Air source heat pump smoke exhaust device and air source heat pump unit

Abstract

The utility model provides a smoke exhaust device of an air source heat pump and an air source heat pump unit. The smoke exhaust device of the air source heat pump comprises a housing, a smoke inlet connector, a plurality of groups of smoke outlet holes, a smoke exhaust hood and a plurality of groups of smoke exhaust holes. A sealed cavity is formed in the cover shell, and the smoke inlet connector and the smoke outlet hole are formed in the two sides of the cover shell and communicated with the sealed cavity. The smoke exhaust hood is provided with the smoke outlet hole in a covering mode, and a plurality of sets of smoke exhaust holes are formed in the smoke exhaust hood in the direction deviating from the fan and located in a negative pressure area of an air blowing opening of the fan. According to the smoke exhaust device of the air source heat pump, part of water vapor contained in smoke is condensed in the sealed cavity, the smoke exhaust hood and the smoke exhaust holes change the smoke outlet height, the smoke is quickly blown away by means of a negative pressure area formed by air blowing of the air blowing opening of the fan, condensation of the water vapor in the smoke on the fan mesh enclosure, the fan blades and the surface of equipment is further reduced, and the smoke exhaust efficiency is improved. The equipment operation noise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust hood design technical field, concretely relates to air source heat pump exhaust device and air source heat pump unit. BACKGROUND

[0002] The existing gas absorption type air source heat pump's boiler exhaust port and generator exhaust port can all produce a large amount of flue gas, and the main components of the flue gas are carbon dioxide and water vapor. When the existing exhaust device is running, the condensate water discharged from the flue gas can frost or even freeze on the surface of the fan net cover, the surface of the fan blade and the inside of the air guide ring, so that the fan blade produces noise when rotating and affects the dynamic balance of the fan operation. It can also cause a large amount of condensate water to appear on the surface of the fan buckling plate near the exhaust device. When the ambient temperature is lower than 0 DEG C during the heating period, it may cause the surface of the equipment to freeze, affecting the customer's satisfaction with the equipment, and thus affecting the promotion of the gas air source heat pump. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides an air source heat pump exhaust device and an air source heat pump unit to improve the technical problem that a large amount of condensate water is condensed on the fan and the periphery of the unit equipment in the existing air source heat pump unit, affecting the normal operation of the fan.

[0004] To achieve the above object and other related objects, the utility model provides an air source heat pump exhaust device, which comprises a cover shell, a smoke inlet interface, a plurality of smoke outlet holes, an exhaust hood and a plurality of exhaust holes. The cover shell is provided with a sealed cavity, the smoke inlet interface is arranged on one side of the cover shell and is communicated with the sealed cavity. A plurality of smoke outlet holes are arranged on the other side of the cover shell and are communicated with the sealed cavity. The exhaust hood covers a plurality of smoke outlet holes and is sealingly connected with the cover shell. A plurality of exhaust holes are arranged on the upper part of one side of the exhaust hood away from the fan and are located in the negative pressure area of the air outlet of the fan.

[0005] In an embodiment of the air source heat pump exhaust device, the exhaust holes are arranged obliquely upward away from the fan.

[0006] In an embodiment of the air source heat pump exhaust device, a plurality of reinforcing plates are arranged in the exhaust hood at intervals, and each reinforcing plate is arranged along a first direction.

[0007] In an embodiment of the air source heat pump exhaust device, the contour of the cover shell on the side close to the air outlet is matched with the contour of the air outlet, and a plurality of smoke outlet holes are arranged at intervals along the contour of the cover shell.

[0008] In the air source heat pump smoke exhaust device one embodiment of the utility model, the smoke inlet interface includes first interface and second interface, the first interface's connection boiler smoke outlet, the second interface connects generator smoke outlet.

[0009] In the air source heat pump smoke exhaust device one embodiment of the utility model, the sealed cavity includes first cavity and second cavity, the first cavity with the second cavity does not communicate, the first cavity communicates the first interface, the second cavity communicates the second interface.

[0010] In the air source heat pump smoke exhaust device one embodiment of the utility model, the cover includes bottom cover and top cover, the bottom cover with the top cover detachable connection, and form the sealed cavity, the bottom cover connects the smoke inlet interface, the top cover connects the smoke exhaust cover.

[0011] In the air source heat pump smoke exhaust device one embodiment of the utility model, the bottom cover's board face in the sealed cavity is inclined plane, the inclined plane by the smoke outlet hole to the smoke inlet interface direction reduces.

[0012] In the air source heat pump smoke exhaust device one embodiment of the utility model, first reinforcing rib is set up on the bottom cover, and the first reinforcing rib is located in the sealed cavity outside, second reinforcing rib is set up on the top cover, and the second reinforcing rib is located in the sealed cavity.

[0013] The utility model second aspect still provides a kind of air source heat pump unit, and the air source heat pump unit includes the air source heat pump smoke exhaust device of any one described above.

[0014] In the air source heat pump smoke exhaust device and air source heat pump unit of the utility model, the cover of smoke exhaust device is connected by smoke inlet interface Exhausting equipment, flue gas exchanges heat with the environment outside the cover in the sealed cavity of the cover during flow, and part of water vapor contained in flue gas condenses in the sealed cavity. Exhaust cover is arranged at the smoke outlet hole of the cover, and the exhaust cover and the smoke outlet hole change the height of smoke outlet, form the negative pressure zone by the air-blowing opening of fan, quickly blow away flue gas, further reduce the condensation of water vapor in flue gas on fan screen cover, fan blade and or equipment surface, reduce equipment operation noise.Further, the smoke outlet hole of exhaust cover is away from fan, reduce the drainage of flue gas by the negative pressure zone of air-blowing opening of fan, avoid the condensate water in the cover or exhaust cover with flue gas suction and splash to equipment or fan area, while exhaust cover as protective cover, prevent sundries from blocking smoke outlet or entering the sealed cavity. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Figure 1 Structure diagram of an embodiment of the smoke exhaust device of the present application;

[0017] Figure 2 Structure diagram of another angle of an embodiment of the smoke exhaust device of the present application;

[0018] Figure 3 Structure diagram of a bottom cover of an embodiment of the smoke exhaust device of the present application;

[0019] Figure 4 Structure diagram of a top cover of an embodiment of the smoke exhaust device of the present application;

[0020] Figure 5 Structure diagram of another angle of a top cover of an embodiment of the smoke exhaust device of the present application;

[0021] Figure 6 Structure diagram of a smoke exhaust cover of an embodiment of the smoke exhaust device of the present application;

[0022] Figure 7 Structure diagram of an installation position of the smoke exhaust device of an embodiment of the smoke exhaust device of the present application in an air source heat pump unit.

[0023] Element number explanation:

[0024] 100, cover; 110, bottom cover; 111, first reinforcing rib; 120, top cover; 121, second reinforcing rib; 130, sealed cavity; 131, first cavity; 132, second cavity; 133, cavity partition plate; 200, smoke inlet interface; 210, first interface; 220, second interface; 300, smoke outlet hole; 400, smoke exhaust cover; 410, smoke exhaust hole; 420, reinforcing plate. DETAILED DESCRIPTION

[0025] The following embodiments and features together with advantages thereof will be best understood from the following detailed description taken in conjunction with the accompanying drawings, wherein:

[0026] When the embodiments give numerical ranges, it should be understood that, unless the present application indicates otherwise, both endpoints of each numerical range and any number between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present application are used in the same sense as those of the skilled in the art and the present application, and any method, equipment and material similar or equivalent to the method, equipment and material used in the embodiments of the present application can be used to realize the present application.

[0027] It should be understood that the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship without substantial change of the technical content is also regarded as the scope of the present application.

[0028] In the gas-fired air source heat pump unit, the boiler and the generator can produce a large amount of flue gas containing water vapor. A smoke exhaust device is usually connected to the flue gas outlet of the equipment for exhaust. In order to reduce the sense of prominence of the smoke exhaust device after installation on the surface of the unit and the installation space of the unit, the traditional external chimney exhaust mode is gradually replaced by a small and neat integrated cover shell smoke exhaust structure to meet the aesthetic requirement of the unit design.

[0029] In order to improve the technical problem that the existing air source heat pump unit and the fan around the unit equipment condense a large amount of condensate water to affect the normal operation of the fan, the present application provides an air source heat pump smoke exhaust device and an air source heat pump unit. The air source heat pump smoke exhaust device can meet the rapid smoke exhaust function of the unit, reduce the condensate water content in the flue gas, reduce the condensation of flue gas condensate water on the surface of the unit, and ensure the aesthetic appearance of the equipment.

[0030] Please refer to Figures 1 to 7The utility model provides a kind of air source heat pump smoke exhaust device, the air source heat pump smoke exhaust device includes cover shell 100, smoke inlet interface 200, multiple groups of smoke outlet hole 300, smoke exhaust cover 400 and multiple groups of smoke outlet hole 410.Surrogate structure of cover shell 100 as smoke stack, it adopts flattened structure design, is fixed in the upper of air source heat pump unit.Cover shell 100 shape is not limited, can be cylindrical, sector, square and other conventional geometric structure, can also be irregular flattened geometric structure.In the embodiment, cover shell 100 adopts irregular sector structure.Sealed cavity 130 is equipped in cover shell 100, sealed cavity 130 as the flow channel of flue gas, is used for water vapor in flue gas condensation in cover shell 100 simultaneously.Cover shell 100 material is not limited, can be stainless steel or aluminum alloy and other metal materials, can also be polycarbonate (PC) plastic, polyaryletherketone (PPS) plastic and other engineering plastic material.

[0031] Smoke inlet interface 200 is arranged at one side of cover shell 100, and is communicated with sealed cavity 130.SMOKE INLET INTERFACE 200 is used to connect the smoke exhaust equipment of air source heat pump unit, the smoke outlet of boiler or generator.SMOKE EXHAUST EQUIPMENT passes the flue gas generated by smoke inlet interface 200 into sealed cavity 130.In the embodiment, smoke inlet interface 200 is located at the lower part of the shell of cover shell 100 one side, and extends out of cover shell 100.Out of smoke hole 300 is arranged on the other side of cover shell 100 relative to smoke inlet interface 200, and out of smoke hole 300 is communicated with sealed cavity 130, for flue gas is discharged from sealed cavity 130.Out of smoke hole 300 is located close to the blowing port side of fan in air source heat pump unit, and is located in the negative pressure area of blowing port of fan.The number of out of smoke hole 300 is not limited, can be set according to the area of cover shell 100 in the negative pressure area of blowing port of fan.In the embodiment, out of smoke hole 300 is located in the upper part of cover shell 100, so that the air outlet direction of flue gas is upwards, facilitate flue gas to be discharged.

[0032] A smoke exhaust hood 400 is arranged on the upper portion of the cover 100, and the smoke exhaust hood 400 is sealingly connected to the cover 100, and the smoke exhaust hood 400 covers a plurality of smoke outlet holes 300, so that the smoke exhausted from the sealed cavity 130 enters the smoke exhaust hood 400. The structure of the smoke exhaust hood 400 is not limited, and the smoke exhaust hood 400 can be arranged according to the structure of the plurality of smoke outlet holes 300. The smoke exhaust hood 400 increases the height of the smoke outlet holes 300 and the smoke exhaust outlet of the device, prevents the condensed water in the sealed cavity 130 from flowing out of the cover 100 along with the smoke, and avoids polluting the equipment around the cover 100. Meanwhile, a plurality of smoke outlet holes 410 are arranged on the smoke exhaust hood 400, and the plurality of smoke outlet holes 410 serve as the final smoke exhaust outlet of the smoke exhaust device, and the smoke is exhausted out of the smoke exhaust device through the smoke outlet holes 410. Meanwhile, the smoke outlet holes 410 and the smoke exhaust hood 400 are located in the negative pressure area of the fan air outlet of the air source heat pump unit, so that the smoke exhausted by the smoke exhaust device is quickly blown away, and the condensation of the condensed water in the smoke is reduced. Meanwhile, in order to further reduce the flow rate of the wind at the fan blowing port and drive the smoke at the smoke outlet holes 410 to be accelerated and exhausted, the condensed water in the smoke exhaust device is also carried out, and the plurality of smoke outlet holes 410 are arranged on the upper portion of the side of the smoke exhaust hood 400 away from the fan.

[0033] Please refer to Figure 1 and Figure 7 In an embodiment of the air source heat pump smoke exhaust device, the smoke exhaust direction of the smoke outlet holes 410 is away from the blowing port of the fan, and is located at the intersection of the upper cover surface and the side cover surface of the smoke exhaust hood 400, so that the smoke exhaust direction of the smoke outlet holes 410 is arranged obliquely upward relative to the upper surface of the air source heat pump unit or the shell of the smoke exhaust hood 400, and then the air flow in the negative pressure area of the blowing port of the fan can be conveniently used for flow guiding, so that the smoke can be effectively guided away from the air source heat pump unit and the fan, and the smoke exhaust efficiency is improved. Meanwhile, the condensed water in the cover 100 or the smoke exhaust hood 400 is prevented from being carried out.

[0034] Please refer to Figure 6 In an embodiment of the air source heat pump smoke exhaust device, a plurality of reinforcing plates 420 are arranged in the smoke exhaust hood 400, and each of the reinforcing plates 420 is arranged along a first direction, wherein the first direction is the Y-axis direction, that is, the reinforcing plates 420 are arranged in the cavity of the smoke exhaust hood 400 in the vertical direction, so as to strengthen the strength of the cover of the smoke exhaust hood 400. Meanwhile, the plurality of reinforcing plates 420 form a plurality of interval cavities, so as to optimize the distribution of the smoke in the smoke exhaust hood 400, guide the uniform flow of the smoke, and improve the smoke exhaust efficiency.

[0035] Please refer to Figure 1 and Figure 4In the air source heat pump smoke exhaust device embodiment, the profile of the cover shell 100 near the air outlet side is matched with the profile of the air outlet, and a plurality of smoke outlet holes 300 are arranged along the profile of the cover shell 100. Specifically, in the embodiment, the air outlet of the fan is a circular structure, the profile of the cover shell 100 near the air outlet side of the fan is an arc profile structure matched with the circular structure of the air outlet, a plurality of smoke outlet holes 300 are arranged along the arc profile structure of the cover shell 100, the negative pressure area of the air outlet is effectively utilized, and the smoke exhaust efficiency is improved. Similarly, the structure of the smoke exhaust cover 400 is an arc cover shell structure matched with the arc profile structure of the cover shell 100, and the smoke outlet holes 410 are arranged along the arc cover shell structure.

[0036] Please refer to Figure 3 In the air source heat pump smoke exhaust device embodiment, the smoke inlet interface 200 includes a first interface 210 and a second interface 220, the first interface 210 is connected with the boiler smoke outlet of the air source heat pump unit, and the second interface 220 is connected with the generator smoke outlet of the air source heat pump unit. Further, the cavity partition plate 133 is arranged in the sealed cavity 130, the cavity partition plate 133 divides the sealed cavity 130 into the first cavity 131 and the second cavity 132, the first cavity 131 is not communicated with the second cavity 132, the first cavity 131 is communicated with the first interface 210, the flue gas of the boiler smoke outlet enters the first cavity 131 through the first interface 210, enters the smoke exhaust cover 400 through a plurality of smoke outlet holes 300 on one side of the first cavity 131, and is then discharged. The second cavity 132 is communicated with the second interface 220, the flue gas of the generator smoke outlet enters the second cavity 132 through the second interface 220, enters the smoke exhaust cover 400 through a plurality of smoke outlet holes 300 on one side of the second cavity 132, and is then discharged, so that the effect of avoiding smoke mixing is achieved.

[0037] Please refer to 1, in the air source heat pump smoke exhaust device embodiment, the cover shell 100 includes a bottom cover 110 and a top cover 120, the bottom cover 110 and the top cover 120 are detachably connected and form the sealed cavity 130. In the embodiment, the bottom cover 110 is connected with the top cover 120 by buckling, and is fixed by a plurality of groups of screws, wherein the plurality of groups of locking screws are arranged along the profile of the cover shell 100 to ensure the sealing effect. One side of the bottom cover 110 is connected with the smoke inlet interface 200, and one side of the top cover 120 is connected with the smoke exhaust cover 400.

[0038] In the air source heat pump smoke exhaust device embodiment, the plate surface of the bottom cover 110 located in the sealed cavity 130 is a slope surface, and the slope surface is lowered from the smoke outlet hole 300 to the smoke inlet interface 200. Even if the condensed water in the sealed cavity 130 can flow into the smoke inlet interface 200, the condensed water can enter the drain port of the air source heat pump unit through the smoke inlet interface 200, so that the pollution of the unit is avoided.

[0039] Please refer to Figure 2 and Figure 5 In the embodiment of the air source heat pump smoke exhaust device, the first reinforcing rib 111 is arranged on the bottom cover 110 and located outside the sealed cavity 130, that is, the first reinforcing rib 111 is located at the lower part of the bottom cover 110, and when the smoke exhaust device is installed on the air source heat pump unit, the first reinforcing rib 111 is hidden between the upper surface of the unit and the bottom cover 110 of the cover shell 100, thereby improving the appearance of the device. The second reinforcing rib 121 is arranged on the top cover 120 and located inside the sealed cavity 130, thereby also improving the appearance of the device.

[0040] The second aspect of the utility model also provides an air source heat pump unit, the air source heat pump unit includes the air source heat pump smoke exhaust device of any one of the above, please refer to Figure 7 The air source heat pump smoke exhaust device is fixedly installed on the upper part of the air source heat pump unit. Meanwhile, the smoke inlet interface of the air source heat pump smoke exhaust device is connected with the boiler and the generator of the air source heat pump unit, and the smoke exhaust port is located in the negative pressure area of the blowing port of the fan of the air source heat pump unit. The air source heat pump smoke exhaust device can not only reduce the conspicuousness of the installation of the smoke exhaust device on the unit, but also quickly realize the dispersion of flue gas by using the fan, improve the smoke exhaust efficiency, and reduce the pollution of condensed water in flue gas to the surface of the unit or the fan. It should be noted that the air source heat pump unit of the utility model also includes the conventional components of the existing air source heat pump unit, such as the evaporator, the condenser, the heat preservation water tank and the water pump, which will not be described one by one here.

[0041] In the air source heat pump smoke exhaust device and the air source heat pump unit, the air source heat pump smoke exhaust device condenses part of water vapor contained in flue gas in the sealed cavity, changes the height of smoke outlet by the smoke exhaust cover and the smoke exhaust hole, quickly disperses flue gas by the negative pressure area formed by the blowing of the blowing port of the fan, further reduces the condensation of water vapor in flue gas on the fan mesh cover, the fan blade and the surface of the equipment, and reduces the operating noise of the equipment. Meanwhile, the smoke exhaust hole of the smoke exhaust cover is away from the fan, reduces the drainage of flue gas by the negative pressure area of the blowing port of the fan, avoids the splashing of condensed water in the cover shell or the smoke exhaust cover to the equipment or the fan area along with the suction of flue gas, and uses the smoke exhaust cover as a protective cover shell to prevent sundries from blocking the smoke exhaust hole or entering the sealed cavity. The utility model improves the technical problem that a large amount of condensed water is condensed around the fan and the unit equipment in the existing air source heat pump unit, thereby affecting the normal operation of the fan. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

[0042] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. An air source heat pump exhaust apparatus, characterized by, The utility model relates to a kind of air source heat pump smoke exhaust devices, including: Cover, with sealed cavity inside; Smoke inlet, set to one side of the cover, and communicate the sealed cavity; Multiple groups of smoke outlet, set up in the other side of the cover, and communicate the sealed cavity; Smoke exhaust cover, cover multiple groups of the smoke outlet, and sealingly connect the cover; Multiple groups of smoke outlet, set up on the upper portion of the side of the smoke exhaust cover away from fan, and located in the negative pressure zone of the air outlet of the fan.

2. The air source heat pump exhaust apparatus of claim 1, wherein, The smoke exhaust direction of the smoke outlet is set up obliquely upwards away from the fan.

3. The air source heat pump exhaust apparatus of claim 1, wherein, Multiple groups of reinforcing plates are arranged in the smoke exhaust cover, and a group of the reinforcing plates is arranged along the first direction.

4. The air source heat pump exhaust apparatus of claim 1, wherein, The profile of the cover close to the air outlet side is adapted to the profile of the air outlet, and multiple groups of the smoke outlet are arranged along the profile of the cover.

5. The air source heat pump exhaust apparatus of claim 1, wherein, The smoke inlet includes first interface and second interface, and the first interface is connected with boiler smoke outlet;The second interface is connected with generator smoke outlet.

6. The air source heat pump exhaust apparatus of claim 5, wherein, The sealed cavity includes first cavity and second cavity, and the first cavity is not communicated with the second cavity, the first cavity is communicated with the first interface, and the second cavity is communicated with the second interface.

7. The air source heat pump exhaust apparatus of claim 1, wherein, The cover includes bottom cover and top cover, and the bottom cover and the top cover are detachably connected and form the sealed cavity;The bottom cover is connected with the smoke inlet, and the top cover is connected with the smoke exhaust cover.

8. The air source heat pump exhaust apparatus of claim 7, wherein, The plate surface of the bottom cover in the sealed cavity is inclined surface, and the inclined surface is lowered from the smoke outlet to the smoke inlet direction.

9. The air source heat pump exhaust apparatus of claim 7, wherein, First reinforcing rib is arranged on the bottom cover, and the first reinforcing rib is located outside the sealed cavity;Second reinforcing rib is arranged on the top cover, and the second reinforcing rib is located in the sealed cavity.

10. An air source heat pump unit, characterised in that, The utility model relates to a kind of air source heat pump smoke exhaust devices, including any one of claims 1 to 9.

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