JP3686481B2 - Refrigeration equipment - Google Patents

Refrigeration equipment Download PDF

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Publication number
JP3686481B2
JP3686481B2 JP18575096A JP18575096A JP3686481B2 JP 3686481 B2 JP3686481 B2 JP 3686481B2 JP 18575096 A JP18575096 A JP 18575096A JP 18575096 A JP18575096 A JP 18575096A JP 3686481 B2 JP3686481 B2 JP 3686481B2
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JP
Japan
Prior art keywords
evaporator
drain water
condenser
fan
drain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP18575096A
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Japanese (ja)
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JPH1030874A (en
Inventor
広明 加瀬
Original Assignee
松下冷機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 松下冷機株式会社 filed Critical 松下冷機株式会社
Priority to JP18575096A priority Critical patent/JP3686481B2/en
Publication of JPH1030874A publication Critical patent/JPH1030874A/en
Application granted granted Critical
Publication of JP3686481B2 publication Critical patent/JP3686481B2/en
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Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2321/00Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141Removal by evaporation
    • F25D2321/1412Removal by evaporation using condenser heat or heat of desuperheaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2321/00Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/147Collecting condense or defrost water; Removing condense or defrost water characterised by capillary, wick, adsorbent, or evaporation elements

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigeration apparatus for freezing or air conditioning such as a refrigerator-freezer or a room air conditioner.
[0002]
[Prior art]
As a conventional refrigeration apparatus, one described in Japanese Utility Model Laid-Open No. 2-30878 is known. The conventional refrigeration apparatus will be described below with reference to the drawings.
[0003]
FIG. 8 is a cross-sectional view showing the structure of a conventional refrigeration apparatus. In FIG. 8, 1 is an evaporator arranged at the bottom of the refrigerator cabinet and absorbs heat from the cabinet, 2 is an evaporator of the evaporator 1, and 3 is an evaporator fan. 4 is a condensing device that is located below the evaporator 1 and dissipates the absorbed heat to the outside of the cabinet, 5 is a condenser, 6 is a condenser fan, and 7 is a drain water evaporating dish disposed below the condenser. . Reference numeral 8 denotes a compressor, and 9 denotes a pressure reducing device.
[0004]
The refrigerating apparatus performs the operation of causing the refrigerant to flow through the evaporator 2 and the condenser 5 by the operation of the compressor 8, cooling the internal air in the evaporator 1, and dissipating heat in the condenser 4. In the case of air conditioning or refrigeration, drain water is generated on the surface of the evaporator 2 when air passes through the evaporator 2 and is cooled. Even in the case of refrigeration, drain water is generated by defrosting operation although it once adheres to the surface of the evaporator 2 as frost.
[0005]
In any case, the drain water flows from the drain water receiving tray (not shown) disposed below the evaporator 2 through the drain hose (not shown) to the drain water evaporation tray 7 by its own weight. The drain water collected in the drain water evaporating dish 7 evaporates in the air by the ventilation by the condenser fan 6, but when the high temperature condenser 5 is touched, the temperature rises and the evaporation effect increases.
[0006]
[Problems to be solved by the invention]
In the conventional refrigeration apparatus, the condensing device 4 is positioned below the evaporator 1 so that the drain water flows into the condensing device 4 having the drain water evaporating dish 7 by its own weight, so that the drain water can be treated with an inexpensive specification. However, if the condensing device 4 and the evaporator 1 are disposed horizontally and the weight of the drain water does not work effectively, a means such as a pump for transporting the drain water from the drain water receiving tray to the drain water evaporating tray 7 is necessary. Come.
[0007]
In the refrigeration apparatus in which the evaporator and the condenser are horizontally arranged in this way, the present invention conveys drain water from the drain water receiving tray to the drain water evaporating dish with a low cost specification and quickly processes the drain water. Objective.
[0008]
[Means for Solving the Problems]
In the refrigerating apparatus of the present invention, an evaporator comprising an evaporator, an evaporator fan, a drain water receiving tray provided with a drain water discharge port, a condenser, a condenser fan for sucking air from the condenser, and the condenser And a condenser comprising a drain water evaporating dish provided with a drain water supply port between the condenser fan and a drain hose connecting the drain water discharge port of the evaporator and the drain water supply port of the condenser It will be.
[0009]
Thereby, even when the evaporator and the condenser are arranged horizontally, the drain water can be promptly processed with an inexpensive specification.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 of the present invention is an evaporator comprising an evaporator, an evaporator fan, a drain water receiving tray provided with a drain water discharge port, a condenser and a condenser fan for sucking air from the condenser. A condenser comprising a drain water evaporating dish provided with a drain water supply port between the condenser and the condenser fan, and a drain water outlet of the evaporator and a drain water supply port of the condenser Ri Do from the drain hose, which said evaporator and said condenser are disposed horizontally, by using the differential pressure drain hose ends to induce a negative static pressure generated by the condenser fan, the evaporation Even if the apparatus and the condenser are disposed horizontally, the drain water is conveyed from the drain water receiving tray to the drain water evaporator tray.
[0011]
The invention according to claim 2 is the invention according to claim 1, wherein when the evaporator fan sucks wind from the evaporator, the drain water discharge port is disposed on the windward side of the evaporator. The differential pressure at both ends of the hose is maximized, and the drain water is conveyed more quickly from the drain water receiving tray to the drain water evaporating tray.
[0012]
The invention according to claim 3 is the invention according to claim 1, wherein when the evaporator fan feeds air into the evaporator, a drain water discharge port is disposed between the evaporator and the evaporator fan. In addition to the negative static pressure generated by the condenser fan, in addition to the positive static pressure generated by the evaporator fan, the differential pressure across the drain hose is further increased so that the drain water from the drain water tray to the drain water evaporating dish Are to be transported.
[0013]
The invention according to claim 4 is the invention according to claim 1, wherein a water absorption plate is provided in the air passage of the condenser fan, and the treatment capacity of drain water is improved without requiring a large space. Can do.
[0014]
According to a fifth aspect of the present invention, in the fourth aspect of the invention, the drain water supply port is disposed between the condenser fan and the water absorption plate, and the negative static pressure generated by the condenser fan is reduced. It can be used as efficiently as possible.
[0015]
【Example】
Embodiments of the present invention will be described below with reference to FIGS.
[0016]
FIG. 1 shows a refrigeration apparatus according to a first embodiment of the present invention, and the refrigeration apparatus is built in the bottom of the refrigerator. 21 is an evaporator, 22 is an evaporator of the evaporator 21, 23 is an evaporator fan, 30 is a drain water tray, 31 is a drain water drain of a drain water tray 30 arranged on the wind of the evaporator with respect to the wind direction. It is an exit.
[0017]
Further, 24 is a condenser located horizontally with the evaporator 21, 25 is a condenser, 26 is a condenser fan, 27 is a drain water evaporating dish disposed below the condenser, and 28 is a condenser and condenser fan. A drain water supply port 29 of the drain water evaporating dish 27 disposed between the drain water evaporating tray 27 and a drain hose connecting the drain water discharge port 31 and the drain water supply port 28.
[0018]
Moreover, the arrow in the figure indicates the flow of wind, the evaporator fan 23 sucks wind from the direction of the evaporator 22, and the condenser fan 26 sucks wind from the direction of the condenser 25.
[0019]
The operation of the refrigeration apparatus configured as described above will be described below.
Like the conventional refrigeration apparatus, the refrigeration apparatus of the present embodiment causes the refrigerant to flow to the evaporator 22 and the condenser 25 by the operation of a compressor (not shown). Performs heat dissipation. In the evaporator 22, drain water is generated by a cooling operation or a defrosting operation and is accumulated in a drain water receiving tray 30 disposed under the evaporator 22.
[0020]
The operation of the refrigeration apparatus configured as described above will be described below.
FIG. 2 shows a static pressure distribution in the air passage of the evaporator 21 and the condenser 24. As shown in FIG. 2, the drain water supply port 31 disposed between the condenser 25 and the condenser fan 26 is in a state where the static pressure of the drain water discharge port 31 disposed on the wind of the evaporator 22 is substantially zero. The mouth 28 is pulled by the condenser fan 26 and is in a negative static pressure state. Since both ends are connected by the drain hose 29, a differential pressure ΔP is generated at both ends, and the drain water accumulated in the drain water receiving tray 30 flows from the drain water supply port 28 to the drain water evaporating tray 30 via the drain hose. . The drain water that has flowed into the drain water evaporating dish 27 evaporates into the air by blowing air from the condenser fan 26, but the temperature rises by touching the high-temperature condenser 25, and the evaporation effect increases.
[0021]
As described above, in the refrigeration apparatus of the present embodiment, the evaporator 22, the evaporator fan 23 that sucks wind from the evaporator side, and the drain water discharge port 31 disposed on the wind of the evaporator 22 with respect to the wind direction. Are provided with an evaporator 21, a condenser 25, a condenser fan 26 for sucking air from the condenser 25, and a drain water supply port 28 between the condenser 25 and the condenser fan 26. And a drain hose 29 for connecting a drain water discharge port 31 of the evaporator 21 and a drain water supply port 28 of the condenser 24. Even if the evaporator 21 and the condenser 24 are arranged horizontally by using the differential pressure across the drain hose 29 induced by the negative static pressure generated by the condenser fan 26, the drain water tray 30 Those capable of carrying drain water to drain water evaporating dish 27.
[0022]
In the following, a second embodiment of the present invention will be described with reference to FIGS.
FIG. 3 shows a refrigerating apparatus according to a second embodiment of the present invention, and the refrigerating apparatus is built in the bottom of the refrigerator. In addition, about the same structure as a 1st Example, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.
[0023]
In FIG. 3, 32 is a drain water tray, and 33 is a drain water discharge port of the drain water tray 32 and is disposed between the evaporator 22 and the evaporator fan 23. Also, the arrows in the figure indicate the flow of wind, and unlike the first embodiment, the evaporator fan 23 sends the wind toward the evaporator 22. The condenser fan 26 sucks wind from the direction of the condenser 25 as in the first embodiment.
[0024]
The operation of the refrigeration apparatus configured as described above will be described below.
FIG. 4 shows the static pressure distribution in the air path of the evaporator 21 and the condenser 24. As shown in FIG. 4, the static pressure of the drain water discharge port 33 disposed between the evaporator 22 and the evaporator fan 23 becomes a positive static pressure state because the wind is sent by the evaporator fan 23. Since the drain water supply port 28 disposed between the condenser 25 and the condenser fan 26 is pulled by the condenser fan 26, it is in a negative static pressure state. Since both ends are connected by the drain hose 29, a differential pressure ΔP is generated at both ends, and the drain water accumulated in the drain water receiving tray 32 flows from the drain water supply port 28 to the drain water evaporating tray 30 via the drain hose. . The drain water that has flowed into the drain water evaporating dish 27 evaporates into the air by blowing air from the condenser fan 26, but the temperature rises by touching the high-temperature condenser 25, and the evaporation effect increases.
[0025]
As described above, in the refrigeration apparatus of the present embodiment, the evaporator 22, the evaporator fan 23 that sends air to the evaporator 22, and the drain water discharge port 33 are provided between the evaporator 22 and the evaporator fan 23. An evaporator 21 configured by a drain water tray 32, a condenser 25, a condenser fan 26 for sucking air from the condenser 25, and a drain water supply port 28 are provided between the condenser 25 and the condenser fan 26. A condensing device 24 composed of a drain water evaporating dish 27, a drain hose 29 connecting a drain water outlet 31 of the evaporator 21 and a drain water supply port 28 of the condensing device 24, and condensing of the condensing device 24. By using the negative static pressure generated by the evaporator fan 26 and the differential pressure across the drain hose 29 induced by the positive static pressure generated by the evaporator fan 23 of the evaporator 21, 1 and condenser 24 are those capable of carrying drain water from the drain water receiving tray 32 is arranged horizontally to drain water evaporating dish 27.
[0026]
A third embodiment of the present invention will be described below with reference to FIGS.
FIG. 5 shows a refrigeration apparatus according to a third embodiment of the present invention, and the refrigeration apparatus is built in the bottom of the refrigerator. In addition, about the same structure as a 2nd Example, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.
[0027]
5 and 6, reference numeral 34 denotes a water absorption plate disposed on the drain water evaporating dish 27, and is located between the condenser 25 and the supply port 28 of the drain water evaporating dish 27.
[0028]
The operation of the refrigeration apparatus configured as described above will be described below.
The static pressure of the drain water discharge port 33 disposed between the evaporator 22 and the evaporator fan 23 is positive because the wind is sent by the evaporator fan 23, while the condenser 25 and the water absorption plate 34. The drain water supply port 28 disposed between the condenser fan 26 and the condenser fan 26 is pulled by the condenser fan 26 and is in a negative static pressure state. Since both ends are connected by the drain hose 29, a differential pressure ΔP is generated at both ends, and the drain water accumulated in the drain water receiving tray 32 flows from the drain water supply port 28 to the drain water evaporating tray 30 via the drain hose. . The drain water that has flowed into the drain water evaporating dish 27 evaporates into the air by blowing air from the condenser fan 26, but the temperature rises by touching the high-temperature condenser 25, and the evaporation effect increases. Further, the draining water is absorbed by the water absorbing plate having a large surface area, thereby further increasing the evaporation effect.
[0029]
As described above, in the refrigeration apparatus of the present embodiment, the evaporator 22, the evaporator fan 23 that sends air to the evaporator 22, and the drain water discharge port 33 are provided between the evaporator 22 and the evaporator fan 23. The evaporator 21 composed of the drain water tray 32, the condenser 25, the water absorption plate 34 disposed on the lee of the condenser 25, the condenser fan 26 for sucking the wind from the condenser 25, the condenser 25, Condensing device 24 composed of drain water evaporating dish 27 provided with drain water supply port 28 between water absorption plate 34 and condenser fan 26, drain water discharge port 31 of evaporating device 21, and drain water supply of condensing device 24 It consists of a drain hose 29 connecting the port 28, and is generated by the negative static pressure generated by the condenser fan 26 of the condenser 24 and by the evaporator fan 23 of the evaporator 21. The drain water can be conveyed from the drain water receiving tray 32 to the drain water evaporating tray 27 even if the evaporation device 21 and the condensing device 24 are disposed horizontally by utilizing the differential pressure across the drain hose 29 induced by the static pressure of the water. is there. Further, by storing the water absorption plate between the condenser 24 and the condenser fan 26, there is no large space.
[0030]
Although the refrigeration apparatus of the first, second, and third embodiments has been described as being built in the bottom of the refrigerator, it can be implemented in the same manner even if it is installed on the top of the refrigerator as shown in FIG. is there.
[0031]
【The invention's effect】
As described above, the refrigeration apparatus of the present invention includes an evaporator, an evaporator fan that sucks wind from the evaporator, and an evaporator that includes a drain water receiving tray provided with a drain water discharge port on the upper side of the evaporator, A condenser, a condenser fan for sucking air from the condenser, a condenser device comprising a drain water evaporating dish provided with a drain water supply port between the condenser and the condenser fan, and the evaporator Ri Do from the drain hose connecting the drain water supply port of the condenser and the drain water outlet, which said evaporator and said condenser are disposed horizontally, the negative static generated by the condenser fan Using the differential pressure across the drain hose induced by pressure, the drain water can be transported from the drain water receiving tray to the drain water evaporating tray even if the evaporator and condenser are installed horizontally. At In which the down water can evaporated.
[0032]
Further, the refrigeration apparatus of the present invention includes an evaporator, an evaporator fan that sucks air from the evaporator, an evaporator constituted by a drain water receiving tray provided with a drain water discharge port on the windward side of the evaporator, and a condenser. A condenser fan configured to suck wind from the condenser, a drain water evaporating dish provided with a drain water discharge port between the condenser and the condenser fan, and a drain water drain of the evaporator Drain hose connecting the outlet and the drain water supply port of the condenser, both ends of the drain hose induced by the negative static pressure generated by the condenser fan and the positive static pressure generated by the evaporator fan Even if the evaporator and condenser are installed horizontally, the drain water can be transported from the drain water tray to the drain water evaporator, and the drain water is evaporated in the high-temperature condenser. It can be physical.
[0033]
Further, the refrigeration apparatus of the present invention includes an evaporator, an evaporator fan that sucks air from the evaporator, an evaporator constituted by a drain water receiving tray provided with a drain water discharge port on the windward side of the evaporator, and a condenser. A condenser fan configured to suck wind from the condenser, a drain water evaporating dish provided with a drain water supply port between the condenser and the condenser fan, and a drain water discharge of the evaporator Drain hose connecting the outlet and the drain water supply port of the condenser, both ends of the drain hose induced by the negative static pressure generated by the condenser fan and the positive static pressure generated by the evaporator fan Even if the evaporator and condenser are installed horizontally, the drain water can be transported from the drain water tray to the drain water evaporator, and the drain water is evaporated in the high-temperature condenser. It is those that can be physical.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of the bottom of a refrigerator incorporating a refrigeration apparatus according to a first embodiment of the present invention. FIG. 2 is a static airflow distribution diagram of an evaporator and a condenser when the refrigeration apparatus of the embodiment is operated. FIG. 3 is a bottom cross-sectional view of a refrigerator incorporating a refrigeration apparatus according to a second embodiment of the present invention. FIG. 4 is a static air pressure distribution diagram of an evaporator and a condenser when the refrigeration apparatus of the embodiment is operated. FIG. 5 is a cross-sectional view of the bottom of a refrigerator incorporating a refrigeration apparatus according to a third embodiment of the present invention. FIG. 6 is a perspective view of a condensing apparatus of the same embodiment. FIG. 7 is a refrigeration apparatus according to another embodiment of the present invention. Cross section of the top of the refrigerator with built-in [Fig. 8] Cross section of the top of the refrigerator with a built-in freezer
DESCRIPTION OF SYMBOLS 21 Evaporator 22 Evaporator 23 Evaporator fan 30, 32 Drain water receptacle 31, 33 Drain water discharge port 24 Condenser 25 Condenser 26 Condenser fan 27 Drain water evaporating tray 28 Drain water supply port 29 Drain hose 34 Water absorption plate

Claims (5)

  1. An evaporator, an evaporator fan, an evaporator comprising a drain water tray provided with a drain water discharge port, a condenser, a condenser fan for sucking air from the condenser, and between the condenser and the condenser fan a condensing device comprising drain water evaporating dish having a drain water inlet, Ri Do from the drain hose connecting the drain water supply port of the condenser and the drain water outlet of the evaporator, the said evaporator A refrigeration system in which the condensing device is disposed horizontally .
  2.   The refrigeration apparatus according to claim 1, wherein the evaporator fan sucks wind from the evaporator, and a drain water discharge port is disposed on the windward side of the evaporator.
  3.   2. The refrigeration apparatus according to claim 1, wherein the evaporator fan sends air to the evaporator, and a drain water discharge port is disposed between the evaporator and the evaporator fan.
  4.   The refrigeration apparatus according to claim 1, wherein a water absorption plate is disposed in the air path of the condenser fan.
  5.   The refrigeration apparatus according to claim 4, wherein the drain water supply port is disposed between the condenser fan and the water absorption plate.
JP18575096A 1996-07-16 1996-07-16 Refrigeration equipment Expired - Fee Related JP3686481B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18575096A JP3686481B2 (en) 1996-07-16 1996-07-16 Refrigeration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18575096A JP3686481B2 (en) 1996-07-16 1996-07-16 Refrigeration equipment

Publications (2)

Publication Number Publication Date
JPH1030874A JPH1030874A (en) 1998-02-03
JP3686481B2 true JP3686481B2 (en) 2005-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP18575096A Expired - Fee Related JP3686481B2 (en) 1996-07-16 1996-07-16 Refrigeration equipment

Country Status (1)

Country Link
JP (1) JP3686481B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3006863A1 (en) * 2014-10-06 2016-04-13 Truma Gerätetechnik GmbH & Co. KG Integrated cooling/air conditioning unit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6473379B2 (en) * 2015-05-01 2019-02-20 福島工業株式会社 Commercial refrigerator
CN111609607A (en) * 2019-02-26 2020-09-01 青岛海尔股份有限公司 Refrigerator and control method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918159U (en) * 1972-05-17 1974-02-15
JPS5163261U (en) * 1974-11-13 1976-05-18
JPS58190379U (en) * 1982-06-14 1983-12-17
JPH0583683U (en) * 1992-04-07 1993-11-12 三菱電機株式会社 Drain water treatment equipment for refrigerated showcases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3006863A1 (en) * 2014-10-06 2016-04-13 Truma Gerätetechnik GmbH & Co. KG Integrated cooling/air conditioning unit

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