Laboratory pressure monitoring alarm device

Abstract

The utility model provides a laboratory pressure monitoring alarm device which comprises an air inlet pressure gauge, a pressure sensor is arranged at one end of the air inlet pressure gauge, a high-pressure hose is arranged at the bottom of the air inlet pressure gauge, a winding structure is arranged on the inner side of the high-pressure hose, and a one-way valve is arranged at one end of the high-pressure hose. A steel cylinder is arranged at one end of the one-way valve. The pressure of gas in the steel cylinder can be detected through the gas inlet pressure gauge and the pressure sensor, the low-pressure alarm monitoring host is installed in a master control room or a manager office or other positions and is fixed in a threaded mode, and when the pressure of the steel cylinder is insufficient, the pressure is detected by the gas inlet pressure gauge and the pressure sensor, and the pressure of the gas in the steel cylinder is detected by the gas inlet pressure gauge and the pressure sensor. A signal is transmitted to the low-pressure alarm host, then the low-pressure alarm host sends out a sound-light alarm to inform a manager, the liquid crystal display screen can be used for the manager to check the pressure in the steel cylinder in real time, and a short message is sent to inform the manager through signal transmission.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental gas, and in particular relates to a laboratory pressure monitoring and alarm device. Background Art

[0002] At present, with the development of science and technology and the increase in laboratory instruments, various gases are needed. The proportion of gas consumption of some laboratory instruments is very large (for example: ICP, ICP-MS, etc.), and the frequency of replacing gas cylinders has also increased. However, each time the cylinder is replaced, it is necessary to remove it separately with a connecting pipe, and then test the pressure in the cylinder to determine the remaining amount of gas in the cylinder. However, when the cylinder is removed and tested, there is still a lot of gas left in the cylinder and the cylinder needs to be installed back, resulting in the inability to accurately determine the remaining amount of gas in the cylinder. Utility Model Content

[0003] Purpose of the utility model

[0004] In view of the above technical problems, the utility model provides a laboratory pressure monitoring alarm device to solve the technical problems mentioned in the background technology.

[0005] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is a laboratory pressure monitoring alarm device, comprising a shell, a first-stage pressure reducing valve is arranged in the middle of the shell, an air inlet pressure gauge is arranged on one side of the first-stage pressure reducing valve, a second air outlet pressure gauge is arranged on the other side of the first-stage pressure reducing valve, and a first air outlet pressure gauge is arranged on the top of the shell;

[0006] An air intake pressure gauge, wherein a pressure sensor is disposed at one end of the air intake pressure gauge, a high-pressure hose is disposed at the bottom of the air intake pressure gauge, a winding structure is disposed inside the high-pressure hose, a one-way valve is disposed at one end of the high-pressure hose, a steel cylinder is disposed at one end of the one-way valve, and a second drain ball valve is disposed at the top of the air intake pressure gauge;

[0007] A low-pressure alarm host is arranged on the outside of a wall, a display screen is arranged on the outside of the low-pressure alarm host, and the low-pressure alarm host is electrically connected to a pressure sensor.

[0008] Preferably, an air outlet control valve is provided at the top of the first air outlet pressure gauge, and a first drain ball valve is provided at the top of the second air outlet pressure gauge.

[0009] Preferably, the winding structure comprises a mounting shaft and a mounting ring, two ends of the mounting shaft are provided with planar volute springs, and two ends of the mounting shaft are provided with side plates.

[0010] Preferably, an inner plate is provided on the inner wall of the mounting ring, an outer wall of the inner plate is connected to the side plate, and an inner wall of the inner plate is connected to the planar spiral spring.

[0011] Preferably, a rotating shaft is rotatably connected inside the mounting ring, a positioning ball is provided at the bottom of the rotating shaft, and a fixing ring is provided at the top of the rotating shaft.

[0012] Preferably, the rotating wheels on both sides of the opening of the fixed ring are connected to a rotating shaft, a return spring is provided at one end of the rotating shaft, one end of the return spring is connected to the fixed ring, a pressure plate is provided on the outer wall of the return spring, and the inner wall of the fixed ring is in contact with the outer wall of the high-pressure hose. Beneficial Effects

[0013] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0014] The utility model can detect the pressure of the gas in the cylinder by setting the intake pressure gauge and the pressure sensor. The low-pressure alarm monitoring host is installed in the main control room or the manager's office and fixed by thread. When the cylinder pressure is insufficient, it is detected by the intake pressure gauge and the pressure sensor, so that the signal is transmitted to the low-pressure alarm host, and then the low-pressure alarm host will send out an audible and visual alarm to notify the manager. The LCD display screen can be used for the manager to view the pressure in the cylinder in real time, and send a text message to notify the manager through signal transmission;

[0015] The high-pressure hose is wound around the inside of the winding structure. One end of the high-pressure hose is connected to the air intake pressure gauge through a rotating sealing ring, and the other end is connected to a one-way valve. When the high-pressure hose is transporting gas, the winding structure can prevent the high-pressure hose from being bent too much, causing creases in the high-pressure hose and causing damage to the high-pressure hose, and excess high-pressure hoses can be stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the winding structure of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the installation ring of the utility model;

[0019] Figure 4 It is a three-dimensional cross-sectional view of the winding structure of the utility model.

[0020] Attached photos

[0021] 1. Shell; 2. First-stage pressure reducing valve; 3. Inlet pressure gauge; 4. Pressure sensor; 5. High-pressure hose; 6. Winding structure; 601. Mounting shaft; 602. Plane scroll spring; 603. Side plate; 604. Mounting ring; 605. Inner plate; 606. Rotating shaft; 607. Positioning ball; 608. Fixed ring; 609. Rotating shaft; 610. Reset spring; 611. Pressing plate; 7. Check valve; 8. Cylinder; 9. First outlet pressure gauge; 10. Outlet control valve; 11. Second outlet pressure gauge; 12. First drain ball valve; 13. Second drain ball valve; 14. Display screen; 15. Low-pressure alarm host. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "two ends", "both sides" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Reference is now made to the accompanying drawings, in which the purpose of each illustration is only to show certain exemplary embodiments, and is not intended to limit the present invention. In each of the drawings, the same reference numerals represent the same or corresponding parts. The dimensions and proportions in each of the drawings are also only for illustration and should not be interpreted as limiting the present invention. These dimensions may be enlarged relative to the actual product.

[0026] Reference Figure 1-Figure 4 , a laboratory pressure monitoring and alarm device shown in the figure comprises a housing 1, a first-stage pressure reducing valve 2 is arranged in the middle of the housing 1, an inlet pressure gauge 3 is arranged on one side of the first-stage pressure reducing valve 2, a second outlet pressure gauge 11 is arranged on the other side of the first-stage pressure reducing valve 2, and a first outlet pressure gauge 9 is arranged on the top of the housing 1;

[0027] An intake pressure gauge 3, a pressure sensor 4 is provided at one end of the intake pressure gauge 3, a high-pressure hose 5 is provided at the bottom of the intake pressure gauge 3, a winding structure 6 is provided inside the high-pressure hose 5, a one-way valve 7 is provided at one end of the high-pressure hose 5, a steel cylinder 8 is provided at one end of the one-way valve 7, and a second drain ball valve 13 is provided at the top of the intake pressure gauge 3;

[0028] A low-pressure alarm host 15 is arranged on the outside of the wall. A display screen 14 is arranged on the outside of the low-pressure alarm host 15 . The low-pressure alarm host 15 is electrically connected to the pressure sensor 4 .

[0029] Furthermore, in the above technical solution, an air outlet control valve 10 is arranged on the top of the first air outlet pressure gauge 9, and a first drain ball valve 12 is arranged on the top of the second air outlet pressure gauge 11. The first drain ball valve 12 can be opened and closed to discharge the gas in the internal pipeline of the shell 1.

[0030] Furthermore, in the above technical solution, the winding structure 6 includes a mounting shaft 601 and a mounting ring 604, flat spiral springs 602 are provided at both ends of the mounting shaft 601, side plates 603 are provided at both ends of the mounting shaft 601, the mounting shaft 601 is connected to the wall by bolts, and then a mounting ring 604 is provided on the outer wall of the mounting shaft 601 for winding up the high-pressure hose 5.

[0031] Furthermore, in the above technical solution, the inner wall of the mounting ring 604 is provided with an inner plate 605, the outer wall of the inner plate 605 is connected to the side plate 603, and the inner wall of the inner plate 605 is connected to the planar scroll spring 602. When the mounting ring 604 is pulled and rotated, the mounting ring 604 squeezes the planar scroll spring 602, so that the mounting ring 604 can loosen the high-pressure hose 5 from the inside of the fixing ring 608 and take out the high-pressure hose 5.

[0032] Furthermore, in the above technical solution, the internal rotation of the mounting ring 604 is connected with a rotating shaft 606, a positioning ball 607 is provided at the bottom of the rotating shaft 606, a fixing ring 608 is provided at the top of the rotating shaft 606, and the rotating wheels on both sides of the opening of the fixing ring 608 are connected with a rotating shaft 609, one end of the rotating shaft 609 is provided with a return spring 610, one end of the return spring 610 is connected to the fixing ring 608, and a pressure plate 611 is provided on the outer wall of the return spring 610, and the inner wall of the fixing ring 608 is in contact with the outer wall of the high-pressure hose 5. Installing the high-pressure hose 5 to the inner wall of the fixing ring 608 can place each circle of the high-pressure hose 5 separately, and can avoid the high-pressure hose 5 from bending too much. The angle caused by the high-pressure hose 5 is too large to cause creases on the surface of the high-pressure hose 5.

[0033] How this utility works:

[0034] Refer to the instruction manual Figure 1-Figure 4 First, when the gas in the steel cylinder 8 needs to be used, the steel cylinder 8 is connected to the winding structure 6, and then the steel cylinder 8 is opened to allow the internal gas to pass through the air intake pressure gauge 3. The air intake pressure gauge 3 and the pressure sensor 4 detect the gas pressure. When the gas pressure in the steel cylinder 8 is low, the air intake pressure gauge 3 and the pressure sensor 4 output other pressure signals in the steel cylinder 8 to the low-pressure alarm host 15, and the low-pressure alarm host 15 sounds an alarm. The low-pressure alarm host 15 is internally provided with an SMS signal transmission device for binding with a mobile phone number so that the pressure signal can be sent via text messages. When the pressure in the steel cylinder 8 is normal, the gas passes through the first-level pressure reducing valve 2 and is discharged through the air outlet control valve 10 for use;

[0035] When the high-pressure hose 5 is needed to connect the long-distance cylinder 8, the high-pressure hose 5 is pulled outward, the high-pressure hose 5 is detached from the inside of the fixing ring 608 and aligned, and the mounting ring 604 is driven to rotate, so that the mounting ring 604 loosens the high-pressure hose 5, and the mounting ring 604 squeezes the planar volute spring 602 to straighten the high-pressure hose 5 to avoid a large bending angle between the high-pressure hose 5, and when the high-pressure hose 5 is detached from the cylinder 8, the planar volute spring 602 is reset to drive the high-pressure hose 5 to be rewound around the outer wall of the fixing ring 608.

[0036] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. Laboratory pressure monitoring alarm device, characterized in that: include A housing (1), wherein a first-stage pressure reducing valve (2) is arranged in the middle of the housing (1), an air inlet pressure gauge (3) is arranged on one side of the first-stage pressure reducing valve (2), a second air outlet pressure gauge (11) is arranged on the other side of the first-stage pressure reducing valve (2), and a first air outlet pressure gauge (9) is arranged on the top of the housing (1); An air intake pressure gauge (3), wherein a pressure sensor (4) is provided at one end of the air intake pressure gauge (3), a high-pressure hose (5) is provided at the bottom of the air intake pressure gauge (3), a winding structure (6) is provided inside the high-pressure hose (5), a one-way valve (7) is provided at one end of the high-pressure hose (5), a steel cylinder (8) is provided at one end of the one-way valve (7), and a second drain ball valve (13) is provided at the top of the air intake pressure gauge (3); A low-pressure alarm host (15), the low-pressure alarm host (15) being arranged on the outside of a wall, a display screen (14) being arranged on the outside of the low-pressure alarm host (15), and the low-pressure alarm host (15) being electrically connected to a pressure sensor (4).

2. The laboratory pressure monitoring alarm device according to claim 1, characterized in that: An air outlet control valve (10) is arranged on the top of the first air outlet pressure gauge (9), and a first drain ball valve (12) is arranged on the top of the second air outlet pressure gauge (11).

3. The laboratory pressure monitoring alarm device according to claim 1, characterized in that: The winding structure (6) comprises a mounting shaft (601) and a mounting ring (604), two ends of the mounting shaft (601) are provided with planar spiral springs (602), and two ends of the mounting shaft (601) are provided with side plates (603).

4. The laboratory pressure monitoring and alarm device according to claim 3 is characterized in that: An inner plate (605) is provided on the inner wall of the mounting ring (604); an outer wall of the inner plate (605) is connected to the side plate (603); and an inner wall of the inner plate (605) is connected to the planar spiral spring (602).

5. The laboratory pressure monitoring and alarm device according to claim 3 is characterized in that: The interior of the mounting ring (604) is rotatably connected to a rotating shaft (606), a positioning ball (607) is provided at the bottom of the rotating shaft (606), and a fixing ring (608) is provided at the top of the rotating shaft (606).

6. The laboratory pressure monitoring alarm device according to claim 5, characterized in that: The rotating wheels on both sides of the opening of the fixed ring (608) are connected to a rotating shaft (609), one end of the rotating shaft (609) is provided with a return spring (610), one end of the return spring (610) is connected to the fixed ring (608), the outer wall of the return spring (610) is provided with a pressure plate (611), and the inner wall of the fixed ring (608) is in contact with the outer wall of the high-pressure hose (5).

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