CN210886681U - Heat pump clothes dryer - Google Patents
Heat pump clothes dryer Download PDFInfo
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- CN210886681U CN210886681U CN201921011996.0U CN201921011996U CN210886681U CN 210886681 U CN210886681 U CN 210886681U CN 201921011996 U CN201921011996 U CN 201921011996U CN 210886681 U CN210886681 U CN 210886681U
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- evaporator
- heat pump
- auxiliary heating
- heating device
- condenser
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Abstract
The utility model discloses a heat pump clothes dryer, it belongs to the equipment technical field of drying clothes, communicate the circulation wind channel that forms and including evaporimeter, condenser and inner tube in proper order and the condenser evaporimeter and compressor communicate the refrigeration circuit that forms in proper order, still include auxiliary heating device and temperature sensor, auxiliary heating device set up in one side of evaporimeter, temperature sensor set up in the gas vent of compressor. At the initial stage of operation, the auxiliary heating device is started, and the evaporator absorbs the heat of the air and also absorbs the heat of the auxiliary heating device, so that the evaporator can quickly transfer more heat to the condenser, and the temperature rise speed in the inner cylinder can be effectively increased; the temperature of the evaporator is raised to raise the discharge temperature of the compressor, and the auxiliary heating device stops operating when the temperature reaches a set value. The auxiliary heating device only operates at the initial stage, so that the drying time is shortened, and the energy consumption is reduced.
Description
Technical Field
The utility model relates to a dry clothing equipment technical field especially relates to a heat pump clothes dryer.
Background
The existing clothes dryer is a machine for drying washed clothes or directly integrating washing and drying functions.
The heat pump system clothes dryer comprises a heat pump system and a drying system, wherein the heat pump system is characterized in that high-temperature and high-pressure refrigerant gas from a compressor enters a condenser, heat is transferred to air and then condensed into high-temperature and high-pressure liquid, the high-temperature and high-pressure liquid enters an evaporator after being throttled by an expansion valve, the heat of wet air from a cylinder is absorbed and changed into low-temperature and low-pressure gas, and the low-temperature and low-pressure gas is sucked and compressed by the compressor and is; in the drying system, wet air is cooled to below dew point temperature at an evaporator, condensed water is separated out, the moisture content is reduced, the wet air enters a condenser, the heat of a refrigerant is absorbed to raise the temperature, the relative humidity is reduced, and then the wet air is sent into a drum to take away the moisture of wet clothes to become wet air to the evaporator.
The existing heat pump clothes dryer generally has a problem that in the initial stage of operation, wet clothes need to be heated, more heat is needed, at the moment, an evaporator is at a lower evaporation temperature, the heat for carrying the heat to a condenser is less, the heating capacity is less, the heating speed of the air by the condenser is slower, and the temperature in a cylinder of the clothes dryer is slower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat pump clothes dryer to solve the slow technical problem of the interior temperature rise of operation initial stage section of thick bamboo that exists among the prior art.
As the conception, the utility model adopts the technical proposal that:
the utility model provides a heat pump clothes dryer, including evaporimeter, condenser and inner tube communicate the circulation wind channel that forms in proper order and the condenser evaporimeter and compressor communicate the refrigeration circuit that forms in proper order, still include auxiliary heating device and temperature sensor, auxiliary heating device set up in one side of evaporimeter, temperature sensor set up in the gas vent of compressor.
The auxiliary heating device is a heating wire, so that the cost is saved, and the maintenance and the replacement are convenient.
Wherein, the heating wire is spirally arranged at one side of the evaporator, so that the contact area of the heating wire and the air is increased, and more heat can be conveniently provided in a short time.
Wherein, the heating wire is around establishing the periphery of evaporimeter increases the heat exchange area between heating wire and the evaporimeter for the evaporimeter can be followed circumference and absorbed the heat comprehensively, is convenient for rapid heating up.
Wherein, the auxiliary heating device is an infrared heater or an electromagnetic heater.
Wherein, one side of evaporimeter is provided with the fan, the fan is located the air intake department of evaporimeter. The fan can accelerate the air flow around the evaporator, so that the air is sufficient, the evaporator can absorb the heat in the air conveniently, the heat at the evaporator is transferred to the condenser as soon as possible, the heat accumulation is avoided, the air flow in the circulating air duct can be promoted, and the drying efficiency is improved.
Wherein, the air intake department of evaporimeter is provided with the filter screen, is convenient for filter the dust in the outside air, prevents that the dust from getting into evaporimeter and circulation wind channel.
The lower end of the evaporator is provided with a water storage tank, the circulating air duct is provided with a drain pipe, and the drain pipe is communicated with the water storage tank.
Wherein, be provided with throttling arrangement on the refrigeration circuit, throttling arrangement is located between evaporimeter and the condenser.
Wherein, the throttling device is an expansion valve or a capillary tube.
The utility model has the advantages that:
the utility model provides a heat pump clothes dryer, at the initial stage of operation, open auxiliary heating device, the evaporimeter still absorbs auxiliary heating device's heat when absorbing the heat of air for the evaporimeter can transfer more heat to the condenser rapidly, and the condenser heats the air, and hot-air gets into the inner tube and carries out the heat exchange with wet clothing, can effectively promote the programming rate in the inner tube; meanwhile, a refrigerant circulates in the refrigerating circuit, the temperature of the evaporator rises to increase the discharge temperature of the compressor, the temperature sensor detects the temperature of the discharge port of the compressor, and the auxiliary heating device stops operating when the temperature reaches a set value. The auxiliary heating device only operates at the initial stage, so that the temperature in the inner cylinder is quickly increased, the overlong low-temperature operation time of the compressor at the starting stage is avoided, and the drying time is shortened; the on-off of the auxiliary heating device is controlled according to the detection value of the temperature sensor, so that the energy consumption is reduced.
Drawings
Fig. 1 is a schematic view of a heat pump clothes dryer provided by an embodiment of the present invention.
In the figure:
1. an inner barrel; 2. an evaporator; 3. a condenser; 4. a compressor; 5. an auxiliary heating device; 6. a temperature sensor; 7. a throttling device.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example one
Referring to fig. 1, an embodiment of the present invention provides a heat pump clothes dryer for drying wet clothes. The heat pump clothes dryer comprises an inner barrel 1, an evaporator 2, a condenser 3 and a compressor 4, wet clothes are placed in the inner barrel 1, the evaporator 2, the condenser 3 and the inner barrel 1 are sequentially communicated to form a circulating air duct, the condenser 3, the evaporator 2 and the compressor 4 are sequentially communicated to form a refrigerating loop, an auxiliary heating device 5 is arranged on one side of the evaporator 2, the evaporator 2 can absorb heat generated by the auxiliary heating device 5, and a temperature sensor 6 is arranged at an exhaust port of the compressor 4 and used for detecting exhaust temperature of the compressor 4. The arrows in fig. 1 show the direction of flow of air in the circulation duct.
At the initial stage of operation, the auxiliary heating device 5 is started, the evaporator 2 absorbs the heat of the air and also absorbs the heat of the auxiliary heating device 5, so that the evaporator 2 can rapidly transfer more heat to the condenser 3, the condenser 3 heats the air, the hot air enters the inner drum 1 to exchange heat with wet clothes, and the temperature rise speed in the inner drum 1 can be effectively increased; meanwhile, the refrigerant circulates in the refrigerating circuit, the temperature of the evaporator 2 rises to raise the discharge temperature of the compressor 4, the temperature sensor 6 detects the temperature of the discharge port of the compressor 4, and the auxiliary heating device 5 stops operating when the temperature reaches a set value. The auxiliary heating device 5 operates only at the initial stage, so that the temperature in the inner cylinder 1 is quickly raised, the low-temperature operation time is prevented from being too long at the starting stage of the compressor 4, and the drying time is shortened; the on-off of the auxiliary heating device 5 is controlled according to the detection value of the temperature sensor 6, so that the energy consumption is reduced.
A throttle device 7 is arranged on the refrigeration circuit, the throttle device 7 being located between the evaporator 2 and the condenser 3. That is, the flow process of the refrigerant is: the high-temperature high-pressure refrigerant gas from the compressor 4 enters the condenser 3, after transferring heat to air, the refrigerant gas is condensed into high-temperature high-pressure liquid, enters the evaporator 2 after being throttled by the throttling device 7, absorbs the heat of the wet air from the inner cylinder 1, becomes low-temperature low-pressure gas, is sucked and compressed by the compressor 4, and circulates in a reciprocating way.
The throttle 7 may be an expansion valve or a capillary tube. In the present embodiment, the throttling device 7 is a capillary tube.
The auxiliary heating device 5 can be a heating wire, so that the cost is saved, and the maintenance and the replacement are convenient. And may be an infrared heater or an electromagnetic heater, which is not limited herein.
In the present embodiment, the auxiliary heating device 5 is a heating wire. The heating wire is positioned so as to facilitate the absorption of heat by the evaporator 2. The heating wire can be spirally arranged at one side of the evaporator 2, or can be wound around the periphery of the evaporator 2. The heating wire is spirally arranged, so that the contact area between the heating wire and air is increased, and more heat can be provided conveniently in a short time. The heating wire is around establishing in the periphery of evaporimeter 2, and the heat exchange area between increase heater strip and the evaporimeter 2 for evaporimeter 2 can be followed circumference and absorbed the heat comprehensively, is convenient for rapid heating up.
The lower end of the evaporator 2 is provided with a water storage tank, the humid air is cooled to below the dew point temperature at the evaporator 2, condensed water is separated out, and the condensed water flows into the water storage tank. Specifically, a drain pipe is arranged on the circulating air duct and communicated with the water storage tank.
The auxiliary heating device 5 is turned on at the initial stage of operation, and when the discharge temperature of the compressor 4 reaches a set value, the auxiliary heating device 5 is turned off. If necessary during operation, for example when the ambient temperature is low, the auxiliary heating device 5 can be switched on again.
Example two
For the sake of simplicity, only the differences between the second embodiment and the first embodiment will be described. The difference is that one side of the evaporator 2 is provided with a fan which is positioned at the air inlet of the evaporator 2. The fan can accelerate the air flow around the evaporator 2, so that the air is sufficient, the evaporator 2 is convenient to absorb the heat in the air, the heat at the position of the evaporator 2 is also promoted to be transferred to the condenser 3 as soon as possible, the heat accumulation is avoided, the air flow in the circulating air duct can be promoted, and the drying efficiency is improved.
The air inlet of the evaporator 2 is provided with a filter screen, which is convenient for filtering dust in the outside air and preventing the dust from entering the evaporator 2 and the circulating air duct.
The fan and the auxiliary heating device 5 are turned on at the initial stage of operation, and when the exhaust temperature of the compressor 4 reaches a set value, the auxiliary heating device 5 is turned off, and at this time, the fan may be turned off or turned on continuously as needed, which is not limited herein.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a heat pump clothes dryer, including evaporimeter (2), condenser (3) and inner tube (1) communicate the circulation wind channel that forms in proper order and condenser (3) evaporimeter (2) and compressor (4) communicate the refrigeration return circuit that forms in proper order, its characterized in that still includes auxiliary heating device (5) and temperature sensor (6), auxiliary heating device (5) set up in one side of evaporimeter (2), temperature sensor (6) set up in the gas vent of compressor (4).
2. Heat pump laundry dryer according to claim 1, characterized in that the auxiliary heating means (5) are heating wires.
3. The heat pump clothes dryer according to claim 2, wherein the heating wire is spirally disposed at one side of the evaporator (2).
4. The heat pump clothes dryer according to claim 2, wherein the heating wire is wound around an outer circumference of the evaporator (2).
5. Heat pump laundry dryer according to claim 1, characterized in that the auxiliary heating means (5) is an infrared heater or an electromagnetic heater.
6. The heat pump clothes dryer according to claim 1, characterized in that a fan is provided at one side of the evaporator (2), the fan being located at an air inlet of the evaporator (2).
7. The heat pump clothes dryer according to claim 6, characterized in that a filter screen is provided at an air inlet of the evaporator (2).
8. The heat pump clothes dryer according to claim 1, wherein a water storage tank is provided at a lower end of the evaporator (2), and a drain pipe is provided on the circulation duct, the drain pipe being communicated with the water storage tank.
9. Heat pump laundry dryer according to claim 1, characterized in that a throttling device (7) is provided on the refrigeration circuit, the throttling device (7) being located between the evaporator (2) and the condenser (3).
10. The heat pump laundry dryer according to claim 9, characterized in that the throttling means (7) is an expansion valve or a capillary tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011996.0U CN210886681U (en) | 2019-07-01 | 2019-07-01 | Heat pump clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011996.0U CN210886681U (en) | 2019-07-01 | 2019-07-01 | Heat pump clothes dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210886681U true CN210886681U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921011996.0U Active CN210886681U (en) | 2019-07-01 | 2019-07-01 | Heat pump clothes dryer |
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| Country | Link |
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| CN (1) | CN210886681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882128A (en) * | 2020-07-02 | 2022-01-04 | 青岛海尔滚筒洗衣机有限公司 | Heat pump clothes dryer and control method thereof |
-
2019
- 2019-07-01 CN CN201921011996.0U patent/CN210886681U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882128A (en) * | 2020-07-02 | 2022-01-04 | 青岛海尔滚筒洗衣机有限公司 | Heat pump clothes dryer and control method thereof |
| CN113882128B (en) * | 2020-07-02 | 2023-09-29 | 重庆海尔滚筒洗衣机有限公司 | Heat pump clothes dryer and control method thereof |
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