Silencing equipment of screw-type cold air cooling heat pump

Abstract

The utility model provides silencing equipment of a screw type cold air and cold heat pump, which comprises a ventilation opening, fan blades are rotatably connected in the ventilation opening, and a frame plate is fixedly arranged on the surface of the ventilation opening; and a first sound insulation plate is fixedly arranged at the top of the frame plate. Compared with the prior art, the sound insulation device has the advantages that the electric telescopic rod is started to push the inclined annular plate, the positions of the second sound insulation plate connected with the inclined annular plate and the guide pipe are pushed by the electric telescopic rod to be changed, the distance of the bearing plate moving from the first sound insulation plate is limited under the action of the clamping block at the moment, and then the pull rod is pulled; the second sound insulation plate rotates along the connecting position of the bottom and the bearing plate, at the moment, the position of the opening of the guide pipe corresponds to the position not corresponding to the exhaust direction of other ventilation openings according to needs, the exhaust positions of all the ventilation openings are different, and therefore the exhaust directions of the ventilation openings in different positions are adjusted; and noise superposition generated during exhausting of the multiple ventilation openings is prevented.

Description

Technical Field

[0001] The utility model relates to a silencing device for a screw-type cold air cooling and heat pump, belonging to the field of screw-type cold air cooling and heat pumps. Background Art

[0002] An air-cooled heat pump unit is a circulation system consisting of a compressor, heat exchanger, throttle, heat absorber, and other components. Since air-cooled heat pump units are often installed on rooftops, they generate vibrations during operation and when their speed changes. This vibration noise can enter the building structure through the floor in the form of elastic waves, causing noise levels in rooms below the unit to exceed standards. Because air-cooled heat pump units include a compressor, the amplitude of the compressor's excitation interference frequency is much higher than that of the rooftop cooling tower's fan.

[0003] In the prior art, since the screw-type air cooling and heat pump uses a silencer when in use, and the silencer consists of a silencer cover, a frame, a one-way fan blade and a cover plate, the silencer cover of the silencer device is brought into contact with the heat pump unit before the screw-type air cooling and heat pump is used, and the frame supports the position of the silencer cover. At this time, the one-way fan blade corresponds to the position of the blades on the top of the heat pump unit, so that the use of the screw-type air cooling and heat pump silencer can be completed. Since the top of the screw-type air cooling and heat pump usually has multiple vents, and each vent will exhaust when the screw-type air cooling and heat pump is operating, and the exhaust direction of the multiple exhaust vents is upward, the multiple exhaust vents will exhaust at the same time, causing the noise to overlap and produce a larger noise. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a silencing device for a screw-type cold air heat pump to solve the problems raised in the above-mentioned background technology. The present invention can change the discharge direction of the exhaust outlets at different positions, thereby preventing the exhaust outlet sounds from overlapping and causing greater noise.

[0005] In order to achieve the above object, the utility model is implemented through the following technical solutions: a silencing device for a screw-type cold air heat pump, comprising a vent, a fan blade is rotatably connected to the interior of the vent, and a frame plate is fixedly provided on the surface of the vent;

[0006] A first sound insulation board is fixedly provided on the top of the frame plate, a slot is provided on the surface of the first sound insulation board, a receiving plate is slidably provided inside the slot, a block is fixedly connected to the surface of the receiving plate, a second sound insulation board is movably connected to the top of the receiving plate, a fixing block is fixedly provided on the surface of the second sound insulation board, a pad is fixedly connected to the surface of the fixing block, a bolt is fixedly provided on the top of the pad, a pull rod is fixedly provided on the surface of the pad, a guide tube is fixedly connected to the top of the guide tube, an inner groove is provided inside, an electric telescopic rod is fixedly provided on the top of the vent, an oblique ring plate is fixedly connected to the top of the electric telescopic rod, a card plate is fixedly provided on the inner wall of the end of the guide tube, and the end of the card plate is fixedly connected to the first connecting block.

[0007] Furthermore, six card slots are provided at equal intervals on the surface of the first sound insulation board, and the positions of the card blocks correspond to the card slots. A card block is provided inside each card slot, and the end of the card block is connected to the surface of the receiving plate. The top of the receiving plate protrudes from the top of the first sound insulation board, and the second sound insulation board is connected to the receiving plate protruding from the part of the first sound insulation board.

[0008] Furthermore, the oblique ring plate is located at the connection between the second sound insulation plate and the guide tube, and six electric telescopic rods are arranged at equal intervals on the top of the vent. The top of each electric telescopic rod is in contact with the oblique ring plate, and the bolt passes through the fixed block and is threadedly connected to the surface of the guide tube.

[0009] Furthermore, a panel is fixedly mounted on the surface of the frame plate, a side panel is fixedly provided at the center of the side of the panel, a second connecting block is connected to the top of the side panel, and a bolt is connected to the internal thread of the second connecting block.

[0010] Furthermore, one enclosure is arranged on each side surface of the frame plate, and one side plate is arranged symmetrically on the center of the enclosure surfaces on both sides of the frame plate.

[0011] Furthermore, the second connecting block is attached to the surface of the first sound insulation board, and two second connecting blocks are provided, the two second connecting blocks are symmetrical to each other, and the bolts on the surface of the second connecting block pass through the second connecting block and contact the surface of the first sound insulation board.

[0012] The beneficial effects of the present invention are as follows: first, the electric telescopic rod is activated to push the oblique ring plate, and the positions of the second sound insulation plate and the guide tube connected to the oblique ring plate are changed by the electric telescopic rod. At this time, under the action of the clamping block, the distance the receiving plate moves from the position of the first sound insulation plate is limited. Then, the position of the pull rod is pulled, and the second sound insulation plate rotates along the connection position between the bottom and the receiving plate. At this time, the position of the guide tube opening is adjusted to a position that does not correspond to the exhaust direction of other vents as needed. In this way, the exhaust position of each vent is different, thereby adjusting the exhaust direction of the vents at different positions, and preventing the noise generated by the exhaust of multiple vents from overlapping.

[0013] Secondly, it is necessary to arrange enclosures on each surface of the frame panel, and then arrange the side panels at the center of the enclosures on both sides of the frame panel. At the same time, the second connecting block is attached to the surface of the first sound insulation board, and bolts pass through the second connecting block to fix the second connecting block to the surface of the first sound insulation board, so that the connection between the silencer and the vent is more stable, thereby preventing the position of the silencer from being offset when the exhaust power of the vent is too large. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a silencing device for a screw-type cooling and heating pump according to the present invention;

[0016] Figure 2 This is a schematic diagram of a front view of a silencing device for a screw-type cooling and heating pump according to the present invention;

[0017] Figure 3 This is a schematic side view of a silencing device for a screw-type cooling and heat pump according to the present invention.

[0018] In the figure: 1. Ventilation port; 2. Fan blades; 3. Frame plate; 4. First sound insulation board; 401. Slot; 402. Socket plate; 403. Block; 404. Second sound insulation board; 5. Fixing block; 501. Pad; 502. Bolt; 503. Pull rod; 504. Guide tube; 505. Inner groove; 6. Electric telescopic rod; 601. Oblique ring plate; 602. Block; 603. First connecting block; 7. Enclosure; 701. Side panel; 702. Second connecting block; 703. Bolt. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figure 1 、 Figure 2 and Figure 3 The present invention provides a technical solution: a silencing device for a screw-type cooling and heat pump, comprising a vent 1, a fan blade 2 rotatably connected to the interior of the vent 1, and a frame plate 3 fixedly mounted on the surface of the vent 1. Six slots 401 are evenly spaced on the surface of a first sound insulation board 4, with a block 403 positioned corresponding to each slot 401. A block 403 is disposed within each slot 401, the end of each block 403 being connected to the surface of a receiving plate 402, the top of which protrudes from the top of the first sound insulation board 4. A second sound insulation board 404 is connected to the portion of the receiving plate 402 protruding from the first sound insulation board 4. An oblique ring plate 601 is located at the junction of the second sound insulation board 404 and the guide tube 504. Six electric telescopic rods 6 are evenly spaced on the top of the vent 1, each of which contacts the top of the oblique ring plate 601. A bolt 502 passes through a fixed block 5 and is threadedly connected to the surface of the guide tube 504.

[0021] A first sound insulation board 4 is fixedly provided on the top of the frame plate 3. A slot 401 is provided on the surface of the first sound insulation board 4. A receiving plate 402 is slidably provided inside the slot 401. A block 403 is fixedly connected to the surface of the receiving plate 402. A second sound insulation board 404 is movably connected to the top of the receiving plate 402. A fixing block 5 is fixedly provided on the surface of the second sound insulation board 404. A pad 501 is fixedly connected to the surface of the fixing block 5. A bolt 502 is fixedly provided on the top of the pad 501. A pull rod 503 is fixedly provided on the surface of the pad 501. A guide tube 504 is fixedly connected to the top of the second sound insulation board 404. An inner groove 505 is provided inside the guide tube 504. An electric telescopic rod 6 is fixedly provided on the top of the vent 1. An oblique ring plate 601 is fixedly connected to the top of the electric telescopic rod 6. A card plate 602 is fixedly provided on the inner wall of the end of the guide tube 504. The end of the card plate 602 is fixedly connected to the first connecting block 603.

[0022] See also Figure 1 、 Figure 2 and Figure 3 A panel 7 is fixedly installed on the surface of the frame plate 3, a side panel 701 is fixedly provided at the center of the side of the panel 7, a second connecting block 702 is connected to the top of the side panel 701, and a bolt 703 is connected to the internal thread of the second connecting block 702.

[0023] One enclosure 7 is provided on each side surface of the frame panel 3, and two side panels 701 are symmetrically arranged on the center of the enclosure 7 on both sides of the frame panel 3. Two second connecting blocks 702 are provided, affixed to the surface of the first sound insulation board 4. Bolts 703 on the surfaces of the second connecting blocks 702 pass through the second connecting blocks 702 and contact the surface of the first sound insulation board 4.

[0024] Specific implementation method: First, when it is necessary to adjust the exhaust direction of the vents 1 at different positions, it is necessary to install the silencer device on the surface of the vent 1 before the screw-type cold air heat pump is operated. Then, the electric telescopic rod 6 can be started to push the oblique ring plate 601 at the top. At the same time, the position of the second sound insulation plate 404 and the guide tube 504 connected to the oblique ring plate 601 are pushed and changed by the electric telescopic rod 6. At this time, under the action of the block 403, the distance that the receiving plate 402 moves from the position of the first sound insulation plate 4 can be limited. Then, by pulling the position of the pull rod 503, the second sound insulation plate 404 can be rotated along the position of the connection between the bottom and the receiving plate 402. At this time, the position of the opening of the guide tube 504 can be adjusted to a position that does not correspond to the exhaust direction of other vents 1 as needed. In this way, the exhaust position of each vent 1 is different, thereby adjusting the exhaust direction of the vents 1 at different positions to prevent the noise generated by the exhaust of multiple vents 1 from overlapping.

[0025] Secondly, when it is necessary to make the connection between the silencer and the vent 1 more stable, it is necessary to arrange a panel 7 on each surface of the frame plate 3, and then arrange the side panels 701 at the center of the panels 7 on both sides of the frame plate 3. At the same time, the second connecting block 702 is attached to the surface of the first sound insulation board 4, and the bolt 703 passes through the second connecting block 702 to fix the second connecting block 702 to the surface of the first sound insulation board 4. In this way, the connection between the silencer and the vent 1 can be made more stable, thereby preventing the position of the silencer from being offset when the exhaust power of the vent 1 is too large.

[0026] Although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A silencing device for a screw-type cooling and heating pump, comprising a vent (1), characterized in that: The interior of the vent (1) is rotatably connected to a fan blade (2), and a frame plate (3) is fixedly provided on the surface of the vent (1); A first sound insulation board (4) is fixedly provided on the top of the frame board (3); a card slot (401) is provided on the surface of the first sound insulation board (4); a receiving board (402) is slidably provided inside the card slot (401); a card block (403) is fixedly connected to the surface of the receiving board (402); a second sound insulation board (404) is movably connected to the top of the receiving board (402); a fixed block (5) is fixedly provided on the surface of the second sound insulation board (404); a pad (501) is fixedly connected to the surface of the fixed block (5); and a fixed plate (501) is fixedly provided on the top of the surface of the pad (501). A latch (502) is provided, a pull rod (503) is fixedly provided on the surface of the pad (501), a guide tube (504) is fixedly connected to the top of the second sound insulation board (404), an inner groove (505) is provided inside the guide tube (504), an electric telescopic rod (6) is fixedly provided on the top of the vent (1), an oblique ring plate (601) is fixedly connected to the top of the electric telescopic rod (6), a clamping plate (602) is fixedly provided on the inner wall of the end of the guide tube (504), and the end of the clamping plate (602) is fixedly connected to the first connecting block (603).

2. The silencing device of a screw-type cooling and heat pump according to claim 1, characterized in that: The surface of the first sound insulation board (4) is provided with six card slots (401) at equal intervals, the position of the card block (403) corresponds to the card slot (401), a card block (403) is provided inside each card slot (401), the end of the card block (403) is connected to the surface of the receiving plate (402), the top of the receiving plate (402) protrudes from the top of the first sound insulation board (4), and the second sound insulation board (404) is connected to the receiving plate (402) protruding from the first sound insulation board (4).

3. The silencing device of a screw-type cooling and heat pump according to claim 1, characterized in that: The oblique ring plate (601) is located at the connection between the second sound insulation plate (404) and the guide tube (504), six electric telescopic rods (6) are arranged at equal intervals on the top of the vent (1), the top of each electric telescopic rod (6) is in contact with the oblique ring plate (601), and the clamping bolt (502) passes through the fixing block (5) and is threadedly connected to the surface of the guide tube (504).

4. The silencing device of a screw-type cooling and heat pump according to claim 1, characterized in that: A panel (7) is fixedly mounted on the surface of the frame plate (3), a side panel (701) is fixedly provided at the center of the side of the panel (7), a second connecting block (702) is connected to the top of the side panel (701), and a bolt (703) is connected to the internal thread of the second connecting block (702).

5. The silencing device of a screw-type cooling and heat pump according to claim 4, characterized in that: One of the enclosure plates (7) is arranged on each side surface of the frame plate (3), and one of the side plates (701) is arranged symmetrically on the center of the enclosure plate (7) surfaces on both sides of the frame plate (3).

6. The silencing device of a screw-type cooling and heating pump according to claim 4, characterized in that: The second connecting block (702) is attached to the surface of the first sound insulation board (4), and two second connecting blocks (702) are provided, and the two second connecting blocks (702) are symmetrical to each other. The bolts (703) on the surface of the second connecting block (702) pass through the second connecting block (702) and contact the surface of the first sound insulation board (4).

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