CN219347229U - Opening and closing integrated dryer with defrosting function - Google Patents
Opening and closing integrated dryer with defrosting function Download PDFInfo
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- CN219347229U CN219347229U CN202320207986.4U CN202320207986U CN219347229U CN 219347229 U CN219347229 U CN 219347229U CN 202320207986 U CN202320207986 U CN 202320207986U CN 219347229 U CN219347229 U CN 219347229U
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- heat exchanger
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- opening
- pipeline
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- 238000010257 thawing Methods 0.000 title claims abstract description 29
- 238000001704 evaporation Methods 0.000 claims description 18
- 230000008020 evaporation Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 19
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Images
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Defrosting Systems (AREA)
Abstract
The utility model discloses an opening and closing integrated dryer with defrosting function, which relates to the technical field of dryers and comprises: the system comprises a compressor, a four-way valve, a first heat exchanger, a second heat exchanger and a third heat exchanger; the compressor is communicated with the first heat exchanger through a pipeline, the first heat exchanger is communicated with the first valve port of the four-way valve through a pipeline, the second valve port of the four-way valve is communicated with the second heat exchanger through a pipeline, the second heat exchanger is communicated with the third heat exchanger through a pipeline, the third heat exchanger is communicated with the third valve port of the four-way valve through a pipeline, and the fourth valve port of the four-way valve is communicated with the compressor through a pipeline. The utility model provides an opening and closing integrated dryer with a defrosting function, which is used for solving the technical problems that the temperature of a drying oven is reduced when the existing dryer is defrosted, the drying time is prolonged, and the drying efficiency is low.
Description
Technical Field
The utility model relates to the technical field of dryers, in particular to a dryer with a defrosting function.
Background
At present, when the existing dryer is used for normally drying, a condenser positioned in the oven releases heat to dry the interior of the oven, an evaporator positioned outside the oven absorbs heat in air to exchange heat, liquid water can be condensed after vapor in the air reaches a dew point temperature, and frost can be condensed and attached to the evaporator when the temperature of the liquid water is lower than 0 ℃, so that the evaporator is influenced to absorb the heat in the air, and therefore defrosting is needed.
When the dryer is defrosted, the condenser in the oven is converted into the evaporator to absorb heat, and the evaporator outside the oven is converted into the condenser to absorb heat from the oven to defrost, but the temperature of the oven is greatly reduced by the mode, so that the drying time is prolonged, and the drying efficiency is lower.
Disclosure of Invention
The embodiment of the utility model discloses an opening and closing integrated dryer with a defrosting function, which is used for solving the technical problems that the temperature of a drying oven is reduced when the existing dryer is defrosted, so that the drying time is prolonged, and the drying efficiency is lower.
The embodiment of the utility model provides an opening and closing integrated dryer with defrosting function, which comprises: the system comprises a compressor, a four-way valve, a first heat exchanger, a second heat exchanger and a third heat exchanger; the compressor is communicated with the first heat exchanger through a pipeline, the first heat exchanger is communicated with the first valve port of the four-way valve through a pipeline, the second valve port of the four-way valve is communicated with the second heat exchanger through a pipeline, the second heat exchanger is communicated with the third heat exchanger through a pipeline, the third heat exchanger is communicated with the third valve port of the four-way valve through a pipeline, and the fourth valve port of the four-way valve is communicated with the compressor through a pipeline.
Preferably, the device also comprises a circulating fan and an evaporating fan;
the circulating fan is arranged at the air inlets of the first heat exchanger and the second heat exchanger;
the evaporation fan is arranged at the air port of the third heat exchanger.
Preferably, the device further comprises an electronic speed regulator, wherein the electronic speed regulator is connected with the circulating fan and the evaporating fan.
Preferably, the method further comprises: a power supply controller;
the power supply controller is connected with the compressor, the first heat exchanger, the second heat exchanger, the third heat exchanger, the circulating fan, the evaporating fan, the electronic speed regulator and the four-way valve.
Preferably, a temperature measuring device is arranged on the third heat exchanger, and the temperature measuring device is connected with the power supply controller.
Preferably, the temperature measuring device is a temperature sensing probe or a temperature sensor.
Preferably, a flow restriction is provided in the conduit between the second heat exchanger and the third heat exchanger.
Preferably, the throttling device is a thermal expansion valve or an electronic expansion valve.
Preferably, the pipe is a copper pipe.
Preferably, the first heat exchanger, the second heat exchanger and the third heat exchanger are all coil heat exchangers.
The opening and closing integrated dryer with defrosting function provided by the utility model has the following advantages:
comprising the following steps: the system comprises a compressor, a four-way valve, a first heat exchanger, a second heat exchanger and a third heat exchanger; the compressor is communicated with the first heat exchanger through a pipeline, the first heat exchanger is communicated with a first valve port of the four-way valve through a pipeline, a second valve port of the four-way valve is communicated with a second heat exchanger through a pipeline, the second heat exchanger is communicated with the third heat exchanger through a pipeline, the third heat exchanger is communicated with a third valve port of the four-way valve through a pipeline, and a fourth valve port of the four-way valve is communicated with the compressor through a pipeline;
in combination with the structure, when the drying is performed normally, an open loop mode is opened, the compressor compresses low-temperature low-pressure refrigerant into high-temperature high-pressure gas refrigerant, the first heat exchanger is a condenser, gas passes through the first heat exchanger to obtain a medium-temperature high-pressure gas-liquid mixture, the gas is heated by the first heat exchanger to dry the inside of the oven, the gas-liquid mixture enters the first valve port of the four-way valve and then enters the second heat exchanger from the communicated second valve port, the second heat exchanger is the condenser, liquid refrigerant can be obtained, the liquid refrigerant then enters the third heat exchanger, the third heat exchanger is an evaporator, the third heat exchanger absorbs heat in the outside air, and the liquid refrigerant absorbs heat and evaporates through the third valve port of the four-way valve to the communicated fourth valve port so as to enter the compressor to form circulation;
when frosting occurs in the third heat exchanger, a closed loop mode is opened, an air port of the third heat exchanger is closed, the air port is not communicated with the outside, and the four-way valve is switched, so that a first valve port of the four-way valve is communicated with the third valve port, a second valve port is communicated with a fourth valve port, the gaseous refrigerant of the compressor is still provided for the first heat exchanger, and the first heat exchanger still releases heat of the gaseous refrigerant for the condenser to enable the interior of the oven to be heated and dried; the refrigerant passing through the first heat exchanger reaches a third heat exchanger communicated with a third valve port from a first valve port of the four-way valve, at the moment, the third heat exchanger is converted into a condenser to release heat for defrosting, the third heat exchanger is communicated with a second heat exchanger, at the moment, the second heat exchanger is converted into an evaporator, the second heat exchanger dehumidifies the interior of the oven, and gas in the second heat exchanger passes through the second valve port to the fourth valve port of the four-way valve, so that the gas enters the compressor to form circulation;
when closed loop mode defrosting, can avoid oven temperature to reduce, guaranteed the stoving time, promote drying efficiency, improve the stoving quality.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of an opening and closing integrated dryer with a defrosting function according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an oven of the opening and closing integrated dryer with defrosting function according to the embodiment of the present utility model;
in the figure: 1. a compressor; 2. a first heat exchanger; 3. a second heat exchanger; 4. a third heat exchanger; 5. a circulating fan; 6. an evaporation fan; 7. a throttle device; 8. a four-way valve; 81. a first valve port; 82. a second valve port; 83. a third valve port; 84. a fourth valve port; 9. a temperature measuring device; 10. and (3) an oven.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model are clearly and completely described, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the description of the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
The embodiment of the utility model discloses an opening and closing integrated dryer with a defrosting function, which is used for solving the technical problems that the temperature of a drying oven is reduced when the existing dryer is defrosted, so that the drying time is prolonged, and the drying efficiency is lower.
Referring to fig. 1-2, an opening and closing integrated dryer with defrosting function according to an embodiment of the present utility model includes: the system comprises a compressor 1, a circulating fan 5, a four-way valve 8, an evaporating fan 6, a first heat exchanger 2, a second heat exchanger 3 and a third heat exchanger 4;
the compressor 1 is communicated with the first heat exchanger 2 through a pipeline, the first heat exchanger 2 is communicated with a first valve port 81 of the four-way valve 8 through a pipeline, a second valve port 82 of the four-way valve 8 is communicated with the second heat exchanger 3 through a pipeline, the second heat exchanger 3 is communicated with the third heat exchanger 4 through a pipeline, the third heat exchanger 4 is communicated with a third valve port 83 of the four-way valve 8 through a pipeline, and a fourth valve port 84 of the four-way valve 8 is communicated with the compressor 1 through a pipeline.
It should be noted that, when the drying is normal, the open loop mode is opened, the compressor 1 compresses the low-temperature low-pressure refrigerant into the high-temperature high-pressure gas refrigerant, the first heat exchanger 2 is a condenser, the gas passes through the first heat exchanger 2 to obtain the medium-temperature high-pressure gas-liquid mixture, wherein the gas is heated by the first heat exchanger 2 to dry the interior of the oven 10, the gas-liquid mixture then enters the first valve port 81 of the four-way valve 8, enters the second heat exchanger 3 from the communicated second valve port 82, at this time, the second heat exchanger 3 is a condenser, the liquid refrigerant can be obtained, then enters the third heat exchanger 4, at this time, the third heat exchanger 4 is an evaporator, the third heat exchanger 4 absorbs the heat in the external air, and the liquid refrigerant absorbs heat and evaporates through the third valve port 83 of the four-way valve 8 to the communicated fourth valve port 84, so as to enter the compressor 1 to form a cycle;
when frosting occurs on the third heat exchanger 4, a closed loop mode is opened, an air port of the third heat exchanger 4 is closed, the outside is not communicated, the four-way valve 8 is switched, the first valve port 81 of the four-way valve 8 is communicated with the third valve port 83, the second valve port 83 is communicated with the fourth valve port 84, the gaseous refrigerant of the compressor 1 is still provided for the first heat exchanger 2, and the first heat exchanger 2 still releases the heat of the gaseous refrigerant for the condenser, so that the interior of the oven 10 is heated and dried; the refrigerant passing through the first heat exchanger 2 reaches the third heat exchanger 4 communicated with the third valve port 82 from the first valve port 81 of the four-way valve 8, at the moment, the third heat exchanger 4 is converted into a condenser to release heat for defrosting, the third heat exchanger 4 is communicated with the second heat exchanger 3, at the moment, the second heat exchanger 3 is converted into an evaporator, the interior of the oven 10 is dehumidified by the second heat exchanger 3, and the gas in the second heat exchanger 3 passes through the second valve port 82 to the fourth valve port 84 of the four-way valve 8 so as to enter the compressor 1 to form circulation;
when defrosting is performed in a closed loop mode, the temperature of the oven 10 can be prevented from being reduced, the drying time is ensured, the drying efficiency is improved, and the drying quality is improved;
when drying is performed normally, the first valve port 81 of the four-way valve 8 is communicated with the second valve port 82, the third valve port 83 is communicated with the fourth valve port 84, and the circulation path of the refrigerant is as follows: compressor 1- & gt first heat exchanger 2- & gt four-way valve 8- & gt second heat exchanger 3- & gt third heat exchanger 4- & gt four-way valve 8- & gt compressor 1;
when the third heat exchanger 4 frosts, the four-way valve 8 is switched, the first valve port 81 of the four-way valve 8 is communicated with the third valve port 83, the second valve port 82 is communicated with the fourth valve port 84, and the circulation path of the refrigerant is as follows: compressor 1- & gt first heat exchanger 2- & gt four-way valve 8- & gt third heat exchanger 4- & gt second heat exchanger 3- & gt four-way valve 8- & gt compressor 1;
the four-way valve 8 realizes two different valve port communication relations through the internal movable part, thereby realizing the switching of two different circulation paths.
As a further improvement, a circulating fan 5 and an evaporating fan 6 are also included;
the circulating fan 5 is arranged at the air openings of the first heat exchanger 2 and the second heat exchanger 3;
the evaporating fan 6 is arranged at the air port of the third heat exchanger 4.
When the circulating fan 5 and the evaporating fan 6 are both opened in the open loop mode, the circulating fan 5 drives the air in the oven 10 to enter the first heat exchanger 2 and the second heat exchanger 3 for heat exchange, and the evaporating fan 6 drives the external air to pass through the third heat exchanger 4 for heat exchange;
when in the closed-loop mode, the circulating fan 5 is started, the evaporating fan 6 is closed, the air inlet of the third heat exchanger 4 is not communicated with the outside, and circulation is only carried out in the oven 10.
As a further improvement, an electronic speed regulator (not shown in the figure) is also included, and the electronic speed regulator is connected with the circulating fan 5 and the evaporating fan 6.
The rotation speeds of the blades of the circulating fan 5 and the evaporating fan 6 are adjusted through the electronic speed regulator, and the wind power is controlled.
As a further improvement, further comprising: a power supply controller (not shown in the figure) connected to the compressor 1, the first heat exchanger 2, the second heat exchanger 3, the third heat exchanger 4, the circulating fan 5, the evaporating fan 6 and the four-way valve 8.
The on/off of each device is controlled by the power controller, and the switching of the four-way valve 8 is controlled.
As a further improvement, the third heat exchanger 4 is provided with a temperature measuring device 9, and the temperature measuring device 9 is connected with a power supply controller (not shown in the figure).
The temperature measuring device 9 measures the temperature of the third heat exchanger 4 in real time, and when the temperature is lower than 0 ℃, a signal is sent to the power controller, and the power controller controls the four-way valve 8 to switch to open the closed-loop mode for defrosting.
As a further improvement, the temperature measuring device 9 is a temperature sensing probe or a temperature sensor.
As a further development, the conduit between the second heat exchanger 3 and the third heat exchanger 4 is provided with a throttling device 7.
The throttle device 7 is used to control the flow rate.
As a further development, the throttle device 7 is a thermal expansion valve or an electronic expansion valve.
The thermal expansion valve and the electronic expansion valve are easy to operate.
As a further improvement, the pipe is a copper pipe.
The copper pipe has high and low temperature resistance, good oxidation resistance and difficult leakage.
As a further development, the first heat exchanger 2, the second heat exchanger 3 and the third heat exchanger 4 are all coil heat exchangers.
The coil heat exchanger uses the heat of steam to transfer to the heating medium needed in the heating coil, to increase the temperature of the medium.
The above description is provided for a detailed description of an opening and closing integrated dryer with defrosting function, and for those skilled in the art, according to the idea of the embodiment of the utility model, the details of the embodiment and the application range are changed, so that the disclosure should not be construed as limiting the utility model.
Claims (10)
1. An opening and closing integrated dryer with defrosting function, characterized by comprising: the system comprises a compressor, a four-way valve, a first heat exchanger, a second heat exchanger and a third heat exchanger;
the compressor is communicated with the first heat exchanger through a pipeline, the first heat exchanger is communicated with the first valve port of the four-way valve through a pipeline, the second valve port of the four-way valve is communicated with the second heat exchanger through a pipeline, the second heat exchanger is communicated with the third heat exchanger through a pipeline, the third heat exchanger is communicated with the third valve port of the four-way valve through a pipeline, and the fourth valve port of the four-way valve is communicated with the compressor through a pipeline.
2. The opening and closing integrated dryer with defrosting function according to claim 1, further comprising a circulation fan and an evaporation fan;
the circulating fan is arranged at the air inlets of the first heat exchanger and the second heat exchanger;
the evaporation fan is arranged at the air port of the third heat exchanger.
3. The opening and closing integrated dryer with a defrosting function according to claim 2, further comprising an electronic speed regulator connecting the circulation fan and the evaporation fan.
4. The opening and closing integrated dryer with defrosting function according to claim 3, further comprising: a power supply controller;
the power supply controller is connected with the compressor, the first heat exchanger, the second heat exchanger, the third heat exchanger, the circulating fan, the evaporating fan, the electronic speed regulator and the four-way valve.
5. The opening and closing integrated dryer with defrosting function as claimed in claim 4, wherein a temperature measuring device is provided on the third heat exchanger, and the temperature measuring device is connected with the power controller.
6. The opening and closing integrated dryer with defrosting function as claimed in claim 5, wherein the temperature measuring device is a temperature sensing probe or a temperature sensor.
7. The opening and closing integrated dryer with defrosting function according to claim 1, wherein a pipe between the second heat exchanger and the third heat exchanger is provided with a throttling device.
8. The opening and closing integrated dryer with defrosting function according to claim 7, wherein the throttling means is a thermal expansion valve or an electronic expansion valve.
9. The opening and closing integrated dryer with a defrosting function according to claim 1, wherein the pipe is a copper pipe.
10. The opening and closing integrated dryer with a defrosting function according to claim 1, wherein the first heat exchanger, the second heat exchanger and the third heat exchanger are coil heat exchangers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320207986.4U CN219347229U (en) | 2023-02-14 | 2023-02-14 | Opening and closing integrated dryer with defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320207986.4U CN219347229U (en) | 2023-02-14 | 2023-02-14 | Opening and closing integrated dryer with defrosting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219347229U true CN219347229U (en) | 2023-07-14 |
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ID=87104956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320207986.4U Active CN219347229U (en) | 2023-02-14 | 2023-02-14 | Opening and closing integrated dryer with defrosting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219347229U (en) |
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2023
- 2023-02-14 CN CN202320207986.4U patent/CN219347229U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510000 No. 125, CHUANGYOU Road, Xintang Town, Zengcheng, Guangzhou, Guangdong (in the core area of Zengcheng economic and Technological Development Zone) Patentee after: Guangdong Newente New Energy Technology Co.,Ltd. Country or region after: China Address before: 510000 No. 125, CHUANGYOU Road, Xintang Town, Zengcheng, Guangzhou, Guangdong (in the core area of Zengcheng economic and Technological Development Zone) Patentee before: GUANGDONG NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |