Low-temperature container anti-overfilling device with pressure balancing function

By designing a protective cover and lever structure in the cryogenic container, the problem of easy damage to the pressure monitor was solved, and the stability and service life of pressure monitoring in the cryogenic container were extended.

CN223609893UActive Publication Date: 2025-11-28JINING SHENGZE CRYOGENIC EQUIP MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520119682.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-11-28
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The dial of the pressure monitor for existing cryogenic containers is easily damaged by external impacts, affecting its service life and monitoring performance.

Method used

A protective device including a protective cover and a clamping rod structure was designed. The protective cover is fitted onto the outer surface of the pressure monitor and fixed by the clamping rod. The protective cover is made of transparent acrylic material. The clamping rod cooperates with the mounting plate's locking holes for limiting and fixing. Combined with a cleaning device, it is easy to remove dust.

Benefits of technology

It effectively protects the pressure monitor from damage during use and transportation, extends its service life, and ensures the stability and reliability of the pressure monitoring function.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223609893U_ABST
    Figure CN223609893U_ABST
Patent Text Reader

Abstract

The utility model provides a low-temperature container anti-overcharging device with a pressure balance function, and relates to the technical field of low-temperature container anti-overcharging devices, the low-temperature container anti-overcharging device comprises a mounting plate and a pressure monitor, through the arrangement of a protection device, when the pressure monitor is used for monitoring a low-temperature container in real time, the pressure monitor can monitor the low-temperature container in real time; the protective cover can be arranged on the outer surface of the pressure monitor in a sleeving mode, the rectangular grooves in the two ends of the protective cover are aligned with a wiring port in the pressure monitor, installation of a connecting wire is facilitated, meanwhile, the two clamping rods on one side can be inserted into the clamping holes to certain positions respectively, one side of the protective cover abuts against the installation plate, and the protective cover can be installed conveniently. And finally, when the clamping rod is rotated to a certain angle, the protective cover is limited and fixed, and the outer surface of the pressure monitor can be protected, so that the pressure monitor is not easy to damage when collision occurs in the use process or the transportation process, the service life is prolonged, and the influence on use is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to low temperature container prevent overfilling device technical field especially relates to a low temperature container prevent overfilling device with pressure balance function. BACKGROUND

[0002] Low temperature container prevent overfilling device is a kind of safety device for low temperature storage and transport equipment, to prevent low temperature container from being overfilled during filling and leading to equipment pressure being too high or other safety problems, the device is usually applied to liquid gas storage and transport container.

[0003] When using pressure monitor to monitor the pressure change inside in real time during filling gas or liquid into low temperature container, when the pressure inside low temperature container is too low or too high, pressure monitor will monitor data and upload to controller through wired connection, controller will control alarm to issue alarm and open corresponding valve or close corresponding valve, for adjusting the pressure in low temperature container, so that it is in equilibrium state, to achieve the effect of preventing overfilling, so that its monitoring device itself has the function of pressure balance control, since the dial of pressure monitor is usually glass material, it is usually installed on the outer surface of low temperature container for convenient observation during use, which leads to the dial being damaged during use or transportation process due to external impact, reduces service life, and also affects the use of pressure monitor. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art and provides a low temperature container prevent overfilling device with pressure balance function.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a low temperature container prevent overfilling device with pressure balance function, including mounting plate and pressure monitor, one side of pressure monitor is fixedly connected with one side of mounting plate, one side of mounting plate is fixedly connected with alarm, one side of mounting plate is fixedly connected with controller, the outer surface of pressure monitor on one side of mounting plate is provided with protection device, the protection device includes protective cover, one side of protective cover is provided with cleaning device, the protection device can cover the outer surface of pressure monitor and be fixed on mounting plate to protect its surface, and the cleaning device can clean the outer surface of protective cover.

[0006] The effect achieved by the above components is that when the pressure monitor is used to monitor the pressure change inside the low-temperature container in real time during the process of filling the low-temperature container with gas or liquid, the protective cover in the protective device is first sleeved on the outer surface of the pressure monitor and fixed on the mounting plate to protect the surface of the pressure monitor, so that the pressure monitor is not easily damaged by collision during use or transportation, and the service life is improved; when the pressure inside the low-temperature container is too low or too high, the pressure monitor will monitor and upload the data to the controller through the wired connection, and the controller will control the alarm to issue an alarm and open or close the corresponding valve to adjust the pressure in the low-temperature container to balance, thereby achieving the effect of overfilling prevention.

[0007] Preferably, a plurality of clamping holes are symmetrically arranged on one side of the mounting plate, and a plurality of clamping rods are symmetrically arranged on the inner wall of the protective cover.

[0008] The effect achieved by the above components is that by setting the protective device, when the pressure monitor is used to monitor the low-temperature container in real time, the protective cover can be sleeved on the outer surface of the pressure monitor, the rectangular grooves at both ends of the protective cover are aligned with the wire connection ports on the pressure monitor, the installation of the connecting wires is facilitated, and the two clamping rods on one side are inserted into the clamping holes to a certain position, so that one side of the protective cover abuts against the mounting plate. Finally, by rotating the clamping rod to a certain angle, the protective cover is fixed in position, and the outer surface of the pressure monitor is protected. In this way, when the pressure monitor is collided during use or transportation, it is not easily damaged, the service life is improved, and the use is not affected.

[0009] Preferably, a chamfer is arranged on the outer surface of one end of the clamping rod.

[0010] The effect achieved by the above components is that by setting the chamfer, the area of one end of the clamping rod can be reduced, the clamping hole can be quickly aligned and inserted, and the installation is facilitated.

[0011] Preferably, a bearing is fixedly connected to the outer surface of one end of the clamping rod, and the outer ring of the bearing is fixedly connected to one side of the protective cover.

[0012] The effect achieved by the above components is that by setting the bearing, the rotating wear between the clamping rod and the protective cover can be reduced, and the service life of the clamping rod and the protective cover is improved.

[0013] Preferably, a plurality of limiting blocks are fixedly connected to one side of the mounting plate in a central symmetry, and one end of the clamping rod is inserted into the inner wall of the limiting block.

[0014] The effect achieved by the above component is that: by arranging the limiting block, after the clamping rod is clamped into the clamping hole and rotated by 90 degrees, the clamping rod can be clamped into the inner wall of the limiting block, facilitating quick operation of the clamping rod, and the clamping rod is fixed again, so that the clamping rod is not prone to self-loosening.

[0015] Preferably, the cleaning device comprises a groove frame, one side of the groove frame is fixedly connected with one side of the protective cover, and an inner wall of the groove frame is slidably connected with a wiping rod.

[0016] The effect achieved by the above component is that: by arranging the cleaning device, when dust or impurities fall on the surface of the protective cover during use of the protective cover, the dust on the surface of the protective cover can be wiped clean by manually holding the wiping rod and wiping the protective cover back and forth several times when an operator watches the pressure monitor, thereby facilitating watching and recording.

[0017] Preferably, one side of the wiping rod is fixedly connected with an operation block, and a longitudinal section of the operation block is in a rectangular shape.

[0018] The effect achieved by the above component is that: by arranging the operation block, the contact area of one side of the wiping rod can be increased, and the wiping rod can be manually held and pulled.

[0019] Preferably, both sides of one end of the wiping rod are fixedly connected with sliding blocks, both sides of an inner wall of the groove frame are symmetrically provided with sliding grooves, and inner walls of the sliding grooves are slidably connected with the sliding blocks.

[0020] The effect achieved by the above component is that: by arranging the sliding grooves and the sliding blocks, one end of the wiping rod can be limited, so that the wiping rod is not prone to shaking during back-and-forth movement.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that:

[0022] In the utility model, when the pressure monitor is used to monitor the low-temperature container in real time, the protective cover can be sleeved on the outer surface of the pressure monitor, the rectangular grooves at two ends of the protective cover are aligned with the wiring ports on the pressure monitor, the installation of the connecting wires is facilitated, the two clamping rods on one side of the protective cover are respectively inserted into the clamping holes to a certain position, one side of the protective cover is abutted against the mounting plate, the protective cover is fixed by rotating the clamping rod to a certain angle, the outer surface of the pressure monitor is protected, the pressure monitor is not prone to damage when the pressure monitor collides during use or transportation, the service life is improved, and the use is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Fig. 2 It is the three-dimensional structure schematic view of the installation plate of the utility model;

[0025] Fig. 3 It is the three-dimensional structure schematic view of the protective cover of the utility model;

[0026] Fig. 4 It is the three-dimensional structure schematic view of the recess frame of the utility model.

[0027] Legend: 1, installation plate; 2, protective device; 3, cleaning device; 4, pressure monitor; 5, controller; 6, alarm; 21, clamping hole; 22, protective cover; 23, rectangular groove; 24, clamping rod; 25, chamfer; 26, bearing; 27, limiting block; 31, recess frame; 32, wiping rod; 33, operating block; 34, sliding groove; 35, sliding block. DETAILED DESCRIPTION

[0028] Embodiment 1, as shown in Figs. 1-4 A low-temperature container overfilling prevention device with pressure balance function, including installation plate 1 and pressure monitor 4, one side of pressure monitor 4 is fixedly connected with one side of installation plate 1, one side of installation plate 1 is fixedly connected with alarm 6, one side of installation plate 1 is fixedly connected with controller 5, one side of installation plate 1 is located on the outer surface of pressure monitor 4 and is provided with protective device 2, protective device 2 includes protective cover 22, one side of protective cover 22 is provided with cleaning device 3, protective device 2 can cover the outer surface of pressure monitor 4 and be fixed on installation plate 1 to protect its surface, and cleaning device 3 can clean and wipe the outer surface of protective cover 22. When using pressure monitor 4 to monitor the pressure change inside in the process of filling gas or liquid into the low-temperature container, first, the protective cover 22 in the protective device 2 is sleeved on the outer surface of pressure monitor 4 and is fixed on installation plate 1, the surface of pressure monitor 4 is protected, so that it is not easy to be damaged when colliding during use or transportation, and the service life is improved, when the pressure inside the low-temperature container is too low or too high, pressure monitor 4 will monitor the data and upload it to controller 5 through wired connection, controller 5 will control alarm 6 to issue an alarm at the same time and open or close the corresponding valve, for adjusting the pressure in the low-temperature container to make it in a balanced state, so as to achieve the effect of preventing overfilling. It needs to be specially pointed out that pressure monitor 4, controller 5 and alarm 6 are all mature technical means and equipment in the prior art, and the internal structure, connection mode and principle will not be described.

[0029] Refer to Figs. 1-4As shown, the embodiment discloses that one side of the mounting plate 1 is symmetrically provided with a clamping hole 21, the inner walls of the two ends of the protective cover 22 are provided with a rectangular groove 23, and one side of the protective cover 22 is symmetrically rotatably connected with a clamping rod 24. One end of the clamping rod 24 is inserted into the inner wall of the clamping hole 21, the pressure monitor 4 is inserted into the inner wall of the protective cover 22, and the protective cover 22 is made of transparent acrylic plate material. When the pressure monitor 4 is used to monitor the low-temperature container in real time, the protective cover 22 can be sleeved on the outer surface of the pressure monitor 4, the rectangular grooves 23 at the two ends are aligned with the wire connection port on the pressure monitor 4, the installation of the connecting wire is facilitated, and the two clamping rods 24 on one side are inserted into the clamping holes 21 to a certain position, so that one side of the protective cover 22 abuts against the mounting plate 1. Finally, the clamping rod 24 is rotated to a certain angle, the protective cover 22 is fixed in position, the outer surface of the pressure monitor 4 is protected, the pressure monitor 4 is not easy to be damaged when colliding during use or transportation, the service life is improved, and the use is not affected.

[0030] Referring to Figs. 1-4 As shown, the embodiment discloses that the two sides of one end of the clamping rod 24 are provided with chamfers 25, and the chamfers 25 are arranged at the two sides of the end of the clamping rod 24 away from the protective cover 22. By arranging the chamfers 25, the area of one end of the clamping rod 24 can be reduced, the clamping hole 21 can be quickly aligned and inserted, and installation is facilitated. A bearing 26 is fixedly connected to the outer surface of one end of the clamping rod 24, and the outer ring of the bearing 26 is fixedly connected to one side of the protective cover 22. By arranging the bearing 26, the rotating wear between the clamping rod 24 and the protective cover 22 can be reduced, and the service life of the clamping rod 24 and the protective cover 22 can be improved. A plurality of limiting blocks 27 are fixedly connected to one side of the mounting plate 1 in a central symmetry, and one end of the clamping rod 24 is inserted into the inner wall of the limiting block 27. By arranging the limiting block 27, after the clamping rod 24 is clamped into the clamping hole 21 and rotated by 90 degrees, it can be clamped into the inner wall of the limiting block 27, the clamping rod 24 can be quickly operated, and the clamping rod 24 is secondarily limited and fixed, so that it is not easy to be loosened.

[0031] Referring to Figs. 1-4 As shown, the embodiment discloses that the cleaning device 3 comprises a groove frame 31, one side of the groove frame 31 is fixedly connected with one side of the protective cover 22, and the inner wall of the groove frame 31 is slidably connected with a wiping rod 32. When the protective cover 22 is used, if dust or impurities fall on the surface of the protective cover 22, when the operator watches the pressure monitor 4, the wiping rod 32 can be manually held to wipe back and forth on the protective cover 22 for several times, so that the dust on the surface of the protective cover 22 can be wiped clean, and observation and recording are facilitated.

[0032] Referring to Figs. 1-4As shown, the embodiment discloses that one side of the wiping rod 32 is fixedly connected with the operation block 33, and the longitudinal section of the operation block 33 is in a rectangular shape. By arranging the operation block 33, the contact area of one side of the wiping rod 32 can be increased, so that the wiping rod 32 is conveniently held and pulled manually. Both sides of one end of the wiping rod 32 are fixedly connected with the sliding blocks 35, and the inner walls of the groove frames 31 are symmetrically provided with the sliding grooves 34, and the inner walls of the sliding grooves 34 are slidably connected with the sliding blocks 35. By arranging the sliding grooves 34 and the sliding blocks 35, one end of the wiping rod 32 can be limited, so that the wiping rod 32 is not easy to shake during reciprocating movement.

[0033] When the pressure monitor 4 is used to monitor the pressure change in the low-temperature container in real time during the process of filling the low-temperature container with gas or liquid, the protective cover 22 can be sleeved on the outer surface of the pressure monitor 4, the rectangular grooves 23 at both ends of the protective cover 22 are aligned with the wire connection ports on the pressure monitor 4, the two clamping rods 24 on one side are respectively inserted into the clamping holes 21 to a certain position, one side of the protective cover 22 is abutted against the mounting plate 1, the clamping rods 24 are rotated to a certain angle and clamped in the inner walls of the limiting blocks 27, the protective cover 22 is limited and fixed, the outer surface of the pressure monitor 4 is protected, the pressure monitor 4 is not easy to be damaged when colliding during use or transportation, the service life is improved, and the use is not affected. When the pressure in the low-temperature container is too low or too high, the pressure monitor 4 can monitor the data and upload the data to the controller 5 through wired connection, the controller 5 controls the alarm 6 to issue an alarm and opens or closes the corresponding valve, so that the pressure in the low-temperature container is adjusted to be in a balanced state, and the overfilling effect is achieved.

[0034] When the protective cover 22 is used, if dust or impurities fall on the surface of the protective cover 22, the operation block 33 is manually held to reciprocate the wiping rod 32 and the sliding block in the inner walls of the groove frame 31 and the sliding groove, one side of the protective cover 22 is reciprocated several times, the dust on the surface of the protective cover 22 is wiped clean, and the record is conveniently observed.

Claims

1. A low-temperature container overcharge prevention device having a pressure balance function, comprising a mounting plate (1) and a pressure monitor (4), characterized in that: One side of the pressure monitor (4) is fixedly connected with one side of the mounting plate (1), one side of the mounting plate (1) is fixedly connected with the alarm (6), one side of the mounting plate (1) is fixedly connected with the controller (5), and the outer surface of the pressure monitor (4) is provided with the protection device (2) on one side of the mounting plate (1). The protection device (2) comprises a protective cover (22), one side of the protective cover (22) is provided with the cleaning device (3), the protection device (2) can cover the outer surface of the pressure monitor (4) and be fixed on the mounting plate (1) to protect the surface, and the cleaning device (3) can clean and wipe the outer surface of the protective cover (22).

2. A low-temperature container overcharge-preventing device having a pressure equalization function according to claim 1, characterized by: One side of the mounting plate (1) is symmetrically provided with the clamping hole (21), the inner walls of the two ends of the protective cover (22) are provided with the rectangular groove (23), and one side of the protective cover (22) is symmetrically rotatably connected with the clamping rod (24). One end of the clamping rod (24) is inserted into the inner wall of the clamping hole (21), the pressure monitor (4) is inserted into the inner wall of the protective cover (22), and the protective cover (22) is made of transparent acrylic plate material.

3. A low-temperature container overcharge-preventing device having a pressure equalization function according to claim 2, characterized in that: The clamping rod (24) is provided with the chamfer (25) on both sides of one end thereof.

4. The overcharge-preventing device for a cryogenic container having a pressure equalizing function according to claim 2, characterized in that: The clamping rod (24) is provided with the chamfer (25) on both sides of one end thereof.

5. The overcharge-preventing device for a cryogenic container having a pressure equalizing function according to claim 2, characterized in that: The clamping rod (24) is provided with the chamfer (25) on both sides of one end thereof.

6. The overcharge-preventing device for a cryogenic container having a pressure equalizing function according to claim 1, characterized in that: The clamping rod (24) is provided with the chamfer (25) on both sides of one end thereof.

7. A low-temperature container overcharge-preventing device having a pressure equalizing function according to claim 6, characterized in that: The clamping rod (24) is provided with the chamfer (25) on both sides of one end thereof.

8. A low-temperature container overcharge-preventing device having a pressure equalization function according to claim 6, characterized by: The cleaning device (3) comprises a groove frame (31), one side of the groove frame (31) is fixedly connected with one side of the protective cover (22), and the inner wall of the groove frame (31) is slidably connected with the wiping rod (32). One side of the wiping rod (32) is fixedly connected with the operation block (33), and the longitudinal section of the operation block (33) is in rectangular shape. One side of the wiping rod (32) is fixedly connected with the operation block (33), and the longitudinal section of the operation block (33) is in rectangular shape. The inner walls of the two sides of the groove frame (31) are symmetrically provided with the sliding groove (34), and the inner walls of the sliding grooves (34) are slidably connected with the sliding blocks (35).