Pressure alarm device of natural gas storage equipment
By designing a pressure alarm device for natural gas storage equipment including detection unit and regulation unit, the problem of the lack of on-site alarm and regulation functions of existing pressure gauge is solved, and rapid detection and alarm of internal pressure of natural gas storage equipment is realized, and the Pressure threshold adjustment function improves safety performance.
Patent Information
- Application Number
- CN202420841184.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing pressure gauge lacks on-site alarm function in natural gas storage equipment, and cannot provide abnormal alarm information to staff in a timely manner, and cannot adjust the pressure threshold, which can easily lead to excessive pressure and cause accidents.
A pressure alarm device for a natural gas storage device is designed, including a detection unit and a regulating unit. The detection unit can quickly detect and alarm excessive pressure through the pneumatic plate, touch rod and touch switch; the adjustment unit can adjust the pressure threshold by adjusting the shaft, bevel gear and screw.
It realizes rapid detection and alarm of internal pressure of natural gas storage equipment, provides pressure threshold adjustment function, improves safety performance, and avoids accidents caused by excessive pressure.
Smart Images

Figure CN222503517U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of natural gas equipment, in particular to a pressure alarm device for natural gas storage equipment. Background Art
[0002] As a field indicating instrument for measuring the pressure of the equipment under test, the pressure gauge is widely used in petrochemical, natural gas, chemical, metallurgical and other industries as well as in daily life. In natural gas storage equipment, the pressure gauge is one of the important components, providing information reference for the staff.
[0003] The existing pressure gauges on the market currently do not have the function of on-site alarm, cannot provide abnormal alarm information to the staff in time, and cannot adjust the pressure threshold function, which is prone to accidents caused by excessive pressure. Therefore, it is necessary to provide a pressure alarm device for natural gas storage equipment. Utility Model Content
[0004] The main purpose of the utility model is to provide a pressure alarm device for natural gas storage equipment, which can effectively solve the problem that the existing pressure gauge in the background technology does not have the function of on-site alarm, cannot provide abnormal alarm information to the staff in time, and cannot adjust the pressure threshold function, which is easy to cause accidents due to excessive pressure.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a pressure alarm device for natural gas storage equipment, comprising a mounting unit, a pipe unit embedded on the top of the mounting unit, and a shell unit fixedly connected to the top of the pipe unit, and also comprising a detection unit and an adjustment unit arranged inside the shell unit;
[0006] The detection unit includes an air pressure plate movably arranged inside the bottom end of the housing unit, and an alarm for pressure alarm installed at the center of the top of the housing unit;
[0007] The adjustment unit comprises a fixing frame fixedly connected to the top wall of the housing unit, and an adjustment shaft penetrating one side of the fixing frame and used for adjusting the pressure threshold.
[0008] Preferably, the mounting unit comprises a fixing frame and mounting holes formed on the top of both sides of the fixing frame.
[0009] Preferably, the tube unit comprises a connecting pipe embedded in the top center of the fixing frame, and a pressure gauge fixedly connected to one side of the connecting pipe.
[0010] Preferably, the housing unit comprises a detection box fixedly connected to the top of the connecting tube, a first slide groove formed on the inner wall of the bottom end of the detection box, and a second slide groove formed on the inner wall surface opposite to the top end of the detection box.
[0011] Preferably, the detection unit further comprises two touch rods fixedly connected to the top of the air pressure plate, a movable plate movably arranged between the insides of the second slide grooves, and two touch switches fixedly connected to the bottom of the movable plate.
[0012] Preferably, the adjustment unit also includes a vertical bevel gear fixedly connected to one end of the adjustment shaft, a screw rod movably arranged inside the fixed frame, a transverse bevel gear sleeved on the outer surface of the top end of the screw rod, a moving block threadedly connected to the outer surface of the screw rod, and a connecting tube fixedly connected to both sides of the moving block.
[0013] Preferably, the alarm is electrically connected to the touch switch, the two touch rods are respectively on the same vertical plane with the two touch switches, and the air pressure plate is movably arranged inside the first slide slot;
[0014] The vertical bevel gear is meshedly connected with the transverse bevel gear, the connecting tube is sleeved on the outer surface of the screw rod, and the top center of the movable plate is fixedly connected with the bottom end of the connecting tube.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1. In the utility model, the natural gas storage device is connected by a connecting pipe, and the connecting pipe is connected to the inside of the detection box. When the air pressure inside the connecting pipe is too high, the pressure will be applied to the air pressure plate to lift the air pressure plate inside the first slide slot. The lifting of the air pressure plate drives the two touch rods to rise synchronously. As the touch rods rise, when the pressure is too high, the top of the touch rods will contact the touch switch, and the induction system of the touch switch will transmit the information to the alarm. The alarm will warn that the pressure is too high. This structure can quickly detect the pressure inside the storage device, and when the pressure is too high, it can provide an alarm function, which is convenient for the staff to discover and deal with it in time, thereby improving the safety performance.
[0017] 2. In the utility model, when the pressure threshold needs to be adjusted, the adjusting shaft is rotated to drive the vertical bevel gear to rotate. The rotation of the vertical bevel gear drives the screw to rotate through the engagement with the transverse bevel gear. The rotation of the screw drives the moving block to move up and down on its outer surface. The up and down movement of the moving block is achieved through the up and down movement of the connecting tube. The up and down movement of the connecting tube drives the movable plate to move up and down inside the second slide groove, thereby adjusting the distance between the touch switch and the touch rod, thereby achieving the effect of adjusting the pressure threshold. This structure has the function of adjusting the pressure threshold, can detect the pressure value according to the actual situation, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0019] Figure 2This is a schematic diagram of the front view internal cross-section structure of the utility model;
[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0021] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.
[0022] In the figure:
[0023] 100, mounting unit; 101, fixing frame; 102, mounting hole;
[0024] 200, pipe unit; 201, connecting pipe; 202, pressure gauge;
[0025] 300, housing unit; 301, detection box; 302, first slide slot; 303, second slide slot;
[0026] 400, detection unit; 401, air pressure plate; 402, touch rod; 403, movable plate; 404, touch switch; 405, alarm;
[0027] 500, adjusting unit; 501, adjusting shaft; 502, fixing frame; 503, vertical bevel gear; 504, lead screw; 505, transverse bevel gear; 506, moving block; 507, connecting tube. DETAILED DESCRIPTION
[0028] Example 1
[0029] Please refer to Figure 1 — Figure 4 As shown, the utility model is a pressure alarm device for natural gas storage equipment, including an installation unit 100, a pipe unit 200 embedded on the top of the installation unit 100, and a shell unit 300 fixedly connected to the top of the pipe unit 200, and also includes a detection unit 400 and an adjustment unit 500 arranged inside the shell unit 300;
[0030] The adjustment unit 500 includes a fixing frame 502 fixedly connected to the inner top wall of the housing unit 300 , and an adjustment shaft 501 penetrating through one side of the fixing frame 502 and used for adjusting the pressure threshold.
[0031] The mounting unit 100 includes a fixing frame 101 and mounting holes 102 opened at the top of both sides of the fixing frame 101 .
[0032] The pipe unit 200 includes a connecting pipe 201 embedded in the top center of the fixing frame 101 , and a pressure gauge 202 fixedly connected to one side of the connecting pipe 201 .
[0033] The housing unit 300 includes a detection box 301 fixedly connected to the top of the connecting tube 201 , a first slide groove 302 formed on the inner wall of the bottom end of the detection box 301 , and a second slide groove 303 formed on the inner wall surface opposite to the top end of the detection box 301 .
[0034] like Figure 1 — Figure 3 As shown, the detection unit 400 includes an air pressure plate 401 movably arranged inside the bottom end of the shell unit 300, and an alarm 405 for pressure alarm installed at the top center of the shell unit 300. The detection unit 400 also includes two touch rods 402 fixedly connected to the top of the air pressure plate 401, a movable plate 403 movably arranged between the inside of the second slide groove 303, and two touch switches 404 fixedly connected to the bottom of the movable plate 403. The alarm 405 is electrically connected to the touch switch 404, the two touch rods 402 are respectively on the same vertical plane with the two touch switches 404, and the air pressure plate 401 is movably arranged inside the first slide groove 302.
[0035] Working principle: the natural gas storage device is connected via the connecting pipe 201, and the connecting pipe 201 is connected to the inside of the detection box 301. When the air pressure inside the connecting pipe 201 is too high, the pressure will be applied to the air pressure plate 401, and the air pressure plate 401 will be lifted inside the first slide groove 302. The lifting of the air pressure plate 401 drives the two touch rods 402 to rise synchronously. As the touch rods 402 rise, when the pressure is too high, the top of the touch rods 402 will contact the touch switch 404, and the sensing system of the touch switch 404 will be transmitted to the alarm 405. The alarm 405 will alarm to prompt that the pressure is too high. This structure can quickly detect the pressure inside the storage device, and when the pressure is too high, it can provide an alarm function, which is convenient for the staff to discover and deal with it in time, thereby improving the safety performance.
[0036] Example 2
[0037] Please refer to Figure 1 — Figure 4 As shown, the utility model is a pressure alarm device for natural gas storage equipment, including an installation unit 100, a pipe unit 200 embedded on the top of the installation unit 100, and a shell unit 300 fixedly connected to the top of the pipe unit 200, and also includes a detection unit 400 and an adjustment unit 500 arranged inside the shell unit 300;
[0038] The detection unit 400 includes an air pressure plate 401 movably disposed inside the bottom end of the housing unit 300 , and an alarm 405 for pressure alarm installed at the top center of the housing unit 300 .
[0039] The mounting unit 100 includes a fixing frame 101 and mounting holes 102 opened at the top of both sides of the fixing frame 101 .
[0040] The pipe unit 200 includes a connecting pipe 201 embedded in the top center of the fixing frame 101 , and a pressure gauge 202 fixedly connected to one side of the connecting pipe 201 .
[0041] The housing unit 300 includes a detection box 301 fixedly connected to the top of the connecting tube 201 , a first slide groove 302 formed on the inner wall of the bottom end of the detection box 301 , and a second slide groove 303 formed on the inner wall surface opposite to the top end of the detection box 301 .
[0042] like Figure 2 and Figure 4 As shown, the adjustment unit 500 includes a fixed frame 502 fixedly connected to the inner top wall of the shell unit 300, and an adjustment shaft 501 for adjusting the pressure threshold and passing through one side of the fixed frame 502. The adjustment unit 500 also includes a vertical bevel gear 503 fixedly connected to one end of the adjustment shaft 501, a screw rod 504 movably arranged inside the fixed frame 502, a transverse bevel gear 505 sleeved on the outer surface of the top end of the screw rod 504, a moving block 506 threadedly connected to the outer surface of the screw rod 504, and a connecting tube 507 fixedly connected to both sides of the moving block 506. The vertical bevel gear 503 is meshedly connected to the transverse bevel gear 505, the connecting tube 507 is sleeved on the outer surface of the screw rod 504, and the top center of the movable plate 403 is fixedly connected to the bottom end of the connecting tube 507.
[0043] Working principle: when the pressure threshold needs to be adjusted, the adjusting shaft 501 is rotated, and the adjusting shaft 501 drives the vertical bevel gear 503 to rotate. The rotation of the vertical bevel gear 503 drives the screw rod 504 to rotate through the engagement with the horizontal bevel gear 505. The rotation of the screw rod 504 drives the moving block 506 to move up and down on its outer surface. The up and down movement of the moving block 506 moves up and down through the connecting tube 507. The up and down movement of the connecting tube 507 drives the movable plate 403 to move up and down inside the second slide groove 303, thereby adjusting the distance between the touch switch 404 and the touch rod 402, thereby achieving the effect of adjusting the pressure threshold. This structure has the function of adjusting the pressure threshold, can detect the pressure value according to the actual situation, and has good practicality.
Claims
1. A pressure alarm device for a natural gas storage device, comprising a mounting unit (100), a pipe unit (200) embedded on the top of the mounting unit (100), and a shell unit (300) fixedly connected to the top of the pipe unit (200), characterized in that: It also includes a detection unit (400) and an adjustment unit (500) which are arranged inside the housing unit (300); The detection unit (400) comprises an air pressure plate (401) movably arranged inside the bottom end of the housing unit (300), an alarm (405) for pressure alarm installed at the top center of the housing unit (300), the detection unit (400) further comprises two touch rods (402) fixedly connected to the top of the air pressure plate (401), a movable plate (403) movably arranged inside the second slide groove (303), and two touch switches (404) fixedly connected to the bottom of the movable plate (403); The adjustment unit (500) comprises a fixed frame (502) fixedly connected to the inner top wall of the housing unit (300), an adjustment shaft (501) passing through one side of the fixed frame (502) and used to adjust the pressure threshold value. The adjustment unit (500) further comprises a vertical bevel gear (503) fixedly connected to one end of the adjustment shaft (501), a screw rod (504) movably arranged inside the fixed frame (502), a transverse bevel gear (505) sleeved on the outer surface of the top end of the screw rod (504), a moving block (506) threadedly connected to the outer surface of the screw rod (504), and a connecting tube (507) fixedly connected to both sides of the moving block (506).
2. A pressure alarm device for natural gas storage equipment according to claim 1, characterized in that: The mounting unit (100) comprises a fixing frame (101) and mounting holes (102) provided at the tops of both sides of the fixing frame (101).
3. A pressure alarm device for natural gas storage equipment according to claim 2, characterized in that: The pipe body unit (200) comprises a connecting pipe (201) embedded in the top center of the fixing frame (101), and a pressure gauge (202) fixedly connected to one side of the connecting pipe (201).
4. A pressure alarm device for natural gas storage equipment according to claim 3, characterized in that: The housing unit (300) comprises a detection box (301) fixedly connected to the top of the connecting tube (201), a first slide groove (302) provided on the inner wall at the bottom end of the detection box (301), and a second slide groove (303) provided on the inner wall surface opposite to the top end of the detection box (301).
5. A pressure alarm device for natural gas storage equipment according to claim 4, characterized in that: The alarm (405) is electrically connected to the touch switch (404), the two touch rods (402) are respectively located on the same vertical plane as the two touch switches (404), and the air pressure plate (401) is movably arranged inside the first slide groove (302); The vertical bevel gear (503) is meshedly connected with the transverse bevel gear (505), the connecting tube (507) is sleeved on the outer surface of the screw rod (504), and the top center of the movable plate (403) is fixedly connected to the bottom end of the connecting tube (507).