CN203923743U - Under a kind of low temperature, increase the heat pump clothes dryer of heat energy - Google Patents
Under a kind of low temperature, increase the heat pump clothes dryer of heat energy Download PDFInfo
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- CN203923743U CN203923743U CN201420240363.8U CN201420240363U CN203923743U CN 203923743 U CN203923743 U CN 203923743U CN 201420240363 U CN201420240363 U CN 201420240363U CN 203923743 U CN203923743 U CN 203923743U
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Abstract
The utility model relates to the heat pump clothes dryer that increases heat energy under a kind of low temperature, and it comprises, urceolus and drying air path, and the two ends of drying air path are connected to form respectively wind path circulation canal with urceolus; Described dryer is also provided with heat pump, and a part for described heat pump is located in drying air path, and another part is located at drying air path outside; The heat pump of drying air path outside is provided with the assisted heating device that coolant media mobile in heat pump is heated.By heater being set on the heat pump in drying air path outside, the coolant media of flowing through is heated and heated, coolant media in evaporimeter is evaporated completely, solved the problem that under low temperature environment, coolant media activity is lower, heat pump system efficiency is low.More particularly, heater is located to drying air path outside, has avoided heater to take drying air path inner space.The utility model is simple in structure, and effect is remarkable, suitable promoting the use of.
Description
Technical field
The utility model relates to a kind of clothes drying device of field of household appliances, relates in particular to the heat pump clothes dryer that increases heat energy under a kind of low temperature.
Background technology
Drum type washing drying integral machine or the dryer of existing employing heat pump drying mode, under low temperature environment, under 0 DEG C of environment, because the water temperature of rinsing clothes is also only a little more than 0 DEG C, cause dryer to dry the incipient stage, approach 0 DEG C from the air themperature blowing out in urceolus.In this case, the saturation temperature of coolant media in heat pump under saturation pressure, far below 0 DEG C, causes the compressor of heat pump with underload, and little input power is carried out work, and cause the temperature rise in urceolus also extremely slow, make the drying efficiency of clothing low.And if coolant media in the heat pump evaporating temperature in evaporimeter remains in the low temperature environment below 0 DEG C for a long time, can cause evaporimeter to contact with the humid air blowing out in urceolus, cause the evaporator fin surface frost that can condense in a large number, evaporimeter effective area reduces, and can block the circulation of circulation wind path apoplexy, the cold-producing medium of compressor assembly can not be vaporized completely in evaporimeter, the cold-producing medium that liquid condition occurs enters compressor along compressor suction duct, causes compressor fault.
For addressing the above problem, some improvement projects have been proposed, as:
As the application number a kind of heat pump that has auxiliary thermal source of Chinese patent that is CN201120558843, comprise refrigeration compressor, evaporimeter, condenser, throttling arrangement, also comprise assisted heating device, assisted heating device is the assisted heating device being arranged on the air channel of condensator outlet rear end.In the time that environment temperature is lower, heat pump efficiency is lower, and heating-up temperature can be lower, at this time, can open assisted heating device, to shorten the drying time.Thereby, make to increase assisted heating device after condenser, continue to be heated again by heater through the heated air of condenser, to improve the temperature of air-flow in drying air path, make evaporimeter obtain higher environment temperature, to improve the activity of coolant media in heat pump, reach the object that improves drying efficiency.But, adopt in this way, need in oven dry air channel, increase heater and some structural members, increase to a certain extent the windage of air-flow in drying air path, easily affect the drying effect under normal temperature.
In view of this, special the utility model that proposes.
Utility model content
The purpose of this utility model is to provide a kind of heat pump clothes dryer, increases coolant media heat energy in heat pump, increase flowing activity to realize under low temperature environment, reaches the object that improves drying efficiency.
For realizing utility model object, adopt following technical scheme:
Under low temperature, increase a heat pump clothes dryer for heat energy, it comprises, urceolus and drying air path, and the two ends of drying air path are connected to form respectively wind path circulation canal with urceolus; Described dryer is also provided with heat pump, and a part for described heat pump is located in drying air path, and another part is located at drying air path outside; The heat pump of drying air path outside is provided with the assisted heating device that coolant media mobile in heat pump is heated.
Further, described heat pump at least comprises four parts, compressor, condenser, throttling arrangement and evaporimeter; Above-mentioned four parts are connected to end successively by the road and form for the mobile circulation canal of coolant media; Described compressor and throttling arrangement are located at drying air path outside, and described condenser and evaporimeter are located at drying air path inside.
Further, described assisted heating device is located on the pipeline outer wall that connects the each parts of heat pump, and convection current coolant media by the road carries out auxiliary heating.
Further, described assisted heating device is located on the connecting line outer wall between compressor and evaporimeter or condenser.
Further, described assisted heating device is located on the connecting line outer wall between throttling arrangement and evaporimeter or condenser.
Further, described assisted heating device is made up of at least one section of additional heated filament, and each section of heater strip is fastened respectively on pipeline outer wall.
Further, described assisted heating device is located on the each parts shell that forms heat pump.
Further, described assisted heating device is arranged on the shell of compressor or throttling arrangement.
Further, it is banded that described assisted heating device is, and arranges with the shell shape bending of compressor or throttling arrangement; Described banded heater inside is provided with multi-turn heater strip, respectively encloses heater strip and is in parallel or is connected in series.
Further, described assisted heating device is located at heat pump for the mobile circulation canal inside of coolant media.
Adopt technique scheme, the utility model is compared with the advantage of prior art: by heater being set on the heat pump in drying air path outside, the coolant media of flowing through is heated and heated, coolant media in evaporimeter is evaporated completely, reach the object of supplemental heat pumping system heat under low temperature, to solve the problem that under low temperature environment, coolant media activity is lower, heat pump system efficiency is low.More particularly, heater is located to drying air path outside, has avoided heater to take the inside narrow space of drying air path, reach the object that reduces the air-flow windage in drying air path.The utility model is simple in structure, and effect is remarkable, suitable promoting the use of.
Brief description of the drawings
The structural representation of dryer in Fig. 1 the utility model;
The heat pump structural representation of an embodiment in Fig. 2 the utility model;
The heat pump structural representation of another embodiment in Fig. 3 the utility model;
The heat pump structural representation of another embodiment in Fig. 4 the utility model;
Dryer substructure schematic diagram in Fig. 5 the utility model.
Main element explanation: 1-casing, 2-urceolus, 3-inner core, 4-drying air path, 5-heat pump, 6-assisted heating device, 7-screen pack, 8-blower fan, 9-gate, 51-compressor, 52-evaporimeter, 53-condenser, 54-throttling arrangement.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in more detail.
As shown in Figure 1, a kind of heat pump dry cleaner, it comprises: dry cleaner casing 1, be located at the urceolus 2 of casing 1 inside, urceolus 2 internal sleeve are equipped with the inner core 3 of placing for clothing; Described inner core 3 is provided with the dewatering hole of multiple connection urceolus; Described casing 1 is provided with gate 9 to be opened/closed, for user, clothing is put into inner core 3 or is taken out clothing from inner core 3.In described dry cleaner casing 1, be also provided with drying air path 4, one end of described drying air path 4 is that air outlet is connected with the lower end of urceolus 3, and the other end is that air inlet is connected with the upper end of urceolus 3; In described drying air path 4, be provided with blower fan 8, to form from urceolus 2 lower ends to the circulating current of blower fan 8 to urceolus 2 upper ends to inner core 3 under fan action.
On described dry cleaner, be also provided with heat pump 5, a part for described heat pump 5 is located in drying air path 4, a part is located at drying air path 4 outsides, and by the road two parts is connected, to form for coolant media flow circuit passage.
Described heat pump 5 at least comprises, head and the tail connect successively by the road condenser 53, throttling arrangement 54, evaporimeter 52 and compressor 51.Described condenser 53 and evaporimeter 52 are all located in drying air path, and condenser 53 relative evaporation devices 52 arrange near the air inlet end of drying air path 4; Described compressor 51 and throttling arrangement 54 are all located at the outside of drying air path 4.The port of export of described compressor 51 is to flow out one end of compressor for coolant media, and the wore long pipeline of drying air path 4 sidewalls of this port of export is connected with condenser 53; The entrance point of described compressor 51 is to flow into one end of compressor for coolant media, and the wore long pipeline of drying air path 4 sidewalls of this entrance point is connected with evaporimeter 52.Thereby, make the coolant media in heat pump, under compressor effect, along circulating to condenser 53 to throttling arrangement 54 to evaporimeter 52 to the direction of the entrance point of compressor 51 from the port of export of compressor 51, to realize the first condensed water outlet of the air-flow of the heat pump of the flowing through object of heat temperature raising again, reach the object of inner core underpants thing being carried out to heat drying.
Described heat pump 5 is provided with assisted heating device 6, so that the coolant media of flowing through is heated, to improve coolant media temperature, to increase its flowing activity, prevent that environment temperature is lower, heat pump initial start stage, the mobile not generation of smooth situation of coolant media.Described heater 6 is located at drying air path 5 outsides, avoiding blocking drying air path, reduce air-flow velocity, cause the generation of the low situation of drying efficiency.
Embodiment mono-
As shown in Figure 4, in the present embodiment, described assisted heating device 6 is located on the shell of compressor 51, and convection current is carried out auxiliary heating through the coolant media of compressor 51.
In the present embodiment, described assisted heating device 6 is made up of at least one circle heater strip that is wound around compressor 51 shell settings.Preferably, as shown in Figure 5, described assisted heating device 6 by compressor 51 shells, the coated heating tape arranging forms, in described heating tape, be provided with multi-turn heater strip, the connection in series or in parallel with each other successively of each circle heater strip, the assisted heating device 6 heating to be configured to the coolant media of the compressor 51 of flowing through.
Embodiment bis-
In the present embodiment, described assisted heating device 6 is located at least one section of pipeline drying air path 4 outsides, that connect heat pump 5 each assemblies, so that the coolant media of this correspondence section pipeline of flowing through is carried out to auxiliary heating.
As shown in Figure 2, in the present embodiment, described assisted heating device 6 is located on pipeline outer wall drying air path 4 outsides, between evaporimeter 52 and compressor 51, and convection current coolant media by the road carries out auxiliary heating.This assisted heating device 6 is made up of at least one section of heater strip, and this section of heater strip is wrapped on one section of pipeline outer wall between evaporimeter 52 and compressor 51, drying air path 4 outsides.One section of described heater strip is made up of at least one circle heater strip.
As shown in Figure 3, in the present embodiment, described assisted heating device 6 is located on pipeline outer wall drying air path 4 outsides, between condenser 53 and compressor 51, and convection current coolant media by the road carries out auxiliary heating.
All right, described assisted heating device is located on pipeline outer wall drying air path outside, between condenser or evaporimeter and throttling arrangement (not indicating in the accompanying drawings).
Embodiment tri-
In the present embodiment, described assisted heating device forms (not indicating in the accompanying drawings) by being located at heat pump at least one section of heater strip in the mobile passage of coolant media or heating tube.
Embodiment tetra-
In the present embodiment, described assisted heating device and the control circuit board of dry cleaner are electrically connected, thereby by the working condition of this assisted heating device of control circuit board control.
In the present embodiment, when dryer is worked under low temperature environment, the temperature of starting stage clothing is lower, the evaporating pressure of condenser in the time of heat exchange is also lower, cause that coolant media temperature in heat pump is lower, mobility is poor, what cause also bending down than normal temperature at the systemic heat of condenser is many, and compressor load is also little.Now, open assisted heating device the coolant media of flowing through heated, with improve coolant media temperature, increase its flowing activity, the heat absorption efficiency of evaporimeter is significantly improved, reach the object that improves dryer drying efficiency.
Embodiment in above-described embodiment can further combine or replace; and embodiment is described preferred embodiment of the present utility model; not design of the present utility model and scope are limited; do not departing under the prerequisite of the utility model design philosophy; the various changes and modifications that in this area, professional and technical personnel makes the technical solution of the utility model, all belong to protection domain of the present utility model.
Claims (10)
1. under low temperature, increase a heat pump clothes dryer for heat energy, it comprises, urceolus (2) and drying air path (4), and the two ends of drying air path (4) are connected to form wind path circulation canal with urceolus (2) respectively; Described dryer is also provided with heat pump (5), and a part for described heat pump (5) is located in drying air path (4), and another part is located at drying air path (4) outside; It is characterized in that: the outside heat pump (5) of drying air path (4) is provided with the assisted heating device (6) that coolant media mobile in heat pump is heated.
2. under a kind of low temperature according to claim 1, increase the heat pump clothes dryer of heat energy, it is characterized in that: described heat pump (5) at least comprises four parts compressor (51), condenser (53), throttling arrangement (54) and evaporimeter (52);
Above-mentioned four parts are connected to end successively by the road and form for the mobile circulation canal of coolant media;
Described compressor (51) and throttling arrangement (54) are located at drying air path (4) outside, and described condenser (53) and evaporimeter (52) are located at drying air path (4) inside.
3. under a kind of low temperature according to claim 1 and 2, increase the heat pump clothes dryer of heat energy, it is characterized in that: described assisted heating device (6) is located on the pipeline outer wall that connects the each parts of heat pump, and convection current coolant media by the road carries out auxiliary heating.
4. the heat pump clothes dryer that increases heat energy under a kind of low temperature according to claim 3, is characterized in that: described assisted heating device (6) is located on the connecting line outer wall between compressor (51) and evaporimeter (52) or condenser (53).
5. the heat pump clothes dryer that increases heat energy under a kind of low temperature according to claim 3, is characterized in that: described assisted heating device (6) is located on the connecting line outer wall between throttling arrangement (54) and evaporimeter (52) or condenser (53).
6. according to the heat pump clothes dryer that increases heat energy under a kind of low temperature described in claim 4 or 5, it is characterized in that: described assisted heating device (6) is made up of at least one section of additional heated filament, each section of heater strip is fastened respectively on pipeline outer wall.
7. the heat pump clothes dryer that increases heat energy under a kind of low temperature according to claim 1 and 2, is characterized in that: described assisted heating device (6) is located on the each parts shell that forms heat pump (5).
8. the heat pump clothes dryer that increases heat energy under a kind of low temperature according to claim 7, is characterized in that: described assisted heating device (6) is arranged on the shell of compressor (51) or throttling arrangement (54).
9. under a kind of low temperature according to claim 8, increase the heat pump clothes dryer of heat energy, it is characterized in that: described assisted heating device (6) is banded, arrange with the shell shape bending of compressor (51) or throttling arrangement (54);
Described banded heater inside is provided with multi-turn heater strip, respectively encloses heater strip and is in parallel or is connected in series.
10. the heat pump clothes dryer that increases heat energy under a kind of low temperature according to claim 1 and 2, is characterized in that: described assisted heating device (6) is located at heat pump for the mobile circulation canal inside of coolant media.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240363.8U CN203923743U (en) | 2014-05-12 | 2014-05-12 | Under a kind of low temperature, increase the heat pump clothes dryer of heat energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420240363.8U CN203923743U (en) | 2014-05-12 | 2014-05-12 | Under a kind of low temperature, increase the heat pump clothes dryer of heat energy |
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| CN203923743U true CN203923743U (en) | 2014-11-05 |
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| CN201420240363.8U Active CN203923743U (en) | 2014-05-12 | 2014-05-12 | Under a kind of low temperature, increase the heat pump clothes dryer of heat energy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676856A (en) * | 2015-11-06 | 2017-05-17 | 无锡小天鹅股份有限公司 | Clothes dryer |
| EP3533921A1 (en) * | 2018-03-02 | 2019-09-04 | BSH Hausgeräte GmbH | Household appliance comprising heater and heat pump |
| EP3640393A1 (en) * | 2018-10-18 | 2020-04-22 | BSH Hausgeräte GmbH | Heating element for the compressor of a heat pump arrangement |
-
2014
- 2014-05-12 CN CN201420240363.8U patent/CN203923743U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676856A (en) * | 2015-11-06 | 2017-05-17 | 无锡小天鹅股份有限公司 | Clothes dryer |
| CN106676856B (en) * | 2015-11-06 | 2021-03-19 | 无锡小天鹅电器有限公司 | Clothes dryer |
| EP3533921A1 (en) * | 2018-03-02 | 2019-09-04 | BSH Hausgeräte GmbH | Household appliance comprising heater and heat pump |
| CN110219153A (en) * | 2018-03-02 | 2019-09-10 | Bsh家用电器有限公司 | Household appliance including heater and heat pump |
| EP3640393A1 (en) * | 2018-10-18 | 2020-04-22 | BSH Hausgeräte GmbH | Heating element for the compressor of a heat pump arrangement |
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