CN103988026A - Heater and outdoor unit for refrigeration unit provided with heater - Google Patents
Heater and outdoor unit for refrigeration unit provided with heater Download PDFInfo
- Publication number
- CN103988026A CN103988026A CN201280058436.5A CN201280058436A CN103988026A CN 103988026 A CN103988026 A CN 103988026A CN 201280058436 A CN201280058436 A CN 201280058436A CN 103988026 A CN103988026 A CN 103988026A
- Authority
- CN
- China
- Prior art keywords
- heater
- heat converter
- outdoor heat
- mentioned
- outdoor
- 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.)
- Granted
Links
- 238000005057 refrigeration Methods 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims description 56
- 238000005452 bending Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000007306 turnover Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression 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
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
An outdoor unit (10) is provided with: a casing (20) having four sides (4); and an outdoor heat exchanger (30) that is disposed inside the casing (20), has four heat exchanging surfaces (30a) corresponding to each side (4) of said casing (20), and has an opening (3a) formed on the sides. A heater (75), which is formed in the shape of a rectangular frame along the lower end of the outdoor heat exchanger (30) of the outdoor unit (10), for preventing drain water in the outdoor heat exchanger (30) from freezing is provided with folded sections (70) for folding the heater (75) in the longitudinal direction.
Description
Technical field
The outdoor unit that the present invention relates to a kind of heater and a kind of refrigerating plant, this heater is used for preventing condensate freezes, 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 (for example, with reference to following patent documentation 1) in order to prevent the condensate freezes of outdoor heat converter.In patent documentation 1, on off-premises station base, be provided with heater, this heater is positioned at the below of outdoor heat converter.The outdoor heat converter that heater is L font when overlooking is formed as L font frame shape.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 on off-premises station base condensation water hole discharge outwardly.
Patent documentation 1: Japanese Laid-Open Patent Publication JP 2004-69220 communique
Summary of the invention
-invention to solve technical problem-
But, in above-mentioned outdoor heat converter, having and there are four outdoor heat converters (being designated hereinafter simply as " four sides heat exchanger ") that heat-exchange surface is such in order to increase heat exchange area, these four heat-exchange surfaces are corresponding with four sides of casing.In the situation that thering is this outdoor heat converter, form along this outdoor heat converter for the heater of the condensate freezes that prevents this outdoor heat converter, and become rectangular box-like.Have along the heater of the shape of four sides heat exchanger with regard to this, for example, while wanting mounting heater because of reasons such as rear installation, guarantees, this heater likely can be stuck on the heat exchanger of four sides, and therefore installment work quite bothers.
The present invention completes in view of the problems referred to above, and its object is to make the outdoor unit heater of refrigerating plant to be configured to the kenel of easy installation.
-in order to the technical scheme of technical solution problem-
The invention of first aspect is a kind of heater, it is for preventing the condensate freezes of outdoor heat converter 30 of 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 the heat-exchange surface 30as corresponding with each side 4 of this casing 20, on the side of this outdoor heat converter 30, be formed with opening 3a, above-mentioned heater is formed as rectangular box-like along above-mentioned outdoor heat converter 30 bottoms, this heater is characterised in that: above-mentioned heater has the folding portion 70 that alongst turns down use.
In the invention of first aspect, the rectangular box-like heater 75 arranging along outdoor heat converter 30 bottoms has the folding portion 70 turning down for alongst, the outdoor unit 10 of refrigerating plant has four heat-exchange surface 30a, on the side of the outdoor unit 10 of refrigerating plant, is formed with opening 3a.Thus, heater 75 is configured to and can alongst turns down by turnover folding portion 70, under the state of heater 75 after turnover, inserts outdoor heat converter 30 inner sides and arranges along the bottom of outdoor heat converter 30 from the opening 3a being formed on outdoor heat converter 30 sides.
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 of alongst arranging of above-mentioned heating appliances, above-mentioned folding portion 70 is made up of the wiring 78,79 that connects above-mentioned the first heating element heater 76 and above-mentioned the 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 that connects two heating element heaters 76,77.That is to say, because wiring 78,79 can bend, therefore connect up 78,79 by bending, can alongst turn down heater 75.
The invention of the third aspect is such: in the invention of second aspect, above-mentioned the first heating element heater 76 and above-mentioned the second heating element heater 77 have respectively main part 76a, 77a and end 76b, 77b, this main part 76a, 77a extend along the base plate 22 of said machine casing 20, this end 76b, 77b are formed as bending towards top with respect 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, become the first heating element heater 76 that the wiring 78,79 of folding portion 70 connects and end 76b, the 77b of the second heating element heater 77 and be formed as bending towards top with respect to the main part 76a, the 77a that extend along casing 20 base plates 22.Thus, after main part 76a, the 77a of the first heating element heater 76 and the second heating element heater 77 being installed on the base plate 22 of the casing 20 of outdoor unit 10, wiring 78,79 end 76b, the 77b that connect become the state erecting towards top from base plate 22.That is to say, owing to connecting the wiring 78,79 of the first heating element heater 76 and the second heating element heater 77 and be 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 3rd.
In the invention of fourth aspect, under the state of heater 75 after alongst turnover, be inserted into the inner side of outdoor heat converter 30 from the opening 3a being formed on the side of the outdoor heat converter 30 with four heat-exchange surface 30a, and be installed on outdoor unit 10 along the bottom of this outdoor heat converter 30 after launching in the inner side of this outdoor heat converter 30.
The invention of the 5th aspect is such: in the invention of fourth aspect, the outdoor unit of above-mentioned refrigerating plant possesses the compressor 5a, the 5b that are arranged on above-mentioned outdoor heat converter 30 inner sides.
In invention aspect the 5th, under the state of heater 75 after alongst turnover, avoid after compressor 5a, 5b limit be inserted into the inner side of outdoor heat converter 30 from being formed on opening 3a limit on the side of the outdoor heat converter 30 with four heat-exchange surface 30a, heater 75 launches and compressor 5a, 5b is enclosed in to 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 and can alongst turn down owing to being provided with folding portion 70 on rectangular box-like heater 75, therefore when toward outdoor unit 10 mounting heater 75 of refrigerating plant, can under the state after alongst turnover, from the opening 3a being formed on outdoor heat converter 30 sides, this heater 75 be inserted to this outdoor heat converter 30 inner sides.Thus, even if it is narrower to be formed on opening 3a on outdoor heat converter 30 sides, also can under the state not being stuck on outdoor heat converter 30, easily heater 75 be inserted into outdoor heat converter 30 inner sides.After being inserted into outdoor heat converter 30 inner sides, the heater 75 after turnover is launched, just can be under the state not being stuck on outdoor heat converter 30 along the easily mounting heater 75 of bottom of outdoor heat converter 30.That is to say, the outdoor unit of refrigerating plant can be configured to the form of easy installation with heater.
According to the invention of second aspect, can form the heater 75 that can alongst turn down with simple structure.
According to the invention of the third aspect, because end 76b, the 77b of the first heating element heater 76 that the wiring 78,79 that becomes folding portion 70 is connected and the second heating element heater 77 are formed as bending towards top with respect to the main part 76a, the 77a that extend along casing 20 base plates 22, therefore can make heater 75 be configured to: in the time heater 75 being installed on the base plate 22 toward outdoor unit 10, condensed water can not be attached in the wiring 78,79 that connects the first heating element heater 76 and the second heating element heater 77.
According to the invention of fourth aspect, be configured to the heater 75 that can alongst turn down by use, can heater 75 be inserted into the inner side of outdoor heat converter 30 under the state not being stuck on the outdoor heat converter 30 with four heat-exchange surface 30a, thereby this heater 75 is installed on outdoor unit 10.
According to the invention of the 5th aspect, the outdoor unit that is provided with compressor 5a, 5b in outdoor heat converter 30 inner sides is provided with to above-mentioned heater 75.In the time of the outdoor unit mounting heater 75 toward such, heater 75 just may not be stuck on outdoor heat converter 30, and compressor 5a, the 5b that also may be stuck in outdoor heat converter 30 inner sides are upper, and therefore installment work quite bothers.But, in the invention aspect 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 outdoor heat converter 30 inner sides from the opening 3a being formed on outdoor heat converter 30 sides 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.
Brief description of the drawings
Fig. 1 is the stereogram that the face shaping of the outdoor unit of the related aircondition of first embodiment of the invention is shown.
Fig. 2 is in-built the first stereogram that the outdoor unit in Fig. 1 is shown.
Fig. 3 is in-built the second stereogram that the outdoor unit in Fig. 1 is shown.
Fig. 4 mainly illustrates the underframe of the outdoor unit in Fig. 1 and the stereogram of heater.
Fig. 5 is the cutaway view while cutting open along the A-A line in Fig. 4.
Fig. 6 is the stereogram that the structure of 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 circulation, but this does not illustrate out.
The roof that above-mentioned outdoor unit 10 is arranged on for example 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, forms underframe 22, side panel 23 and the plane top board 24 of base plate.That is to say, between the top board 24 of casing 20 and underframe 22, 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.Lower end at the left and right of front side pillar 21,21 is connected with footing 27, is also connected with footing 27 in the lower end of the left and right of rear side pillar 21.Each footing 27 extends out towards below from underframe 22.So, just each footing 27 can be arranged on to four corners of plane top board 24 or the upper end of pillar 21 of other casing 20, thereby many outdoor units 10 can be piled up to setting up and down.Under this state, just can between plane top board 24 and underframe 22, guarantee the gap of regulation.
As shown in Figure 1, above-mentioned side panel 23 possesses: upper side panel 23a, the leading flank panel 23b of left-half above of the latter half of formation casing 20 and the left surface panel 23c of the left surface first half of the latter half of formation casing 20 that form four faces of the first half of casing 20.In the side of said machine casing 20, that is to say, be formed with air entry 25 at right flank, the back side of the latter half and the left surface latter half of the latter half of right half part, the latter half above of the latter half.
Four upper side panel 23a are arranged on every pillar 21 and surround outdoor fan 40.Be formed with the upper space 2b (with reference to Fig. 2, Fig. 3) for receiving two outdoor fans 40 in the inside of upper side panel 23a.
Above-mentioned top board 24 is fixed on the upper end of pillar 21, is formed with two air outlets 26 on this top board 24.Two air outlets 26 are respectively formed at and two positions that outdoor fan 40 is corresponding.Rectangular when each air outlet 26 is formed as overlooking, the mesh-shape grid 24a that each air outlet 26 is formed rectangle covers.Particularly, be formed with than the more past recessed installation surface in upper surface on top board 24, this installation surface is used for arranging grid 24a.Therefore, grid 24a is being arranged under the state on top board 24 to grid 24a and can be more outstanding towards top than the upper surface of top board 24 for the screw that this grid 24a is installed.
As shown in Figure 2 to 4, above-mentioned outdoor heat converter 30 is Gilled heat exchanger, and it is configured to and makes outdoor air and cold-producing medium carry out heat exchange.That is to say, outdoor heat converter 30 runs through plate-shaped fins by many heat-transfer pipes that are being arranged above and below and forms.Outdoor heat converter 30 is four sides 4 at the three places squarely bending rear formation of heat-transfer pipe 32 along casing 20.That is to say, above-mentioned outdoor heat converter 30 sets with upright up and down state, and this outdoor heat converter 30 is configured to the bending-type heat exchanger (square tube shape heat exchanger) (with reference to Fig. 4) with four corresponding with four sides 4 of casing 20 respectively heat-exchange surface 30a.
Go out Machine Room 8 in the internal separation 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 above-mentioned compressor structure 50 is made up of two compressor 5a, 5b.
On two heat-exchange surface 30a of the pillar 21a of front side left corner in four heat-exchange surface 30a of outdoor heat converter 30, in four pillars 21, be formed with respectively opening 3a, 3a (with reference to Fig. 2, Fig. 4).These two opening 3a, 3a form the guarantee opening of the mechanical equipment in casing 20.On outdoor heat converter 30 two ends that form this opening 3a, be provided with tube sheet 31, 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, be provided with above-mentioned leading flank panel 23b and left surface panel 23c corresponding to each opening 3a of outdoor heat converter 30.Leading flank panel 23b and left surface panel 23c form the downside panel that is arranged on casing 20 bottoms.It is upper that leading flank panel 23b and left surface panel 23c are arranged on pillar 21a, and each opening 3a, 3a can be opened, close.
A side above that is provided with the casing 20 of the opening 3a of above-mentioned outdoor heat converter 30 becomes the scope of operation, and taking off the later part of leading flank panel 23b becomes open surface.After taking off this leading flank panel 23b, unlimited opening 3a becomes the operation opening passing through for heater 75 when aftermentioned heater 75 is installed.
Said machine casing 20 is provided with stay (stay) 20a, 20b, 20c, the 20d that along continuous straight runs extends on four faces, these stays 20a, 20b, 20c, 20d be used for receiving room outer heat-exchanger 30 lower space 2a and be used between the upper space 2b of receiving room external fan 40.
Above-mentioned outdoor fan 40 is provided with two, and these outdoor fans 40 possess fan main body 41, fan motor (not shown go out) and horn-like parts 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 controlling the electrical equipment of compressing mechanism 50 grades.This electrical equipment unit 60 be placed in the top above of outdoor heat converter 30, from the upper end of outdoor heat converter 30 very close to, and be arranged between upper side panel 23a and the horn-like parts 43 of outdoor fan 40.
The compression cover that covers above-mentioned compressor structure 50 is arranged on above-mentioned underframe 22.The sound proof box setting of the noise that this compression cover causes as the vibration that is used for reducing compressing mechanism 50.
On underframe 22, be also formed with the drainage channel 71 (with reference to Fig. 4) for the condensed water of outdoor heat converter 30 is discharged.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 that mode to form groove on underframe 22 forms.Groove has bottom 71a and rake 71b, and this bottom 71a extends along outdoor heat converter 30, and this rake 71b extends along bottom 71a at the both sides place of this bottom 71a.On the 71a of the bottom of each drainage channel 71, be formed with multiple osculums 72.On each drainage channel 71, be also formed with multiple for the setting table 73 of outdoor heat converter 30 is set.
Each setting table 73 is that the mode to form protuberance on drainage channel 71 forms.Protuberance has the 73a of platform portion and sidepiece 73b, and the 73a of this is formed as being flat condition and arranges for outdoor heat converter 30, and this sidepiece 73b is formed extended at both sides as taper towards drainage channel 71 from the 73a of this.On the 73a of platform portion of each setting table 73, be formed with multiple osculums 74.
Above-mentioned outdoor heat converter 30 is to be fixed in the following manner on casing 20, that is: under the state on the 73a of platform portion putting in above-mentioned each setting table 73, utilize screw that the tube sheet 31 that is located at two ends is fixed on and comprises underframe 22 on interior casing 20.
As shown in Figure 4, Figure 5, be provided with heater 75 at this outdoor unit 10, this heater 75 heats, and prevents the condensate freezes that above-mentioned drainage channel 71 is caught.Heater 75 is formed as rectangular box-like along the bottom of four heat-exchange surface 30a of outdoor heat converter 30.
Particularly, as shown in Figure 5, heater 75 is arranged on: by the folded position of part in the inner part of the rake 71b in the inner part of drainage channel 71 and the tapered sides 73b of setting table 73.As shown in Figure 6, heater 75 has the first heating element heater 76 and second heating element heater 77 these two heating element heaters.That is to say, heater 75 is configured to the structure of cutting apart that is divided into two heating element heaters.
The first heating element heater 76 is formed as L font along the heat-exchange surface 30a that forms left surface and the back side in four heat-exchange surface 30a of outdoor heat converter 30.On the other hand, the second heating element heater 77 is formed as U font along forming the back side, right flank and heat-exchange surface 30a above in four heat-exchange surface 30a of outdoor heat converter 30.
The first heating element heater 76 has main part 76a and end 76b.This main part 76a is L font.This end 76b is connected with this main part 76a, and the plane of extending from this main part 76a bends towards top.On the other hand, the second heating element heater 77 has main part 77a and end 77b.This main part 77a is U font.This end 77b is connected with this main part 77a, and the plane of extending from this main part 77a bends towards top.Wherein linking together with cross-over connection wiring 78 between a side end 76b, 77b of the first heating element heater 76 and the second heating element heater 77, and be connected with respectively the wire 79 being connected with power connector 80 on end side 76b, the 77b of the first heating element heater 76 and the second heating element heater 77.
As described above, the first heating element heater 76 and the second heating element heater 77 are linked together by each wiring 78,79, rectangular box-like thereby heater 75 is formed as.In addition, the mode that the first heating element heater 76 and the second heating element heater 77 are arranged with the length direction along heater 75 is linked together by each wiring 78,79, thereby heater 75 is configured to and can turns down in the longitudinal direction.That is to say, because each wiring 78,79 can bend, 78, the 79 formation folding portions 70 that therefore respectively connect up, by bending this folding portion 70, heater 75 alongst can be turned down itself is two sections.
-working condition-
In the time that the outdoor unit 10 of this aircondition turns round, compressing mechanism 50 is work just, cold-producing medium be formed at this outdoor unit 10 and not shown go out indoor units between refrigerant loop in circulation and carry out kind of refrigeration cycle.In the casing 20 of outdoor unit 10, outdoor fan 40 rotates, and passes through outdoor heat converter 30 by the air entry 25 of the latter half that is formed on casing 20 on four sides from the outdoor air sucking in casing 20.Carry out heat exchange by the outdoor air of outdoor heat converter 30 and cold-producing medium mobile in outdoor heat converter 30, in the time heating running, this outdoor air in the outdoor heat converter 30 as evaporimeter cooled dose seize its heat and be cooled, in the time carrying out cooling operation, this outdoor air is captured heat and is heated from cold-producing medium in the outdoor heat converter 30 as condenser.Then, outdoor air is further by outdoor fan 40, and flow direction becomes upward, blows out towards outdoor from air outlet 26.
-the discharge work of condensed water-
In the time that above-mentioned aircondition heats running, in outdoor unit 10, to heater, 75 energisings prevent the condensate freezes of outdoor heat converter 30.The condensed water of outdoor heat converter 30 is after the drippage of below, and the drainage channel 71 being formed on underframe 22 is caught.Partial condensation water flows in drainage channel 71 via the osculum 74 in the setting table 73 arranging for outdoor heat converter 30.Now, due to heater 75 has been led to electricity, therefore the condensed water in drainage channel 71 is heated, thereby has prevented condensate freezes.Condensed water in drainage channel 71 is via being formed on osculum 72 in drainage channel 71 discharged to casing 20 outsides.
In addition in the present embodiment, be in the time heating running, heater 75 to be switched on.But, can be also in other operation mode, heater 75 is switched on during lower than set point of temperature when outside air temperature, can also be all heater 75 to be switched in the time carrying out any running.
-installment work of heater-
Below, to rear mounting heater 75 or while carrying out the guarantee of heater 75, do not pull down various mechanical components and describe toward the action of the interior mounting heater 75 of casing 20.
First, pull down the leading flank panel 23b that seals casing 20 opening 3a.Then, connect up 78,79 and heater 75 is turned down is along its length two sections by bending, make heater 75 be inserted into outdoor heat converter 30 inner sides by the opening 3a of casing 20.Afterwards, in the inner side of outdoor heat converter 30, the heater of doubled state 75 is launched, arrange this heater 75 along the bottom of this outdoor heat converter 30.Then, utilize not shown go out installing plate carry out mounting heater 75.
-effect of the first embodiment-
According to above-mentioned embodiment, be configured to and can alongst turn down owing to being provided with folding portion 70 on the heater 75 rectangular box-like, therefore when toward outdoor unit 10 mounting heater 75 of refrigerating plant, can under the state after alongst turnover, from the opening 3a being formed on outdoor heat converter 30 sides, this heater 75 be inserted to this outdoor heat converter 30 inner sides.Thus, even if it is narrower to be formed on opening 3a on outdoor heat converter 30 sides, also can under the state not being stuck on outdoor heat converter 30, easily heater 75 be inserted into outdoor heat converter 30 inner sides.After being inserted into outdoor heat converter 30 inner sides, the heater 75 after turnover is launched, just can be under the state not being stuck on outdoor heat converter 30 along the easily mounting heater 75 of bottom of outdoor heat converter 30.That is to say, the outdoor unit of refrigerating plant can be configured to the form of easy installation with heater.
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 that connects this first heating element heater 76 and the second heating element heater 77 becomes folding portion 70.Thus, can form the heater 75 that can alongst turn down with simple structure.
According to above-mentioned embodiment, the first heating element heater 76 is formed as: the main part 76a, the 77a that arrange with respect to the underframe 22 along casing 20 bend towards top with end 76b, 77b in the second heating element heater 77, that be connected with the wiring 78,79 that becomes folding portion 70.Thus, can make heater 75 be configured to: when toward underframe 22 mounting heater 75 of outdoor unit 10, condensed water can not be attached in the wiring 78,79 that connects the first heating element heater 76 and the second heating element heater 77.
According to above-mentioned embodiment, be configured to the heater 75 that can alongst turn down by use, can heater 75 be inserted into the inner side of outdoor heat converter 30 under the state not being stuck on the outdoor heat converter 30 with four heat-exchange surface 30a, thereby this heater 75 is installed on outdoor unit 10.
In the outdoor unit 10 of above-mentioned embodiment, be provided with compressor 5a, 5b in outdoor heat converter 30 inner sides.In the time of outdoor unit 10 mounting heater 75 toward such, heater 75 just may not be stuck on outdoor heat converter 30, and compressor 5a, the 5b that also may be stuck in outdoor heat converter 30 inner sides are upper, and 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 outdoor heat converter 30 inner sides from the opening 3a being formed on outdoor heat converter 30 sides 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 has two heating element heaters 76,77 that connected by wiring 78,79 and can alongst to roll over be two sections, but also can be configured to, can to roll over be that three sections or folding are 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.For example, can be also in the inner side of outdoor heat converter 30, not to be furnished with compressor 5a, 5b etc.
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 for be used for preventing the heater of condensate freezes and possess this heater refrigerating plant outdoor unit of great use.
-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 connection wirings (wiring)
79 wires (wiring)
Claims (5)
1. a heater, it is for preventing the condensate freezes of outdoor heat converter (30) of 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), on the side of this outdoor heat converter (30), be formed with opening (3a), above-mentioned heater is formed as rectangular box-like along above-mentioned outdoor heat converter (30) bottom, it is characterized in that:
Above-mentioned heater has the folding portion (70) that alongst turns down use.
2. heater according to claim 1, is characterized in that:
Standby the first heating element heater (76) and the second heating element heater (77) of alongst arranging of above-mentioned heating appliances,
Above-mentioned folding portion (70) is made up of the wiring (78,79) that connects above-mentioned the first heating element heater (76) and above-mentioned the second heating element heater (77).
3. heater according to claim 2, is characterized in that:
Above-mentioned the first heating element heater (76) and above-mentioned the second heating element heater (77) have respectively main part (76a, 77a) and end (76b, 77b), this main part (76a, 77a) extends along the base plate (22) of said machine casing (20), this end (76b, 77b) is formed as bending towards top with respect 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 possessing the heater (75) described in any one in claim 1 to 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) that is arranged on above-mentioned outdoor heat converter (30) inner side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011271295A JP5218629B2 (en) | 2011-12-12 | 2011-12-12 | Heater and outdoor unit of refrigeration apparatus provided with the same |
| JP2011-271295 | 2011-12-12 | ||
| 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 true CN103988026A (en) | 2014-08-13 |
| CN103988026B 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2995874A3 (en) * | 2014-09-12 | 2016-03-23 | LG Electronics Inc. | Outdoor unit for air conditioner |
| CN105716162A (en) * | 2014-12-17 | 2016-06-29 | Lg电子株式会社 | Outdoor Device For An Air Conditioner |
| CN106196340A (en) * | 2014-12-17 | 2016-12-07 | Lg电子株式会社 | The off-premises station of air conditioner |
| US10077910B2 (en) | 2014-09-12 | 2018-09-18 | Lg Electronics Inc. | Outdoor device for an air conditioner |
| JP2020020574A (en) * | 2019-11-06 | 2020-02-06 | ダイキン工業株式会社 | Heat exchanger |
| CN111520824A (en) * | 2019-02-01 | 2020-08-11 | 东芝开利株式会社 | Outdoor unit of refrigeration cycle device |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5310829B2 (en) * | 2011-11-30 | 2013-10-09 | ダイキン工業株式会社 | Casing of outdoor unit in air conditioner |
| JP2014105954A (en) * | 2012-11-29 | 2014-06-09 | Mitsubishi Electric Corp | Outdoor unit of air conditioner |
| JP6004102B2 (en) | 2013-06-11 | 2016-10-05 | 新日鐵住金株式会社 | Hot stamp molded body and method for producing hot stamp molded body |
| JP5984782B2 (en) * | 2013-11-07 | 2016-09-06 | 三菱電機株式会社 | Air conditioner outdoor unit |
| CN106233078B (en) * | 2014-05-02 | 2019-05-31 | 东芝开利株式会社 | The outdoor unit of refrigerating circulatory device |
| FR3024216B1 (en) * | 2014-07-25 | 2022-02-25 | Soc Ind De Chauffage | COOLING, AIR CONDITIONING OR HEATING SYSTEM WITH SEPARATE UNITS AND BOX CONTAINING ONE OF THE UNITS |
| FR3024222A1 (en) * | 2014-07-25 | 2016-01-29 | Chauffage Soc Ind De | SYSTEM FOR MANAGING LIQUID CONDENSATES OF A HEAT EXCHANGER |
| JP6371688B2 (en) * | 2014-11-21 | 2018-08-08 | ヤンマー株式会社 | heat pump |
| 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 |
| JP6495860B2 (en) * | 2016-04-21 | 2019-04-03 | ダイキン工業株式会社 | Heat source unit |
| EP3354994B1 (en) * | 2016-11-29 | 2019-07-10 | Mitsubishi Electric Corporation | 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 |
| CN111051782B (en) * | 2017-09-14 | 2021-07-06 | 三菱电机株式会社 | Outdoor unit of air conditioner |
| 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 |
| US10982863B2 (en) * | 2018-04-10 | 2021-04-20 | Carrier Corporation | HVAC fan inlet |
| US10801740B2 (en) * | 2018-08-31 | 2020-10-13 | Gree Electric Appliances, Inc. Of Zhuhai | Embedded type air conditioner outdoor unit and an air conditioner |
| JP7031019B2 (en) | 2019-01-18 | 2022-03-07 | 三菱電機株式会社 | Outdoor unit of air conditioner |
| JP7402416B2 (en) | 2020-03-23 | 2023-12-21 | Ａｇｃ株式会社 | window glass with holder |
| KR20210129869A (en) | 2020-04-21 | 2021-10-29 | 삼성전자주식회사 | An outdoor for a an air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380848Y (en) * | 1999-07-20 | 2000-05-31 | 海尔集团公司 | Heat-pump type air-conditioner with auxiliary defrosting device |
| CN2407276Y (en) * | 2000-01-25 | 2000-11-22 | 海尔集团公司 | Casing bottom for outdoor unit of air conditioner |
| US6519966B1 (en) * | 2001-09-10 | 2003-02-18 | Lendell Martin, Sr. | Air conditioning and heat pump systems |
| CN1719147A (en) * | 2004-07-08 | 2006-01-11 | 乐金电子(天津)电器有限公司 | Device of preventing drained water from freezing of air conditioner outdoor unit |
| JP3882910B2 (en) * | 2002-08-08 | 2007-02-21 | 三菱電機株式会社 | Air conditioner outdoor unit |
| CN101726047A (en) * | 2008-10-27 | 2010-06-09 | Lg电子株式会社 | Outdoor unti of air conditioner |
| CN201751757U (en) * | 2010-06-09 | 2011-02-23 | 海尔集团公司 | Outdoor unit chassis and air-conditioner outdoor unit |
| CN201779832U (en) * | 2010-09-02 | 2011-03-30 | 海尔集团公司 | Anti-freezing base plate used for outdoor unit of air conditioner and air conditioner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911234A (en) * | 1988-12-05 | 1990-03-27 | Carrier Corporation | Heat exchanger coil with restricted airflow accessibility |
| JP3710874B2 (en) * | 1996-02-23 | 2005-10-26 | 三洋電機株式会社 | Air conditioner outdoor unit |
| EP2060152A1 (en) * | 2006-09-05 | 2009-05-20 | Carrier Corporation | Impedance heating for heat exchanger water drainage channels |
| JP5114917B2 (en) * | 2006-10-11 | 2013-01-09 | ダイキン工業株式会社 | Air conditioner outdoor unit |
| JP5197244B2 (en) * | 2008-09-02 | 2013-05-15 | 三菱電機株式会社 | Refrigeration cycle apparatus, refrigeration apparatus and air conditioner |
| JP5448657B2 (en) * | 2009-09-04 | 2014-03-19 | 三菱重工業株式会社 | Air conditioner outdoor unit |
| JP5287685B2 (en) * | 2009-11-30 | 2013-09-11 | ダイキン工業株式会社 | Air conditioner outdoor unit |
-
2011
- 2011-12-12 JP JP2011271295A patent/JP5218629B2/en active Active
-
2012
- 2012-12-12 EP EP12857382.1A patent/EP2792955B1/en active Active
- 2012-12-12 US US14/364,617 patent/US20140298844A1/en not_active Abandoned
- 2012-12-12 AU AU2012353915A patent/AU2012353915B2/en active Active
- 2012-12-12 CN CN201280058436.5A patent/CN103988026B/en active Active
- 2012-12-12 KR KR1020147018993A patent/KR101428444B1/en active IP Right Grant
- 2012-12-12 WO PCT/JP2012/007949 patent/WO2013088713A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380848Y (en) * | 1999-07-20 | 2000-05-31 | 海尔集团公司 | Heat-pump type air-conditioner with auxiliary defrosting device |
| CN2407276Y (en) * | 2000-01-25 | 2000-11-22 | 海尔集团公司 | Casing bottom for outdoor unit of air conditioner |
| US6519966B1 (en) * | 2001-09-10 | 2003-02-18 | Lendell Martin, Sr. | Air conditioning and heat pump systems |
| JP3882910B2 (en) * | 2002-08-08 | 2007-02-21 | 三菱電機株式会社 | Air conditioner outdoor unit |
| CN1719147A (en) * | 2004-07-08 | 2006-01-11 | 乐金电子(天津)电器有限公司 | Device of preventing drained water from freezing of air conditioner outdoor unit |
| CN101726047A (en) * | 2008-10-27 | 2010-06-09 | Lg电子株式会社 | Outdoor unti of air conditioner |
| CN201751757U (en) * | 2010-06-09 | 2011-02-23 | 海尔集团公司 | Outdoor unit chassis and air-conditioner outdoor unit |
| CN201779832U (en) * | 2010-09-02 | 2011-03-30 | 海尔集团公司 | Anti-freezing base plate used for outdoor unit of air conditioner and air conditioner |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2995874A3 (en) * | 2014-09-12 | 2016-03-23 | LG Electronics Inc. | Outdoor unit for air conditioner |
| CN106196332A (en) * | 2014-09-12 | 2016-12-07 | Lg电子株式会社 | The off-premises station of air conditioner |
| US10041704B2 (en) | 2014-09-12 | 2018-08-07 | Lg Electronics Inc. | Outdoor device for an air conditioner |
| US10077910B2 (en) | 2014-09-12 | 2018-09-18 | Lg Electronics Inc. | Outdoor device for an air conditioner |
| CN106196332B (en) * | 2014-09-12 | 2020-01-10 | Lg电子株式会社 | Outdoor unit of air conditioner |
| CN105716162A (en) * | 2014-12-17 | 2016-06-29 | Lg电子株式会社 | Outdoor Device For An Air Conditioner |
| CN106196340A (en) * | 2014-12-17 | 2016-12-07 | Lg电子株式会社 | The off-premises station of air conditioner |
| US10443902B2 (en) | 2014-12-17 | 2019-10-15 | Lg Electronics Inc. | Outdoor device for an air conditioner |
| CN106196340B (en) * | 2014-12-17 | 2019-12-13 | Lg电子株式会社 | Outdoor unit of air conditioner |
| CN111520824A (en) * | 2019-02-01 | 2020-08-11 | 东芝开利株式会社 | Outdoor unit of refrigeration cycle device |
| JP2020020574A (en) * | 2019-11-06 | 2020-02-06 | ダイキン工業株式会社 | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140298844A1 (en) | 2014-10-09 |
| EP2792955A1 (en) | 2014-10-22 |
| JP5218629B2 (en) | 2013-06-26 |
| EP2792955B1 (en) | 2016-11-30 |
| JP2013122351A (en) | 2013-06-20 |
| WO2013088713A1 (en) | 2013-06-20 |
| CN103988026B (en) | 2015-09-02 |
| KR20140093755A (en) | 2014-07-28 |
| AU2012353915B2 (en) | 2014-09-25 |
| EP2792955A4 (en) | 2015-12-02 |
| AU2012353915A1 (en) | 2014-07-17 |
| KR101428444B1 (en) | 2014-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103988026A (en) | Heater and outdoor unit for refrigeration unit provided with heater | |
| KR102098103B1 (en) | Temperature-controlled quad-effect dehumidification drying system | |
| KR102055644B1 (en) | Automatic constant temperature dehumidifier | |
| CN105229407B (en) | Duplex heat exchanger | |
| EP2821718B1 (en) | Outdoor unit for refrigeration device | |
| CN103547867A (en) | Outdoor unit of air conditioner | |
| CN102997345A (en) | Cooling system for air-conditioner control box and air conditioner provided with the same | |
| CN214666272U (en) | Heat exchanger, electric control box and air conditioning system | |
| CN104235968B (en) | Heat power supply device | |
| EP2685196B1 (en) | Heat exchanger | |
| WO2019031450A1 (en) | Outdoor unit for refrigeration device | |
| CN102297480A (en) | Indoor unit of air conditioner | |
| JP6978692B2 (en) | Heat exchanger and heat pump equipment | |
| CN203595201U (en) | Outdoor unit of refrigeration device | |
| KR101727914B1 (en) | Heat exchanger | |
| CN205351573U (en) | Air -cooled computer lab air condensing units | |
| US9389026B2 (en) | Heat exchanger | |
| CN114126331B (en) | Air conditioner and electric control box | |
| RU2451883C2 (en) | Heat exchange device | |
| CN202835596U (en) | Outdoor machine set of cooling device | |
| US20200370841A1 (en) | Heat exchanger assembly for an hvac system | |
| CN213020028U (en) | Outdoor machine of air conditioner | |
| CN216620058U (en) | Air conditioner | |
| CN217584647U (en) | Air conditioner | |
| CN217236380U (en) | Heat pump drying dehumidifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |