CN218065309U - Heat exchange device and air-conditioning type range hood provided with same - Google Patents

Abstract

A heat exchanger and air-conditioning type fume exhaust fan with the heat exchanger, wherein a flow passage is formed in the shell of the heat exchanger, a transverse flow partition plate is arranged in the shell and divides the flow passage into an upper flow passage and a lower flow passage, an overflow hole for communicating the upper flow passage with the lower flow passage is formed in the transverse flow partition plate, a water inlet is communicated with the upper flow passage, a water outlet is communicated with the lower flow passage, heat exchange plates are arranged at the bottom of the shell, the inner ends of the heat exchange plates extend into the lower flow passage, and the outer ends of the heat exchange plates are exposed at the bottom of the shell. When the heat exchange device works, water flows into the upper overflowing channel from the water inlet, then flows into the lower overflowing channel through the overflowing holes in the transverse flow partition plate, exchanges heat with the heat exchange fins in the lower overflowing channel and then flows out of the water outlet.

Description

Heat exchange device and air-conditioning type range hood provided with same

Technical Field

The utility model relates to a range hood especially relates to a heat transfer device and install this heat transfer device's air conditioner formula range hood.

Background

Heat exchange devices are widely used in various heat exchange occasions, and various types of heat exchange devices are disclosed in the prior art, such as traditional finned tube heat exchangers and microchannel heat exchangers with higher heat exchange efficiency. As disclosed in the Chinese invention patent with the patent number 201910828933.2 (the publication number is CN 110579014B), "a heat exchange device, a control method and a control device thereof", the heat exchange device comprises a microchannel heat exchanger; the micro-channel heat exchanger comprises a liquid collecting pipe and a gas collecting pipe; the micro-channel heat exchanger also comprises a plurality of flat tubes communicated with the liquid collecting tube and the gas collecting tube; the liquid collecting pipe comprises a clapboard; the cavity in the liquid collecting pipe is divided into at least two sub-cavities by the partition board; the heat exchange device also comprises a flow dividing head; one end of the flow dividing head is communicated with a throttling device of the air conditioner, and the other end of the flow dividing head is respectively connected to the at least two sub-cavities through at least two capillary tubes; a first target sub-cavity of the at least two sub-cavities is communicated with an air outlet of a compressor in the air conditioner through a preset valve; the first target sub-cavity comprises a sub-cavity located at the bottom of the liquid collection tube.

In order to improve cooking comfort, the air-conditioning range hood is invented, an air-conditioning assembly is arranged in a casing of the air-conditioning range hood, a condenser of the air-conditioning assembly can generate heat in an air-conditioning mode, at present, waste heat utilization of the heat generated by the condenser is not realized, and if the condenser is not effectively radiated, the heat exchange effect of the condenser can be influenced, so that the air-conditioning energy efficiency is reduced. In addition, in the air conditioner working process, the surface of evaporimeter can condense the comdenstion water, if arrange the air conditioner comdenstion water outward, need external water pipe, not only increase installation cost, but also can cause the long-term problem that corrodes and external environment drippage of wall body, if the air conditioner comdenstion water is gathered in range hood's organism, easily causes local leaking, influences range hood's normal work even.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve provides a simple structure, the effectual heat transfer device of heat transfer to above-mentioned prior art current situation.

The utility model aims to solve the second technical problem to provide an air conditioner formula range hood that can make full use of condenser heat carry out the heat transfer to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: this heat transfer device, including the casing, the inside passageway that overflows that is formed with of casing is equipped with on the casing and overflows water inlet and the delivery port that the passageway is linked together, its characterized in that: the inside horizontal flow spacer that is equipped with of casing, horizontal flow spacer will overflow the passageway and separate for last overflow channel and overflow the passageway down horizontal flow spacer is last to open and to have to flow over the discharge orifice that overflows the passageway and overflow the passageway down in the intercommunication, the water inlet overflows the passageway with last, the delivery port overflows the passageway with down and is linked together the fin has been arranged to the casing bottom, the inner end of fin stretches into in overflowing the passageway down, the outer end of fin exposes in the casing bottom.

In order to obtain a better heat exchange effect, a vertical flow partition plate is arranged in the lower overflowing channel, the lower overflowing channel is divided into at least two overflowing areas by the vertical flow partition plate, and the overflowing holes and the water outlets are correspondingly arranged on different overflowing areas.

Preferably, at least two vertical flow baffles are distributed at intervals, an overflowing gap is reserved between one side of each vertical flow baffle and the inner side wall of the shell, and the corresponding overflowing gaps of the adjacent vertical flow baffles are positioned on different sides of the shell, so that the lower overflowing channel has a rotary overflowing area. Therefore, water flowing in from the overflowing hole flows out from the water outlet after passing through the revolving overflowing area for heat exchange, and the heat exchange effect is better.

In order to ensure that the heat exchange is more sufficient, the overflowing hole and the water outlet are respectively arranged on the overflowing area at the outermost side of the shell.

Preferably, the top of the vertical flow partition plate abuts against the transverse flow partition plate, and the bottom of the vertical flow partition plate abuts against the inner bottom wall of the shell.

In order to ensure that the heat exchange device has a larger heat exchange area, the heat exchange sheets are in an insertion sheet shape and are uniformly distributed in each over-flow area at intervals, and the outer ends of the heat exchange sheets form insertion parts.

Preferably, the shell is in a square box shape, and the transverse flow partition plate and the vertical flow partition plate are flat plates.

Further preferably, the heat exchange device is an integrated piece or a separated piece.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does, an air conditioner formula range hood, include the casing and install the air conditioning component in the casing inside, inside smoke exhaust passage and the air-out passageway that is equipped with mutual isolation of casing, the air conditioning component includes compressor, condenser and evaporimeter, be linked together its characterized in that through the refrigerant pipeline between compressor, condenser and the evaporimeter: the condenser is arranged in the smoke exhaust channel, and the heat exchange device is arranged on the condenser.

In order to make heat transfer device can fully exchange heat with the condenser, the condenser includes horizontal last liquid collecting pipe, lower liquid collecting pipe and locates between last liquid collecting pipe and the lower liquid collecting pipe and interval arrangement's flat pipe, installs radiating fin between the adjacent flat pipe, go up the liquid collecting pipe and communicate each other through flat pipe and lower liquid collecting pipe, heat transfer device's heat exchanger fin inserts in radiating fin's the clearance.

In order to enable air conditioner condensed water to fully exchange heat with a condenser through a heat exchange device and collect the condensed water after heat exchange and temperature rise, a water receiving tray is installed below an evaporator, the water receiving tray further comprises a water tank, a water outlet of the water receiving tray is communicated with a water inlet of the water tank, a water outlet of the water tank is communicated with a water pump installed on a water path between the water inlet of the heat exchange device, a water storage box is installed outside the range hood, and a water outlet of the heat exchange device is communicated with the water storage box through a water outlet pipe.

Further preferably, the casing internally mounted has the range hood fan, along the oil smoke direction of flow, smoke exhaust passage locates the low reaches of range hood fan, and smoke exhaust passage includes first exhaust passage and second exhaust passage, installs the blast gate that is used for switching one of them passageway in first exhaust passage and the second exhaust passage and range hood fan export and is linked together in the export of range hood fan, condenser and heat transfer device locate in the first exhaust passage. Like this, range hood has the binary channels structure, and first exhaust gas passageway constitutes heat dissipation channel, and the second exhaust gas passageway constitutes the direct discharge passageway, under the operating mode of difference, through switching the blast gate, can open corresponding exhaust gas passageway.

In order to make the system more compact, the compressor is installed inside the casing.

Compared with the prior art, the utility model has the advantages of: when the heat exchange device works, water flows into an upper overflowing channel from a water inlet, then flows into a lower overflowing channel through the overflowing holes in the transverse flow partition plate, and flows out of a water outlet after exchanging heat with heat exchange fins in the lower overflowing channel.

Drawings

Fig. 1 is a schematic structural diagram of a heat exchange device according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along A-A of the heat exchange device shown in FIG. 4;

FIG. 3 is a cross-sectional view taken along line C-C of the heat exchange device of FIG. 6;

FIG. 4 is a cross-sectional view taken along line D-D of the heat exchange device of FIG. 3;

FIG. 5 is a bottom view of the heat exchange unit of FIG. 1;

FIG. 6 is a sectional view taken along line B-B of the heat exchange device shown in FIG. 4;

fig. 7 is a schematic structural view of an air-conditioning range hood according to an embodiment of the present invention;

FIG. 8 is a schematic view of a waterway system of the range hood shown in FIG. 7;

fig. 9 is a schematic structural diagram of a condenser according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the heat exchanger of the present embodiment includes a square box-shaped housing 1, an overflow channel is formed inside the housing 1, and a water inlet 11 and a water outlet 12 communicated with the overflow channel are provided on the housing 1. The shell 1 is internally provided with a transverse flow partition plate 15, the transverse flow partition plate 15 is a flat plate and divides the overflowing channel into an upper overflowing channel 13 and a lower overflowing channel 14, the transverse flow partition plate 15 is provided with an overflowing hole 16 for communicating the upper overflowing channel 13 with the lower overflowing channel 14, the water inlet 11 is communicated with the upper overflowing channel 13, and the water outlet 12 is communicated with the lower overflowing channel 14. The heat exchange fins 17 are distributed at the bottom of the shell 1, the heat exchange fins 17 are in an inserting sheet shape, the inner ends of the heat exchange fins 17 extend into the lower overflowing channel 14, and the outer ends of the heat exchange fins 17 are exposed at the bottom of the shell 1 to form inserting parts.

As shown in fig. 3 and 6, 3 vertical flow baffles 18 are arranged in the lower flow channel 14 at intervals, each vertical flow baffle 18 is a flat plate, the top of each vertical flow baffle 18 abuts against the corresponding horizontal flow baffle 15, the bottom of each vertical flow baffle 18 abuts against the inner bottom wall of the housing 1, a flow gap 19 is left between one side of each vertical flow baffle 18 and the inner side wall of the housing 1, the flow gaps 19 corresponding to the adjacent vertical flow baffles 18 are located on different sides of the housing 1, so that the lower flow channel 14 is sequentially divided into a first flow area 141, a second flow area 142, a third flow area 143 and a fourth flow area 144, the first flow area 141, the second flow area 142, the third flow area 143 and the fourth flow area 144 form a rotating flow area, and the first flow area 141 and the fourth flow area 144 are located on the outer side of the housing 1. The heat exchange fins 17 are uniformly distributed in each over-flow area 141 at intervals. In this embodiment, the overflowing hole 16 is communicated with the first overflowing region 141, and the water outlet 12 is communicated with the fourth overflowing region 144.

When the heat exchange device works, firstly, water flows into the upper overflowing channel 13 from the water inlet 11; then flows into the first overcurrent area 141 of the lower overcurrent channel 14 through the overcurrent hole 16 and flows along the revolving second overcurrent area 142, third overcurrent area 143 and fourth overcurrent area 144 in sequence; and finally, out of the water outlet 12. In the process that water flows through the lower overflowing channel 14, the water exchanges heat with the heat exchange fins 17 in the lower overflowing channel 14 fully, and the water temperature rises after heat is absorbed.

In addition, the heat exchange device of the embodiment can be a single piece or a split piece.

As shown in fig. 7 and 8, the air-conditioning range hood of the present embodiment includes a casing 20 and an air-conditioning assembly installed inside the casing 20, the air-conditioning assembly includes a compressor 31, a condenser 32 and an evaporator 33, the compressor 31, the condenser 32 and the evaporator 33 are communicated with each other through a refrigerant pipeline 34, and a throttling device 35 is installed on the refrigerant pipeline 34 between the condenser 32 and the evaporator 33. The specific operation principle of the air conditioning assembly is the same as that of the existing air conditioner, and will not be described herein.

The lower part of the casing 20 is provided with a fume exhaust fan 23, and the casing 20 is provided with a fume exhaust channel 21 and an air outlet channel 22 which are isolated from each other. The smoke exhaust channel 21 and the air outlet channel 22 are located at the upper part of the casing 20, and the direction indicated by the arrow E in fig. 6 is the right, and the air outlet channel 22 is located at the right side of the smoke exhaust channel 21. The smoke exhaust channel 21 of the present embodiment includes a first smoke exhaust channel 211 and a second smoke exhaust channel 212, an air valve 24 for switching one of the first smoke exhaust channel 211 and the second smoke exhaust channel 212 to communicate with the outlet of the smoke exhaust fan 23 is installed at the outlet of the smoke exhaust fan 23, and the condenser 32 and the heat exchange device are installed in the first smoke exhaust channel 211. The first smoke exhaust channel 211 forms a heat dissipation channel, the second smoke exhaust channel 212 forms a straight exhaust channel, and different smoke exhaust channels are opened under different working modes. In order to prevent the condenser 32 from being contaminated by the soot, the electrostatic cleaning device 25 is installed in the first soot exhaust passage 221, and the electrostatic cleaning device 25 is provided upstream of the condenser 32 in the soot flow direction.

In this embodiment, the compressor 31 is installed inside the casing 20, and the evaporator 33 is installed inside the air outlet channel 22. A water receiving tray 41 is arranged below the evaporator 33, a water outlet of the water receiving tray 41 is communicated with a water inlet of the water tank 42, and a water pump 43 is arranged on a water path between the water outlet of the water tank 42 and the water inlet 11 of the heat exchange device. The water outlet 12 of the heat exchanger may be communicated with a water storage box (not shown) through a water outlet pipe (not shown).

As shown in fig. 9, the condenser 32 includes an upper liquid collecting pipe 321, a lower liquid collecting pipe 322, and flat pipes 323 arranged between the upper liquid collecting pipe and the lower liquid collecting pipe at intervals, heat dissipation fins 324 are installed between adjacent flat pipes 323, the upper liquid collecting pipe 321 is communicated with the lower liquid collecting pipe 322 through the flat pipes 323, heat exchange fins 17 of the heat exchange device are inserted into gaps of the heat dissipation fins 324, heat is transferred rapidly through direct contact heat conduction, and the heat exchange efficiency is higher. In this embodiment, the condenser 32 is disposed obliquely to the vertical plane, and accordingly, the heat exchanging device is also disposed obliquely to the vertical plane.

When the air conditioner works in an air conditioning mode, condensed water condensed on the surface of the evaporator 33 flows into the water receiving disc 41 and the water tank 42 in sequence, under the action of the water pump 43, water in the water tank 42 is conveyed to the water inlet 11 of the heat exchange device and flows through the upper overflowing channel 13 and the lower overflowing channel 14 to exchange heat with the heat exchange fins 17 of each overflowing area in the lower overflowing channel 14, heat of the condenser 32 is transferred to the condensed water by virtue of the heat exchange fins 17, the condensed water rotates and flows for multiple times in the rotating channel of the heat exchange device to heat up, and hot water flows out from the water outlet 12 for other purposes, such as dish warming and the like.

The working principle of the air-conditioning type range hood is as follows:

range hood and air conditioner all open, through switching blast gate 24, first exhaust passageway 211 is opened, second exhaust passageway 212 is closed, the oil smoke is discharged through first exhaust passageway 211, and, the oil smoke stream can lower the temperature to condenser 32 through the surface of condenser 32, dispel the heat, reduce the refrigerant temperature in the condenser 32 of flowing through, thereby improve condenser 32's heat transfer effect, and simultaneously, the comdenstion water condenses on the surface of evaporimeter 33, the comdenstion water is carried to heat transfer device's water inlet 11, flow out from delivery port 12 after the heat transfer device heat transfer, for other uses. Meanwhile, cold air is blown out from the air outlet channel 22.

Only the range hood is opened, the first smoke exhaust channel 211 is closed and the second smoke exhaust channel 212 is opened by switching the air valve 24, and the oil smoke is exhausted outwards through the second smoke exhaust channel 212.

Claims (12)

1. The utility model provides a heat exchange device, includes casing (1), casing (1) inside is formed with overflows the passageway, is equipped with on casing (1) and overflows water inlet (11) and delivery port (12) that the passageway is linked together, its characterized in that: casing (1) inside is equipped with horizontal flow divider (15), horizontal flow divider (15) will overflow the passageway and separate for going up and overflow passageway (13) and lower overflow passageway (14) it has on the intercommunication to overflow passageway (13) and overflow discharge orifice (16) of passageway (14) down to open on horizontal flow divider (15), water inlet (11) and last overflow passageway (13) intercommunication, delivery port (12) and lower overflow passageway (14) are linked together casing (1) bottom arrangement heat exchanger fin (17), the inner end of heat exchanger fin (17) stretches into in lower overflow passageway (14), the outer end of heat exchanger fin (17) exposes in casing (1) bottom.

2. The heat exchange device of claim 1, wherein: a vertical flow partition plate (18) is arranged in the lower overflowing channel (14), the lower overflowing channel (14) is divided into at least two overflowing areas by the vertical flow partition plate (18), and the overflowing holes (16) and the water outlets (12) are correspondingly arranged in different overflowing areas.

3. The heat exchange device of claim 2, wherein: at least two vertical flow baffles (18) are distributed at intervals, an overflowing gap (19) is reserved between one side of each vertical flow baffle (18) and the inner side wall of the shell (1), and the overflowing gaps (19) corresponding to the adjacent vertical flow baffles (18) are located on different sides of the shell (1), so that the lower overflowing channel (14) is provided with a rotary overflowing area.

4. The heat exchange device of claim 3, wherein: the overflowing hole (16) and the water outlet (12) are respectively arranged on the overflowing area on the outermost side of the shell (1).

5. The heat exchange device of claim 2, wherein: the top of the vertical flow partition plate (18) is abutted against the transverse flow partition plate (15), and the bottom of the vertical flow partition plate (18) is abutted against the inner bottom wall of the shell (1).

6. The heat exchange device of claim 2, wherein: the heat exchange fins (17) are in the shape of insertion pieces and are uniformly distributed in each overcurrent area at intervals, and the outer ends of the heat exchange fins (17) form insertion parts.

7. The heat exchange device of claim 2, wherein: the shell (1) is in a square box shape, and the transverse flow partition plate (15) and the vertical flow partition plate (18) are both flat plates.

8. The utility model provides an air conditioner formula range hood, includes casing (20) and installs the air conditioning pack in the casing inside, casing (20) inside is equipped with smoke evacuation passageway (21) and air-out passageway (22) of mutual isolation, air conditioning pack includes compressor (31), condenser (32) and evaporimeter (33), be linked together its characterized in that through refrigerant pipeline (34) between compressor (31), condenser (32) and evaporimeter (33): the condenser (32) is arranged in the smoke evacuation channel (21), and the heat exchange device according to any one of claims 1 to 7 is mounted on the condenser (32).

9. An air-conditioning type range hood as set forth in claim 8, wherein: condenser (32) including horizontal arrangement last liquid collection pipe (321), down liquid collection pipe (322) and locate on the liquid collection pipe and between the liquid collection pipe down and interval arrangement's flat pipe (323), install fin (324) between adjacent flat pipe (323), go up liquid collection pipe (321) and communicate each other with lower liquid collection pipe (322) through flat pipe (323), heat transfer device's heat exchanger fin (17) insert in the clearance of fin (324).

10. An air-conditioning type range hood according to claim 8, wherein: a water receiving tray (41) is installed below the evaporator (33), the range hood further comprises a water tank (42), a water outlet of the water receiving tray (41) is communicated with a water inlet of the water tank (42), a water outlet of the water tank (42) is communicated with a water channel between water inlets (11) of the heat exchange devices, a water pump (43) is installed on the water channel, a water storage box is installed outside the range hood, and a water outlet (12) of the heat exchange devices is communicated with the water storage box through a water outlet pipe.

11. An air-conditioning type range hood according to claim 8, wherein: the range hood is characterized in that the range hood fan (23) is installed inside the machine shell (20), the range hood channel (21) is arranged at the downstream of the range hood fan (23) along the oil smoke flowing direction, the range hood channel (21) comprises a first range hood channel (211) and a second range hood channel (212), an air valve (24) used for switching one of the first range hood channel (211) and the second range hood channel (212) to be communicated with the outlet of the range hood fan (23) is installed at the outlet of the range hood fan (23), and the condenser (32) and the heat exchange device are arranged in the first range hood channel (211).

12. An air-conditioning type range hood as set forth in claim 8, wherein: the compressor (31) is installed inside the casing (20).

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