CN217155140U - Water guide structure - Google Patents

Abstract

The utility model relates to a water guide structure, which comprises a flat diversion channel, a first heating film, a water receiving channel and a second heating film; the output end of the flat diversion trench is provided with a slot nozzle; the first heating film is covered on the bottom surface of the flat water diversion groove; the tank mouth is butted with the input end of the water receiving tank; the second heating film covers the bottom surface of the water receiving tank. The utility model discloses the realization can concentrate the drainage under the ultra-low temperature environment, and it is smooth and easy to have guaranteed that the fin heat exchanger comdenstion water discharges when heat pump set moves in the high humid adverse circumstances of low temperature.

Description

Water guide structure

Technical Field

The utility model relates to a heat pump technical field especially relates to water guide structure of heat pump.

Background

When the finned heat exchanger operates in the low-temperature high-humidity and snowy environment in northern areas of China, accumulated snow and frost are easy to appear on the finned heat exchanger, and the defrosted condensed water is easy to freeze into ice, even water drops into ice. The traditional unit usually does not consider the concentrated collection and discharge of condensed water, so that ice accumulation and ice accumulation at the inner part and the periphery of the unit are easy to accumulate, the ice accumulation near the finned heat exchanger can block air suction to influence the performance of the unit and the unit can report faults, and meanwhile, the accumulated ice can possibly push against and support the finned heat exchanger. The ice accumulated in the machine set can wrap the system components and the fluorine road components to influence the normal use of the machine set. Therefore, the design of a proper condensed water collecting and guiding structure for the unit also becomes a prominent problem to be considered and solved urgently when the air source heat pump unit is applied in the north.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses an it is not enough to overcome shortcoming among the prior art, provides water guide structure.

The water guide structure comprises a flat water guide groove, a first heating film, a water receiving groove and a second heating film;

the output end of the flat diversion trench is provided with a slot nozzle;

the first heating film is covered on the bottom surface of the flat water diversion groove;

the tank mouth is butted with the input end of the water receiving tank;

the second heating film covers the bottom surface of the water receiving tank.

Water guide structure, following beneficial effect has:

(1) the water guide structure of the utility model can be detachably arranged on the air source heat pump unit, through arranging the flat diversion channel and the water receiving channel which are mutually butted, and arranging the heating film on the bottom surface of each groove body, the centralized drainage under the ultra-low temperature environment can be realized, and the smooth drainage of the condensate water of the fin heat exchanger when the heat pump unit operates in the severe environment of low temperature and high humidity is ensured; the flat water diversion groove saves more space compared with water grooves with other shapes, so that the flat water diversion groove is arranged below the short side of the fin heat exchanger in the heat pump machine; the water receiving groove is arranged below the long edge of the fin heat exchanger inside the heat pump machine and is in butt joint with the flat plate water guide groove, condensed water is collected and discharged through the flat plate water guide groove and the water receiving groove in a centralized mode and does not directly flow to system parts such as a compressor and other components and electronic expansion valves and other components, the problem that the system parts and the components are damaged by ice due to ice accumulation is avoided, and the problem that adverse effects are caused by ice accumulation caused by machine set ice accumulation frequently complained by customers is solved; meanwhile, no ice is accumulated in the heat pump unit, and the interior of the heat pump unit is clean, neat and beautiful;

(2) the utility model discloses the accessible is wider with the width than finned heat exchanger of the width setting of dull and stereotyped diversion trench for the water that finned heat exchanger drips directly drips dull and stereotyped diversion trench, discharges along the dull and stereotyped diversion trench of slope, avoids the water to drip and forms to freeze in other planar regions.

Further, the first heating film comprises an adhesive surface, an aluminum foil surface and a first heating wire; the first heating wire is positioned between the adhesive surface and the aluminum foil surface; the first heating wire comprises an upper heating wire and a lower heating wire which are connected with each other; the upper heating wire is spirally arranged along the length direction of the first heating film, and the lower heating wire is linearly arranged.

Furthermore, the bending diameter of the upper heating wire is kept consistent along the direction from the input end to the output end of the flat water guide groove; or

The bending diameter of the upper heating wire is arranged from large to small along the direction from the input end to the output end of the flat water guide groove.

The first heating film is convenient to directly stick and arrange by arranging the viscous surface; the flat diversion groove has small water flow and small initial speed of water flow, so that the bending diameter of the upper heating wire can be arranged from large to small when the heating wire is arranged, and the water flow has enough heat at the position easy to freeze and is not frozen.

Further, the second heating film comprises an adhesive surface, an aluminum foil surface and a second heating wire; the second heating wire is positioned between the adhesive surface and the aluminum foil surface; the second heating wire is spirally arranged along the width direction of the second heating film.

The adoption of the further scheme has the beneficial effects that the adhesive surface is arranged, so that the second heating film can be conveniently and directly adhered; the heating wires in the second heating film are transversely arranged and transversely coiled more uniformly than the heating wires longitudinally coiled, so that condensed water flowing down from the fin type heat exchanger is prevented from being frozen after entering the water receiving tank.

Furthermore, the wire inlet end and the wire outlet end of the first heating wire are positioned on the same side of the flat plate water guide groove; the wire inlet end and the wire outlet end of the second heating wire are positioned at the same side of the water receiving tank; and protective sleeves are arranged at the wire inlet ends and the wire outlet ends of the first heating wire and the second heating wire.

The adoption of the further scheme has the beneficial effects that the wire inlet ends and the wire outlet ends of the first heating wire and the second heating wire are positioned at the same side of the corresponding water tank, so that the wiring is more convenient; through setting up the protective sheath, can protect first heater and second heater better, improve the life-span.

Furthermore, the power range per meter of the first heating wire and the second heating wire is 30-40w, and the coiling gap of the upper heating wire is 10-30 mm; the gap between the upper heating wire and the lower heating wire is 10-30 mm; the coiling gap of the second heating wire is 10-30 mm; the diameter of the first heating wire is 2.6-7 mm; the diameter of the second heating wire is 2.6-7 mm.

The heating wire has the beneficial effects that through the arrangement, the heating wire has moderate heating value, and the surface of the heating wire is not easy to blacken and carbonize.

Further, the heat-preservation sponge also comprises a heat-preservation sponge and a sponge fixing plate; the bottom of the flat water diversion groove is sequentially covered with a first heating film, a heat-preservation sponge and a sponge fixing plate; the bottom of the water receiving tank is sequentially covered with a second heating film, heat-insulating sponge and a sponge fixing plate.

Adopt above-mentioned further scheme's beneficial effect be, through setting up heat preservation sponge and sponge fixed plate, improve the heat preservation effect of dull and stereotyped diversion channel and water receiving tank, make dull and stereotyped diversion channel and water receiving tank form the intermediate layer detachable of "sandwich" formula simultaneously and concentrate drainage structures, be favorable to after-sale maintenance, when carrying out after-sale maintenance, if special circumstances such as heating film inefficacy appear, after-sale maintenance person can dismantle in a flexible way and carry out the change maintenance of material with corresponding water receiving tank subassembly, then install again go can, prevent the harmful effects of icing to the unit to the at utmost.

Furthermore, the device also comprises a plurality of fixing ears; fixing parts are arranged on two sides of the fixing lugs; the fixing lug is sunken between the two fixing parts to form a valley part, and a connecting hole is formed in the valley part; the fixing part is fixed with the water receiving groove and the bottom of the flat diversion groove; the connecting holes of the valley parts are connected with the corresponding sponge fixing plates.

Adopt above-mentioned further scheme's beneficial effect to be, connect water receiving tank and sponge fixed plate through fixed ear, avoid sponge fixed plate and water receiving tank or dull and stereotyped diversion channel directly to pass through bolted connection, and then avoid the screw to puncture the water receiving tank and cause leaking, perhaps the screw is punctured and is damaged the heating film.

Furthermore, the upper surfaces of the flat water diversion groove and the water receiving groove are horizontally arranged, and the lower surfaces of the flat water diversion groove and the water receiving groove are obliquely arranged; and a threaded drainage joint is arranged at the bottom of the output end of the water receiving tank.

Further, the cross-section of the water receiving tank is V-shaped.

The flat plate water diversion groove has the advantages that the space of the unit can be saved more than that of the V-shaped water collection groove, so that the cross section of the flat plate water diversion groove is arranged in a straight shape and is arranged below the fin heat exchanger in the heat pump machine; the flat diversion channel and the water receiving channel are obliquely arranged, and the cross section of the water receiving channel is V-shaped, so that water collection of a large-scale unit is facilitated.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a water guide structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the flat diversion trench of the present invention;

fig. 4 is a schematic structural view of the water receiving tank of the present invention;

fig. 5 is a schematic view of a first side structure of a first heating film according to the present invention;

fig. 6 is a schematic view of a second side structure of the first heating film of the present invention;

fig. 7 is a schematic end view of a first heating film according to the present invention;

fig. 8 is a schematic structural view of a second heating film according to the present invention;

FIG. 9 is a schematic view of the flat diversion trench, the heat preservation sponge and the sponge fixing plate of the present invention;

FIG. 10 is a schematic view showing the combination of the water receiving tank, the heat preservation sponge and the sponge fixing plate of the present invention;

fig. 11 is a schematic structural view of the water receiving tank, the heat preservation sponge and the sponge fixing plate of the present invention;

FIG. 12 is a partial enlarged view of FIG. 11 at B;

fig. 13 is a schematic structural view of the fixing lug of the present invention.

In the figure: 10. a flat plate flume; 11. a spout; 111. a fixing hole; 20. a first heating film; 21. a tacky surface; 22. aluminum foil surface; 231. an upper heating wire; 232. lower heating wire; 30. a water receiving tank; 31. a notch; 32. a threaded water drain fitting; 40. a second heating film; 41. a second heater; 50. a protective sleeve; 60. heat-insulating sponge; 70. a sponge fixing plate; 80. fixing the ear; 81. a fixed part; 82. a valley portion; 821. connecting holes; l, spiral gap.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 8, the water guiding structure of the present embodiment includes a flat water guiding channel 10, a first heating film 20, a water receiving channel 30, and a second heating film 40;

the fin heat exchanger in the heat pump machine is provided with a short side and a long side, the space below the short side is relatively small, and the flat water guide groove 10 saves more space compared with water grooves in other shapes, so that the flat water guide groove 10 is arranged below the short side of the fin heat exchanger, and the water receiving groove 30 is arranged below the long side of the fin heat exchanger; preferably, the width of the flat plate water guide groove 10 is set to be wider than that of the fin heat exchanger, so that water dripped by the fin heat exchanger is ensured to directly and completely drip on the flat plate water guide groove 10, and the water is prevented from dripping on other plane areas to form icing; the output end of the flat water diversion groove 10 is provided with a spout 11, and the spout 11 is butted with the input end of the water receiving groove 30; preferably, referring to fig. 2, the spout 11 may be disposed on one side of the output end of the flat water guide channel 10, the input end of the water receiving channel 30 is provided with a notch 31 overlapping with the spout 11, so that the spout 11 overlaps with the notch 31, the spout 11 is provided with a fixing hole 111, and the water of the flat water guide channel 10 is guided into the water receiving channel 30 by passing through the fixing hole 11, the spout 11 and the notch 31 through screws or bolts, and at this time, the flat water guide channel 10 and the water receiving channel 30 are arranged at a certain angle, for example, at an angle of 90 degrees, so as to reduce the occupied space;

the first heating film 20 is covered on the bottom surface of the flat water guide groove 10; the second heating film 40 is covered on the bottom surface of the water receiving tank 30.

In one embodiment, referring to fig. 3 and 4, the upper surfaces of the flat plate flume 10 and the water receiving tank 30 are arranged horizontally, the lower surfaces of the flat plate flume 10 and the water receiving tank 30 are arranged obliquely, and the inclination angle is 2-10 degrees, preferably 4 degrees; the bottom of the output end of the water receiving tank 30 is provided with a threaded drainage joint 32; the cross section of the water receiving tank 30 is V-shaped; the lower surfaces of the flat water diversion groove 10 and the water receiving groove 30 are obliquely arranged, and the cross section of the water receiving groove 30 is V-shaped, so that liquid can keep a flowing state when flowing to the surface of the water receiving groove, and is not easy to freeze;

the flat water guide groove 10 can save more space of the unit than the V-shaped water receiving groove 30, so that the cross section of the flat water guide groove 10 is arranged in a straight shape and is arranged below the fin heat exchanger in the heat pump machine; the cross section of the water receiving groove 30 is V-shaped, the water receiving groove 30 under the water flow is in a flowing state and in a non-static state, icing is not easy to happen, and the threaded drainage joint 32 is arranged at the bottommost position of the inclined surface of the V-shaped water receiving groove 30 and is used for intensively draining water of the plane water receiving groove and the V-shaped water receiving groove 30 through the drainage hole.

In one embodiment, referring to fig. 5 to 7, the first heating film 20 includes an adhesive surface 21, an aluminum foil surface 22, and a first heating wire; the adhesive surface 21 is connected with the bottom surface of the flat water guide groove 10; the first heating wire is positioned between the aluminum foil surface 22 and the adhesive surface 21 of the first heating film 20, and the first heating wire comprises an upper heating wire 231 and a lower heating wire 232 which are connected with each other; the upper heating wire 231 is spirally arranged along the length direction or the width direction of the first heating film 20, and preferably, the upper heating wire 231 is spirally arranged along the length direction of the first heating film 20; the lower heating wire 232 is arranged linearly; referring to fig. 5, the bending diameter of the upper heating wire is consistent along the direction from the input end to the output end of the flat plate flume; in addition, referring to fig. 6, the flat diversion trench 10 has a small water flow and a small initial speed of the water flow, so that when the heating wires are arranged, the bending diameter of the upper heating wire 231 can be arranged from large to small along the direction from the input end to the output end of the flat diversion trench 10, so that the heating wires at the output end are arranged densely, and the water flow has enough heat at the easy-to-freeze part to avoid freezing;

referring to fig. 8, the second heating film 40 includes an adhesive surface 21, an aluminum foil surface 22, and a second heating wire 41; the adhesive surface 21 is connected with the bottom surface of the water receiving tank 30; the second heating wire 41 is positioned between the aluminum foil surface 22 of the second heating film 40 and the adhesive surface 21 thereof; the second heating wire 41 is spirally arranged along the width direction of the second heating film 40, the spiral diameter of the second heating wire 41 can be kept unchanged, and the spiral diameter can also be gradually reduced along the direction from the input end to the output end of the water receiving tank 30; the heating wires in the second heating film 40 are transversely arranged and transversely coiled more uniformly than those longitudinally coiled, so that the condensed water flowing down from the fin type heat exchanger is prevented from being frozen after entering the water receiving tank 30. In addition, the second heating wire 41 may also be arranged in a spiral shape along the length direction of the second heating film 40, which is not described herein.

In the above embodiment, referring to fig. 5, 6 and 8, the inlet end and the outlet end of the first heating wire are located on the same side of the flat plate flume 10, and the inlet end and the outlet end of the second heating wire 41 are located on the same side of the water receiving tank 30, so that the connection is more convenient; the protective sleeves 50 are arranged at the wire inlet end and the wire outlet end of the first heating wire and the second heating wire 41, so that the first heating wire and the second heating wire 41 can be better protected, the service life is prolonged, and the protective sleeves 50 can be preferably PVC wire protecting sleeves.

In the above embodiment, referring to fig. 5, 6 and 8, the power per meter of the first and second heating wires 41 ranges from 30 w to 40w, and the spiral gap L of the upper heating wire 231 ranges from 10 mm to 30 mm; the gap between the upper heating wire 231 and the lower heating wire 232 is 10-30 mm; the coiling gaps L of the second heating wire 41 are all 10-30 mm; the diameter of the first heating wire is 2.6-7 mm; the diameter of the second heating wire 41 is 2.6-7 mm; through the arrangement, the heating wire has moderate heating value, and the surface of the heating wire is not easy to blacken and carbonize.

In one embodiment, referring to fig. 9 and 10, the heat preservation sponge 60 and the sponge fixing plate 70 are further included; the bottom of the flat water diversion groove 10 is sequentially covered with a first heating film 20, a heat preservation sponge 60 and a sponge fixing plate 70; the bottom of the water receiving tank 30 is sequentially covered with a second heating film 40, a heat preservation sponge 60 and a sponge fixing plate 70; by arranging the heat-insulating sponge 60, the heat-insulating effect of the flat diversion trench 10 and the water receiving trench 30 is improved, and the first heating film 20 and the second heating film 40 are prevented from being used under the low-temperature condition; the sponge fixing plate 70 is arranged, so that the problem that the heat-preservation sponge 60 is degummed and falls off when the heat-preservation sponge is used for a long time is solved; in addition, the flat plate flume 10 and the water receiving tank 30 form a sandwich-type detachable centralized drainage structure, which is beneficial to after-sales maintenance, and after-sales maintenance personnel can flexibly detach the corresponding sponge fixing plate 70 for replacing and maintaining the materials and then reinstall the sponge fixing plate 70 if special conditions such as failure of a heating film occur during after-sales maintenance, so that adverse effects of ice accretion on the unit can be prevented to the maximum extent.

In the above embodiment, in order to prevent the heat generated by the first and second heating films 20 and 40 from being rapidly dissipated in the ultra-low temperature environment, the thickness of the heat insulating sponge 60 is 8mm or more.

In one embodiment, referring to fig. 11-13, a plurality of fixing lugs 80 are further included; fixing parts 81 are arranged on two sides of the fixing lug 80; the fixing lug 80 is recessed between the two fixing parts 81 to form a valley part 82, and a connecting hole 821 is arranged on the valley part 82; the fixing part 81 is fixed with the water receiving tank 30 and the bottom of the flat water guide tank 10, for example, by welding; a plurality of through holes (not shown) are formed in the sponge fixing plate 70, and the connecting holes 821 of the valley 82 are connected with the corresponding through holes in the sponge fixing plate 70 through screws (not shown);

connect water receiving tank 30 and sponge fixed plate 70 through fixed ear 80, avoid sponge fixed plate 70 and water receiving tank 30 or dull and stereotyped diversion trench 10 directly to pass through bolted connection, and then avoid the screw to beat and wear water receiving tank 30 and cause leaking, perhaps the screw is beaten and is worn to damage the heating film.

Compared with the prior art, the water guide structure of the utility model can be detachably arranged on the air source heat pump unit, the flat diversion channel and the water receiving channel which are mutually butted are arranged, and the heating film is arranged on the bottom surface of each groove body, so that the centralized drainage can be realized in the ultra-low temperature environment, and the smooth drainage of the fin heat exchanger condensate water when the heat pump unit operates in the severe environment of low temperature and high humidity is ensured; the flat water guide groove is positioned below the fins in the heat pump machine, the water receiving groove is positioned outside the heat pump machine and is in butt joint with the flat water guide groove, condensed water is collected and discharged through the flat water guide groove and the water receiving groove and does not directly flow to system parts such as a compressor and components such as an electronic expansion valve, the problem that the system parts and the components are damaged by ice due to ice accumulation is avoided, and the problem that adverse effects are caused by ice accumulation when a machine set is subjected to frequent complaints by a customer is solved; meanwhile, no ice is accumulated in the heat pump unit, and the inside of the unit is clean, neat and beautiful.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, for example, the flat diversion trench can be replaced by a diversion trench with a V-shaped cross section, which all belong to the protection scope of the present invention.

Claims (10)

1. Water guide structure, its characterized in that includes:

the output end of the flat diversion trench is provided with a slot nozzle;

the first heating film is covered and arranged on the bottom surface of the flat water diversion groove;

the water receiving tank is connected with the input end of the water receiving tank in a butt joint mode;

and the second heating film is covered on the bottom surface of the water receiving tank.

2. The water guide structure of claim 1, wherein the first heating film comprises an adhesive face, an aluminum foil face, and a first heating wire; the first heating wire is positioned between the adhesive surface and the aluminum foil surface.

3. The water guide structure according to claim 1, wherein the first heating wire includes an upper heating wire and a lower heating wire connected to each other; the upper heating wire is spirally arranged along the length direction of the first heating film, and the lower heating wire is linearly arranged.

4. The water guide structure of claim 3, wherein the bending diameter of the upper heating wire is consistent along the direction from the input end to the output end of the flat plate flume; or

The bending diameter of the upper heating wire is arranged from large to small along the direction from the input end to the output end of the flat water guide groove.

5. The water guide structure of claim 1, wherein the second heating film comprises an adhesive surface, an aluminum foil surface, and a second heater; the second heating wire is positioned between the adhesive surface and the aluminum foil surface; the second heating wire is arranged in a spiral shape along the width direction of the second heating film.

6. The water guide structure of claim 5, wherein the inlet end and the outlet end of the first heating wire are located on the same side of the flat water guide groove; and the wire inlet end and the wire outlet end of the second heating wire are positioned at the same side of the water receiving tank.

7. The water guide structure according to any one of claims 1 to 6, further comprising a heat insulating sponge and a sponge fixing plate; the bottom of the flat water diversion groove is sequentially covered with a first heating film, a heat-preservation sponge and a sponge fixing plate; the bottom of the water receiving tank is sequentially covered with a second heating film, heat-insulating sponge and a sponge fixing plate.

8. The water guide structure of claim 7, further comprising a plurality of securing ears; fixing parts are arranged on two sides of the fixing lugs; the fixing lug is sunken between the two fixing parts to form a valley part, and a connecting hole is formed in the valley part; the fixing part is fixed with the water receiving groove and the bottom of the flat diversion groove; the connecting holes of the valley parts are connected with the corresponding sponge fixing plates.

9. The water guide structure of claim 1, wherein the upper surfaces of the flat plate water guide groove and the water receiving groove are horizontally arranged, and the lower surfaces of the flat plate water guide groove and the water receiving groove are obliquely arranged; and a threaded drainage joint is arranged at the bottom of the output end of the water receiving tank.

10. The water guide structure as claimed in claim 9, wherein the water receiving groove has a V-shaped cross section.

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