CN219178896U

CN219178896U - High-precision breather valve low-temperature testing device

Info

Publication number: CN219178896U
Application number: CN202320115012.3U
Authority: CN
Inventors: 吴翔; 龙海涛; 郁勇; 方士豪; 李绍利; 姚东升; 张红莲; 蒋峰
Original assignee: Jiangsu Fushen Special Valve Co ltd
Current assignee: Jiangsu Fushen Special Valve Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-06-13
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a high-precision breather valve low-temperature testing device which comprises a breather valve, a low-temperature box and an air inlet pipe, wherein the breather valve is arranged on the inner wall of the low-temperature box, the air inlet pipe is arranged on one side of the breather valve, a data acquisition module is arranged at the bottom of the breather valve, a temperature sensor connecting pipe is arranged on one side of the data acquisition module, and a pressure sensor connecting pipe is arranged on one side of the data acquisition module. According to the utility model, the electrical control cabinet is operated, so that pressure is transmitted to the air inlet pipe through the pressure pump assembly to enter the breather valve, the data acquisition module comprises the pressure sensor and the temperature sensor, and because the data acquisition module is very close to the breather valve, pressure and temperature data can be acquired more accurately, the acquired data is transmitted to the computer terminal through the temperature sensor connecting pipe and the pressure sensor connecting pipe, and finally, a breathing method test report is generated, so that the measurement accuracy is ensured.

Description

High-precision breather valve low-temperature testing device

Technical Field

The utility model relates to the technical field of low-temperature testing equipment of a breather valve, in particular to a high-precision low-temperature testing device of a breather valve.

Background

A breather valve is a safety device intended to protect tanks, process systems and equipment from overpressure or vacuum damages, prevent air inhalation, and reduce medium volatilization. Along with the continuous improvement of the safety and environmental protection requirements in the storage tank field, the requirements on the respiratory valve sealing system are also continuously improved, so that a test experiment is required to be carried out on the sealing performance of the respiratory valve, and the opening pressure and leakage of the respiratory valve are ensured to meet the requirements of standards and clients.

The defects of the breather valve testing device in the prior art are insufficient;

patent document CN208937319U discloses a breather valve testing device, which comprises a valve body positioning frame and a simulated oil tank arranged at the outer side of the valve body positioning frame; the simulated oil tank is connected with the oil pump through the oil filling port, the compressed air machine through the compressed air port, and the connecting device for connecting the breather valve through the connecting orifice, the connecting device comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is connected with the second connecting pipe through an internal thread sleeve, the second connecting pipe is arranged on the valve body locating frame, and the other end of the second connecting pipe is connected and fixed with a round hole in the center of the valve body connecting thread cover. The breather valve testing device can realize the test of the breather valve and has the characteristics of convenience, rapidness and high efficiency.

The breather valve testing device disclosed in the above publication mainly considers how to realize the breather valve test, and has the characteristics of convenience, rapidness and high efficiency.

Because the breather valve application working condition distribution is wider, the environment temperature can meet the low temperature condition, and simultaneously partial medium can also appear in the condition that low temperature Shi Yi condenses, current breather valve testing arrangement only can test the breather valve under normal atmospheric temperature, and the low temperature condition in the actual operating mode can be great to breather valve's opening pressure and leakage rate influence to lead to the breather valve product quality of leaving the factory to have the problem, can't ensure customer's safe environmental protection requirement.

In view of the foregoing, it is necessary to develop a high-precision breather valve low-temperature testing device, and further to improve the accuracy of the breather valve low-temperature testing device during use.

Disclosure of Invention

The utility model aims to provide a high-precision low-temperature testing device for a breather valve, which aims to solve the technical problems that the opening pressure and the leakage rate of the breather valve are greatly influenced under the low-temperature condition proposed in the background technology, and errors are easy to occur in measurement.

In order to achieve the above purpose, the utility model provides a high-precision breather valve low-temperature testing device, which comprises a breather valve, a low-temperature box and an air inlet pipe, wherein the breather valve is arranged on the inner wall of the low-temperature box, and the air inlet pipe is arranged on one side of the breather valve;

the bottom of the breather valve is provided with a data acquisition module, one side of the data acquisition module is provided with a temperature sensor connecting pipe, and one side of the data acquisition module is provided with a pressure sensor connecting pipe;

the other end of the data acquisition module and the pressure sensor connecting pipe is provided with an electrical control cabinet, one side of the electrical control cabinet is arranged on the other side of the air inlet pipe, and the top of the electrical control cabinet is provided with a computer terminal.

Preferably, the top of the low-temperature box is provided with a box cover through a hinge, the inner wall of the low-temperature box is provided with a plurality of fixing rods, and the other ends of the fixing rods are provided with limiting blocks.

Preferably, the steam pipe is installed to one side of breather valve, and the other end of steam pipe is installed in one side of electrical control cabinet, and first centre gripping cushion is installed to the outer wall of breather valve, and the backup pad is installed to one side of first centre gripping cushion.

Preferably, the limiting groove is formed in the other side of the supporting plate, the inner wall of the limiting groove is arranged on the outer wall of the limiting block, the pressure spring is arranged on the inner wall of the limiting groove, and one end of the pressure spring is arranged on one side of the limiting block.

Preferably, a group of screw holes are formed in the front face of the low-temperature box, sealing cushions are arranged at two ends of the screw holes, a threaded rod is mounted on the inner wall of the screw holes, a rotating disc is mounted at one end of the threaded rod, and an auxiliary handle is mounted on one side of the rotating disc.

Preferably, the clamping block is installed to the other end of threaded rod, and the second centre gripping cushion is installed to one side of clamping block, and one side of second centre gripping cushion is installed in the outer wall of breather valve.

Preferably, the middle part of electrical control cabinet inner wall installs the division board, and the pressure pump subassembly is installed at the top of division board, and the through-hole has been seted up to one side at division board top, and the inner wall of through-hole is installed in the outer wall of steam pipe, and steam pump subassembly is installed to the interior bottom wall of electrical control cabinet.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the electrical control cabinet is operated, so that pressure is transmitted to the air inlet pipe through the pressure pump assembly to enter the breather valve, the data acquisition module comprises the pressure sensor and the temperature sensor, and because the data acquisition module is very close to the breather valve, pressure and temperature data can be acquired more accurately, the acquired data is transmitted to the computer terminal through the temperature sensor connecting pipe and the pressure sensor connecting pipe, and finally, a breathing method test report is generated, so that the measurement accuracy is ensured.

2. According to the utility model, the temperature is set through the low-temperature box, so that moist steam is attached to the inner wall of the breather valve, the effect of simulating an actual low-temperature working condition can be achieved, the detection accuracy is improved, the rotating disc and the threaded rod can be driven to rotate through rotating the auxiliary handle, the clamping block and the second clamping cushion can be adjusted to move through rotating the threaded rod through the arrangement of the threaded hole, and further the breather valve can be limited and fixed through the arrangement of the fixed rod, the limiting block, the limiting groove, the pressure spring, the supporting plate and the first clamping cushion.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the electrical control cabinet of the present utility model;

FIG. 3 is a schematic view of the structure of the low-temperature box of the utility model;

fig. 4 is a schematic view of the structure of the breather valve of the present utility model.

In the figure: 1. a respiratory valve; 2. a low temperature box; 3. an air inlet pipe; 101. a data acquisition module; 102. a temperature sensor connection pipe; 103. a pressure sensor connection tube; 104. an electrical control cabinet; 105. a computer terminal; 201. a case cover; 202. a fixed rod; 203. a limiting block; 301. a steam pipe; 302. a first clamping cushion; 303. a support plate; 401. a limiting groove; 402. a pressure spring; 501. a threaded hole; 502. sealing the soft cushion; 503. a threaded rod; 504. a rotating disc; 505. an auxiliary handle; 601. a clamping block; 602. a second clamping cushion; 701. a partition plate; 702. a pressure pump assembly; 703. a through hole; 704. a steam pump assembly.

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, in an embodiment of the present utility model, a high-precision breather valve low-temperature testing device includes a breather valve 1, a low-temperature box 2 and an air inlet pipe 3, wherein the breather valve 1 is installed on the inner wall of the low-temperature box 2, and the air inlet pipe 3 is installed on one side of the breather valve 1;

referring to fig. 1, 2 and 3, a data acquisition module 101 is installed at the bottom of a breather valve 1, a temperature sensor connection pipe 102 is installed at one side of the data acquisition module 101, a pressure sensor connection pipe 103 is installed at one side of the data acquisition module 101, an electric control cabinet 104 is installed at the other end of the data acquisition module 101 and the pressure sensor connection pipe 103, one side of the electric control cabinet 104 is installed at the other side of an air inlet pipe 3, a computer terminal 105 is installed at the top of the electric control cabinet 104, a steam pipe 301 is installed at one side of the breather valve 1, the other end of the steam pipe 301 is installed at one side of the electric control cabinet 104, a first clamping cushion 302 is installed at the outer wall of the breather valve 1, a support plate 303 is installed at one side of the first clamping cushion 302, a partition plate 701 is installed at the middle part of the inner wall of the electric control cabinet 104, the top of the partition plate 701 is provided with a pressure pump assembly 702, one side of the top of the partition plate 701 is provided with a through hole 703, the inner wall of the through hole 703 is arranged on the outer wall of the steam pipe 301, the inner bottom wall of the electric control cabinet 104 is provided with a steam pump assembly 704, pressure is transmitted to the air inlet pipe 3 to enter the breather valve 1 through the pressure pump assembly 702 by operating the electric control cabinet 104, the data acquisition module 101 comprises a pressure sensor and a temperature sensor, and as the data acquisition module 101 is very close to the breather valve 1, pressure and temperature data can be acquired more accurately, the acquired data is transmitted to the computer terminal 105 through the temperature sensor connecting pipe 102 and the pressure sensor connecting pipe 103, and finally a breathing method test report is generated, so that the measurement accuracy is ensured;

referring to fig. 1, 3 and 4, a case cover 201 is installed at the top of a low temperature case 2 through a hinge, a plurality of fixing bars 202 are installed at the inner wall of the low temperature case 2, a limiting block 203 is installed at the other end of the fixing bars 202, a limiting groove 401 is provided at the other side of a supporting plate 303, the inner wall of the limiting groove 401 is installed at the outer wall of the limiting block 203, a pressure spring 402 is installed at the inner wall of the limiting groove 401, one end of the pressure spring 402 is installed at one side of the limiting block 203, a set of screw holes 501 are provided at the front of the low temperature case 2, sealing cushions 502 are provided at both ends of the screw holes 501, a threaded rod 503 is installed at the inner wall of the screw holes 501, a rotating disc 504 is installed at one end of the threaded rod 503, an auxiliary handle 505 is installed at one side of the rotating disc 504, a clamping block 601 is installed at the other end of the threaded rod 503, the second centre gripping cushion 602 is installed to one side of grip block 601, and one side of second centre gripping cushion 602 is installed in the outer wall of breather valve 1, pass through steam pump assembly 704 and input steam to inside breather valve 1 through steam pipe 301, set for the temperature through low temperature box 2, make moist steam attach on the inner wall of breather valve 1, can reach the effect of simulating actual low temperature operating mode, and then improve and detect the accuracy nature, can drive rolling disc 504 and threaded rod 503 rotation through rotating auxiliary handle 505, through the setting of screw hole 501, threaded rod 503 rotation can adjust grip block 601 and second centre gripping cushion 602 and remove, and then can restrict fixedly to breather valve 1 through dead lever 202, restriction piece 203, the restriction groove 401, pressure spring 402, backup pad 303 and the setting of first centre gripping cushion 302.

The working principle is that the data acquisition module 101 adopted in the text is the EM200 data acquisition module 101 with the temperature acquisition function, the pressure acquisition function and the steam conveying function, the electric control cabinet 104 is operated, the pressure is transmitted to the air inlet pipe 3 through the pressure pump assembly 702 to enter the breather valve 1, the data acquisition module 101 comprises the pressure sensor and the temperature sensor, the data acquisition module 101 is very close to the breather valve 1, pressure temperature data can be acquired more accurately, the acquired data are transmitted to the computer terminal 105 through the temperature sensor connecting pipe 102 and the pressure sensor connecting pipe 103, a breath method test report is finally generated, the measurement accuracy is further guaranteed, the temperature is set through the low-temperature box 2, moist steam is attached to the inner wall of the breather valve 1, the effect of simulating the actual low-temperature working condition can be achieved, the detection accuracy is further improved, the rotating auxiliary handle 504 and the threaded rod 503 can be driven to rotate through the threaded rod 505, the clamping block 601 and the second soft cushion 602 can be adjusted to move through the arrangement of the threaded hole 501, and the breathing valve 1 can be limited through the fixing rod 202, the limiting block 203, the limiting groove 401, the pressure spring 402 and the first soft cushion 302 are arranged and the breathing valve 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high accuracy breather valve low temperature testing arrangement, includes breather valve (1), low temperature case (2) and intake pipe (3), its characterized in that: a breather valve (1) is arranged in the low-temperature box (2);

the bottom of breather valve (1) is installed data acquisition module (101), intake pipe (3), steam pipe (301), temperature sensor takeover (102) and pressure sensor takeover (103) integrated connection between data acquisition module (101) and electrical control cabinet (104), computer terminal (105) is installed at the top of electrical control cabinet (104).

2. The high-precision breather valve low-temperature test device according to claim 1, wherein: the top of the low-temperature box (2) is provided with a box cover (201) through a hinge, the inner wall of the low-temperature box (2) is provided with a plurality of fixing rods (202), and the other end of each fixing rod (202) is provided with a limiting block (203).

3. The high-precision breather valve low-temperature test device according to claim 1, wherein: a first clamping cushion (302) is arranged on the outer wall of the breather valve (1), and a supporting plate (303) is arranged on one side of the first clamping cushion (302).

4. A high-precision breather valve cryogenic test device according to claim 3, characterized in that: the other side of backup pad (303) has seted up restriction groove (401), and the outer wall in restriction piece (203) is installed to the inner wall in restriction groove (401), and pressure spring (402) is installed to the inner wall in restriction groove (401), and one end of pressure spring (402) is installed in one side of restriction piece (203).

5. The high-precision breather valve low-temperature test device according to claim 1, wherein: a group of threaded holes (501) are formed in the front face of the low-temperature box (2), sealing cushions (502) are arranged at two ends of the threaded holes (501), a threaded rod (503) is arranged on the inner wall of the threaded hole (501), a rotating disc (504) is arranged at one end of the threaded rod (503), and an auxiliary handle (505) is arranged on one side of the rotating disc (504).

6. The high-precision breather valve low-temperature test device according to claim 5, wherein: the clamping block (601) is installed to the other end of threaded rod (503), and second centre gripping cushion (602) are installed to one side of clamping block (601), and one side of second centre gripping cushion (602) is installed in the outer wall of breather valve (1).

7. The high-precision breather valve low-temperature test device according to claim 1, wherein: the middle part of electrical control cabinet (104) inner wall is installed division board (701), and pressure pump subassembly (702) are installed at the top of division board (701), and through-hole (703) have been seted up to one side at division board (701) top, and steam pipe (301) are installed to the inner wall of through-hole (703), and steam pump subassembly (704) are installed to the interior bottom wall of electrical control cabinet (104).