Full-automatic constant-pressure water replenishing device of heating ventilation air conditioner

Abstract

The utility model relates to the technical field of constant-pressure water replenishing, and discloses a full-automatic constant-pressure water replenishing device for a heating ventilation air conditioner, which comprises a base, a constant-pressure tank, a water replenishing pump, a control box and a filter box are respectively mounted on the upper surface of the base, a water inlet pipe is mounted on the side surface of the filter box, and a mounting ring is rotatably connected to the inner top wall of the filter box. A connecting pipe is fixedly connected to the inner wall of the mounting ring, and a rotating hole is formed in the upper surface of the filter box. According to the full-automatic constant-pressure water replenishing device of the heating ventilation air conditioner, water in the external water tank is conveyed into the filter tank, a water replenishing pump pumps out the water in the filter tank through a connecting pipe, before the water enters the connecting pipe, impurities in the water can be filtered out through filtering of a filtering cover, a driving motor is started, the driving motor drives the connecting pipe to rotate, and the water in the filter tank is replenished. At the moment, the mounting ring drives the filtering cover to rotate through the connecting ring, the scraping plate can scrape off impurities attached to the filtering cover, the filtering effect is guaranteed, and therefore the device can filter the impurities in water, and stable operation of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of constant-pressure water replenishment, and more specifically to a full-automatic constant-pressure water replenishment device for a heating, ventilation and air conditioning system. Background Art

[0002] The fully automatic constant pressure water replenishment device for HVAC is used as a pressure-stabilizing expansion water replenishment device in heating and air-conditioning systems. The constant pressure water replenishment device is a constant pressure water replenishment device commonly used in air-conditioning and heating systems. The main structure of the existing constant pressure water replenishment device is a constant pressure tank, a water replenishment pump and a control box. The constant pressure tank completes the water transportation through the contraction of the air bag inside it. The water replenishment pump can transport water to the constant pressure tank in time. The liquid inlet of the water replenishment pump is generally connected to the water tank through a pipe.

[0003] However, the water in the water tank contains a lot of impurities. If it is not filtered, the impurities will be transported to the constant pressure tank through the water supply pump, causing more impurities to adhere to the constant pressure tank, making it inconvenient to clean. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a fully automatic constant-pressure water replenishing device for a heating, ventilation and air conditioning system to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a fully automatic constant pressure water replenishment device for heating, ventilation and air conditioning, comprising a base, a constant pressure tank, a water replenishment pump, a control box and a filter box are respectively installed on the upper surface of the base, a water inlet pipe is installed on the side of the filter box, a mounting ring is rotatably connected to the inner top wall of the filter box, a connecting pipe is fixedly connected to the inner wall of the mounting ring, a rotating hole is opened on the upper surface of the filter box, the surface of the connecting pipe is rotatably connected to the inner wall of the rotating hole, a connecting ring is fixedly connected to the lower surface of the mounting ring by bolts, a filter cover is fixedly connected to the lower surface of the connecting ring, a plurality of filter holes are opened on the surface of the filter cover, a scraper is fixedly connected to the inner top wall of the filter box, and the surface of the scraper overlaps the surface of the filter cover;

[0006] A driving motor for driving the connecting pipe to rotate is installed on the upper surface of the filter box. The liquid inlet end of the water replenishment pump is fixedly connected with a connecting pipe, and the liquid inlet end of the connecting pipe is rotatably connected to the liquid outlet end of the connecting pipe.

[0007] A further solution is that the output end of the driving motor is fixedly connected to a first bevel gear, the surface of the connecting pipe is fixedly connected to a second bevel gear, and the surface of the first bevel gear is meshed with the surface of the second bevel gear.

[0008] The solution is further that a support bar is fixedly connected to the upper surface of the base, and a round-shaped mounting block is sleeved on the surface of the support bar, and the side of the round-shaped mounting block is fixedly connected to the side of the control box, and the lower surface of the control box is fixedly connected to the mounting bar, and both sides of the mounting bar are provided with T-slots, and the inner wall of the T-slot is slidably connected with a T-shaped insertion strip, and the T-shaped insertion strip and the opposite surface of the T-slot are fixedly connected with a spring, and the lower surface of the T-shaped insertion strip is fixedly connected to an operating block, and the lower surface of the mounting bar is provided with a sliding opening connected to the inside of the T-slot, and the surface of the operating block overlaps with the inner wall of the sliding opening, and the side of the support bar is provided with a plurality of positioning grooves matched with the T-shaped insertion strip, and the surface of the T-shaped insertion strip overlaps with the inner wall of the positioning groove, and a box door is installed on the upper surface of the filter box, a drain pipe is installed on the back of the filter box, and a valve is installed on the surface of the drain pipe.

[0009] Technical effects and advantages of the utility model:

[0010] 1. The HVAC fully automatic constant pressure water replenishment device, the water in the external water tank is transported to the filter box, the water replenishment pump draws the water out of the filter box through the connecting pipe, before the water enters the connecting pipe, it will be filtered through the filter cover to filter the impurities in the water, and the drive motor is started, the drive motor drives the connecting pipe to rotate, at this time the mounting ring drives the filter cover to rotate through the connecting ring, the scraper can scrape off the impurities attached to the filter cover to ensure the filtering effect, so that the device can filter the impurities in the water and ensure the stable operation of the device.

[0011] 2. For this HVAC fully automatic constant pressure water replenishment device, press the operating block, and the operating block drives the T-shaped insert to be pulled out of the positioning groove. At this time, the control box can be moved to adjust the height. Release the operating block, and under the elastic force of the spring, the T-shaped insert is inserted into the new positioning groove to fix the height of the control box, thereby adjusting the height of the control box and facilitating the operation of staff of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the front section structure of the filter box of the utility model.

[0014] Figure 3 It is a schematic diagram of the front section structure of the installation strip of the utility model.

[0015] The accompanying drawings are marked as: 1 base, 2 constant pressure tank, 3 water supply pump, 4 control box, 5 filter box, 6 mounting ring, 7 connecting pipe, 8 connecting ring, 9 filter cover, 10 scraper, 11 drive motor, 12 first bevel gear, 13 second bevel gear, 14 support bar, 15 circular mounting block, 16 mounting bar, 17 T-shaped insert, 18 spring, 19 operating block. DETAILED DESCRIPTION

[0016] A fully automatic constant pressure water supply device for HVAC, referring to Figure 1-3 , including a base 1, the upper surface of which are respectively installed with a constant pressure tank 2, a water supply pump 3, a control box 4 and a filter box 5, the upper surface of the filter box 5 is installed with a box door, the back of the filter box 5 is installed with a drain pipe, the surface of the drain pipe is installed with a valve, the upper surface of the base 1 is fixedly connected with a support bar 14, the surface of the support bar 14 is sleeved with a circular mounting block 15, and the side of the circular mounting block 15 is fixedly connected to the side of the control box 4.

[0017] A mounting strip 16 is fixedly connected to the lower surface of the control box 4, and T-shaped grooves are provided on both sides of the mounting strip 16. A T-shaped insert strip 17 is slidably connected to the inner wall of the T-shaped groove, and a spring 18 is fixedly connected to the opposite surface of the T-shaped insert strip 17 and the T-shaped insert strip 17. An operating block 19 is fixedly connected to the lower surface of the T-shaped insert strip 17. A sliding opening connected to the inside of the T-shaped groove is provided on the lower surface of the mounting strip 16, and the surface of the operating block 19 overlaps the inner wall of the sliding opening. A plurality of positioning grooves matched with the T-shaped insert strip 17 are provided on the side of the support strip 14, and the surface of the T-shaped insert strip 17 overlaps the inner wall of the positioning groove.

[0018] Press the operating block 19, and the operating block 19 drives the T-shaped insert 17 to be pulled out from the positioning groove. At this time, the control box 4 can be moved to adjust the height. Release the operating block 19. Under the elastic force of the spring 18, the T-shaped insert 17 is inserted into the new positioning groove, and the height of the control box 4 can be fixed, so that the height of the control box 4 can be adjusted, which is convenient for operation by staff of different heights.

[0019] A water inlet pipe is installed on the side of the filter box 5, and the inner top wall of the filter box 5 is rotatably connected with a mounting ring 6, and the inner wall of the mounting ring 6 is fixedly connected with a connecting pipe 7. A rotating hole is opened on the upper surface of the filter box 5, and the surface of the connecting pipe 7 is rotatably connected to the inner wall of the rotating hole. The lower surface of the mounting ring 6 is fixedly connected with a connecting ring 8 by bolts, and the lower surface of the connecting ring 8 is fixedly connected with a filter cover 9, and a plurality of filter holes are opened on the surface of the filter cover 9. A scraper 10 is fixedly connected to the inner top wall of the filter box 5, and the surface of the scraper 10 overlaps the surface of the filter cover 9. A driving motor 11 for driving the connecting pipe 7 to rotate is installed on the upper surface of the filter box 5, and a connecting pipe is fixedly connected to the liquid inlet end of the water supply pump 3, and the liquid inlet end of the connecting pipe is rotatably connected to the liquid outlet end of the connecting pipe 7.

[0020] The output end of the driving motor 11 is fixedly connected to the first bevel gear 12, and the surface of the connecting pipe 7 is fixedly connected to the second bevel gear 13. The surface of the first bevel gear 12 is meshed with the surface of the second bevel gear 13. The water in the external water tank is transported to the filter box 5, and the water supply pump 3 draws the water out of the filter box 5 through the connecting pipe 7. Before the water enters the connecting pipe 7, it will be filtered by the filter cover 9 to filter the impurities in the water, and the driving motor 11 is started. The driving motor 11 drives the connecting pipe 7 to rotate. At this time, the mounting ring 6 drives the filter cover 9 to rotate through the connecting ring 8. The scraper 10 can scrape off the impurities attached to the filter cover 9 to ensure the filtering effect, so that the device can filter the impurities in the water and ensure the stable operation of the device.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automatic constant pressure water replenishing device for heating, ventilation and air conditioning, comprising a base (1), characterized in that: The upper surface of the base (1) is respectively mounted with a constant pressure tank (2), a water replenishment pump (3), a control box (4) and a filter box (5); a water inlet pipe is mounted on the side of the filter box (5); a mounting ring (6) is rotatably connected to the inner top wall of the filter box (5); a connecting pipe (7) is fixedly connected to the inner wall of the mounting ring (6); a rotating hole is provided on the upper surface of the filter box (5); the surface of the connecting pipe (7) is rotatably connected to the inner wall of the rotating hole; a connecting ring (8) is fixedly connected to the lower surface of the mounting ring (6) by bolts; a filter cover (9) is fixedly connected to the lower surface of the connecting ring (8); a plurality of filter holes are provided on the surface of the filter cover (9); a scraper (10) is fixedly connected to the inner top wall of the filter box (5); the surface of the scraper (10) overlaps the surface of the filter cover (9); A driving motor (11) for driving the connecting pipe (7) to rotate is installed on the upper surface of the filter box (5); the liquid inlet end of the water replenishment pump (3) is fixedly connected to a connecting pipe, and the liquid inlet end of the connecting pipe is rotatably connected to the liquid outlet end of the connecting pipe (7).

2. A fully automatic constant pressure water replenishment device for HVAC according to claim 1, characterized in that: The output end of the driving motor (11) is fixedly connected to a first bevel gear (12), the surface of the connecting pipe (7) is fixedly connected to a second bevel gear (13), and the surface of the first bevel gear (12) meshes with the surface of the second bevel gear (13).

3. The fully automatic constant pressure water replenishing device for HVAC according to claim 1, characterized in that: A support bar (14) is fixedly connected to the upper surface of the base (1), and a circular mounting block (15) is sleeved on the surface of the support bar (14).

4. A fully automatic constant pressure water replenishing device for HVAC according to claim 3, characterized in that: The side surface of the circular mounting block (15) is fixedly connected to the side surface of the control box (4), and the lower surface of the control box (4) is fixedly connected with a mounting strip (16).

5. A fully automatic constant pressure water replenishing device for HVAC according to claim 4, characterized in that: Both sides of the installation strip (16) are provided with T-shaped grooves, the inner wall of the T-shaped groove is slidably connected with a T-shaped inserting strip (17), and the T-shaped inserting strip (17) and the opposite surface of the T-shaped groove are fixedly connected with a spring (18).

6. A fully automatic constant pressure water replenishment device for HVAC according to claim 5, characterized in that: The lower surface of the T-shaped inserting strip (17) is fixedly connected with an operating block (19), the lower surface of the mounting strip (16) is provided with a sliding opening connected with the inside of the T-shaped groove, and the surface of the operating block (19) overlaps with the inner wall of the sliding opening.

7. A fully automatic constant pressure water replenishment device for HVAC according to claim 6, characterized in that: The side surface of the support bar (14) is provided with a plurality of positioning grooves matched with the T-shaped inserting bar (17), and the surface of the T-shaped inserting bar (17) overlaps with the inner wall of the positioning groove.

8. The fully automatic constant pressure water replenishing device for HVAC according to claim 1, characterized in that: The upper surface of the filter box (5) is provided with a box door, the back surface of the filter box (5) is provided with a drain pipe, and the surface of the drain pipe is provided with a valve.

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