CN210766044U - Internal circulation clothes dryer and drying system - Google Patents
Internal circulation clothes dryer and drying system Download PDFInfo
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- CN210766044U CN210766044U CN201920519086.7U CN201920519086U CN210766044U CN 210766044 U CN210766044 U CN 210766044U CN 201920519086 U CN201920519086 U CN 201920519086U CN 210766044 U CN210766044 U CN 210766044U
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Abstract
The utility model provides an inner loop dryer and drying system, the dryer includes a dry clothing section of thick bamboo, the circulation wind path, and air supply mechanism and heat pump unit, heat pump unit includes the refrigerant pipeline, and concatenate the evaporimeter on the refrigerant pipeline in proper order, a compressor, condenser and choke valve, the evaporimeter includes the evaporimeter casing, be equipped with the heat transfer board that is stratiform interval arrangement in the evaporimeter casing, the space between the adjacent heat transfer board forms the dehumidification passageway, the air outlet and the dehumidification import of a dry clothing section of thick bamboo are communicated, the refrigerant pipeline runs through the heat transfer board and inserts and locate in the evaporimeter casing, the dehumidification import and the dehumidification export of adjacent dehumidification passageway are located the both sides staggered arrangement of refrigerant pipeline, so that the refrigerated air that dehumidifies carries out the secondary heat transfer with the hot humid air that gets into in the adjacent dehumidification passageway through the heat transfer board; the condenser comprises a condenser shell with a heating channel inside, a dehumidification outlet is communicated with a heating inlet, and an air inlet of the drying cylinder is communicated with the heating outlet.
Description
Technical Field
The utility model relates to an inner loop clothes dryer and drying system field.
Background
With the improvement of the living standard and the acceleration of the pace of life of people, the clothes dryer has the advantages of fast drying clothes, no airing and the like, and is gradually becoming a common daily household appliance.
For example, chinese patent publication No. CN106245291B and No. 2018.10.09 disclose a clothes dryer, and more particularly, a clothes dryer including a cabinet, a drying chamber, a circulation air path, an air blowing mechanism, and a heat pump unit, in which a heat pump of the heat pump unit is formed by connecting a compressor, a condenser, a restrictor, and an evaporator in a circulating manner by a refrigerant pipe to form a refrigeration cycle. Wherein the condenser and the evaporator constituting the heat exchanger are disposed: the middle air passage of the circulating air passage. The evaporator is disposed upstream of the condenser, and the condenser functions as a heating means for heating air passing through the circulation air duct, and the evaporator functions as a dehumidifying means for cooling and dehumidifying air passing through the circulation air duct.
In the prior art, high humidity air in a drying chamber is introduced into an evaporator through a circulation air path, moisture in the air is liquefied into water drops for dehumidification through cooling of a refrigerant pipe, then the water drops are directly discharged and introduced into a condenser through the circulation air path, the air is heated through the refrigerant pipe to be heated, and finally the hot air is circulated into the drying chamber to dry clothes. However, in the evaporator, only the refrigerant pipe dehumidifies the air, the contact area between the air and the pipe wall of the refrigerant pipe is limited, the heat exchange efficiency is low, the dehumidification and heating effects are poor, and finally the work efficiency of drying the clothes in the whole clothes dryer is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide an inner loop clothes dryer to solve among the prior art because the heat exchange efficiency of evaporimeter is low, dehumidification and heating effect are poor, the problem that work efficiency is low that whole clothes dryer dries the clothing. Simultaneously the utility model aims at still providing a drying system.
The technical proposal of the internal circulation clothes dryer of the utility model is that:
the internal circulation clothes dryer comprises a clothes drying cylinder, a circulation air path communicated with an air inlet and an air outlet of the clothes drying cylinder, an air supply mechanism and a heat pump unit which are connected in series on the circulation air path, the heat pump unit comprises a refrigerant pipeline, an evaporator, a compressor, a condenser and a throttle valve which are connected in series on the refrigerant pipeline in sequence, the evaporator comprises an evaporator shell, heat exchange plates which are arranged at intervals in a layered mode are arranged in the evaporator shell, a dehumidification channel is formed in the space between every two adjacent heat exchange plates, the air outlet of the clothes drying cylinder is communicated with the dehumidification channel, the refrigerant pipeline penetrates through the heat exchange plate and is inserted in the shell of the evaporator, the dehumidification inlet and the dehumidification outlet of the adjacent dehumidification channels are positioned at the two sides of the refrigerant pipeline in a staggered way, so that the dehumidified and cooled air carries out secondary heat exchange with the hot and humid air entering the adjacent dehumidification channels through the heat exchange plates; the condenser comprises a condenser shell with a heating channel inside, the dehumidification outlet is communicated with the heating inlet of the heating channel, and the air inlet of the clothes drying cylinder is communicated with the heating outlet of the heating channel.
Has the advantages that: the hot and humid air after passing through the refrigerant pipeline is changed into dry and cold air, and because the air flow directions in the two adjacent dehumidification channels are opposite, the dry and cold air after passing through the refrigerant pipeline can exchange heat with the hot and humid air which does not pass through the refrigerant pipeline in the adjacent channel through the heat exchange plate, namely, the dry and cold air in the dehumidification channel pre-cools the hot and humid air which just enters the dehumidification channel, and the hot and humid air which just enters the dehumidification channel also pre-heats the dry and cold air in the dehumidification channel. From the perspective of the whole evaporator, the heat exchange area is not limited to the refrigerant pipeline, and the heat exchange plate is another part of the heat exchange area, and can perform auxiliary cooling on hot and humid air and auxiliary heating after cooling. The auxiliary cooling effect of the heat exchange plate further utilizes the low temperature of the dry and cold air, so that the low temperature dry and cold air is prevented from being directly discharged out of the dehumidification channel, and the dehumidification effect on the hot and humid air is also improved; correspondingly, the auxiliary heating function of the heat exchange plate ensures that the temperature of the dry and cold air can be raised in time, and the heat output by the condenser is indirectly saved. More importantly, the secondary heat exchange between the dry and cold air and the hot and humid air realizes the full utilization of the energy efficiency of the heat pump unit, simultaneously achieves the dual functions of improving the dehumidification effect and the heating effect, and ensures that the clothes drying machine has higher work efficiency for drying clothes.
Further, in order to facilitate the butt-joint communication with the circulation air path, a dehumidification inlet inclined plane and a dehumidification outlet inclined plane are arranged on the same side of the evaporator shell, which is located on the refrigerant pipeline, and form an included angle with the opening facing the refrigerant pipeline.
Furthermore, in order to uniformly cool and dehumidify the hot and humid air entering the dehumidification channel, a refrigerant circulation tube bundle is arranged on the refrigerant pipeline and penetrates through the heat exchange plate to be inserted into the evaporator shell.
Further, in order to improve the dehumidification efficiency, the refrigerant circulation tube bundle is disposed at a middle portion of the evaporator case.
Furthermore, in order to uniformly cool and dehumidify the hot and humid air entering the dehumidification channel, the refrigerant circulation tube bundles are arranged in a plurality of rows in a vertical plane perpendicular to the air circulation direction in the dehumidification channel, and the positions of the refrigerant circulation tube bundles in two adjacent rows are staggered.
Further, carry out the area of heat transfer through the heat transfer board between dry cold air and the hot humid air in the increase evaporimeter, the heat transfer board is the buckled plate of the unsmooth undulation of transversal personally submitting, and the direction of circulation of air in the undulant extending direction perpendicular to dehumidification passageway of buckled plate.
Furthermore, in order to increase the area of heat exchange between dry and cold air and hot and humid air in the evaporator through the heat exchange plate, the heat exchange plate is a bow-shaped plate with a concave-convex cross section, and the extending direction of the bow-shaped plate is perpendicular to the air circulation direction in the dehumidification channel.
Furthermore, in order to avoid the accumulation of the condensed water in the dehumidification channel and influence the normal circulation of air, a drain pipe for discharging the condensed water is further arranged on the evaporator shell.
Furthermore, the sufficient air supply power is ensured, the long-term contact with high-humidity gas is avoided, and the air supply mechanism is a fan arranged at the downstream of a heating outlet of the circulating air path.
The technical scheme of the utility model is that:
the drying system comprises a drying cavity, a circulating air path communicated with an air inlet and an air outlet of the drying cavity, and an air supply mechanism and a heat pump unit which are serially connected on the circulating air path, wherein the heat pump unit comprises a refrigerant pipeline, an evaporator, a compressor, a condenser and a throttle valve which are sequentially serially connected on the refrigerant pipeline, the evaporator comprises an evaporator shell, heat exchange plates which are arranged at intervals in a layered mode are arranged in the evaporator shell, a dehumidification channel is formed in the space between every two adjacent heat exchange plates, the air outlet of the drying cavity is communicated with the dehumidification channel, the refrigerant pipeline penetrates through the heat exchange plates and is inserted into the evaporator shell, and a dehumidification inlet and a dehumidification outlet of each adjacent dehumidification channel are positioned on two sides of the refrigerant pipeline in a staggered mode, so that air cooled through dehumidification is subjected to secondary heat exchange with hot and humid air entering the adjacent dehumidification channels through the heat; the condenser comprises a condenser shell with a heating channel inside, the dehumidification outlet is communicated with the heating inlet of the heating channel, and the air inlet of the drying cavity is communicated with the heating outlet of the heating channel.
Has the advantages that: the hot and humid air after passing through the refrigerant pipeline is changed into dry and cold air, and because the air flow directions in the two adjacent dehumidification channels are opposite, the dry and cold air after passing through the refrigerant pipeline can exchange heat with the hot and humid air which does not pass through the refrigerant pipeline in the adjacent channel through the heat exchange plate, namely, the dry and cold air in the dehumidification channel pre-cools the hot and humid air which just enters the dehumidification channel, and the hot and humid air which just enters the dehumidification channel also pre-heats the dry and cold air in the dehumidification channel. From the perspective of the whole evaporator, the heat exchange area is not limited to the refrigerant pipeline, and the heat exchange plate is another part of the heat exchange area, and can perform auxiliary cooling on hot and humid air and auxiliary heating after cooling. The auxiliary cooling effect of the heat exchange plate further utilizes the low temperature of the dry and cold air, so that the low temperature dry and cold air is prevented from being directly discharged out of the dehumidification channel, and the dehumidification effect on the hot and humid air is also improved; correspondingly, the auxiliary heating function of the heat exchange plate ensures that the temperature of the dry and cold air can be raised in time, and the heat output by the condenser is indirectly saved. More importantly, the secondary heat exchange between the dry and cold air and the hot and humid air realizes the full utilization of the energy efficiency of the heat pump unit, simultaneously achieves the dual functions of improving the dehumidification effect and the heating effect, and ensures that the clothes drying machine has higher work efficiency for drying clothes.
Further, in order to facilitate the butt-joint communication with the circulation air path, a dehumidification inlet inclined plane and a dehumidification outlet inclined plane are arranged on the same side of the evaporator shell, which is located on the refrigerant pipeline, and form an included angle with the opening facing the refrigerant pipeline.
Furthermore, in order to uniformly cool and dehumidify the hot and humid air entering the dehumidification channel, a refrigerant circulation tube bundle is arranged on the refrigerant pipeline and penetrates through the heat exchange plate to be inserted into the evaporator shell.
Further, in order to improve the dehumidification efficiency, the refrigerant circulation tube bundle is disposed at a middle portion of the evaporator case.
Furthermore, in order to uniformly cool and dehumidify the hot and humid air entering the dehumidification channel, the refrigerant circulation tube bundles are arranged in a plurality of rows in a vertical plane perpendicular to the air circulation direction in the dehumidification channel, and the positions of the refrigerant circulation tube bundles in two adjacent rows are staggered.
Further, carry out the area of heat transfer through the heat transfer board between dry cold air and the hot humid air in the increase evaporimeter, the heat transfer board is the buckled plate of the unsmooth undulation of transversal personally submitting, and the direction of circulation of air in the undulant extending direction perpendicular to dehumidification passageway of buckled plate.
Furthermore, in order to increase the area of heat exchange between dry and cold air and hot and humid air in the evaporator through the heat exchange plate, the heat exchange plate is a bow-shaped plate with a concave-convex cross section, and the extending direction of the bow-shaped plate is perpendicular to the air circulation direction in the dehumidification channel.
Furthermore, in order to avoid the accumulation of the condensed water in the dehumidification channel and influence the normal circulation of air, a drain pipe for discharging the condensed water is further arranged on the evaporator shell.
Furthermore, in order to ensure sufficient air supply power and avoid long-term contact with high-humidity gas, the air supply mechanism is a fan arranged at the downstream of the heating outlet of the circulating air path.
Drawings
FIG. 1 is a schematic diagram of an embodiment 1 of the internal circulation clothes dryer of the present invention;
fig. 2 is a schematic perspective view of an evaporator in the embodiment 1 of the internal circulation clothes dryer according to the present invention;
FIG. 3 is a schematic right-side view of FIG. 2;
FIG. 4 is a schematic front view of FIG. 2;
FIG. 5 is a schematic view showing the circulation of air in the evaporator in the embodiment 1 of the internal circulation clothes dryer of the present invention;
fig. 6 is a vertical sectional view perpendicular to an air circulation direction of an evaporator in the embodiment 2 of the internal circulation dryer of the present invention;
fig. 7 is a vertical sectional view perpendicular to an air circulation direction of an evaporator in embodiment 3 of the internal circulation dryer of the present invention.
In the figure: 1-dry clothes drum, 2-circulating air path, 3-fan, 4-evaporator, 40-evaporator shell, 41-dehumidification inlet inclined plane, 410-dehumidification inlet, 42-dehumidification outlet inclined plane, 420-dehumidification outlet, 43-refrigerant circulation tube bundle, 44-heat exchange flat plate, 45-corrugated plate, 46-arched plate, 5-compressor, 6-condenser, 7-throttle valve, 8-refrigerant pipeline, a 1-dry hot air, a 2-hot humid air, a 3-dry cold air, b 1-low pressure gaseous refrigerant, b 2-high pressure gaseous refrigerant, b 3-liquid refrigerant and c-condensed water.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses a concrete embodiment 1 of inner loop dryer, as shown in fig. 1 to 5, the inner loop dryer includes a dry clothing section of thick bamboo 1, the intercommunication is at the air intake of a dry clothing section of thick bamboo 1 and the circulation wind path 2 of air outlet department, and concatenate fan 3 and the heat pump unit on circulation wind path 2, the heat pump unit includes refrigerant pipeline 8, and concatenate evaporimeter 4 on refrigerant pipeline 8 in proper order, compressor 5, condenser 6 and choke valve 7, evaporimeter 4 concatenates on being located the circulation wind path 2 of a dry clothing section of thick bamboo 1 low reaches, cool off the dehumidification with the hot humid air a2 of air outlet exhaust from a dry clothing section of thick bamboo 1. The condenser 6 is connected in series with the circulating air path 2 and located at the downstream position of the evaporator 4, the dehumidification outlet 420 of the evaporator 4 is communicated with the heating inlet of the condenser 6, the heating outlet of the condenser 6 is communicated with the air inlet of the drying cylinder 1 so as to heat dry and cold air a3 to form dry and hot air a1, the dry and hot air a1 carries out wind-heat dehumidification on wet clothes in the drying cylinder 1, and moisture in the wet clothes is taken away through circulation of air, so that the clothes can be dried quickly. The fan 3 is arranged at the downstream position of a heating outlet of the circulating air path 2, dry and hot air is directly blown into the drying cylinder 1 through the fan 3, the sufficiency of air supply power is ensured, the long-term contact with high-humidity gas is avoided, and the working stability and the service life of the fan 3 are ensured.
In the heat pump unit, a compressor 5 is connected in series to a refrigerant line 8 through which refrigerant flows from an evaporator 4 to a condenser 6, and a throttle valve 7 is connected in series to a refrigerant line 8 through which refrigerant flows from the condenser 6 back to the evaporator 4. When the refrigerant flows through the evaporator 4, the refrigerant is gasified from liquid state to low-pressure gas state, meanwhile, the refrigerant absorbs heat from the hot humid air a2 through the pipe wall, and the moisture in the hot humid air a2 is liquefied into condensed water c when meeting the pipe wall of the refrigerant circulating pipe bundle 43, thereby achieving the effect of cooling and dehumidifying the hot humid air a 2; the low-pressure gaseous refrigerant b1 is pressurized by the compressor 5 to form high-pressure gaseous refrigerant b2, the high-pressure gaseous refrigerant b2 is liquefied from high-pressure gas to liquid when flowing through the condenser 6, and meanwhile, the refrigerant releases heat to the dry and cold air a3 through the pipe wall, so that the effect of heating and warming the dry and cold air a3 is achieved; the liquid refrigerant b3 is pressurized by the throttle valve 7 and circulated again to the evaporator 4.
The evaporator 4 comprises an evaporator shell 40, wherein heat exchange flat plates 44 are arranged in the evaporator shell 40 at intervals in a layered manner, and spaces between adjacent heat exchange flat plates 44 form dehumidification channels. In the present embodiment, the heat exchange plate 44 constitutes a heat exchange plate for performing a secondary heat exchange between the cooled and dehumidified air and the hot and humid air a2 in the adjacent dehumidification passage. The refrigerant pipeline 8 is provided with refrigerant circulating tube bundles 43 penetrating through the heat exchange flat plate 44 and inserted in the middle of the evaporator shell 40, the refrigerant circulating tube bundles 43 are arranged in three rows in a vertical plane perpendicular to the air circulation direction in the dehumidification channel, and the positions of the two adjacent rows of refrigerant circulating tube bundles 43 are staggered. Refrigerant circulation tube bank 43 sets up multirow and the position staggers, has guaranteed to carry out the even cooling dehumidification to hot humid air a2 in getting into the dehumidification passageway, has improved dehumidification efficiency.
The evaporator case 40 has a hollow octagonal prism shape, and the inclined surface between the front side surface and the right side surface and the inclined surface between the front side surface and the left side surface are respectively a dehumidification outlet inclined surface 42, and the inclined surface between the rear side surface and the right side surface and the inclined surface between the rear side surface and the left side surface are respectively a dehumidification inlet inclined surface 41. The included angle of the opening towards the refrigerant circulation tube bundle 43 is formed by the dehumidification inlet inclined plane 41 and the dehumidification outlet inclined plane 42 which are positioned on the left side or the right side, the dehumidification inlet 410 is arranged on the dehumidification inlet inclined plane 41 at an upper-lower interval, the dehumidification outlet 420 is arranged on the dehumidification outlet inclined plane 42 at an upper-lower interval, and the dehumidification inlets 410 of the adjacent dehumidification channels are positioned on two sides of the refrigerant circulation tube bundle 43 in a staggered arrangement mode. The dehumidifying inlets 410 and the dehumidifying outlets 420 are arranged in a staggered manner, so that the dehumidifying air ducts are conveniently in butt joint communication with the circulating air duct.
Hot and humid air a2 is introduced into the dehumidification channel from the dehumidification inlet 410, the hot and humid air a2 exchanges heat with the refrigerant through the tube wall when flowing through the refrigerant circulation tube bundle 43, moisture in the hot and humid air a2 is cooled into condensed water c, and the hot and humid air a2 becomes dry and cold air a3 after passing through the refrigerant circulation tube bundle 43. Because the air flow directions in the two adjacent dehumidification channels are opposite, the dry and cold air a3 passing through the refrigerant flow tube bundle 43 can also exchange heat with the hot and humid air a2 in the adjacent channel which does not pass through the refrigerant flow tube bundle 43 through the heat exchange flat plates 44, that is, the dry and cold air a3 in the dehumidification channel pre-cools the hot and humid air a2 which just enters the dehumidification channel, and similarly, the hot and humid air a2 which just enters the dehumidification channel also pre-heats the dry and cold air a3 in the dehumidification channel.
From the perspective of the entire evaporator 4, the heat exchange area is not limited to the refrigerant flow tube bundle 43, and the heat exchange plate 44 is another part of the heat exchange area, and can perform auxiliary cooling on the hot humid air a2 and auxiliary heating after cooling. The auxiliary cooling effect of the heat exchange flat plate 44 further utilizes the low temperature of the dry and cold air a3, so that the low temperature dry and cold air a3 is prevented from being directly discharged out of a dehumidification channel, and the dehumidification effect of the hot and humid air a2 is also improved; accordingly, the auxiliary heating function of the heat exchange flat plate 44 ensures that the dry and cold air a3 can be raised in temperature in time, and indirectly saves the heat output by the condenser 6. More importantly, the secondary heat exchange between the dry and cold air a3 and the hot and humid air a2 realizes the full utilization of the energy efficiency of the heat pump unit, and simultaneously achieves the dual functions of improving the dehumidification effect and the heating effect. In addition, the evaporator shell 40 is further provided with a drain pipe, not shown in the figure, the position of each layer of heat exchange flat plate 44 corresponding to the refrigerant flow tube bundle 43 is provided with a drain guide groove extending along the direction in which the refrigerant flow tube bundles 43 are arranged side by side, the drain guide groove is slightly recessed downwards, the side wall of the evaporator shell 40 corresponding to the bottom of the drain guide groove is provided with an opening, the drain pipe is converged at each opening position, the drain pipe is connected with each dehumidification channel to discharge the condensed water c outwards, and the condensed water c is prevented from being accumulated in the dehumidification channel to affect the normal circulation of air.
The utility model discloses a concrete embodiment 2 of inner loop clothes dryer, lie in with concrete embodiment 1's difference, as shown in fig. 6, in order to increase the area that carries out the heat transfer through the heat transfer board between dry cold air and the hot humid air in the evaporimeter, improve heat exchange efficiency and drying quality, the heat transfer is dull and stereotyped can be for the transversal buckled plate of personally submitting unsmooth undulation, the direction of circulation of air in the undulant extending direction perpendicular to dehumidification passageway of buckled plate, ensure the smooth and easy nature of circulation of air when increase heat transfer area.
The utility model discloses a concrete embodiment 3 of inner loop clothes dryer, lie in with concrete embodiment 1's difference, as shown in fig. 7, in order to increase the area that carries out the heat transfer through the heat transfer board between dry cold air and the hot humid air in the evaporimeter, improve heat exchange efficiency and drying quality, the heat transfer flat board can be for the transversal bow shaped plate of personally submitting unsmooth undulation, the direction of circulation of air in the undulant extending direction perpendicular to dehumidification passageway of bow shaped plate, ensure the smooth and easy nature of circulation of air in increase heat transfer area.
The utility model discloses a concrete embodiment 4 of inner loop clothes dryer, with concrete embodiment 1's difference lie in, in order to simplify the structure, make things convenient for arranging of refrigerant pipeline in the heat pump unit, can save and establish refrigerant circulation tube bank on the refrigerant pipeline, and directly run through the heat transfer board with the refrigerant pipeline and insert and locate the evaporator shell, cool off the dehumidification to the air through the pipe wall of single refrigerant pipeline.
The utility model discloses a drying system's concrete embodiment, drying system include dry chamber, intercommunication at the air intake of dry chamber and the circulation wind path of air outlet and concatenate air supply mechanism and the heat pump unit on the circulation wind path, this heat pump unit with the utility model discloses an in the concrete implementation of inner loop dryer the heat pump unit of each concrete embodiment of inner loop dryer is the same, no longer gives unnecessary details here. More specifically, the drying system can also be a fruit and vegetable drying system and the like.
Claims (10)
1. An internal circulation clothes dryer comprises a clothes drying cylinder, a circulation air path communicated with an air inlet and an air outlet of the clothes drying cylinder, an air supply mechanism and a heat pump unit which are connected in series on the circulation air path, it is characterized in that the heat pump unit comprises a refrigerant pipeline, an evaporator, a compressor, a condenser and a throttle valve which are connected in series on the refrigerant pipeline in sequence, the evaporator comprises an evaporator shell, heat exchange plates which are arranged at intervals in a layered mode are arranged in the evaporator shell, a dehumidification channel is formed in the space between every two adjacent heat exchange plates, the air outlet of the clothes drying cylinder is communicated with the dehumidification channel, the refrigerant pipeline penetrates through the heat exchange plate and is inserted in the shell of the evaporator, the dehumidification inlet and the dehumidification outlet of the adjacent dehumidification channels are positioned at the two sides of the refrigerant pipeline in a staggered way, so that the dehumidified and cooled air carries out secondary heat exchange with the hot and humid air entering the adjacent dehumidification channels through the heat exchange plates; the condenser comprises a condenser shell with a heating channel inside, the dehumidification outlet is communicated with the heating inlet of the heating channel, and the air inlet of the clothes drying cylinder is communicated with the heating outlet of the heating channel.
2. The internal circulation clothes dryer of claim 1 wherein the evaporator housing is provided with a dehumidification inlet ramp and a dehumidification outlet ramp on the same side of the refrigerant line, the dehumidification inlet ramp and the dehumidification outlet ramp forming an included angle with the opening facing the refrigerant line.
3. The internal circulation clothes dryer according to claim 1 or 2, wherein a refrigerant circulation tube bundle is provided on the refrigerant pipeline, and the refrigerant circulation tube bundle is inserted in the evaporator shell through the heat exchange plate.
4. The internal circulation dryer according to claim 3 wherein said refrigerant flow tube bundle is disposed in a central portion of the evaporator shell.
5. The internal circulation clothes dryer of claim 3 wherein said refrigerant flow tube bundles are arranged in a plurality of rows in a vertical plane perpendicular to the direction of air flow in the dehumidification passage with the refrigerant flow tube bundles in adjacent rows being staggered.
6. The internal circulation clothes dryer of claim 1 or 2, wherein the heat exchange plates are corrugated plates having a cross section with concave-convex undulations, and the undulation extension direction of the corrugated plates is perpendicular to the air circulation direction in the dehumidifying channel.
7. The internal circulation clothes dryer of claim 1 or 2, wherein the heat exchange plate is a bow-shaped plate with a concave-convex cross section, and the extending direction of the bow-shaped plate is perpendicular to the air circulation direction in the dehumidification channel.
8. The internal circulation clothes dryer of claim 1 or 2 wherein the evaporator housing is further provided with a drain for draining condensed water.
9. The internal-circulation clothes dryer according to claim 1 or 2, wherein the air supply mechanism is a fan provided downstream of the heating outlet of the circulation air passage.
10. A drying system, comprising a drying chamber, a circulation air path communicated with an air inlet and an air outlet of the drying chamber, and an air supply mechanism and a heat pump unit connected in series on the circulation air path, characterized in that the heat pump unit is the same as the heat pump unit in the internal circulation clothes dryer of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519086.7U CN210766044U (en) | 2019-04-16 | 2019-04-16 | Internal circulation clothes dryer and drying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920519086.7U CN210766044U (en) | 2019-04-16 | 2019-04-16 | Internal circulation clothes dryer and drying system |
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| CN210766044U true CN210766044U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438758A (en) * | 2020-11-03 | 2022-05-06 | 苏州三星电子有限公司 | Heat pump clothes dryer and method for preventing wrinkles and quickly drying clothes |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438758A (en) * | 2020-11-03 | 2022-05-06 | 苏州三星电子有限公司 | Heat pump clothes dryer and method for preventing wrinkles and quickly drying clothes |
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