Liquid filling device of lithium bromide absorption heat pump

Abstract

The utility model relates to the technical field of lithium bromide absorption type heat pumps, discloses a liquid filling device of a lithium bromide absorption type heat pump, and solves the problems that impurities brought in in the production or transportation process are possibly contained in a solution, and the impurities are filled into the absorption type heat pump, so that equipment failure or low working efficiency is easily caused. A liquid filling device of a lithium bromide absorption heat pump comprises a movable box, a box door, universal wheels, a liquid storage tank, a first liquid suction pipe, a liquid injection pipe and a filtering assembly, when a solution enters a filtering box, impurities in the solution can be conveniently filtered under the action of a filtering plate, the filtered solution enters the liquid storage tank through the first liquid suction pipe, and the liquid injection pipe is arranged in the liquid storage tank. The reciprocating screw rod is driven to rotate through the micro motor, and the reciprocating screw rod rotates to drive the sliding block to move up and down, so that the scraping plate and the brush are driven to move along the outer surface of the filter plate, the filter plate is conveniently cleaned, and the cleaning effect of the filter plate is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium bromide absorption heat pumps, in particular to a liquid filling device for a lithium bromide absorption heat pump. Background Art

[0002] A lithium bromide absorption heat pump is a heat pump system that uses lithium bromide solution as an absorbent. It is primarily used for heating, cooling, or heat recovery. Its basic principle is to convert heat energy into energy by absorbing and releasing water vapor in the lithium bromide solution.

[0003] Lithium bromide absorption heat pumps require priming with solution and refrigerant water before use. This process ensures proper system operation and performance. Priming is not only a necessary step for initial installation but also crucial for long-term stable operation. However, the lithium bromide solution may contain impurities such as tiny particles, metal shavings, and dust introduced during production or transportation. If these impurities are not filtered out, they can accumulate inside the absorption heat pump after being filled, leading to equipment failure or reduced efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a liquid filling device for a lithium bromide absorption heat pump. By adopting the device, the problem that the solution may contain impurities brought in during production or transportation, and these impurities may easily cause equipment failure or reduced working efficiency when filled into the absorption heat pump, is solved.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a liquid filling device for a lithium bromide absorption heat pump, comprising a movable box, a box door arranged on one side of the movable box, and a universal wheel movably connected to the bottom end of the movable box, a liquid storage tank being arranged inside the movable box, a first liquid suction pipe and a liquid injection pipe being arranged on the outer surface of the liquid storage tank, the first liquid suction pipe and the liquid injection pipe being arranged symmetrically about the liquid storage tank, both of which pass through the movable box, and a filter assembly for filtering impurities being provided at one end of the first liquid suction pipe;

[0006] The filter assembly includes a filter box fixedly connected to one end of the first pipette, a box cover arranged at the top of the filter box, a filter plate movably connected to the bottom end of the box cover, a micro motor fixedly connected to the top end of the box cover, a reciprocating screw fixedly connected to the output end of the micro motor, a slider threadedly connected to the outer surface of the reciprocating screw, a scraper fixedly connected to one side of the slider, and a brush fixedly connected to one side of the scraper. The outer surface of the filter plate is provided with filter holes, and the reciprocating screw passes through the box cover.

[0007] Furthermore, a limiting groove is provided at the top of the filter box, a first limiting hole is provided on the inner wall of the limiting groove, a second limiting hole is provided on the top of the box cover, a limiting rod is movably connected between the first limiting hole and the second limiting hole, the outer surface of the limiting rod is movably connected to the limiting block, and the limiting groove and the box cover are correspondingly arranged.

[0008] Furthermore, a rotation groove is provided on the inner wall of the filter box, and the reciprocating screw rod is movably connected to the rotation groove.

[0009] Furthermore, a sealing gasket is provided at the connection between the limiting groove and the box cover, and the sealing gasket is a component made of rubber material.

[0010] Furthermore, the brush contacts the outer surface of the filter plate, the filter plate contacts the inner wall of the filter box, and a second liquid pipette is provided on a side of the filter box away from the first liquid pipette.

[0011] Furthermore, a first valve is fixedly connected to the outer surface of the first liquid suction tube, and a second valve is fixedly connected to the outer surface of the liquid injection tube.

[0012] Furthermore, a vacuum pump is fixedly installed on the top of the movable box, and a connecting pipe is fixedly connected between the vacuum pump and the liquid storage tank, and the connecting pipe runs through the movable box.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The utility model proposes a liquid filling device for a lithium bromide absorption heat pump. When a first liquid suction pipe absorbs a solution from the outside, the solution enters the interior of a filter box. At this time, under the action of a filter plate, impurities in the solution are easily filtered. The filter holes are convenient for effectively intercepting impurities in the solution to ensure the purity of the solution. The filtered solution enters the interior of a liquid storage tank through the first liquid suction pipe. A reciprocating screw is driven to rotate by a micro motor. The rotation of the reciprocating screw drives the slider to move up and down, thereby driving a scraper and a brush to move along the outer surface of the filter plate, which is convenient for cleaning the filter plate to ensure the cleaning effect of the filter plate. This solves the problem that the solution may contain impurities brought in during production or transportation, and these impurities are easily caused to malfunction of the equipment or reduce working efficiency when poured into the absorption heat pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the interior and exterior surfaces of the movable box of the utility model;

[0017] Figure 3 This is a schematic diagram of the filter assembly structure of the utility model Figure 1 ;

[0018] Figure 4 This is a schematic diagram of the filter box structure of the present utility model;

[0019] Figure 5 This is a schematic diagram of the filter assembly structure of the utility model Figure 2 .

[0020] In the figure: 1. movable box; 11. box door; 12. universal wheel; 2. liquid storage tank; 3. vacuum pump; 31. connecting pipe; 4. first suction pipe; 41. first valve; 5. injection pipe; 51. second valve; 6. filter assembly; 61. filter box; 611. rotating groove; 612. limiting groove; 6121. first limiting hole; 6122. sealing gasket; 613. second suction pipe; 62. box cover; 621. second limiting hole; 63. filter plate; 631. filter hole; 64. micro motor; 65. reciprocating screw; 66. slider; 67. scraper; 68. brush; 7. limiting rod; 71. limiting block. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0023] Combine Figure 1-Figure 2 A liquid filling device for a lithium bromide absorption heat pump includes a movable box 1, a box door 11 arranged on one side of the movable box 1, and a universal wheel 12 movably connected to the bottom end of the movable box 1. A liquid storage tank 2 is arranged inside the movable box 1, and a first liquid suction pipe 4 and a liquid injection pipe 5 are arranged on the outer surface of the liquid storage tank 2. The first liquid suction pipe 4 and the liquid injection pipe 5 are symmetrically arranged about the liquid storage tank 2. The first liquid suction pipe 4 and the liquid injection pipe 5 both pass through the movable box 1. A filter component 6 for filtering impurities is provided at one end of the first liquid suction pipe 4.

[0024] The present invention will be further described below with reference to the embodiments.

[0025] Example 1:

[0026] See also Figure 1-Figure 5The filter assembly 6 includes a filter box 61 fixedly connected to one end of the first liquid pipette 4, a box cover 62 arranged at the top of the filter box 61, a filter plate 63 movably connected to the bottom end of the box cover 62, a micro motor 64 fixedly connected to the top of the box cover 62, a reciprocating screw 65 fixedly connected to the output end of the micro motor 64, a slider 66 threadedly connected to the outer surface of the reciprocating screw 65, a scraper 67 fixedly connected to one side of the slider 66, and a brush 68 fixedly connected to one side of the scraper 67. A filter hole 631 is opened on the outer surface of the filter plate 63, and the reciprocating screw 65 passes through the box cover 62. The first suction pipe 4 is provided with a filter box 61, and the filter box 61 is provided with a filter box 61. The filter box 61 is provided with a filter box 61, and the filter plate 63 is provided with a filter hole 631. The reciprocating screw 65 passes through the box cover 62. When the liquid pipe 4 absorbs the solution from the outside, the solution enters the filter box 61. At this time, under the action of the filter plate 63, the impurities in the solution are filtered out. The filter hole 631 is convenient for effectively intercepting the impurities in the solution to ensure the purity of the solution. The filtered solution enters the liquid storage tank 2 through the first pipette 4, and the reciprocating screw 65 is driven to rotate by the micro motor 64. The rotation of the reciprocating screw 65 drives the slider 66 to move up and down, thereby driving the scraper 67 and the brush 68 to move along the outer surface of the filter plate 63, so as to facilitate the cleaning of the filter plate 63 to ensure the cleaning effect of the filter plate 63.

[0027] A limiting groove 612 is provided at the top of the filter box 61, and a first limiting hole 6121 is provided on the inner wall of the limiting groove 612. A second limiting hole 621 is provided at the top of the box cover 62. The first limiting hole 6121 and the second limiting hole 621 are movably connected with the limiting rod 7. The outer surface of the limiting rod 7 is movably connected with the limiting block 71. The limiting groove 612 is arranged corresponding to the box cover 62. The box cover 62 is engaged with the limiting groove 612 so that the first limiting hole 6121 is aligned with the second limiting hole 621. Then the limiting rod 7 is inserted and fixed by the limiting block 71, so as to facilitate fixing the box cover 62. The limiting block 71 and the limiting rod 7 are removed. At this time, it is easy to separate the box cover 62 from the filter box 61, so as to facilitate removing the filter plate 63 and the brush 68 from the inside of the filter box 61 for replacement or cleaning.

[0028] A rotation groove 611 is provided on the inner wall of the filter box 61, and the reciprocating screw rod 65 is movably connected to the rotation groove 611. The rotation groove 611 provides a stable guide for the reciprocating screw rod 65 to prevent the reciprocating screw rod 65 from deflecting or shaking during rotation, thereby improving the stability and reliability of the entire device.

[0029] A sealing gasket 6122 is provided at the connection between the limiting groove 612 and the box cover 62. The sealing gasket 6122 is a component made of rubber material. The sealing gasket 6122 is convenient for effectively sealing the connection between the box cover 62 and the filter box 61 to prevent the solution from leaking out from the gap during the filling process.

[0030] The brush 68 contacts the outer surface of the filter plate 63, the filter plate 63 contacts the inner wall of the filter box 61, and a second pipette 613 is provided on the side of the filter box 61 away from the first pipette 4. The brush 68 contacts the outer surface of the filter plate 63 to facilitate the removal of impurities on the outer surface of the filter plate 63, and the filter plate 63 contacts the inner wall of the filter box 61 to facilitate the filtration of impurities in the solution and reduce dead angles in filtration.

[0031] A first valve 41 is fixedly connected to the outer surface of the first pipette 4, and a second valve 51 is fixedly connected to the outer surface of the injection tube 5. The first valve 41 is convenient for controlling the flow of solution flowing through the first pipette 4, and the second valve 51 is convenient for controlling the flow of solution flowing through the injection tube 5.

[0032] A vacuum pump 3 is fixedly installed on the top of the movable box 1, and a connecting pipe 31 is fixedly connected between the vacuum pump 3 and the liquid storage tank 2. The connecting pipe 31 runs through the movable box 1. When filling the liquid, start the vacuum pump 3 to pump the solution from the solution barrel into the liquid storage tank 2, and fill the liquid injection pipe 5 connected to the absorption heat pump. After the liquid level inside the liquid storage tank 2 reaches a certain height, turn off the vacuum pump 3 and open the second valve 51 to facilitate the filling of the solution into the heat pump.

[0033] When in use, the second liquid suction pipe 613 is connected to the external solution barrel, and the injection pipe 5 is connected to the absorption heat pump. When filling, the vacuum pump 3 is started to pump the solution from the solution barrel into the liquid storage tank 2. In this process, the solution enters the filter box 61, and the impurities inside the solution are filtered under the action of the filter plate 63. The filter hole 631 is convenient for effectively intercepting impurities in the solution to ensure the purity of the solution. The filtered solution enters the liquid storage tank 2 through the first liquid suction pipe 4, and the reciprocating screw 65 is driven to rotate by the micro motor 64. The rotation of the reciprocating screw 65 drives the slider 66 to move up and down, thereby driving the scraper 67 and the brush 68 to move along the outer surface of the filter plate 63, so as to facilitate cleaning of the filter plate 63 and ensure the cleaning effect of the filter plate 63. The injection pipe 5 connected to the absorption heat pump is filled. After the liquid level inside the liquid storage tank 2 reaches a certain height, the vacuum pump 3 is turned off and the second valve 51 is opened to facilitate filling the solution into the heat pump.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filling device for a lithium bromide absorption heat pump, comprising a movable box (1), a box door (11) arranged on one side of the movable box (1), and a universal wheel (12) movably connected to the bottom end of the movable box (1), characterized in that: The movable box (1) is provided with a liquid storage tank (2) inside, and a first liquid suction pipe (4) and a liquid injection pipe (5) are provided on the outer surface of the liquid storage tank (2). The first liquid suction pipe (4) and the liquid injection pipe (5) are symmetrically arranged with respect to the liquid storage tank (2). Both the first liquid suction pipe (4) and the liquid injection pipe (5) pass through the movable box (1), and a filter assembly (6) for filtering impurities is provided at one end of the first liquid suction pipe (4); The filter assembly (6) comprises a filter box (61) fixedly connected to one end of the first liquid pipette (4), a box cover (62) arranged at the top of the filter box (61), a filter plate (63) movably connected to the bottom end of the box cover (62), a micro motor (64) fixedly connected to the top of the box cover (62), a reciprocating screw (65) fixedly connected to the output end of the micro motor (64), a slider (66) threadedly connected to the outer surface of the reciprocating screw (65), a scraper (67) fixedly connected to one side of the slider (66), and a brush (68) fixedly connected to one side of the scraper (67), a filter hole (631) is opened on the outer surface of the filter plate (63), and the reciprocating screw (65) passes through the box cover (62).

2. The filling device for a lithium bromide absorption heat pump according to claim 1, characterized in that: The filter box (61) has a limiting groove (612) at the top, a first limiting hole (6121) at the inner wall of the limiting groove (612), a second limiting hole (621) at the top of the box cover (62), a limiting rod (7) movably connected between the first limiting hole (6121) and the second limiting hole (621), an outer surface of the limiting rod (7) movably connected to a limiting block (71), and the limiting groove (612) and the box cover (62) are correspondingly arranged.

3. The filling device for a lithium bromide absorption heat pump according to claim 2, characterized in that: A rotating groove (611) is provided on the inner wall of the filter box (61), and the reciprocating screw rod (65) is movably connected to the rotating groove (611).

4. The filling device for a lithium bromide absorption heat pump according to claim 3, characterized in that: A sealing gasket (6122) is provided at the connection between the limiting groove (612) and the box cover (62), and the sealing gasket (6122) is a component made of rubber material.

5. The filling device for a lithium bromide absorption heat pump according to claim 4, characterized in that: The brush (68) contacts the outer surface of the filter plate (63), the filter plate (63) contacts the inner wall of the filter box (61), and a second liquid suction pipe (613) is provided on the side of the filter box (61) away from the first liquid suction pipe (4).

6. The filling device for a lithium bromide absorption heat pump according to claim 5, characterized in that: The outer surface of the first liquid suction tube (4) is fixedly connected to a first valve (41), and the outer surface of the liquid injection tube (5) is fixedly connected to a second valve (51).

7. The filling device for a lithium bromide absorption heat pump according to claim 6, characterized in that: A vacuum pump (3) is fixedly installed on the top of the movable box (1), and a connecting pipe (31) is fixedly connected between the vacuum pump (3) and the liquid storage tank (2), and the connecting pipe (31) passes through the movable box (1).

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