CN219964269U

CN219964269U - Filter device for pulse tube refrigerator

Info

Publication number: CN219964269U
Application number: CN202321306581.2U
Authority: CN
Inventors: 刘卫滨
Original assignee: Dongfang Chenjing Nanjing Technology Co ltd
Current assignee: Dongfang Chenjing Nanjing Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-07
Anticipated expiration: 2033-05-26

Abstract

The utility model provides a filtering device for a pulse tube refrigerator, which belongs to the technical field of refrigerators and comprises a pulse tube refrigerator, wherein a fan is arranged at the left end of the pulse tube refrigerator, a filter frame is arranged on the right end wall of the pulse tube refrigerator, a cleaning component and a water collecting tank are arranged at the right end of the pulse tube refrigerator, and the water collecting tank is positioned at the lower end of the cleaning component. The utility model solves the problems that the existing pulse tube refrigerator can not filter dust or water vapor in the air entering the pulse tube refrigerator, parts in the pulse tube refrigerator are easily damaged due to dust aggregation and water vapor erosion, the cleaning difficulty of staff is increased, the service life of the pulse tube refrigerator is shortened, and the practicability is greatly reduced.

Description

Filter device for pulse tube refrigerator

Technical Field

The utility model belongs to the technical field of refrigerators, and particularly relates to a filtering device for a pulse tube refrigerator.

Background

Pulse tube refrigerators can be classified into a gas coupling type and a thermal coupling type according to their coupling modes. The thermally coupled pulse tube refrigerator is mainly composed of two parts: the cold head of the precooling pulse tube refrigerator is connected with the middle part of a regenerator of the low-temperature pulse tube refrigerator through a heat bridge to precool the regenerator, so that working air flow entering the low-temperature pulse tube refrigerator is precooled to a certain temperature, then a lower refrigerating temperature is generated at the cold head, in the process of heat dissipation and refrigeration of the refrigerator, external air can enter the refrigerator body, dust and water vapor mixed in the air also enter the refrigerator body, and therefore, the pulse tube refrigerator needs a filtering device to filter impurities.

The prior art CN217004963U discloses a gas coupling type multi-stage pulse tube refrigerator, which comprises a precooling stage pulse tube refrigerator, a hot end and a low-temperature stage pulse tube refrigerator, wherein the precooling stage pulse tube refrigerator comprises a precooling stage regenerator and a precooling stage pulse tube arranged on the inner side of the precooling stage regenerator, and the cold sides of the precooling stage regenerator and the precooling stage pulse tube are connected with a precooling stage deflector; the hot end is connected with the side, far away from the precooling-stage cold accumulator, of the precooling-stage flow guider, and a low-temperature-stage air reservoir is arranged in the hot end; the low-temperature-stage pulse tube refrigerator comprises a low-temperature-stage regenerator and a low-temperature-stage pulse tube arranged on the inner side of the low-temperature-stage regenerator, wherein a low-temperature-stage inertia tube is arranged at the top of the low-temperature-stage pulse tube, and one end of the low-temperature-stage inertia tube extends into the inner side of the low-temperature-stage gas reservoir. The device can't filter dust or steam in the air that gets into the pulse tube refrigerator, easily leads to the part in the pulse tube refrigerator to damage because of dust gathering, steam erosion, has increased the clearance degree of difficulty of staff, has reduced the life of pulse tube refrigerator, and the practicality greatly reduced.

Disclosure of Invention

The utility model provides a filtering device for a pulse tube refrigerator, which aims to solve the problems that the existing pulse tube refrigerator cannot filter dust or water vapor in air entering the pulse tube refrigerator, parts in the pulse tube refrigerator are easily damaged due to dust aggregation and water vapor erosion, the cleaning difficulty of staff is increased, the service life of the pulse tube refrigerator is shortened, and the practicability is greatly reduced.

The embodiment of the utility model provides a filtering device for a pulse tube refrigerator, which comprises the pulse tube refrigerator, wherein a fan is arranged at the left end of the pulse tube refrigerator, a filter frame is arranged on the right end wall of the pulse tube refrigerator, a cleaning component and a water collecting tank are arranged at the right end of the pulse tube refrigerator, and the water collecting tank is positioned at the lower end of the cleaning component.

Further, a through hole is formed in the upper end of the pulse tube refrigerator, and a mounting groove is reserved in the side wall of the pulse tube refrigerator.

By adopting the technical scheme, the cleaning assembly is convenient to install.

Further, the left end fixedly connected with fixing base of pulse tube refrigerator, the upper end of fixing base with the lower extreme fixed connection of fan.

Through adopting above-mentioned technical scheme, the setting of fan is convenient for dry in the pulse tube refrigerator, has avoided the harm of the steam that moisture or clean subassembly produced to the part in the pulse tube refrigerator, has prolonged the life of part in the pulse tube refrigerator, has reduced the maintenance cost of pulse tube refrigerator.

Further, a bolt is connected to the filter frame in a threaded manner, the filter frame is connected with the pulse tube refrigerator through the bolt, a ventilation port is reserved on the filter frame, and a filter screen is fixedly connected to the inner side of the filter frame.

Through adopting above-mentioned technical scheme, the setting of filter screen is convenient for filter the dust in the air that gets into pulse tube refrigerator, has prevented the harm of dust to each part in the pulse tube refrigerator, and the filter frame is connected through the bolt with the pulse tube refrigerator, and the dismantlement and the installation of filter frame of being convenient for are convenient for when the filter screen damages, the change of filter screen of being convenient for, and easy and simple to handle has improved the filter efficiency of filter screen to the dust.

Further, the cleaning component comprises an electric sliding rail arranged in the mounting groove, an electric sliding block is connected to the electric sliding rail in a sliding manner, a connecting rod is fixedly connected to the electric sliding block, a sliding groove and a through groove are reserved on the connecting rod, a limiting block is connected to the sliding groove in a sliding manner, a spring is fixedly connected to the left end of the limiting block, the left end of the spring is fixedly connected with the sliding groove, a connecting block is fixedly connected to the right end of the limiting block, the right end of the connecting block penetrates through the through groove, a water pipe is fixedly connected to the right end of the connecting block, a water outlet hole is formed in the right end of the water pipe, a brush is connected to the right end of the water pipe, a water inlet pipe is communicated with the upper end of the water pipe, a telescopic pipe is communicated with the upper end of the water inlet pipe, and the upper end of the telescopic pipe penetrates through the through hole.

Through adopting above-mentioned technical scheme, start electronic slide rail and electronic slider, electronic slider reciprocates and drives the connecting rod and reciprocate, and then drive raceway and brush and remove, the brush contacts with the filter screen, the brush of being convenient for is to scraping of accumulating the dust on the filter screen, simultaneously pour into clear water to the raceway through flexible pipe and inlet tube, the clear water flows through the apopore, the cooperation brush, be convenient for fully clear away the dust of adhesion on the filter screen, the filtration efficiency of filter screen has been improved, the practicality is strong, when the brush brushes the filter screen, the brush contacts with the filter screen has the interaction force, the brush promotes connecting block and stopper left, utilize the elasticity of spring, be convenient for provide displacement space for the brush, the brush is avoided causing the scratch to the filter screen when wasing the filter screen, the life of filter screen has been prolonged, maintenance cost has been practiced thrift, the practicality is strong.

Further, the right end of the water collection tank is communicated with a drain pipe, and the drain pipe penetrates through the right end wall of the pulse tube refrigerator.

Through adopting above-mentioned technical scheme, clean subassembly is washed the water after the filter screen, and the downward inflow water catch bowl to discharge through the drain pipe, the discharge of the washing waste water of being convenient for.

The beneficial effects of the utility model are as follows:

1. the utility model is convenient to dry the inside of the pulse tube refrigerator by the arrangement of the fan, avoids the damage of moisture or water vapor generated by the cleaning component to the parts in the pulse tube refrigerator, prolongs the service life of the parts in the pulse tube refrigerator and reduces the maintenance cost of the pulse tube refrigerator.

2. The filter screen is arranged so as to conveniently filter dust in air entering the pulse tube refrigerator, the damage of the dust to all parts in the pulse tube refrigerator is prevented, the filter frame is connected with the pulse tube refrigerator through bolts, the filter frame is convenient to detach and mount, when the filter screen is damaged, the filter screen is convenient to replace, the operation is simple and convenient, and the filtering efficiency of the filter screen on the dust is improved.

3. According to the utility model, through the arrangement of the cleaning assembly, the electric sliding rail and the electric sliding block are started, the electric sliding block moves up and down to drive the connecting rod to move up and down, and then the water delivery pipe and the brush are driven to move, the brush is contacted with the filter screen, so that dust accumulated on the filter screen is conveniently scraped by the brush, meanwhile, clear water is injected into the water delivery pipe through the telescopic pipe and the water inlet pipe, and flows out through the water outlet hole, and the dust adhered on the filter screen is conveniently and fully removed by matching with the brush.

4. According to the utility model, through the arrangement of the water collecting tank, the water after the filter screen is washed by the cleaning component flows downwards into the water collecting tank and is discharged through the drain pipe, so that the discharge of the cleaning wastewater is facilitated.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a front cross-sectional structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the portion a of FIG. 1 according to an embodiment of the present utility model.

Reference numerals: 1. a pulse tube refrigerator; 11. a through hole; 12. a mounting groove; 2. a blower; 21. a fixing seat; 3. a filter frame; 31. a bolt; 32. a ventilation port; 33. a filter screen; 4. a cleaning assembly; 41. an electric slide rail; 42. an electric slide block; 43. a connecting rod; 44. a chute; 45. a limiting block; 46. a spring; 47. a through groove; 48. a connecting block; 49. a water pipe; 410. a water outlet hole; 411. a brush; 412. a water inlet pipe; 413. a telescopic tube; 5. a water collection tank; 51. and (5) a water drain pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present utility model. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Referring to fig. 1-3, an embodiment of the present utility model provides a filtering device for a pulse tube refrigerator, which includes a pulse tube refrigerator 1, a through hole 11 is formed at an upper end of the pulse tube refrigerator 1, and a mounting groove 12 is reserved on a sidewall of the pulse tube refrigerator 1, so that the cleaning component 4 is convenient to install.

Referring to fig. 1-2, a blower fan 2 is arranged at the left end of the pulse tube refrigerator 1, a fixing seat 21 is fixedly connected to the left end of the pulse tube refrigerator 1, the upper end of the fixing seat 21 is fixedly connected with the lower end of the blower fan 2, and the blower fan 2 is arranged to facilitate drying of the interior of the pulse tube refrigerator 1, so that damage of moisture or water vapor generated by a cleaning assembly 4 to parts in the pulse tube refrigerator 1 is avoided, the service life of the parts in the pulse tube refrigerator 1 is prolonged, and the maintenance cost of the pulse tube refrigerator 1 is reduced.

Referring to fig. 1-2, a filter frame 3 is arranged on the right end wall of the pulse tube refrigerator 1, bolts 31 are connected to the filter frame 3 in a threaded manner, the filter frame 3 is connected with the pulse tube refrigerator 1 through the bolts 31, a ventilation port 32 is reserved on the filter frame 3, a filter screen 33 is fixedly connected to the inner side of the filter frame 3, dust in air entering the pulse tube refrigerator 1 is conveniently filtered by the arrangement of the filter screen 33, damage of the dust to various parts in the pulse tube refrigerator 1 is prevented, the filter frame 3 is connected with the pulse tube refrigerator 1 through the bolts 31, the filter frame 3 is convenient to detach and install, when the filter screen 33 is damaged, the filter screen 33 is convenient to replace, the operation is simple and convenient, and the filtering efficiency of the filter screen 33 on dust is improved.

Referring to fig. 1-3, the right end of pulse tube refrigerator 1 is provided with cleaning component 4, cleaning component 4 includes electric slide rail 41 installed in mounting groove 12, electric slide rail 41 is connected with electric slide block 42 in a sliding way, electric slide block 42 is connected with connecting rod 43 in a fixed way, slide groove 44 and through groove 47 are reserved on connecting rod 43, limit block 45 is connected with slide groove 44 in a sliding way, the left end of limit block 45 is connected with spring 46 in a fixed way, the left end of spring 46 is connected with slide groove 44 in a fixed way, the right end of limit block 45 is connected with connecting block 48 in a fixed way, the right end of connecting block 48 passes through groove 47, the right end of connecting block 48 is connected with water pipe 49 in a fixed way, the right end of water pipe 49 is provided with water outlet 410, the right end of water pipe 49 is connected with brush 411 in a fixed way, the upper end of water pipe 49 is connected with water inlet pipe 412, the upper end of water pipe 412 is connected with telescopic pipe 413, the upper end of telescopic pipe 413 passes through hole 11, the electric slide rail 41 and the electric slide block 42 are started, the electric slide block 42 moves up and down to drive the connecting rod 43 to move up and down, and then the water delivery pipe 49 and the brush 411 are driven to move, the brush 411 is contacted with the filter screen 33, the brush 411 is convenient to scrape accumulated dust on the filter screen 33, meanwhile clear water is injected into the water delivery pipe 49 through the telescopic pipe 413 and the water inlet pipe 412, the clear water flows out through the water outlet hole 410, and the brush 411 is matched, so that the dust adhered on the filter screen 33 is convenient to be fully cleaned, the filtering efficiency of the filter screen 33 is improved, the practicability is strong, when the brush 411 brushes the filter screen 33, the brush 411 is contacted with the filter screen 33, the interaction force is generated, the brush 411 pushes the connecting block 48 and the limiting block 45 leftwards, the elasticity of the spring 46 is utilized, the displacement space is convenient to be provided for the brush 411, the scraping of the filter screen 33 is avoided when the filter screen 33 is cleaned, the service life of the filter screen 33 is prolonged, the maintenance cost is saved, and the practicability is strong.

Referring to fig. 1-2, the right end of pulse tube refrigerator 1 is provided with water collection tank 5, the right end of water collection tank 5 communicates with drain pipe 51, drain pipe 51 runs through the right end wall of pulse tube refrigerator 1, and cleaning assembly 4 flows water after washing filter screen 33 down into water collection tank 5 to discharge through drain pipe 51, be convenient for the discharge of washing wastewater.

The implementation mode specifically comprises the following steps: when the electric refrigerator is used, the electric sliding rail 41 and the electric sliding block 42 are started, the electric sliding block 42 moves up and down to drive the connecting rod 43 to move up and down, the water conveying pipe 49 and the brush 411 are driven to move, the brush 411 is in contact with the filter screen 33, dust accumulated on the filter screen 33 is scraped, meanwhile clear water is injected into the water conveying pipe 49 through the telescopic pipe 413 and the water inlet pipe 412, the clear water flows out through the water outlet hole 410 and is matched with the brush 411, dust adhered on the filter screen 33 is fully removed, the washed water flows downwards into the water collecting tank 5 and is discharged through the water discharging pipe 51, the fan 2 is started to dry the inside of the pulse tube refrigerator 1, when the filter screen 33 is damaged, the bolt 31 is unscrewed, and the filter frame 3 is taken down for replacement.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a filter equipment for pulse tube refrigerator, includes pulse tube refrigerator (1), its characterized in that, the left end of pulse tube refrigerator (1) is provided with fan (2), be provided with filter frame (3) on the right-hand member wall of pulse tube refrigerator (1), the right-hand member of pulse tube refrigerator (1) is provided with clean subassembly (4) and water catch bowl (5), water catch bowl (5) are located the lower extreme of clean subassembly (4).

2. The filtering device for a pulse tube refrigerator according to claim 1, wherein a through hole (11) is formed at the upper end of the pulse tube refrigerator (1), and a mounting groove (12) is reserved on the side wall of the pulse tube refrigerator (1).

3. The filtering device for a pulse tube refrigerator according to claim 1, wherein a fixing base (21) is fixedly connected to the left end of the pulse tube refrigerator (1), and the upper end of the fixing base (21) is fixedly connected to the lower end of the fan (2).

4. The filtering device for a pulse tube refrigerator according to claim 1, wherein a bolt (31) is connected to the filter frame (3) in a threaded manner, the filter frame (3) is connected to the pulse tube refrigerator (1) through the bolt (31), a ventilation port (32) is reserved on the filter frame (3), and a filter screen (33) is fixedly connected to the inner side of the filter frame (3).

5. The filtering device for the pulse tube refrigerator according to claim 2, wherein the cleaning assembly (4) comprises an electric sliding rail (41) arranged in a mounting groove (12), the electric sliding rail (41) is connected with an electric sliding block (42) in a sliding manner, a connecting rod (43) is fixedly connected with the electric sliding block (42), a sliding groove (44) and a through groove (47) are reserved on the connecting rod (43), a limiting block (45) is connected in the sliding groove (44) in a sliding manner, a spring (46) is fixedly connected to the left end of the limiting block (45), a connecting block (48) is fixedly connected to the left end of the spring (46) and the sliding groove (44), the right end of the connecting block (48) penetrates through the through groove (47), a water pipe (49) is fixedly connected to the right end of the connecting block (48), a water outlet hole (410) is reserved in the right end of the water pipe (49), a brush 411 is connected to the right end of the water pipe (49), a water inlet pipe (412) is connected with the left end of the water pipe (412), and the water pipe (413) is connected with the right end of the water pipe (413).

6. The filtering device for a pulse tube refrigerator according to claim 1, wherein a drain pipe (51) is connected to the right end of the water collecting tank (5), and the drain pipe (51) penetrates the right end wall of the pulse tube refrigerator (1).