CN217203276U - Heat pump clothes dryer with auxiliary electric heating function - Google Patents
Heat pump clothes dryer with auxiliary electric heating function Download PDFInfo
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- CN217203276U CN217203276U CN202122458117.2U CN202122458117U CN217203276U CN 217203276 U CN217203276 U CN 217203276U CN 202122458117 U CN202122458117 U CN 202122458117U CN 217203276 U CN217203276 U CN 217203276U
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- clothes dryer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The utility model discloses a heat pump clothes dryer with auxiliary electric heating, its optimization is on traditional heat pump clothes dryer's basis still set up auxiliary electric heater in the dry clothing runner, auxiliary electric heater electric connection control auxiliary electric heater open the electrical system who stops. Therefore, through the structural improvement of the clothes dryer, the air temperature of an air flow channel of the clothes dryer can be quickly increased under the condition that the clothes dryer is just started or the hot air temperature is insufficient, the water evaporation of clothes is accelerated, the clothes drying time is reduced by 10% -50%, the basic energy consumption is reduced, the total energy consumption is reduced by 5% -20%, the improvement of the clothes drying efficiency is brought, and the energy conservation is realized.
Description
Technical Field
The utility model relates to a dryer field, concretely relates to heat pump dryer with auxiliary electric heating.
Background
In the field of clothes dryers, heat pump clothes dryers are increasingly used due to their energy saving and low temperature drying characteristics, as shown in fig. 1, an existing heat pump clothes dryer includes: the clothes dryer comprises a dryer box body, wherein a heat pump system 14 is arranged at the bottom in the dryer box body, a drying roller 1 is arranged in the middle of the dryer box body, the drying roller is driven by a motor 9 fixed in the dryer box body through belt transmission, the motor is also in output connection with a circulating fan 10, and an electric control system 13 is also arranged in the dryer box body and is electrically connected with and controls the power utilization components; the heat pump system includes: a compressor 7, a throttle valve 6, an evaporator 3 and a condenser 5; driven by a circulating fan, air forms a pressurized dry hot air flow channel 11 and enters a drying roller, wet hot air with higher moisture content is heated in clothes in the roller to form a wet hot air flow channel 2, then the moisture is cooled by an evaporator 3 to form liquid water to be discharged, the residual air forms a dry cold air flow channel 4, enters a condenser for heating and then enters a dry hot air flow channel, the air flow channel is conveyed to an inlet of the circulating fan, and thus the whole clothes drying flow channel is formed; the above structure is that the drying function of clothes is realized by the combination of the low temperature dehumidification of the evaporator in the refrigeration system and the heat pump heating process of the condenser and the roller of the clothes dryer, the air circulation and the refrigeration circulation of the heat pump clothes dryer are two closed cycles, ideally, no heat dissipation is carried out to the outside, the temperature of the clothes is realized by converting the input electric energy of the system into heat, so that the clothes dryer has the advantage of energy saving in various types of clothes dryers, and the defects exist: when the ambient temperature is lower, the clothes dehumidifying process time is long, the temperature in the roller cannot be effectively fluffed, and the clothes drying degree is reduced, so that the energy consumption of the heat pump clothes dryer is increased, the clothes drying time of the same-quality wet clothes is longer than that of a non-heat pump clothes dryer, and the user feels that the clothes are dried slowly and the efficiency is low.
Disclosure of Invention
The utility model aims at adopting a combination scheme, overcoming the above-mentioned problem that prior art scheme exists, and the scheme is simple ingenious, does not influence current heat pump clothes dryer's structure promptly, can reduce heat pump clothes dryer's dry clothing time again and promote its efficiency.
A heat pump clothes dryer with auxiliary electric heating comprises: the clothes dryer comprises a box body of the clothes dryer, wherein a heat pump system is arranged at the bottom in the box body, a drying roller is arranged in the middle of the box body, the drying roller is driven by a motor belt fixed in the box body in a transmission manner, the motor is also output and connected with a circulating fan, and an electric control system is also arranged in the box body and is electrically connected with and controls the power utilization part; the heat pump system includes: the system comprises a compressor, a throttle valve, an evaporator and a condenser; under the drive of a circulating fan, air forms a pressurized dry hot air flow channel and enters a drying roller, wet hot air with higher moisture content is heated by clothes in the roller to form a wet hot air flow channel, then the wet hot air flow channel is cooled by an evaporator to form liquid water to be discharged, the residual air forms a dry cold air flow channel, enters a condenser to be heated and then enters a dry hot air flow channel to be conveyed to an inlet of the circulating fan, and thus the whole clothes drying flow channel is formed; the method is characterized in that: an auxiliary electric heater is further arranged in the clothes drying flow passage and is electrically connected with an electric control system for controlling the starting and stopping of the auxiliary electric heater.
Further, the auxiliary electric heater is arranged at the specific position in the clothes drying flow passage: is positioned in the air inlet direction or the air outlet direction of the condenser of the heat pump system.
Furthermore, the auxiliary electric heater is arranged in a dry cold air flow passage in the clothes drying flow passage, namely a limited space between the evaporator and the condenser, so that the existing structure can be fully utilized for transformation, unnecessary cost such as die modification is avoided, and the whole cost investment after technical modification is reduced.
The utility model has the advantages that: the auxiliary electric heater is started when needed, so that the air temperature of an air flow passage of the clothes dryer can be quickly increased, the evaporation of moisture of clothes is accelerated, the clothes drying time is reduced by 10% -50%, the basic energy consumption is reduced, the total energy consumption is reduced by 5% -20%, the improvement of the clothes drying efficiency is brought, and the energy conservation is realized.
Preferably, the auxiliary heater can adopt a fin type or flat plate type PTC heater, and the power of the heater is selected to be 100-300 watts. Certainly, the heater is not limited to the PTC heater, and other electrically heated heaters also belong to the protection scheme of the present invention.
Preferably, the auxiliary heater may be integrated with the condenser.
Preferably, the auxiliary heater can be replaced by the heat generated by the compressor itself.
Preferably, the auxiliary heater is judged to start and stop through software of an electronic control system.
Certainly, the number of the auxiliary electric heaters can be more than 1, and the auxiliary electric heaters are respectively arranged at different positions of the clothes drying flow passage, so that the auxiliary electric heaters are preferably individually or completely started under the control of the electric control system to adapt to different clothes drying conditions; in addition, supplementary electric heater can also set up in parallelly connected dry clothing new runner, also belongs to the utility model discloses a in the protection scheme.
Through the structural modification of the clothes dryer, the air temperature of an air flow channel of the clothes dryer can be quickly increased under the condition that the clothes dryer is just started or the hot air temperature is insufficient, the water evaporation of clothes is accelerated, the clothes drying time is reduced by 10% -50%, the basic energy consumption is reduced, the total energy consumption is reduced by 5% -20%, the improvement of the clothes drying efficiency is brought, and the energy conservation is realized.
Drawings
Fig. 1 is a schematic view of a flow passage structure of a conventional heat pump clothes dryer;
fig. 2 is a schematic view of a flow path structure of the dryer of the embodiment 1;
fig. 3 is a schematic view of a flow path structure of the dryer of the embodiment 2.
Detailed Description
Example 1
As shown in fig. 2, the clothes dryer with a hot air internal circulation exchange structure described in this embodiment 1 is based on the structure of the existing heat pump clothes dryer shown in fig. 1, an auxiliary electric heater 12 with a PTC heater structure is further disposed in the clothes drying flow channel, the power of the auxiliary electric heater is 200 w, and the auxiliary electric heater is electrically connected to an electric control system for controlling the start and stop of the auxiliary electric heater. The auxiliary electric heater is arranged in a dry cold air flow channel in the clothes drying flow channel, namely a limited space between the evaporator and the condenser, so that the existing structure can be fully utilized for transformation, unnecessary cost such as die modification is avoided, and the overall cost investment after technical modification is reduced. Of course, the auxiliary electric heater 12 can be installed in other air flow passages of the clothes dryer, and this embodiment is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way.
Example 2
As shown in fig. 3, the dryer with the internal circulation exchange structure of hot air described in this embodiment 2 is based on the structure of the conventional heat pump dryer shown in fig. 1, and a compressor is disposed in the drying flow channel as the auxiliary electric heater 12, and the compressor is disposed between the evaporator and the condenser, i.e. in the cold air flow channel in the drying flow channel. So as long as reasonable adjustment overall arrangement need not add other heating device and can realize the effect of the utility model.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.
Claims (2)
1. A heat pump clothes dryer with auxiliary electric heating, comprising: the clothes dryer comprises a box body of the clothes dryer, wherein a heat pump system is arranged at the bottom in the box body, a drying roller is arranged in the middle of the box body, the drying roller is driven by a motor belt fixed in the box body in a transmission manner, the motor is also output and connected with a circulating fan, and an electric control system is also arranged in the box body and is electrically connected with and controls the power utilization part; the heat pump system includes: the system comprises a compressor, a throttle valve, an evaporator and a condenser; driven by a circulating fan, air forms a pressurized dry hot air flow channel and enters a drying drum, wet hot air with higher moisture content is heated in clothes in the drum to form a wet hot air flow channel, then the wet hot air flow channel is cooled by an evaporator to form liquid water to be discharged, the rest air forms a dry cold air flow channel, enters a condenser to be heated, enters a dry hot air flow channel, enters an air flow channel of the dry hot air flow channel and is conveyed to an inlet of the circulating fan, and the whole clothes drying flow channel is formed; the method is characterized in that: an auxiliary electric heater is further arranged in the clothes drying flow passage, the auxiliary electric heater is electrically connected with an electric control system for controlling the starting and stopping of the auxiliary electric heater, and the auxiliary heater is a compressor.
2. The heat pump clothes dryer with auxiliary electric heating of claim 1, wherein the auxiliary heater is started or stopped by software of an electric control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122458117.2U CN217203276U (en) | 2021-10-12 | 2021-10-12 | Heat pump clothes dryer with auxiliary electric heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122458117.2U CN217203276U (en) | 2021-10-12 | 2021-10-12 | Heat pump clothes dryer with auxiliary electric heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217203276U true CN217203276U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122458117.2U Active CN217203276U (en) | 2021-10-12 | 2021-10-12 | Heat pump clothes dryer with auxiliary electric heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217203276U (en) |
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2021
- 2021-10-12 CN CN202122458117.2U patent/CN217203276U/en active Active
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