting box (51) and an air guide pipe (52); the top of the installation box (51) is fixedly connected with the air inlet pipe (4) and communicated with the inlet end of the air inlet pipe (4), the air guide pipe (52) is fixedly installed at the bottom of the installation box (51), the bottom of the inner side of the installation box (51) is provided with a flow distribution cavity (53), and the flow distribution cavity (53) is communicated with the air guide pipe (52).

2. The pressure digital display meter with the dangerous alarm effect according to claim 1, wherein one end of the outer side of the dial plate (1) is fixedly provided with a dangerous gas detection device (2), the other end of the outer side of the dial plate (1) is fixedly provided with an alarm (3), and the dangerous gas detection device (2) is in signal connection with the alarm (3).

3. The pressure digital display meter with the dangerous alarm effect according to claim 1, wherein a plurality of flow dividing plates (54) are fixedly arranged on the inner side of the flow dividing cavity (53), and the flow dividing plates (54) are equidistantly distributed along the vertical direction and are of an inclined structure.

4. A pressure digital display meter with a dangerous alarm effect according to claim 3, characterized in that a buffer cavity (55) is formed inside the installation box (51), the buffer cavity (55) is communicated with the shunt cavity (53), and a buffer piece (58) is installed inside the buffer cavity (55) to buffer gas.

5. A pressure digital display with hazard warning effect according to claim 4, characterized in that the buffer (58) comprises a piston plate (582) and a spring (583); the top end of the spring (583) is fixedly arranged on the top wall of the inner side of the buffer cavity (55), the piston plate (582) is slidably arranged in the buffer cavity (55) and is fixedly connected with the bottom end of the spring (583), and an air outlet groove (584) is formed in the inner wall of the buffer cavity (55).

6. The pressure digital display meter with the dangerous alarm effect according to claim 5, wherein a flow guiding cavity (50) is formed in the top end of the inner side of the installation box (51), the flow guiding cavity (50) is communicated with the air outlet groove (584) and the air inlet pipe (4), and a flow guiding plate (57) is fixedly arranged at the top end of the flow guiding cavity (50).

7. The pressure digital display meter with the dangerous alarm effect according to claim 6, wherein a flow guiding piece (56) is installed on the inner side of the flow guiding cavity (50), and the flow guiding piece (56) comprises a rotating roller (561), a rotating shaft (562) and a plurality of flow guiding blades (563); the rotating roller (561) is fixedly arranged on the rotating shaft (562), the rotating shaft (562) is rotatably arranged on the inner side of the flow guide cavity (50), and the plurality of flow guide blades (563) are fixedly arranged on the rotating roller (561) and are distributed around the rotating roller (561) at equal intervals.