CN108425222B - An energy-saving clothes dryer - Google Patents
An energy-saving clothes dryer Download PDFInfo
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- CN108425222B CN108425222B CN201710076312.4A CN201710076312A CN108425222B CN 108425222 B CN108425222 B CN 108425222B CN 201710076312 A CN201710076312 A CN 201710076312A CN 108425222 B CN108425222 B CN 108425222B
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- 238000001035 drying Methods 0.000 claims abstract description 60
- 238000010521 absorption reaction Methods 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 75
- 238000004140 cleaning Methods 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 14
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 239000007921 spray Substances 0.000 description 15
- 238000007789 sealing Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
本发明公开了一种节能干衣机。包括机壳、机门、干衣筒，在所述机壳内设置有将空气引入干衣筒内的进气通道和将湿热空气排出干衣筒的排气通道，还包括可拆卸清洗的节能装置，所述节能装置包括设置在排气通道内的吸热模块和设置在进气通道内的放热模块，所述吸热模块吸收排出干衣筒的湿热空气所包含的热量，所述放热模块利用吸热模块吸收的热量预加热初次进入进气通道的空气。本发明所述节能干衣机的节能装置可拆卸清洗，避免其因为堵塞毛絮等杂质无法及时、彻底的清除所带来的干衣效率和热回收效率降低；热回收效率高，风道结构简单，便于组装及生产，节约成本；缩短干衣时间，降低加热器功率。
The invention discloses an energy-saving clothes dryer. It includes a casing, a door, and a clothes dryer. The casing is provided with an air intake channel for introducing air into the clothes dryer and an exhaust channel for discharging moist and hot air out of the clothes dryer. It also includes a detachable and cleanable energy-saving device. The energy-saving device includes a heat absorption module arranged in the exhaust channel and a heat release module arranged in the air intake channel, the heat absorption module absorbs the heat contained in the hot and humid air discharged from the clothes dryer, and the heat release module The heat module uses the heat absorbed by the heat absorption module to preheat the air that first enters the intake passage. The energy-saving device of the energy-saving clothes dryer of the present invention can be disassembled and cleaned, so as to avoid the reduction of drying efficiency and heat recovery efficiency caused by the impurity such as clogging of fluff and other impurities that cannot be removed in time and completely; the heat recovery efficiency is high, and the air duct structure Simple, easy to assemble and produce, save cost; shorten drying time and reduce heater power.
Description
Technical Field
The invention belongs to the field of clothes dryers, and particularly relates to an energy-saving clothes dryer capable of recovering waste heat.
Background
The dryer is a clean household appliance that instantly evaporates and dries moisture in washed laundry by using electric heating. The clothes dryer is divided into the following parts according to the moisture removal mode: an exhaust type and a dehumidification type. The exhaust type is that high-temperature and high-humidity air formed by evaporating water in the machine is directly exhausted out of the machine; the dehumidification type is that high-temperature and high-humidity air passes through a heat exchanger to generate condensed water and then is discharged out of the machine. Modern clothes dryers mostly adopt a hot air drying mode, belong to an exhaust type clothes dryer, and are mostly exhaust type drum clothes dryers. However, the exhaust type drum dryer sucks in outside air, heats the air by the heater, then introduces the air into the drum to dry clothes, and directly discharges the exhaust gas rich in water vapor after drying. The waste gas has high temperature and contains a large amount of heat, but the high-temperature waste gas cannot be fully utilized and is directly discharged to cause heat loss, so that a large amount of energy is wasted, and the surrounding environment of the clothes dryer is influenced.
Chinese patent application No. 02228898.8 discloses a drying device of a dry cleaner and a washing dryer capable of recovering heat energy, a drying device capable of recovering heat energy. A cross air duct is additionally arranged in a drying device mainly comprising a rotating cage, a fan, a condenser and a heater, the structure of the air duct is changed, and heat is efficiently exchanged by a heat pipe exchanger. Can recover a large amount of heat energy without consuming electric energy, and is suitable for open-type and totally-closed dry cleaning machines and washing and drying machines. The heat recovery mode has a complex structure and long air path, inevitably brings about the problem of large wind resistance, thereby influencing the heat recovery efficiency, simultaneously, the air channel and the heat pipe exchanger are easily blocked by the catkin or impurities, the impurities such as the catkin and the like cannot be thoroughly removed only by water flow washing after the blockage, and clothes drying and heat recovery cannot be better carried out.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide the energy-saving clothes dryer which is simple in structure, capable of detachably cleaning blocking objects, convenient to assemble and produce, high in heat exchange efficiency, capable of fully utilizing heat in waste gas, capable of reducing energy consumption and capable of reducing influences on the surrounding environment.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an energy-conserving dryer, includes casing, machine door, dry clothing section of thick bamboo be provided with the inlet channel that will air introduction dry clothing section of thick bamboo in the casing and the exhaust passage who will wet hot air discharge dry clothing section of thick bamboo, still including dismantling abluent economizer, economizer is including setting up the heat absorption module in exhaust passage and setting up the module that gives out heat in inlet channel, the heat that the wet hot air that the heat absorption module absorbed the dry clothing section of thick bamboo of discharging contains, the module that gives out heat utilizes the heat that the heat absorption module absorbs to preheat the air that gets into inlet channel for the first time.
The energy-saving device is detachably arranged in the clothes dryer through the mounting port.
Further, the exhaust passage is disposed adjacent to at least one section of the intake passage, and both passages share adjacent passage walls, preferably, both passages share adjacent passage walls at the intersection.
And the common channel wall at the intersection is provided with a mounting through hole.
The energy-saving device also comprises a heat transfer module and a partition plate, wherein the partition plate is arranged between the heat absorption module and the heat release module, and the shape and the size of the partition plate are matched with the installation through hole and matched with the installation through hole to seal the channel; the heat transfer module penetrates through the partition plate and is connected with the heat absorption module and the heat release module.
The energy-saving device also comprises an annular sealing element which is arranged between the partition plate and the channel wall where the mounting through hole is positioned, and the two channels are sealed, so that air flows in the air inlet channel and the air outlet channel are prevented from communicating with each other.
Furthermore, the exhaust channel and the intake channel are arranged adjacently at least in one section, a first mounting through hole and a second mounting through hole which are coaxial and communicated with each other are respectively arranged on the two adjacent channel walls, and the size of the first mounting through hole is larger than that of the second mounting through hole. The rear channel wall of the exhaust channel/intake channel and the front channel wall of the intake channel/exhaust channel are two adjacent channel walls.
The energy-saving device also comprises a heat transfer module, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged between the heat absorption module and the heat release module, the shapes and the sizes of the first partition plate and the second partition plate are matched with the first mounting through hole and the second mounting through hole, and the first partition plate and the second partition plate are matched with the first mounting through hole and the second mounting through hole to seal the exhaust channel/the air inlet channel; the heat transfer module penetrates through the first partition plate and the second partition plate and is connected with the heat absorption module and the heat release module.
The part of the heat transfer module between the first partition and the second partition is wrapped with heat insulation materials.
The energy-saving device also comprises an annular sealing element which is arranged between the first partition plate and the second partition plate and the channel walls where the first mounting through hole and the second mounting through hole are arranged, and the two channels are respectively sealed, so that air in the two channels is prevented from overflowing out of the channels.
Furthermore, the energy-saving device also comprises at least two positioning blocks which are arranged on the side edge of the heat absorption module/the heat release module of the energy-saving device, and the at least two positioning blocks are arranged oppositely. And at least two positioning pins are arranged on the adjacent channel walls, so that the energy-saving device is convenient to position and mount.
Furthermore, an openable and closable cleaning cover is arranged at the mounting opening on the dryer shell, and a positioning mounting opening is arranged on the front channel wall of the exhaust channel/air inlet channel close to one side of the cleaning cover.
The cleaning cover is provided with a sealing element along with the shape of the cleaning cover, and the cleaning cover and the machine shell are hermetically arranged.
Further, the clothes dryer is also provided with a spray head and a water box, and the spray head washes the energy-saving device after the clothes drying procedure is finished; the water box recovers water condensed in the hot and humid air. The shower nozzle sets up at exhaust passage, utilizes the water washing economizer's of water box heat absorption module.
Furthermore, the clothes dryer is also provided with a gas flow sensor which is arranged behind the energy-saving device and used for measuring the flow of the damp-heat gas passing through the energy-saving device, and if the flow change is large and the minimum flow set by the system is reached, the system automatically reminds a user to detach the energy-saving device for cleaning after the work of the clothes dryer is finished.
The heat recovery method of the clothes dryer comprises the following steps:
starting a clothes drying program, starting a fan and feeding air into an air inlet channel;
cold air enters the air inlet channel under the action of the fan assembly, is heated by the heater and then enters the clothes drying cylinder;
the hot air dries the clothes in the drying drum, and the moisture in the clothes is evaporated into water vapor which forms damp hot air with the hot air and is discharged out of the drying drum;
the wet and hot air enters the exhaust channel, and passes through the adjacent channels, the heat absorption modules of the energy-saving devices in the adjacent channels perform heat recovery on heat in the wet and hot air, recover redundant heat and condense out moisture in the wet and hot air, and the condensed moisture is collected and stored in the water box;
the recovered heat is transferred to the heat release module through the heat transfer module of the energy-saving device, and the heat release module preheats cold air newly entering the air inlet channel;
and repeating the steps until the drying is finished, wherein 3-5 minutes after the drying process is finished, the spray head automatically starts to spray a heat absorption module of the energy-saving device, the air flow sensor in the exhaust channel continuously measures the change of the air outlet flow of the clothes drying cylinder after the clothes drying cylinder passes through the energy-saving device, and if the flow change is large, the cleaning cover is detached and the energy-saving device is taken out for cleaning after the clothes drying process is finished.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
(1) The energy-saving device is detachably connected, so that the reduction of clothes drying efficiency and heat recovery efficiency caused by the fact that impurities such as lint are blocked cannot be timely and thoroughly eliminated is avoided;
(2) the air inlet channel and the air exhaust channel are adjacent to each other near the air inlet, and the adjacent parts can share the same channel wall, so that the air channel has a simple structure, is convenient to assemble and produce and saves the cost;
(3) the damp and hot waste gas after drying the clothes is subjected to heat exchange with the sucked air, a large amount of heat contained in the damp and hot waste gas is fully utilized, the energy consumption of the clothes dryer is reduced, the clothes drying time is shortened, and the power of a heater is reduced;
(4) the damp and hot gas which just enters the air inlet of the exhaust channel exchanges heat with the gas which just enters the air inlet of the air inlet channel, so that the heat exchange efficiency is higher;
(5) the damp and hot waste gas is discharged out of the clothes dryer after absorbing a large amount of heat, so that the influence on the surrounding environment is reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the installation of the economizer of the present invention;
FIG. 2 is a schematic diagram of an energy-saving clothes dryer according to a first embodiment of the present invention;
FIG. 3 is a schematic view of the intake and exhaust passages of the present invention;
FIG. 4 is a schematic view of a dryer drum and drying system of the present invention;
FIG. 5 is a schematic view of a mounting through hole of an energy saving device according to a first embodiment of the present invention;
FIG. 6 is a schematic view of the economizer of the present invention;
fig. 7 is a sectional view of the cabinet of the energy-saving clothes dryer according to the first embodiment of the invention.
As shown, 1, a housing; 2. a machine door; 3. a clothes drying cylinder; 4. an air intake passage; 5 an exhaust passage; 6. the heat-absorbing device comprises an energy-saving device 61, a heat-absorbing module 62, a heat-releasing module 63, a heat-transferring module 64, a partition plate 65 and a positioning block; 7. mounting a through hole; 8. cleaning the cover; 9. a water box; 10. a fan assembly; 11. an air inlet window; 12. a heater; 13. an air inlet flange; 14. and (4) a spray head.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, the present invention provides an energy saving clothes dryer, comprising a cabinet 1, a door 2, a drying drum 3, an air intake passage 4 for introducing air into the drying drum 3 and an air exhaust passage 5 for exhausting wet and hot air out of the drying drum 3 are provided in the cabinet 1, and further comprising a detachable and washable energy saving device 6, wherein the energy saving device 6 comprises a heat absorbing module 61 provided in the air exhaust passage 5 and a heat releasing module 62 provided in the air intake passage 4, the heat absorbing module 61 absorbs heat contained in the wet and hot air exhausted from the drying drum 3, and the heat releasing module 62 preheats the air primarily entering the air intake passage 4 by using the heat absorbed by the heat absorbing module 61.
The energy-saving device 6 is suitable for an exhaust type clothes dryer, can also be used for heat recovery of other clothes dryers and is commonly used for heat recovery of a household clothes dryer. The exhaust type clothes dryer generally uses a fan to suck cold air outside the machine into an air inlet channel 4, the cold air enters the air inlet channel 4, then enters a clothes drying drum 3 after being heated by a heater 12, moisture on clothes is heated by hot air and evaporated into steam, wet hot air consisting of the hot air and the steam is driven by the fan to pass through a filter screen and then is exhausted outside the machine through an exhaust channel 5, and the operation lasts for a period of time, so that the clothes are dried. In order to recover a large amount of heat taken away by the damp and hot air exhausted outside, the invention is provided with a detachable and cleaned energy-saving device 6.
The dryer shell 1 is also provided with a mounting hole, and the energy-saving device 6 is detachably mounted in the dryer through the mounting hole.
As shown in fig. 1-6, the exhaust passage 5 is disposed adjacent to the intake passage 4 at least in one section, and both passages share adjacent passage walls, preferably, at the intersection.
Preferably, the air inlet of the air inlet channel 4 is arranged at the lower side of the clothes dryer, the air inlet of the air outlet channel 5 is arranged below the clothes drying cylinder 3 and close to the machine door, the intersection is arranged below the clothes drying cylinder 3, and more preferably, the intersection is close to the air inlet of the air inlet channel 4 and the air inlet of the air outlet channel 5.
The common channel wall at the intersection is provided with a mounting through hole 7.
As shown in fig. 6, the economizer 6 further comprises a heat transfer module 63 and a partition plate 64, the partition plate 64 is arranged between the heat absorption module 61 and the heat release module 62, and the shape and the size of the partition plate 64 are matched with those of the mounting through hole 7, and the partition plate is matched with the mounting through hole 7 to seal the channel; the heat transfer module 63 penetrates the partition 64 and connects the heat absorbing module 61 and the heat releasing module 62.
The economizer 6 further comprises an annular sealing element which is arranged between the partition plate 64 and the wall of the channel where the mounting through hole 7 is located, and seals the two channels to prevent the air flows in the air inlet channel 4 and the air outlet channel 5 from communicating with each other.
Further, the exhaust channel 5 and the intake channel 4 are arranged at least one section adjacently, a first mounting through hole and a second mounting through hole which are coaxial and communicated with each other are respectively arranged on the two adjacent channel walls, and the size of the first mounting through hole is larger than that of the second mounting through hole. The rear channel wall of the exhaust channel 5/intake channel 4 and the front channel wall of the intake channel 4/exhaust channel 5 are two adjacent channel walls.
The energy-saving device 6 further comprises a heat transfer module 63, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged between the heat absorption module 61 and the heat release module 62, the shape and the size of the first partition plate are matched with the first mounting through hole and are matched with the first mounting through hole to seal the exhaust channel 5/the air inlet channel 4, and the shape and the size of the second partition plate are matched with the second mounting through hole and are matched with the second mounting through hole to seal the air inlet channel 4/the air outlet channel 5; the heat transfer module 63 penetrates the partition 64 and connects the heat absorbing module 61 and the heat releasing module 62.
The first clapboard and the second clapboard are heat insulation plates, so that the heat loss of the gas in the exhaust channel 5/the gas inlet channel 4 is prevented.
The energy-saving device also comprises an annular sealing element which is arranged between the first partition plate and the second partition plate and the channel walls where the first mounting through hole and the second mounting through hole are arranged, and the two channels are respectively sealed, so that air in the two channels is prevented from overflowing out of the channels.
As shown in fig. 6, the economizer 6 further includes at least two positioning blocks 65 disposed on the side of the heat absorption module 61/heat release module 62 of the economizer 6, and the at least two positioning blocks 65 are disposed opposite to each other. And at least two positioning pins are arranged on the adjacent channel walls, so that the energy-saving device 6 can be positioned and installed conveniently.
As shown in fig. 2, the mounting opening of the dryer casing is further provided with an openable and closable cleaning cover 8, and the front channel wall of the exhaust channel 5/intake channel 4 near one side of the cleaning cover 8 is provided with a positioning mounting opening, preferably, the cleaning cover 8 has a certain thickness, and the inner side wall thereof seals the positioning mounting opening.
The cleaning cover 8 is provided with a sealing element along with the shape of the cleaning cover 8, and the cleaning cover 8 and the machine shell 1 are installed in a sealing mode.
As shown in fig. 2 and 4, the clothes dryer is further provided with a spray head 14 and a water box 9, the spray head 14 washes the energy-saving device 6 after the clothes drying process is finished; the water box 9 recovers water condensed in the hot and humid air. The spray head 14 is arranged in the exhaust passage 5, and the heat absorption module 61 of the energy-saving device 6 is flushed with water in the water box 9.
Further, the clothes dryer is also provided with a gas flow sensor which is arranged behind the energy-saving device 6 and used for measuring the flow of the damp and hot gas passing through the energy-saving device 6, and if the flow change is large and the minimum flow set by the system is reached, the system automatically reminds a user to detach the energy-saving device 6 for cleaning after the clothes dryer finishes working.
The heat recovery method of the clothes dryer comprises the following steps:
starting a clothes drying program, starting a fan and feeding air into the air inlet channel 4;
the cold air enters the air inlet channel 4 under the action of the fan assembly 10, is heated by the heater 12 and then enters the clothes drying cylinder 3;
the hot air dries the clothes in the drying drum 3, and the moisture in the clothes is evaporated into water vapor which forms damp and hot air with the hot air and is discharged out of the drying drum 3;
the damp and hot air enters the exhaust channel 5, passes through the adjacent channels, and the heat absorption modules 61 of the energy saving devices 6 in the adjacent channels perform heat recovery on heat in the damp and hot air, recover redundant heat, condense moisture in the damp and hot air, and collect and store the condensed moisture in the water box 9;
the recovered heat is transferred to the heat release module 62 through the heat transfer module 63 of the energy-saving device 6, and the heat release module 62 preheats cold air newly entering the air inlet channel 4;
repeating the steps until the drying is finished, wherein the spray head 14 automatically starts to spray the heat absorption module 61 of the energy-saving device 6 after the drying procedure is finished for 3-5 minutes, the gas flow sensor in the exhaust passage continuously measures the change of the air outlet flow of the clothes drying cylinder 3 passing through the energy-saving device 6, and if the flow change is large, the cleaning cover 8 is detached after the drying procedure is finished, and the energy-saving device 6 is taken out for cleaning.
Example one
As shown in fig. 1 to 7, the energy-saving clothes dryer according to the embodiment includes a cabinet 1, a door 2, a drying drum 3, an air inlet passage 4 for introducing air into the drying drum 3 and an air outlet passage 5 for discharging hot and humid air out of the drying drum 3 are provided in the cabinet 1, and further includes a detachable and washable energy saving device 6, the energy saving device 6 includes a heat absorbing module 61 provided in the air outlet passage 5 and a heat releasing module 62 provided in the air inlet passage 4, the heat absorbing module 61 absorbs heat contained in the hot and humid air discharged out of the drying drum 3, and the heat releasing module 62 preheats the air primarily entering the air inlet passage 4 by using the heat absorbed by the heat absorbing module 61.
The dryer shell 1 is also provided with a mounting hole, and the energy-saving device 6 is detachably mounted in the dryer through the mounting hole.
The exhaust channel 5 is arranged adjacent to the inlet channel 4 at least in one section, and both channels share adjacent channel walls, preferably at the intersection.
The air inlet of the air inlet channel 4 is arranged at the lower side of the clothes dryer, the air inlet of the air outlet channel 5 is arranged below the clothes drying cylinder 3 and close to the machine door, the intersection is arranged below the clothes drying cylinder 3, and preferably, the intersection is close to the air inlet of the air inlet channel 4 and the air inlet of the air outlet channel 5.
As shown in fig. 5, the exhaust passage 5 at the intersection is in front of the intake passage 4, and the common passage wall at the intersection is provided with a mounting through-hole 7. The common passage wall is a rear wall of the exhaust passage 5 and a front wall of the intake passage 4 at the intersection.
Alternatively, the intake passage 4 at the intersection is in front of the exhaust passage 5, and the common passage wall at the intersection is provided with a mounting through-hole 7. The common channel wall is the rear wall of the intake channel 4 and the front wall of the exhaust channel 5 at the intersection.
As shown in fig. 6, the economizer 6 further comprises a heat transfer module 63 and a partition plate 64, the partition plate 64 is arranged between the heat absorption module 61 and the heat release module 62, and the shape and the size of the partition plate 64 are matched with those of the mounting through hole 7, and the partition plate is matched with the mounting through hole 7 to seal the channel; the heat transfer module 63 penetrates the partition 64 and connects the heat absorbing module 61 and the heat releasing module 62.
The heat absorbing module 61 is at least one heat absorbing fin, the heat releasing module 62 is at least one heat releasing fin, and the heat transferring module 63 is at least two heat pipes for sealing the air inlet passage 4 and the air outlet passage 5.
The economizer 6 further comprises an annular sealing element which is arranged between the partition plate 64 and the wall of the channel where the mounting through hole 7 is located, and seals the two channels to prevent the air flows in the air inlet channel 4 and the air outlet channel 5 from communicating with each other.
As shown in fig. 2, the present embodiment describes an exhaust type clothes dryer, further comprising an air inlet window 11, a cleaning cover 8, and a water box 9. The air inlet window 11 is arranged at the right position of the lower side of the front machine case 1 of the clothes dryer and comprises a filter screen for filtering dust and impurities in the air. The cleaning cover 8 is arranged below the machine door 2 of the front machine shell 1 of the clothes dryer, and is convenient for users to detach. The water box 9 is arranged at the upper part of the left side of the clothes dryer and stores condensed water vapor after heat recovery.
As shown in fig. 7, the dryer described in the present embodiment further includes a heater 12, a fan assembly 10, an air intake passage 4, and an air exhaust passage 5. The fan component 10 is close to the air inlet window 11, and the heater 12 is an annular heater 12 and is arranged between the clothes drying cylinder 3 and the air inlet flange 13.
As shown in fig. 2-4 and 7, the air inlet of the air inlet channel 4 is arranged at the lower right side in front of the clothes dryer, the air inlet of the air outlet channel 5 is arranged below the clothes drying drum 3 near the machine door 2, and the intersection is arranged below the clothes drying drum 3 near the air inlet of the air inlet channel 4 and the air inlet of the air outlet channel 5.
The economizer 6 also includes an annular sealing member disposed between the partition plate 64 and the mounting through-hole 7 to seal the two passages and prevent the air flows in the intake passage 4 and the exhaust passage 5 from communicating with each other.
As shown in fig. 6, the economizer 6 further includes positioning blocks 65, and the positioning blocks 65 are disposed on the left and right sides of the heat absorption module 61/heat release module 62 of the economizer 6 to position the economizer 6. The cleaning cover 8 is fixedly mounted and then presses the positioning block 65, and the energy-saving device 6 is hermetically mounted in the mounting through hole 7.
At least two positioning pins (not shown in the figure) are also arranged on the adjacent channel walls, so that the energy-saving device 6 can be conveniently positioned and installed.
As shown in fig. 2, the mounting opening of the dryer casing is further provided with an openable and closable cleaning cover 8, and the front channel wall of the exhaust channel 5/intake channel 4 near one side of the cleaning cover 8 is provided with a positioning mounting opening, preferably, the cleaning cover 8 has a certain thickness, and the inner side wall thereof seals the positioning mounting opening. As shown in fig. 2, the washing cover 8 is provided near the door 2 in front of the dryer.
The cleaning cover 8 is provided with a sealing element along with the shape of the cleaning cover 8, and the cleaning cover 8 and the machine shell 1 are installed in a sealing mode.
As shown in fig. 2 and 4, the clothes dryer is further provided with a spray head 14 and a water box 9, the spray head 14 washes the energy-saving device 6 after the clothes drying process is finished; the water box 9 recovers water condensed in the hot and humid air. The spray head 14 is arranged in the exhaust passage 5, and the heat absorption module 61 of the energy-saving device 6 is flushed with water in the water box 9. The water after washing flows out through a water outlet at the bottom of the dryer and is pumped into the water box 9 again by a water pump (not shown) for storage. The spray head 14 automatically washes the heat absorption module 61 of the energy-saving device 6 3-5 minutes after the drying procedure of the clothes dryer is finished each time.
Further, the clothes dryer is also provided with a gas flow sensor which is arranged behind the energy-saving device 6 and used for measuring the flow of the damp and hot gas passing through the energy-saving device 6, and if the flow change is large and the minimum flow set by the system is reached, the system automatically reminds a user to detach the energy-saving device 6 for cleaning after the clothes dryer finishes working.
As shown in fig. 3, the air flow direction is shown as the arrow in the figure, after the clothes drying program is started, the clothes dryer starts to work, and the fan sucks air with lower outside temperature into the air inlet channel 4 through the air inlet window 11; then the water is heated by a heater 12 between the clothes drying cylinder 3 and the air inlet flange 13 and enters the clothes drying cylinder 3; the hot air dries the clothes in the drying cylinder 3, the moisture in the clothes is evaporated into water vapor under the action of the hot air to form damp and hot air, and the damp and hot air enters the exhaust passage 5 under the action of the fan; when the damp and hot air passes through the adjacent channels, the heat absorption modules 61 of the energy saving devices 6 in the adjacent channels recover heat of the damp and hot air, the recovered redundant heat is transferred to the heat release modules 62 through the heat transfer modules 63, the heat release modules 62 release the recovered heat to preheat cold air which newly enters the air inlet channel 4, and meanwhile, moisture in the damp and hot air is condensed and collected into the water box 9; the air after heat recovery is discharged out of the clothes dryer; 3-5 minutes after the clothes drying procedure is finished, the spray head 14 automatically washes the energy-saving device 6.
Example two
As shown in fig. 1 to 7, the energy-saving clothes dryer according to the embodiment includes a cabinet 1, a door 2, a drying drum 3, an air inlet passage 4 for introducing air into the drying drum 3 and an air outlet passage 5 for discharging hot and humid air out of the drying drum 3 are provided in the cabinet 1, and further includes a detachable and washable energy saving device 6, the energy saving device 6 includes a heat absorbing module 61 provided in the air outlet passage 5 and a heat releasing module 62 provided in the air inlet passage 4, the heat absorbing module 61 absorbs heat contained in the hot and humid air discharged out of the drying drum 3, and the heat releasing module 62 preheats the air primarily entering the air inlet passage 4 by using the heat absorbed by the heat absorbing module 61.
The dryer shell 1 is also provided with a mounting hole, and the energy-saving device 6 is detachably mounted in the dryer through the mounting hole.
Further, the exhaust passage 5 and the intake passage 4 are arranged at least one section adjacently, a first mounting through hole and a second mounting through hole which are coaxial and communicated with each other are respectively arranged on the rear passage wall of the adjacent exhaust passage 5 and the front passage wall of the intake passage 4, the rear passage wall of the exhaust passage 5 and the front passage wall of the intake passage 4 are two adjacent passage walls, and the size of the first mounting through hole is larger than that of the second mounting through hole.
The energy-saving device 6 further comprises a heat transfer module 63, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged between the heat absorption module 61 and the heat release module 62, the shape and the size of the first partition plate are matched with the first mounting through hole and are matched with the first mounting through hole to seal the exhaust channel 5, and the shape and the size of the second partition plate are matched with the second mounting through hole and are matched with the second mounting through hole to seal the air inlet channel 4; the heat transfer module 63 penetrates the first and second partitions and connects the heat absorbing module 61 and the heat releasing module 62.
Or, a first mounting through hole and a second mounting through hole which are coaxial and communicated with each other are respectively arranged on the rear channel wall of the adjacent intake channel 4 and the front channel wall of the exhaust channel 5, the rear channel wall of the intake channel 4 and the front channel wall of the exhaust channel 5 are two adjacent channel walls, and the size of the first mounting through hole is larger than that of the second mounting through hole.
The energy-saving device 6 further comprises a heat transfer module 63, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged between the heat absorption module 61 and the heat release module 62, the shape and the size of the first partition plate are matched with the first mounting through hole and matched with the first mounting through hole to seal the air inlet channel 4, and the shape and the size of the second partition plate are matched with the second mounting through hole and matched with the second mounting through hole to seal the air outlet channel 5; the heat transfer module 63 penetrates the first and second partitions and connects the heat absorbing module 61 and the heat releasing module 62.
The first partition plate and the second partition plate are heat insulation plates, so that air in the channel is prevented from overflowing to the outside of the channel, and unnecessary waste is avoided.
The energy-saving device also comprises an annular sealing element which is arranged between the partition plate and the channel walls where the first mounting through hole and the second mounting through hole are located, and the two channels are sealed.
As shown in fig. 6, the economizer 6 further includes at least two positioning blocks 65 disposed on the side of the heat absorption module 61/heat release module 62 of the economizer 6, and the at least two positioning blocks 65 are disposed opposite to each other. And at least two positioning pins are arranged on the adjacent channel walls, so that the energy-saving device 6 can be positioned and installed conveniently.
As shown in fig. 2, the mounting opening of the dryer casing is further provided with an openable and closable cleaning cover 8, and the front channel wall of the exhaust channel 5/intake channel 4 near one side of the cleaning cover 8 is provided with a positioning mounting opening, preferably, the cleaning cover 8 has a certain thickness, and the inner side wall thereof seals the positioning mounting opening.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An energy-saving clothes dryer comprises a machine shell, a machine door and a clothes drying cylinder, wherein an air inlet channel for introducing air into the clothes drying cylinder and an air outlet channel for discharging damp and hot air out of the clothes drying cylinder are arranged in the machine shell, and the energy-saving clothes dryer is characterized in that: the energy-saving device comprises a heat absorption module arranged in the exhaust channel and a heat release module arranged in the air inlet channel, wherein the heat absorption module absorbs heat contained in damp and hot air exhausted from the drying cylinder, and the heat release module preheats air entering the air inlet channel for the first time by utilizing the heat absorbed by the heat absorption module; the exhaust channel and the intake channel are arranged adjacently at least one section, and the two channels share the adjacent channel wall at the intersection; the common channel wall at the intersection is provided with a mounting through hole;
the energy-saving device also comprises a heat transfer module and a partition plate, wherein the partition plate is arranged between the heat absorption module and the heat release module, and the shape and the size of the partition plate are matched with the installation through hole and matched with the installation through hole to seal the channel; the heat transfer module penetrates through the partition plate and is connected with the heat absorption module and the heat release module.
2. The energy saving clothes dryer of claim 1, wherein: the energy-saving device is detachably arranged in the clothes dryer through the mounting port.
3. The energy saving clothes dryer of claim 1, wherein: the exhaust channel and the air inlet channel are arranged adjacently at least in one section, a first mounting through hole and a second mounting through hole which are coaxial and communicated with each other are respectively arranged on the two adjacent channel walls, and the size of the first mounting through hole is larger than that of the second mounting through hole.
4. The energy saving clothes dryer of claim 3, wherein: the energy-saving device also comprises a heat transfer module, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate are arranged between the heat absorption module and the heat release module, the shapes and the sizes of the first partition plate and the second partition plate are matched with the first mounting through hole and the second mounting through hole, and the first partition plate and the second partition plate are matched with the first mounting through hole and the second mounting through hole to seal the exhaust channel/the air inlet channel; the heat transfer module penetrates through the first partition plate and the second partition plate and is connected with the heat absorption module and the heat release module.
5. The energy saving clothes dryer of claim 4, wherein: the part of the heat transfer module between the first partition and the second partition is wrapped with heat insulation materials.
6. An energy-saving clothes dryer according to any one of claims 1 to 5, characterized in that: the energy-saving device also comprises at least two positioning blocks which are arranged on the side edge of the heat absorption module/the heat release module of the energy-saving device, and the at least two positioning blocks are arranged oppositely.
7. The energy saving clothes dryer of claim 2, wherein: the mounting opening on the dryer shell is also provided with a cleaning cover which can be opened and closed, and the front channel wall of the exhaust channel/air inlet channel close to one side of the cleaning cover is provided with a positioning mounting opening.
8. The energy saving clothes dryer of claim 7, wherein:
the cleaning cover has a certain thickness, and the inner side wall of the cleaning cover is sealed and positioned with the mounting opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710076312.4A CN108425222B (en) | 2017-02-13 | 2017-02-13 | An energy-saving clothes dryer |
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| CN201710076312.4A CN108425222B (en) | 2017-02-13 | 2017-02-13 | An energy-saving clothes dryer |
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| CN108425222B true CN108425222B (en) | 2021-09-07 |
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| CN106319908A (en) * | 2015-06-16 | 2017-01-11 | 青岛海尔智能技术研发有限公司 | Clothes dryer |
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| CN102066640A (en) * | 2008-06-18 | 2011-05-18 | 松下电器产业株式会社 | Drum-type washing and drying machine |
| EP2703551A1 (en) * | 2012-09-04 | 2014-03-05 | Whirlpool Corporation | Cooling system for a heat pump drier and heat pump drier using such cooling system |
| CN103789968A (en) * | 2012-10-29 | 2014-05-14 | 海尔集团公司 | Small washing machine power supply plate installation structure and washing machine |
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| CN108425222A (en) | 2018-08-21 |
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Effective date of registration: 20210813 Address after: Room 221, management committee of Sino German ecological park, 2877 Tuanjie Road, Huangdao District, Qingdao, Shandong 266510 Applicant after: QINGDAO HAIER WASHING ELECTRIC APPLIANCES Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, No.1 Haier Road, Laoshan District, Qingdao City, Shandong Province Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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