CN103988026B - Heater and possess the outdoor unit of refrigerating plant of this heater - Google Patents
Heater and possess the outdoor unit of refrigerating plant of this heater Download PDFInfo
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- CN103988026B CN103988026B CN201280058436.5A CN201280058436A CN103988026B CN 103988026 B CN103988026 B CN 103988026B CN 201280058436 A CN201280058436 A CN 201280058436A CN 103988026 B CN103988026 B CN 103988026B
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- heater
- heat converter
- outdoor heat
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- outdoor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 57
- 238000005452 bending Methods 0.000 claims description 6
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 5
- 230000007306 turnover Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/22—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/36—Drip trays for outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
- F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
- F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Abstract
Outdoor unit (10) possesses casing (20) and outdoor heat converter (30), this casing (20) has four sides (4), this outdoor heat converter (30) has and is arranged in this casing (20) and four heat-exchange surfaces (30a) corresponding with each side (4) of this casing (20), the side of this outdoor heat converter (30) is formed with opening (3a).Arrange the folding portion (70) being used for alongst turning down the heater (75) for preventing the condensed water of outdoor heat converter (30) from freezing is upper, this heater (75) is formed as outdoor heat converter (30) bottom rectangular box-like along this outdoor unit (10).
Description
Technical field
The present invention relates to the outdoor unit of a kind of heater and a kind of refrigerating plant, this heater is used for preventing condensed water from freezing, and the outdoor unit of this refrigerating plant possesses this heater.
Background technology
Up to now, in the off-premises station of refrigerating plant, be provided with heater (such as with reference to following patent document 1) to prevent the condensed water of outdoor heat converter from freezing.In patent document 1, off-premises station base is provided with heater, this heater is positioned at the below of outdoor heat converter.Heater is formed as L-shaped frame-shaped along outdoor heat converter when overlooking being L-shaped.According to such structure, the condensing drip of outdoor heat converter is fallen on off-premises station base and is heated by heater, and condensed water can not freeze, and condensed water from be formed in off-premises station base condensation water hole discharge outwardly.
Patent document 1: Japanese Laid-Open Patent Publication Laid-Open 2004-69220 publication
Summary of the invention
-technical problem that invention will solve-
But have in above-mentioned outdoor heat converter and have the such outdoor heat converter (hereinafter referred to as " four heat exchanger ") of four heat-exchange surfaces to increase heat exchange area, these four heat-exchange surfaces are corresponding with four sides of casing.When having this outdoor heat converter, the heater freezed for preventing the condensed water of this outdoor heat converter is formed along this outdoor heat converter, and becomes rectangular box-like.With regard to this heater with shape along four heat exchanger, such as, when wanting mounting heater because of reasons such as rear installation, guarantees, this heater likely can be stuck on four heat exchanger, and therefore installment work quite bothers.
The present invention completes in view of the problems referred to above, its object is to make the outdoor unit heater of refrigerating plant to be configured to the kenel of easily installing.
-in order to technical solution problem technical scheme-
The invention of first aspect is a kind of heater, it freezes for preventing the condensed water of the outdoor heat converter 30 in the outdoor unit 10 of refrigerating plant, the outdoor unit 10 of this refrigerating plant possesses casing 20 and above-mentioned outdoor heat converter 30, this casing 20 has four sides 4, this outdoor heat converter 30 has and is arranged on four heat-exchange surface 30a in this casing 20 and corresponding with each side 4 of this casing 20, the side of this outdoor heat converter 30 is formed with opening 3a, it is rectangular box-like that above-mentioned heater is formed as along above-mentioned outdoor heat converter 30 bottom, the feature of this heater is: above-mentioned heater has the folding portion 70 turned down along the length direction of this heater by this heater.
In the invention of first aspect, the rectangular box-like heater 75 arranged along outdoor heat converter 30 bottom has the folding portion 70 for alongst turning down, the outdoor unit 10 of refrigerating plant has four heat-exchange surface 30a, and the side of the outdoor unit 10 of refrigerating plant is formed with opening 3a.Thus, heater 75 is configured to can by turnover folding portion 70 and alongst turning down, and to insert inside outdoor heat converter 30 and bottom along outdoor heat converter 30 is arranged under the state of heater 75 after turnover from the opening 3a be formed in outdoor heat converter 30 side.
The invention of second aspect is such: in the invention of first aspect, standby the first heating element heater 76 and the second heating element heater 77 alongst arranged of above-mentioned heating appliances, above-mentioned folding portion 70 is made up of the wiring 78,79 connecting above-mentioned first heating element heater 76 and above-mentioned second heating element heater 77.
In the invention of second aspect, heater 75 possesses the first heating element heater 76 and the second heating element heater 77 alongst arranged, and folding portion 70 is made up of the wiring 78,79 of connection two heating element heaters 76,77.That is, 78,79 can to bend owing to connecting up, therefore by bending wiring 78,79, can alongst turn down heater 75.
The invention of the third aspect is such: in the invention of second aspect, above-mentioned first heating element heater 76 and above-mentioned second heating element heater 77 have main part 76a, 77a and end 76b, 77b respectively, this main part 76a, 77a extend along the base plate 22 of said machine casing 20, this end 76b, 77b are formed as bending upward relative to this main part 76a, 77a, and above-mentioned wiring 78,79 is connected with this end 76b, 77b.
In the invention of the third aspect, the first heating element heater 76 that the wiring 78,79 becoming folding portion 70 connects and main part 76a, 77a that end 76b, 77b of the second heating element heater 77 are formed as relative to extending along casing 20 base plate 22 bend upward.Thus, installed main part 76a, 77a of the first heating element heater 76 and the second heating element heater 77 on the base plate 22 of the casing 20 toward outdoor unit 10 after, end 76b, 77b that wiring 78,79 connects become the state erected upward from base plate 22.That is, because the wiring 78,79 connecting the first heating element heater 76 and the second heating element heater 77 is not configured in the base plate 22 of the casing 20 for catching condensed water, therefore condensed water can not be attached in wiring 78,79.
The invention of fourth aspect is a kind of outdoor unit of refrigerating plant, and the outdoor unit of this refrigerating plant possesses the heater 75 of the invention of the either side in the first to the three.
In the invention of fourth aspect, under the state of heater 75 after alongst turnover, opening 3a from the side being formed in the outdoor heat converter 30 with four heat-exchange surface 30a is inserted into the inner side of outdoor heat converter 30, and the bottom along this outdoor heat converter 30 after launching in the inner side of this outdoor heat converter 30 is installed on outdoor unit 10.
The invention of the 5th aspect is such: in the invention of fourth aspect, and the outdoor unit of above-mentioned refrigerating plant possesses compressor 5a, 5b of being arranged on inside above-mentioned outdoor heat converter 30.
In invention in the 5th, under the state of heater 75 after alongst turnover, opening 3a limit from the side being formed in the outdoor heat converter 30 with four heat-exchange surface 30a is avoided after compressor 5a, 5b limit is inserted into the inner side of outdoor heat converter 30, heater 75 launches and compressor 5a, 5b is enclosed in inner side, and heater 75 is installed on outdoor unit 10 along the bottom of this outdoor heat converter 30.
-invention effect-
According to the invention of first aspect, be configured to alongst to turn down owing to being provided with folding portion 70 on rectangular box-like heater 75, therefore, when outdoor unit 10 mounting heater 75 of past refrigerating plant, from the opening 3a be formed in outdoor heat converter 30 side, this heater 75 can be inserted inside this outdoor heat converter 30 under the state after alongst turnover.Thus, even if the opening 3a be formed on outdoor heat converter 30 side is narrower, also easily heater 75 can be inserted into inside outdoor heat converter 30 not being stuck under the state on outdoor heat converter 30.After being inserted into inside outdoor heat converter 30, the heater 75 after turnover is launched, just can not to be stuck under the state on outdoor heat converter 30 along the bottom of outdoor heat converter 30 easily mounting heater 75.That is, the outdoor unit heater of refrigerating plant can be configured to the form of easily installing.
According to the invention of second aspect, the heater 75 that can alongst turn down can be formed with simple structure.
According to the invention of the third aspect, main part 76a, 77a that the first heating element heater 76 connected owing to making the wiring 78,79 becoming folding portion 70 and end 76b, 77b of the second heating element heater 77 are formed as relative to extending along casing 20 base plate 22 bend upward, therefore, it is possible to make heater 75 be configured to: when the base plate 22 toward outdoor unit 10 has installed heater 75, condensed water can not be attached in the wiring 78,79 of connection first heating element heater 76 and the second heating element heater 77.
According to the invention of fourth aspect, by using the heater 75 being configured to alongst to turn down, can the inner side under the state on the outdoor heat converter 30 with four heat-exchange surface 30a, heater 75 being inserted into outdoor heat converter 30 be stuck in, thus this heater 75 is being installed on outdoor unit 10.
According to the invention of the 5th aspect, above-mentioned heater 75 is provided with to the outdoor unit being provided with compressor 5a, 5b inside outdoor heat converter 30.When toward so outdoor unit mounting heater 75, heater 75 just may not be stuck on outdoor heat converter 30, and also may be stuck on compressor 5a, the 5b inside outdoor heat converter 30, therefore installment work quite bothers.But, in the invention in the 5th, so outdoor unit 10 is provided with to the heater 75 that can alongst turn down as described above.Thus, by this heater 75 being inserted into inside outdoor heat converter 30 from the opening 3a be formed in outdoor heat converter 30 side under the state after turnover heater 75, can easily avoid contacting with compressor 5a, 5b in limit, limit easily arranges heater 75 along the bottom of outdoor heat converter 30.
Accompanying drawing explanation
Fig. 1 is for illustrating the stereogram of the face shaping of the outdoor unit of the aircondition involved by first embodiment of the invention.
Fig. 2 is in-built first stereogram of the outdoor unit illustrated in Fig. 1.
Fig. 3 is in-built second stereogram of the outdoor unit illustrated in Fig. 1.
Fig. 4 mainly illustrates the underframe of outdoor unit in Fig. 1 and the stereogram of heater.
Fig. 5 is sectional view when cutting open along the A-A line in Fig. 4.
Fig. 6 is the stereogram of the structure that heater is shown.
Detailed description of the invention
Below, with reference to the accompanying drawings embodiments of the present invention are described in detail.
(the first embodiment of invention)
As shown in Figure 1 to 4, the outdoor unit 10 in this first embodiment is used in the aircondition into refrigerating plant, and outdoor unit 10 is connected with indoor units and forms steam compression type refrigerating and circulate, but this and not shown.
The roof that above-mentioned outdoor unit 10 is arranged on such as building is first-class, and this outdoor unit 10 possesses casing 20, outdoor heat converter 30, outdoor fan 40 and compressing mechanism 50.
Rectangular when said machine casing 20 is formed as overlooking, this casing 20 possesses four pillars 21, the underframe 22 forming base plate, side panel 23 and plane top board 24.That is, between the top board 24 and underframe 22 of casing 20, be formed with four sides 4 (with reference to Fig. 4).
Above-mentioned four pillars 21 are arranged on four corners of casing, are fixed with underframe 22 in the bottom of pillar 21.Be connected with footing 27 in the lower end of the left and right pillar 21,21 of front side, be also connected with footing 27 in the lower end of the left and right pillar 21 of rear side.Each footing 27 extends out from underframe 22 towards below.So, just each footing 27 can be arranged on four corners of the plane top board 24 of other casing 20 or the upper end of pillar 21, thus outdoor for multiple stage unit about 10 can be piled up to get up to arrange.The gap specified just can be guaranteed in this condition between plane top board 24 and underframe 22.
As shown in Figure 1, above-mentioned side panel 23 possesses: form the upper side panel 23a in the first half four faces of casing 20, form the left surface panel 23c of the left surface first half of the latter half of the leading flank panel 23b of left-half before the latter half of casing 20 and formation casing 20.In the side of said machine casing 20, that is, before the latter half, the left surface latter half of the right flank of right half part, the latter half, the back side of the latter half and the latter half is formed with air entry 25.
Four pieces of upper side panel 23a are arranged on every root pillar 21 and surround outdoor fan 40.The upper space 2b (with reference to Fig. 2, Fig. 3) for receiving two outdoor fans 40 is formed in the inside of upper side panel 23a.
Above-mentioned top board 24 is fixed on the upper end of pillar 21, this top board 24 is formed with two air outlets 26.Two air outlets 26 are respectively formed at the position corresponding with two outdoor fans 40.Rectangular when each air outlet 26 is formed as overlooking, the mesh-shape grid 24a that each air outlet 26 is formed rectangle covers.Specifically, top board 24 is formed than upper surface more toward recessed installation surface, this installation surface is used for arranging grid 24a.Therefore, under the state being arranged on top board 24 by grid 24a, grid 24a and the screw for installing this grid 24a can not be given prominence to more towards the top than the upper surface of top board 24.
As shown in Figure 2 to 4, above-mentioned outdoor heat converter 30 is Gilled heat exchanger, consists of and makes outdoor air and cold-producing medium carry out heat exchange.That is, outdoor heat converter 30 runs through plate-shaped fins by many heat-transfer pipes be arranged above and below and forms.Outdoor heat converter 30 is the bending rear formation squarely at three places of four sides 4 of heat-transfer pipe 32 along casing 20.That is, above-mentioned outdoor heat converter 30 sets with state upright up and down, and this outdoor heat converter 30 is configured to have the bending-type heat exchanger (square tube shape heat exchanger) (with reference to Fig. 4) of four corresponding with four sides 4 of casing 20 respectively heat-exchange surface 30a.
Mark off Machine Room 8 in the inside of outdoor heat converter 30, this Machine Room 8 is in order to arrange the mechanical equipments such as compressing mechanism 50, gs-oil separator 51 and reservoir 52.These compressing mechanisms 50, gs-oil separator 51 and reservoir 52 are arranged on above-mentioned underframe 22, and compression mechanism 50 is made up of two compressor 5a, 5b.
Two heat-exchange surface 30a of the pillar 21a of in four heat-exchange surface 30a of outdoor heat converter 30, in four pillars 21 front side left corner are formed with respectively opening 3a, 3a (with reference to Fig. 2, Fig. 4).These two openings 3a, 3a form the guarantee opening of the mechanical equipment in casing 20.Outdoor heat converter 30 two ends forming this opening 3a are provided with tube sheet 31, and this tube sheet 31 is for being fixed on casing 20 by outdoor heat converter 30.
As shown in Figure 1, in said machine casing 20, each opening 3a corresponding to outdoor heat converter 30 is provided with above-mentioned leading flank panel 23b and left surface panel 23c.Leading flank panel 23b and left surface panel 23c forms the downside panel being arranged on casing 20 bottom.Leading flank panel 23b and left surface panel 23c is arranged on pillar 21a, and each opening 3a, 3a can be opened, closes.
Before the casing 20 being provided with the opening 3a of above-mentioned outdoor heat converter 30, side becomes the scope of operation, and the part of taking off leading flank panel 23b later becomes open surface.The opening 3a opened wide after taking off this leading flank panel 23b becomes when installing aftermentioned heater 75 for the operation opening that heater 75 passes through.
Said machine casing 20 is provided with stay (stay) 20a, 20b, 20c, 20d of extending in the horizontal direction on four faces, these stays 20a, 20b, 20c, 20d be used for receiving room outer heat-exchanger 30 lower space 2a and be used for receiving room external fan 40 upper space 2b between.
Above-mentioned outdoor fan 40 is provided with two, and these outdoor fans 40 possess fan main body 41, fan motor (not shown) and horn 43, and are arranged on above-mentioned stay 20a, 20c.
Electrical equipment unit 60 is installed in said machine casing 20, is housed in this electrical equipment unit 60 for the electrical equipment controlling compressing mechanism 50 grade.This electrical equipment unit 60 to be placed in before outdoor heat converter 30 top, from outdoor heat converter 30 upper end very close to, and between the horn 43 being arranged on upper side panel 23a and outdoor fan 40.
The compression cover covering compression mechanism 50 is arranged on above-mentioned underframe 22.This compression cover is arranged as the sound proof box of the noise that the vibration being used for reducing compressing mechanism 50 causes.
Underframe 22 is also formed the drainage channel 71 (with reference to Fig. 4) for being discharged by the condensed water of outdoor heat converter 30.Lower position on underframe 22, outdoor heat converter 30 is formed with many (being five in the present embodiment) drainage channels 71.
As shown in Figure 5, each drainage channel 71 is formed in the mode forming groove on underframe 22.Groove has bottom 71a and rake 71b, and bottom this, 71a extends along outdoor heat converter 30, and the both sides place of this rake 71b 71a bottom this extends along bottom 71a.The bottom 71a of each drainage channel 71 is formed multiple osculum 72.Each drainage channel 71 is also formed multiple setting table 73 for arranging outdoor heat converter 30.
Each setting table 73 is formed in the mode forming protuberance on drainage channel 71.Protuberance has platform portion 73a and sidepiece 73b, and this 73a is formed as in flat condition and arranges for outdoor heat converter 30, and this sidepiece 73b is formed extended at both sides as taper from this 73a towards drainage channel 71.The platform portion 73a of each setting table 73 is formed with multiple osculum 74.
Above-mentioned outdoor heat converter 30 is fixed on casing 20 in the following manner, that is: under the state of placing on the platform portion 73a of above-mentioned each setting table 73, utilize screw to be fixed on by the tube sheet 31 being located at two ends and comprise on the casing 20 of underframe 22.
As shown in Figure 4, Figure 5, this outdoor unit 10 is provided with heater 75, and this heater 75 heats, and the condensed water preventing above-mentioned drainage channel 71 from catching freezes.Heater 75 is formed as rectangular box-like along the bottom of four heat-exchange surface 30a of outdoor heat converter 30.
Specifically, as shown in Figure 5, heater 75 is arranged on: by the position in the inner part folded by part of the rake 71b in the inner part of the drainage channel 71 and tapered sides 73b of setting table 73.As shown in Figure 6, heater 75 has the first heating element heater 76 and these two heating element heaters of the second heating element heater 77.That is, heater 75 is configured to be divided into the segmentation of two heating element heaters to construct.
The heat-exchange surface 30a that first heating element heater 76 forms left surface and the back side in four heat-exchange surface 30a of outdoor heat converter 30 is formed as L-shaped.On the other hand, the second heating element heater 77 forms the back side, right flank and heat-exchange surface 30a above and is formed as U-shaped in four heat-exchange surface 30a of outdoor heat converter 30.
First heating element heater 76 has main part 76a and end 76b.This main part 76a is L-shaped.This end 76b is connected with this main part 76a, and the plane extended from this main part 76a bends upward.On the other hand, the second heating element heater 77 has main part 77a and end 77b.This main part 77a is U-shaped.This end 77b is connected with this main part 77a, and the plane extended from this main part 77a bends upward.Wherein linking together with cross-over connection wiring 78 between side end 76b, a 77b of first heating element heater 76 and the second heating element heater 77, and the first heating element heater 76 is connected to on end side 76b, the 77b of the second heating element heater 77 wire 79 be connected with power connector 80.
As described above, the first heating element heater 76 and the second heating element heater 77 are linked together by each wiring 78,79, thus heater 75 is formed as rectangular box-like.In addition, the first heating element heater 76 and the second heating element heater 77 are linked together by each wiring 78,79 in the mode arranged along the length direction of heater 75, thus heater 75 is configured to turn down in the longitudinal direction.That is, because each wiring 78,79 can bend, therefore respectively connect up 78,79 formation folding portions 70, and by bending this folding portion 70, heater 75 itself alongst can be turned down is two sections.
-working condition-
When the outdoor unit 10 of this aircondition operates, compressing mechanism 50 is work just, and cold-producing medium carries out kind of refrigeration cycle at the refrigerant loop Inner eycle be formed between this outdoor unit 10 and not shown indoor units.In the casing 20 of outdoor unit 10, outdoor fan 40 rotates, and to suck outdoor air in casing 20 by outdoor heat converter 30 by the air entry 25 of the latter half being formed in casing 20 from four sides.Heat exchange is carried out with the cold-producing medium flowed in outdoor heat converter 30 by the outdoor air of outdoor heat converter 30, when carrying out heating running, this outdoor air in as the outdoor heat converter 30 of evaporimeter cooled dose seize its heat and be cooled, when carrying out cooling operation, this outdoor air is captured heat from cold-producing medium in as the outdoor heat converter 30 of condenser and is heated.Then, outdoor air is further by outdoor fan 40, and flow direction becomes upward, from air outlet 26 towards outdoor blowout.
-the discharge work of condensed water-
When above-mentioned aircondition carries out heating running, in outdoor unit 10, prevent the condensed water of outdoor heat converter 30 from freezing to heater 75 energising.After the condensed water of outdoor heat converter 30 drips downward, the drainage channel 71 be formed on underframe 22 is caught.Partial condensation water flows in drainage channel 71 via the osculum 74 in the setting table 73 arranged for outdoor heat converter 30.Now, owing to having led to electricity to heater 75, the condensed water therefore in drainage channel 71 has been heated, thus prevents condensed water to freeze.Condensed water in drainage channel 71 is outside discharged to casing 20 via the osculum 72 be formed in drainage channel 71.
In addition, in the present embodiment, be when carrying out heating running, heater 75 is energized.But, also can be, when outside air temperature is energized to heater 75 lower than during set point of temperature, can also be all heater 75 is energized when carrying out any one running in other operation mode.
-installment work of heater-
Below, to rear mounting heater 75 or when carrying out the guarantee of heater 75, be not described toward the action of mounting heater 75 in casing 20 with pulling down various mechanical component.
First, the leading flank panel 23b sealing casing 20 opening 3a is pulled down.Then, being turned down along its length by heater 75 by bending wiring 78,79 is two sections, and heater 75 is inserted into inside outdoor heat converter 30 by the opening 3a of casing 20.Afterwards, in the inner side of outdoor heat converter 30, launched by the heater 75 of doubled state, this heater 75 is arranged in the bottom along this outdoor heat converter 30.Then, not shown installing plate is utilized to carry out mounting heater 75.
-effect of the first embodiment-
According to above-mentioned embodiment, be configured to alongst to turn down owing to being provided with folding portion 70 on rectangular box-like heater 75, therefore, when outdoor unit 10 mounting heater 75 of past refrigerating plant, from the opening 3a be formed in outdoor heat converter 30 side, this heater 75 can be inserted inside this outdoor heat converter 30 under the state after alongst turnover.Thus, even if the opening 3a be formed on outdoor heat converter 30 side is narrower, also easily heater 75 can be inserted into inside outdoor heat converter 30 not being stuck under the state on outdoor heat converter 30.After being inserted into inside outdoor heat converter 30, the heater 75 after turnover is launched, just can not to be stuck under the state on outdoor heat converter 30 along the bottom of outdoor heat converter 30 easily mounting heater 75.That is, the outdoor unit heater of refrigerating plant can be configured to the form of easily installing.
According to above-mentioned embodiment, heater 75 is configured to: possess the first heating element heater 76 and the second heating element heater 77 alongst arranged, the wiring 78,79 connecting this first heating element heater 76 and the second heating element heater 77 becomes folding portion 70.Thereby, it is possible to formed the heater 75 that can alongst turn down with simple structure.
According to above-mentioned embodiment, make the first heating element heater 76 with in the second heating element heater 77, end 76b, 77b of being connected with the wiring 78,79 becoming folding portion 70 be formed as: main part 76a, 77a of arranging relative to the underframe 22 along casing 20 bend upward.Thereby, it is possible to make heater 75 be configured to: when underframe 22 mounting heater 75 of past outdoor unit 10, condensed water can not be attached in the wiring 78,79 of connection first heating element heater 76 and the second heating element heater 77.
According to above-mentioned embodiment, by using the heater 75 being configured to alongst to turn down, can the inner side under the state on the outdoor heat converter 30 with four heat-exchange surface 30a, heater 75 being inserted into outdoor heat converter 30 be stuck in, thus this heater 75 is being installed on outdoor unit 10.
In the outdoor unit 10 of above-mentioned embodiment, inside outdoor heat converter 30, be provided with compressor 5a, 5b.When toward so outdoor unit 10 mounting heater 75, heater 75 just may not be stuck on outdoor heat converter 30, and also may be stuck on compressor 5a, the 5b inside outdoor heat converter 30, therefore installment work quite bothers.But, in the above-described embodiment, so outdoor unit 10 is provided with to the heater 75 that can alongst turn down as described above.Thus, by this heater 75 being inserted into inside outdoor heat converter 30 from the opening 3a be formed in outdoor heat converter 30 side under the state after turnover heater 75, can easily avoid contacting with compressor 5a, 5b in limit, limit easily arranges heater 75 along the bottom of outdoor heat converter 30.
(other embodiment)
Above-mentioned embodiment can also adopt the structure of the following stated.
In the above-described embodiment, heater 75 is configured to have two heating element heaters 76,77 of being connected by wiring 78,79 and can alongst rolls over is two sections, but also can be configured to roll over be three sections or folding is four sections.
The layout of the refrigerant return device in above-mentioned embodiment is an example, can do suitable change to the layout of refrigerant return device.Such as, also can be not furnished with compressor 5a, 5b etc. in the inner side of outdoor heat converter 30.
It should be noted that, above embodiment is preferred example in essence, does not limit the intention of the present invention, its application thing or its purposes scope.
-industrial applicability-
As mentioned above, the present invention is very useful for the outdoor unit of the heater being used for preventing condensed water from freezing and the refrigerating plant that possesses this heater.
-symbol description-
4 sides
5a, 5b compressor
10 outdoor units
20 casings
22 underframe (base plate)
30 outdoor heat converters
30a heat-exchange surface
70 folding portions
75 heaters
76 first heating element heaters
76a main part
76b end
77 second heating element heaters
77a main part
77b end
78 cross-over connections wiring (wiring)
79 wires (wiring)
Claims (5)
1. a heater, it freezes for preventing the condensed water of the outdoor heat converter (30) in the outdoor unit (10) of refrigerating plant, the outdoor unit (10) of this refrigerating plant possesses casing (20) and above-mentioned outdoor heat converter (30), this casing (20) has four sides (4), this outdoor heat converter (30) has and is arranged in this casing (20) and four heat-exchange surfaces (30a) corresponding with each side (4) of this casing (20), the side of this outdoor heat converter (30) is formed with opening (3a), it is rectangular box-like that above-mentioned heater is formed as along above-mentioned outdoor heat converter (30) bottom, it is characterized in that:
Above-mentioned heater has the folding portion (70) turned down along the length direction of this heater by this heater.
2. heater according to claim 1, is characterized in that:
The first heating element heater (76) that above-mentioned heating appliances is standby alongst to be arranged and the second heating element heater (77),
Above-mentioned folding portion (70) is made up of the wiring (78,79) connecting above-mentioned first heating element heater (76) and above-mentioned second heating element heater (77).
3. heater according to claim 2, is characterized in that:
Above-mentioned first heating element heater (76) and above-mentioned second heating element heater (77) have main part (76a, 77a) and end (76b, 77b) respectively, this main part (76a, 77a) extends along the base plate (22) of said machine casing (20), this end (76b, 77b) is formed as bending upward relative to this main part (76a, 77a), and above-mentioned wiring (78,79) is connected with this end (76b, 77b).
4. an outdoor unit for refrigerating plant, is characterized in that the heater (75) possessed described in any one in Claim 1-3.
5. the outdoor unit of refrigerating plant according to claim 4, is characterized in that:
The outdoor unit of above-mentioned refrigerating plant possesses the compressor (5a, 5b) being arranged on above-mentioned outdoor heat converter (30) inner side.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-271295 | 2011-12-12 | ||
JP2011271295A JP5218629B2 (en) | 2011-12-12 | 2011-12-12 | Heater and outdoor unit of refrigeration apparatus provided with the same |
PCT/JP2012/007949 WO2013088713A1 (en) | 2011-12-12 | 2012-12-12 | Heater and outdoor unit for refrigeration unit provided with heater |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103988026A CN103988026A (en) | 2014-08-13 |
CN103988026B true CN103988026B (en) | 2015-09-02 |
Family
ID=48612187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280058436.5A Active CN103988026B (en) | 2011-12-12 | 2012-12-12 | Heater and possess the outdoor unit of refrigerating plant of this heater |
Country Status (7)
Country | Link |
---|---|
US (1) | US20140298844A1 (en) |
EP (1) | EP2792955B1 (en) |
JP (1) | JP5218629B2 (en) |
KR (1) | KR101428444B1 (en) |
CN (1) | CN103988026B (en) |
AU (1) | AU2012353915B2 (en) |
WO (1) | WO2013088713A1 (en) |
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FR3024222A1 (en) * | 2014-07-25 | 2016-01-29 | Chauffage Soc Ind De | SYSTEM FOR MANAGING LIQUID CONDENSATES OF A HEAT EXCHANGER |
KR20160031230A (en) * | 2014-09-12 | 2016-03-22 | 엘지전자 주식회사 | An outdoor unit for a an air conditioner |
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US20160178290A1 (en) * | 2014-12-17 | 2016-06-23 | Lg Electronics Inc. | Outdoor device for an air conditioner |
KR102302546B1 (en) * | 2014-12-31 | 2021-09-15 | 엘지전자 주식회사 | Outdoor unit of air conditioner |
KR102283537B1 (en) * | 2015-01-05 | 2021-07-29 | 엘지전자 주식회사 | Outdoor unit of air conditioner and manufacture method |
JP6388734B2 (en) * | 2015-12-18 | 2018-09-12 | 三菱電機株式会社 | Outdoor unit of refrigeration cycle equipment |
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WO2018100601A1 (en) * | 2016-11-29 | 2018-06-07 | 三菱電機株式会社 | Air conditioner outdoor unit, and air conditioner provided with same |
KR102094901B1 (en) * | 2016-12-26 | 2020-04-23 | 엘지전자 주식회사 | An outdoor unit for a an air conditioner |
CN107327968A (en) * | 2017-06-29 | 2017-11-07 | 北京小米移动软件有限公司 | Air-conditioner outdoor unit |
JP6531795B2 (en) * | 2017-07-31 | 2019-06-19 | ダイキン工業株式会社 | Outdoor unit of refrigeration system |
US11248808B2 (en) * | 2017-09-14 | 2022-02-15 | Mitsubishi Electric Corporation | Outdoor unit of air-conditioning apparatus |
US11435093B2 (en) * | 2017-12-26 | 2022-09-06 | Gree Electric Appliances (Wuhan) Co., Ltd. | Air-conditioning outdoor device and air conditioner unit |
JP6673375B2 (en) * | 2018-01-31 | 2020-03-25 | ダイキン工業株式会社 | Air conditioner outdoor unit |
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US10801740B2 (en) * | 2018-08-31 | 2020-10-13 | Gree Electric Appliances, Inc. Of Zhuhai | Embedded type air conditioner outdoor unit and an air conditioner |
US11802695B2 (en) | 2019-01-18 | 2023-10-31 | Mitsubishi Electric Corporation | Outdoor unit of air-conditioning apparatus |
JP7433768B2 (en) * | 2019-02-01 | 2024-02-20 | 東芝キヤリア株式会社 | Outdoor unit of refrigeration cycle equipment |
JP6881550B2 (en) * | 2019-11-06 | 2021-06-02 | ダイキン工業株式会社 | Heat exchanger |
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- 2012-12-12 KR KR1020147018993A patent/KR101428444B1/en active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
US20140298844A1 (en) | 2014-10-09 |
AU2012353915B2 (en) | 2014-09-25 |
JP2013122351A (en) | 2013-06-20 |
AU2012353915A1 (en) | 2014-07-17 |
EP2792955B1 (en) | 2016-11-30 |
KR20140093755A (en) | 2014-07-28 |
CN103988026A (en) | 2014-08-13 |
EP2792955A4 (en) | 2015-12-02 |
EP2792955A1 (en) | 2014-10-22 |
WO2013088713A1 (en) | 2013-06-20 |
KR101428444B1 (en) | 2014-08-07 |
JP5218629B2 (en) | 2013-06-26 |
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