CN214224460U

CN214224460U - Nitrogen-filling pressure-maintaining leakage detection equipment for heat pump refrigerating unit

Info

Publication number: CN214224460U
Application number: CN202120326676.5U
Authority: CN
Inventors: 叶荣生; 邢君来
Original assignee: Quzhou Jinyuan Hongtai Refrigerant Co ltd
Current assignee: Quzhou Jinyuan Hongtai Refrigerant Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-17
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a heat pump refrigerating unit nitrogen-filling pressure-maintaining leak detection device, which comprises a bin body, two groups of filter screen plates are symmetrically arranged on two sides of the interior of the bin body, an air inlet pipe is arranged on the top of the bin body, a servo motor is arranged at the middle position of the bottom of the interior of the bin body, the output end of the servo motor is provided with a rotating rod A, the rotating rod A penetrates through the filter screen plates and extends to the interior of the air inlet pipe, a fan blade B is arranged at the top of the rotating rod A, and a fan blade A is sleeved at the middle position outside the rotating rod A; the utility model discloses the device can filter the nitrogen gas after the extraction through mutually supporting of filter plate and flabellum A, prevents that nitrogen gas concentration from too high forming the environment of oxygen deficiency, produces the condition of suffocating, not only can filter nitrogen gas, can also filter the impurity in the air on every side, and then makes operating personnel feel at ease more at the during operation.

Description

Nitrogen-filling pressure-maintaining leakage detection equipment for heat pump refrigerating unit

Technical Field

The utility model relates to a refrigerator technical field specifically is a heat pump refrigerating unit fills nitrogen pressurize leak hunting equipment.

Background

In the production process of the heat pump and the refrigerating system, leakage detection is required to be carried out to ensure the quality of the heat pump and the refrigerating system, and as the temperature of liquid nitrogen is low, the preparation is easy, the cost is low, and no pollution is caused, many enterprises adopt a nitrogen-filling pressure-maintaining leak detection method to carry out leak detection on a heat pump refrigerating unit in the production process of the heat pump and the refrigerating system, and directly discharge nitrogen into ambient air after the leak detection is finished without recycling, dozens of machines are produced every day, so that a large amount of nitrogen is wasted, and the nitrogen is directly discharged around a production line, although the harm of the nitrogen to human bodies is small, when the concentration is increased, the oxygen concentration in the air is reduced to be below 19.5 percent, an anoxic environment is formed, a suffocation effect is generated, and personal injury is possibly caused;

and the nitrogen filling, pressure maintaining and leakage detecting equipment of the existing heat pump refrigerating unit still has the obvious problems: 1. most of the existing devices can not extract nitrogen from multiple directions, so that the extraction efficiency of the device is reduced, and the extraction range of the device is also reduced; 2. most of the existing devices can not filter the extracted nitrogen, and an oxygen-deficient environment can be formed due to overhigh nitrogen concentration to generate a suffocation condition; 3. most of the existing devices do not hit the filter screen plate to generate vibration when the filter screen plate is used for filtering, and excessive impurities can block the filter screen and influence the normal operation of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat pump refrigerating unit fills nitrogen pressurize leak hunting equipment to provide current heat pump refrigerating unit fills nitrogen pressurize leak hunting equipment in solving above-mentioned background art, still there is comparatively obvious problem: 1. most of the existing devices can not extract nitrogen from multiple directions, so that the extraction efficiency of the device is reduced, and the extraction range of the device is also reduced; 2. most of the existing devices can not filter the extracted nitrogen, and an oxygen-deficient environment can be formed due to overhigh nitrogen concentration to generate a suffocation condition; 3. most of the existing devices do not hit the filter screen plate to generate vibration when the filter screen plate is used for filtering, and excessive impurities can block the filter screen and influence the normal operation of the device.

In order to achieve the above object, the utility model provides a following technical scheme: a heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device comprises a bin body, wherein two groups of filter screen plates are symmetrically arranged on two sides in the bin body, an air inlet pipe is arranged at the top of the bin body, a servo motor is arranged at the middle position of the bottom in the bin body, a rotating rod A is arranged at the output end of the servo motor and penetrates through the filter screen plates to extend into the air inlet pipe, a fan blade B is arranged at the top of the rotating rod A, the fan blade A is sleeved at the middle position of the outer side of the rotating rod A, rotating rods C are symmetrically arranged at the middle positions of the two groups in the bin body, two groups of lantern rings are uniformly sleeved outside the rotating rods C, impact blocks are arranged at the top and the bottom of the outer sides of the lantern rings, a bevel gear A is arranged on one side of the two groups of the rotating rods C close to each other, a bevel gear B is sleeved outside the rotating rod A, and bevel gear B and bevel gear A intermeshing, the inside bilateral symmetry of air intake pipe is provided with the installation pole, the intermediate position department cover of installation pole amount inside is equipped with dwang B, and dwang B runs through the inside of installation pole, dwang B's top is provided with flabellum C, dwang B's bottom is provided with gear A, the top cover in the dwang A outside is equipped with gear B, and gear B and gear A intermeshing, the bottom of storehouse body outside one side is provided with the nitrogen cylinder, the top of nitrogen cylinder output is provided with the pressure reducer, the output of nitrogen cylinder is provided with two-way stop valve, the top of the positive one end one side of storehouse body is provided with control panel, control panel passes through the wire and is connected with the servo motor electricity.

Preferably, the four corners of the bottom of the bin body are provided with supporting legs, and the bottoms of the supporting legs are provided with non-slip mats.

Preferably, the two sides of one end of the front surface of the bin body are symmetrically hinged with bin doors, and the middle positions of one sides, close to each other, of the front surfaces of the bin doors are provided with handles.

Preferably, the outer side of the servo motor is sleeved with a motor bin, and the motor bin is connected with the bottom inside the bin body.

Preferably, the air inlet pipe is made of a Y-shaped structure, and the air inlet pipe is communicated with the interior of the bin body.

Preferably, a bearing is sleeved on one side, close to the bin body, of the outer side of the rotating rod C, and the bearing is connected with the inner wall of the bin body.

Preferably, the impact block is made of a circular structure, and the impact block is attached to the filter screen plate.

Compared with the prior art, the beneficial effects of the utility model are that: the heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage detecting device;

1. through the mutual matching of the air inlet pipe, the gear A, the rotating rod B, the fan blade C and the gear B, the nitrogen can be extracted from multiple directions during the extraction of the nitrogen, so that the extraction efficiency of the device is improved, and the extraction range of the device is also improved;

2. through the mutual matching of the filter screen plate and the fan blade A, the extracted nitrogen can be filtered, the situation that the nitrogen is too high to form an oxygen-deficient environment and suffocate is prevented, the nitrogen can be filtered, impurities in the surrounding air can be filtered, and therefore an operator can feel more reassuring when working;

3. through lantern ring, dwang A, striking piece, bevel gear A, dwang C and bevel gear B's mutually supporting, can strike the production vibrations of crossing filter plate when crossing filter plate filterable, prevent that impurity is too much to cause the jam to the filter screen, and then make the more smooth and easy of device operation.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a perspective view of the air inlet pipe of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a bin body; 2. a servo motor; 3. a collar; 4. fan blade A; 5. rotating the rod A; 6. a gear A; 7. rotating the rod B; 8. fan blade B; 9. an air inlet pipe; 10. mounting a rod; 11. fan blades C; 12. a gear B; 13. a nitrogen gas cylinder; 14. a filter screen plate; 15. an impact block; 16. a control panel; 17. a bevel gear A; 18. rotating the rod C; 19. a bevel gear B; 20. a pressure reducer; 21. two-way stop valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device comprises a bin body 1, two groups of filter screen plates 14 are symmetrically arranged on two sides in the bin body 1, the extracted nitrogen can be filtered, the situation of oxygen deficiency caused by overhigh nitrogen concentration is prevented, suffocation is generated, the nitrogen can be filtered, impurities in ambient air can be filtered, and further operators feel more comfortable when working, an air inlet pipe 9 is arranged at the top of the bin body 1, a servo motor 2 is arranged at the middle position of the bottom in the bin body 1, a rotating rod A5 is arranged at the output end of the servo motor 2, a rotating rod A5 penetrates through the filter screen plates 14 and extends into the air inlet pipe 9, a fan blade B8 is arranged at the top of a rotating rod A5, a fan blade A4 is sleeved at the middle position of the outer side of the rotating rod A5, and C18 is symmetrically arranged at the middle positions of the two groups in the bin body 1, can collide the filter screen board to produce vibrations when filtering the filter screen board, prevent that too much impurity from causing the jam to the filter screen, and then make the device operation more smooth and easy, the even cover of outside of dwang C18 is equipped with two sets of lantern rings 3, the top and the bottom in the lantern ring 3 outside all are provided with striking block 15, one side that two sets of dwang C18 are close to each other is provided with bevel gear A17, the outside cover of dwang A5 is equipped with bevel gear B19, and bevel gear B19 and bevel gear A17 intermeshing, the inside bilateral symmetry of air-supply line 9 is provided with installation pole 10, the intermediate position department of installation pole 10 inside is equipped with dwang B7, and dwang B7 runs through the inside of installation pole 10, the top of dwang B7 is provided with flabellum C11, the bottom of dwang B7 is provided with gear A6, can extract from multiple directions when extracting nitrogen gas, not only improve the extraction efficiency of device, the scope of device extraction has still been improved, the top cover in the dwang A5 outside is equipped with gear B12, and gear B12 and gear A6 intermeshing, and the bottom of storehouse body 1 outside one side is provided with nitrogen cylinder 13, the top of nitrogen cylinder 13 output is provided with pressure reducer 20, the output of nitrogen cylinder 13 is provided with two way stop valve 21, and the top of the positive one end one side of the storehouse body 1 is provided with control panel 16, and control panel 16 passes through the wire and is connected with servo motor 2 electricity.

Further, the four corners department of storehouse body 1 bottom all is provided with the supporting leg, and the bottom of supporting leg is provided with the slipmat, is convenient for place.

Further, the bilateral symmetry of the positive one end in storehouse body 1 articulates there is the door, and the positive one end of door all is provided with the handle near the intermediate position of one side each other, is convenient for open and shut.

Further, the outside cover of servo motor 2 is equipped with the motor storehouse, and the bottom interconnect of motor storehouse and storehouse body 1 inside, is convenient for protect.

Further, the air inlet pipe 9 is made of a Y-shaped structure, and the air inlet pipe 9 is communicated with the inside of the bin body 1, so that air can be conveniently fed.

Further, one side cover that the dwang C18 outside is close to the storehouse body 1 is equipped with the bearing, and the bearing is connected with the inner wall interconnect of the storehouse body 1, is convenient for rotate.

Further, the impact block 15 is made of a circular structure, and the impact block 15 and the filter screen plate 14 are attached to each other, so that vibration is generated conveniently.

The working principle is as follows: the electric parts of the device are all powered by an external power supply, when in use, the device is firstly placed at a designated position, then the power supply is switched on, the control panel 16 is opened, then the two-way stop valve 21 is mutually communicated with an external pipeline, then the nitrogen cylinder 13 is opened to release nitrogen, the pressure of the nitrogen is reduced through the pressure reducer 20, then the nitrogen is injected into the pipeline for inspection, the pipeline welding point is observed and detected through soapy water smearing, when the nitrogen is required to be discharged after the detection is finished, the servo motor 2 is opened through the control panel 16, the rotating rod A5 is driven to rotate through the servo motor 2, the fan blade A4 and the fan blade B8 are driven to rotate through the rotating rod A5, the external nitrogen is pumped into the interior of the bin body 1, then the gear B12 is driven to rotate through the rotating rod A5, the gear A6 is driven to rotate through the gear B12, the rotating rod B7 is driven to rotate through the gear A6, the rotating rod B7 drives the fan blade C11 to rotate, the rotating rod B7 drives the fan blade C11 to rotate, the nitrogen is pumped into the interior of the bin body 1 from different directions through the fan blade C11, and then is filtered through the filter screen plate 14, the nitrogen is filtered and the surrounding air is filtered at the same time, the quality of the surrounding air is improved, and the nitrogen is filtered by the filter screen plate 14, the bevel gear B19 is driven to rotate by the rotating rod A5, the bevel gear A17 is driven to rotate by the bevel gear B19, the bevel gear A17 drives the rotating rod C18 to rotate, the rotating rod C18 drives the lantern ring 3 to rotate, drive striking block 15 through lantern ring 3 and rotate, strike filter screen plate 14 through striking block 15, prevent that filter screen plate 14 from taking place to block up and influence device normal use, filter the gas outlet discharge from storehouse body 1 inside both sides bottom again after accomplishing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a heat pump refrigerating unit fills nitrogen pressurize leak hunting equipment, includes the storehouse body (1), its characterized in that: the utility model discloses a novel air conditioner, including the storehouse body (1), the inside bilateral symmetry of the storehouse body (1) is provided with two sets of filter screen board (14), the top of the storehouse body (1) is provided with air-supply line (9), the intermediate position department of the inside bottom of the storehouse body (1) is provided with servo motor (2), the output of servo motor (2) is provided with dwang A (5), and dwang A (5) run through filter screen board (14) and extend to the inside of air-supply line (9), the top of dwang A (5) is provided with flabellum B (8), the intermediate position department cover in the dwang A (5) outside is equipped with flabellum A (4), the two sets of intermediate position department symmetry in the inside of the storehouse body (1) is provided with dwang C (18), the even cover in outside of dwang C (18) is equipped with two sets of lantern rings (3), the top and the bottom in the lantern ring (3) outside all are provided with striking piece (15), two sets of one side that dwang C (18) are close to each other is provided with bevel gear A (17), the outside cover of dwang A (5) is equipped with bevel gear B (19), and bevel gear B (19) and bevel gear A (17) intermeshing, the inside bilateral symmetry of air-supply line (9) is provided with installation pole (10), the intermediate position department cover of installation pole (10) volume inside is equipped with dwang B (7), and dwang B (7) run through the inside of installation pole (10), the top of dwang B (7) is provided with flabellum C (11), the bottom of dwang B (7) is provided with gear A (6), the top cover in the dwang A (5) outside is equipped with gear B (12), and gear B (12) and gear A (6) intermeshing, the bottom of the storehouse body (1) outside one side is provided with nitrogen gas bottle (13), the top of nitrogen cylinder (13) output is provided with pressure reducer (20), the output of nitrogen cylinder (13) is provided with two-way stop valve (21), the top of the positive one end one side of the storehouse body (1) is provided with control panel (16), control panel (16) are connected with servo motor (2) electricity through the wire.

2. The heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device as claimed in claim 1, wherein: the four corners department of storehouse body (1) bottom all is provided with the supporting leg, and the bottom of supporting leg is provided with the slipmat.

3. The heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device as claimed in claim 1, wherein: the bilateral symmetry of the positive one end of storehouse body (1) articulates there is the door, and the positive one end of door all is provided with the handle near the intermediate position of one side each other.

4. The heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device as claimed in claim 1, wherein: the outer side of the servo motor (2) is sleeved with a motor bin, and the motor bin is connected with the bottom inside the bin body (1).

5. The heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device as claimed in claim 1, wherein: the air inlet pipe (9) is made of a Y-shaped structure, and the air inlet pipe (9) is communicated with the interior of the bin body (1).

6. The heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device as claimed in claim 1, wherein: one side cover that the dwang C (18) outside is close to the storehouse body (1) is equipped with the bearing, and the bearing is interconnected with the inner wall of the storehouse body (1).

7. The heat pump refrigerating unit nitrogen-filling pressure-maintaining leakage-detecting device as claimed in claim 1, wherein: the impact block (15) is made of a circular structure, and the impact block (15) is attached to the filter screen plate (14).