Safety valve test pressure balance integrated device

By introducing an energy storage return box, a protective box, and an intelligent detection system into the safety valve testing device, the problem of the energy storage being difficult to detect in a timely manner is solved, the protection and pressure balance of the energy storage are achieved, and the safety and pressure stability of the safety valve test are improved.

CN223925995UActive Publication Date: 2026-02-17AISIYI ELECTRONIC EQUIPMENT (BEIJING) CO LTD
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Patent Information

Application Number
CN202520718652.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-17
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

In existing technologies, energy storage devices are difficult to detect in a timely manner, which can lead to damage and affect the stability and safety of the test pressure of the safety valve.

Method used

An integrated pressure balancing device for safety valve testing was designed, comprising an energy storage reflux box, a protective box, a hydraulic system, a pressure sensor, and a nitrogen detector. The sensor detects the internal pressure of the energy storage, an indicator light displays the pressure value, a solenoid valve controls the pressure release, and an alarm indicates leakage, thus achieving intelligent monitoring and protection.

Benefits of technology

It enables timely detection and protection of the energy storage device, ensures pressure balance, avoids damage to the energy storage device, and improves the safety and pressure stability of the safety valve test.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety valve test pressure balance integrated device, and relates to the technical field of pressure balance. The top end of the bottom plate is provided with a baffle plate, the top end of the bottom plate is provided with an energy storage device backflow box and a hydraulic system, the top end of the energy storage device backflow box is provided with a protection box, an opening of the protection box is hinged with a sealing door plate, the top end of the protection box is provided with an alarm, and the protection box is internally provided with a nitrogen detector. According to the utility model, the nitrogen pressure of the capsule in the accumulator can be ensured through the first pressure sensor and the indicator lamp, the normal pressure of the accumulator can be ensured, and the protection box and the sealing door plate which are arranged later can play a good role in protecting the accumulator, prevent the accumulator from being collided and damaged and also play a role in sealing the accumulator, so that the safety of the accumulator is ensured. A nitrogen detector can be conveniently used for intelligently monitoring the leakage condition, use is safer and more convenient, and pressure balance is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pressure balance technical field, concretely relates to a safety valve test pressure balance integrated device. BACKGROUND

[0002] Pressure balance device is a kind of pressure balance equipment with accumulator as core component, is connected with safety valve, when safety valve is in open state, pressure balance device is in equilibrium state;When safety valve is closed, the pressure in valve body rises, the main role of pressure balance device is to absorb the pressure increased in safety valve at this time to maintain the pressure balance in safety valve;When safety valve is opened again, the pressure in valve body will decrease, pressure balance device will release the pressure stored previously at this time, balance the pressure in safety valve again, make it be at normal pressure level, mainly applicable to the various balanced pressure occasions in petroleum equipment.

[0003] Prior art generally uses energy storage device to balance safety valve test pressure, but as energy storage device is generally difficult to detect in time when using, when it is damaged, it will affect the test of safety valve, and it is also difficult to ensure the smoothness of pressure, so it is not safe enough to use.

[0004] Therefore, a safety valve test pressure balance integrated device is provided. UTILITY MODEL CONTENTS

[0005] To solve the problems in prior art, the utility model provides a safety valve test pressure balance integrated device.

[0006] The utility model discloses in order to realize the above-mentioned purpose specifically adopts following technical scheme:

[0007] A safety valve test pressure balance integrated device, including the bottom plate, the top of bottom plate is provided with the baffle, the top of bottom plate is provided with energy storage device backflow box and hydraulic system, the top of energy storage device backflow box is provided with protection box, the opening of protection box is hinged with sealing door plate, the top of protection box is provided with alarm, the inside of protection box is provided with nitrogen detector, the first energy storage device and second energy storage device are connected on energy storage device backflow box through connecting member, one indicator lamp is arranged on the side of first energy storage device and second energy storage device respectively, a first pressure sensor is arranged on first energy storage device and second energy storage device respectively, second pressure sensor is provided on energy storage device backflow box.

[0008] Further, the hydraulic system and energy storage device backflow box are communicated by communication pipe.

[0009] Further, the side of hydraulic system is provided with safety valve, pressure gauge and straight-through stop valve.

[0010] Further, the first pressure sensor is used for detecting the pressure inside the energy storage capsule.

[0011] Further, the second pressure sensor is used for detecting the pressure inside the energy storage reflux tank.

[0012] Further, a drain pipe is arranged on the energy storage reflux tank, and an electromagnetic valve is arranged on the drain pipe.

[0013] The utility model discloses the beneficial effect is as follows:

[0014] The first pressure sensor and the indicating lamp can guarantee the nitrogen pressure of the capsule in the energy storage device, guarantee the normal pressure, the protection box and the sealing door plate arranged later can play a good protection effect on the energy storage device, avoid damaging by collision, can also play a closed effect on the energy storage device, the nitrogen detector is used to conveniently carry out intelligent monitoring on the leakage condition, is more safe and convenient to use, and the balance of pressure is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the protection box internal structure schematic diagram of the utility model.

[0017] Significant: 1, bottom plate, 2, baffle, 3, energy storage reflux tank, 301, drain pipe, 302, electromagnetic valve, 4, protection box, 401, sealing door plate, 5, alarm, 6, hydraulic system, 601, communication pipe, 7, first energy storage device, 8, second energy storage device, 9, connecting member, 10, indicating lamp, 11, first pressure sensor, 12, nitrogen detector, 13, safety valve, 14, pressure gauge, 15, straight-through stop valve, 16, second pressure sensor. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] like Figures 1-2 As shown, a safety valve test pressure balancing integrated device includes a base plate 1, a baffle 2 at the top of the base plate 1, an energy storage return box 3 and a hydraulic system 6 at the top of the base plate 1, a protective box 4 at the top of the energy storage return box 3, a sealing door 401 hinged to the opening of the protective box 4, an alarm 5 at the top of the protective box 4, a nitrogen detector 12 inside the protective box 4, a first energy storage 7 and a second energy storage 8 connected to the energy storage return box 3 via a connecting member 9, an indicator light 10 on one side of the first energy storage 7 and the second energy storage 8 respectively, a first pressure sensor 11 on the first energy storage 7 and the second energy storage 8 respectively, and a second pressure sensor 11 on the energy storage return box 3. Pressure sensor 16; Specifically, the protective box 4 and the sealed door 401 can protect the first energy storage device 7 and the second energy storage device 8, thus preventing them from being damaged by external interference or collision. At the same time, the sealed space can also facilitate the use of nitrogen detector 12 to accurately detect whether there is nitrogen leakage. The first pressure sensor 11 can detect the pressure of the capsules inside the first energy storage device 7 and the second energy storage device 8 respectively, thus ensuring the amount of gas filling during the initial filling. The indicator light 10 can light up when the pressure value reaches the set value, thus ensuring the stability and controllability of the pressure and preventing the unstable gas pressure inside the capsule from affecting subsequent use.

[0023] like Figure 1As shown, the hydraulic system 6 and the energy accumulator return tank 3 are connected through the communication pipe 601; specifically, the first energy accumulator 7 and the second energy accumulator 8 can communicate with the hydraulic system 6 through the communication pipe 601, facilitating pressure balance.

[0024] As shown, the hydraulic system 6 is provided with a safety valve 13, a pressure gauge 14 and a straight-through stop valve 15 on one side. Figure 1

[0025] As shown, the first pressure sensor 11 is used to detect the pressure inside the energy accumulator capsule. Figure 2

[0026] As shown, the second pressure sensor 16 is used to detect the pressure inside the energy accumulator return tank 3. Figure 2

[0027] As shown, the energy accumulator return tank 3 is provided with a drain pipe 301, and the drain pipe 301 is provided with an electromagnetic valve 302; specifically, the second pressure sensor 16 can detect the pressure inside the energy accumulator return tank 3, and when the detected internal pressure value exceeds the set value, it indicates that the safety valve 13 is damaged and cannot release pressure in time; at this point, the electromagnetic valve 302 is opened, which can timely drain the hydraulic oil outward, avoiding the explosion caused by excessive pressure. Figure 2

[0028] In summary: the first energy accumulator 7 and the second energy accumulator 8 can improve the upper limit of energy storage; before use, the stop valve on them is closed, and the first pressure sensor 11 is used to detect the nitrogen pressure inside the capsule; when the detected pressure reaches the set value, the indicator light 10 is turned on, facilitating subsequent controllable pressure; in the case of excessive work, the nitrogen detector 12 can detect the nitrogen inside the protection box 4; when nitrogen is detected, it indicates that nitrogen leakage has occurred, and the nitrogen detector 12 will send a signal to the controller, which will control the alarm 5 to work, thereby prompting the staff to detect in time; in addition, the second pressure sensor 16 can detect the pressure of the energy accumulator return tank 3; when the pressure value exceeds the set value, it indicates that the safety valve 13 is damaged and cannot release pressure in time; at this point, the electromagnetic valve 302 is opened, which can timely drain the hydraulic oil outward, avoiding the explosion caused by excessive pressure; the intelligent monitoring method is used to detect the first energy accumulator 7 and the second energy accumulator 8, which can avoid damage and affect the subsequent pressure balance, and is also more safe.

[0029] ​​​​The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A safety valve test pressure balancing integrated device, characterized by, The utility model provides an energy storage device, including bottom plate (1), the top of bottom plate (1) is provided with baffle (2), the top of bottom plate (1) is provided with energy storage backflow tank (3) and hydraulic system (6), the top of energy storage backflow tank (3) is provided with protection tank (4), the opening of protection tank (4) is hinged with sealing door board (401), the top of protection tank (4) is provided with alarm (5), the inside of protection tank (4) is provided with nitrogen detector (12), energy storage backflow tank (3) is connected with first energy storage device (7) and second energy storage device (8) through connecting member (9), one side of first energy storage device (7) and second energy storage device (8) is provided with respectively one pilot lamp (10), and first energy storage device (7) and second energy storage device (8) are provided with respectively one first pressure sensor (11), and energy storage backflow tank (3) is provided with second pressure sensor (16).

2. The test pressure balanced integrated safety valve assembly of claim 1, wherein, The hydraulic system (6) and energy storage backflow tank (3) are connected through the communication pipe (601).

3. The pressure balanced integrated safety valve testing device of claim 1, wherein, The hydraulic system (6) is provided with a safety valve (13), a pressure gauge (14) and a straight-through stop valve (15) on one side.

4. The pressure balanced integrated safety valve testing device of claim 1, wherein, The first pressure sensor (11) is used for detecting the pressure inside the energy storage capsule.

5. The pressure balanced integrated safety valve testing device of claim 1, wherein, The second pressure sensor (16) is used for detecting the pressure inside the energy storage backflow tank (3).

6. The test pressure balanced integrated safety valve assembly of claim 1, wherein, The energy storage backflow tank (3) is provided with a drain pipe (301), and the drain pipe (301) is provided with an electromagnetic valve (302).