CN100370189C - Outdoor machine of air conditioner - Google Patents

Outdoor machine of air conditioner Download PDF

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Publication number
CN100370189C
CN100370189C CNB2004100050223A CN200410005022A CN100370189C CN 100370189 C CN100370189 C CN 100370189C CN B2004100050223 A CNB2004100050223 A CN B2004100050223A CN 200410005022 A CN200410005022 A CN 200410005022A CN 100370189 C CN100370189 C CN 100370189C
Authority
CN
China
Prior art keywords
electric component
heat exchanger
component case
air
air conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2004100050223A
Other languages
Chinese (zh)
Other versions
CN1523305A (en
Inventor
小林淳
小关正雄
大滨靖程
冈田晃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Sanyo Electric Air Conditioning Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Electric Air Conditioning Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd, Sanyo Electric Air Conditioning Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1523305A publication Critical patent/CN1523305A/en
Application granted granted Critical
Publication of CN100370189C publication Critical patent/CN100370189C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F24F1/24—Cooling of electric components
    • 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
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

Provided is an outdoor machine of an air conditioner capable of cooling the inside of an electrical equipment box effectively, increasing reliability of a control board provided in the electrical equipment box, and reducing failure. This outdoor machine of the air conditioner is constituted in such a way that a partition plate 3 is erected on a bottom plate constituting a case body to divide into a machine chamber B having a compressor and a heat exchanger chamber A having a heat exchanger and a blower using the partition plate 3 as boundary, the electrical equipment box 7 provided in an upper part of the partition plate and extending substantially horizontally across an upper part of the machine chamber B and an upper part of the heat exchanger chamber A is arranged, and the control boards 20a, 20b having a soldering face on one face are provided in the electrical equipment box 7. A flow-in port 41 for air on a machine chamber B side, a flow-out port 41 for air on a heat exchanger chamber A side, and an air passage 28 connecting the flow-in port 27 with the flow-out port 41 are provided in the electrical equipment box 7. The control boards 20a, 20b make their peripheral fringes abut on an internal wall face of the electrical equipment box 7 to shut off the soldering face from the air passage 28.

Description

The off-premises station of air conditioner
Technical field
The present invention relates to be located at the electric component case on the off-premises station of air conditioner.
Background technology
As everyone knows, the off-premises station of air conditioner is compressor, and folding and unfoldings such as heat exchanger and blower fan are in casing.The casing of the off-premises station of this air conditioner is made of the lid of base plate and steel plate system, disposes front panel, side plate and backplate around base plate, places top board and installation in front on plate, side plate and the backplate.Be separated into heat exchanger chamber and Machine Room by the upright dividing plate that is located on the base plate in the casing, at heat exchanger chamber's configuration heat exchanger and blower fan, at Machine Room configuration compressor and accumulator.
In addition, cross over the top of Machine Room and the top approximate horizontal ground configuration electric component case of heat exchanger chamber on dividing plate top.The control substrate of control operation of air-conditioner is set in this electric component case, and the electric component that generates heat during installation and operation on the control substrate rises the temperature in the electric component case.Therefore, a plurality of openings are set in electric appliance control box, and the ventilating duct of open communication is set, the cooling air cools off the electric component case by flowing in this ventilating duct.(for example, with reference to Patent Document 1)
(Patent Document 1) spy opens the 2001-296041 communique.
Summary of the invention
Yet, in the electric component case of described off-premises station,, have the air that the external handle of slave contains dust and salt, pollutant etc. to deliver in the electric component case along with pass through the cooling air in inside.These dusts and salt, pollutant be attached to the conductive part of electric component, if particularly attached on the soldering face of control substrate then can produce defective insulation and conducting is unusual, might make the air conditioner fault.The reason that as far as possible reduces such fault is that raising air conditioner reliability is necessary.
The present invention is in view of prior art problems, and it is a kind of when effectively cooling off the electric component case that purpose is to provide, and reduces the off-premises station of the air conditioner of fault for the reliability that improves the control substrate that is located at the electric component case.
For reaching described purpose, the off-premises station of the air conditioner of first aspect present invention, it is erect on the base plate that constitutes casing dividing plate is set, with this dividing plate is that the boundary is separated into Machine Room with compressor and the heat exchanger chamber with heat exchanger and blower fan, the electric component case that approximate horizontal is extended is arranged on the top of described dividing plate, and cross over top, Machine Room and heat exchanger chamber top, this electric component case is provided with the control substrate that one side has soldering face, it is characterized in that, be provided with at the electric component case: side is provided with air inflow aperture in the Machine Room, side is provided with air outflow port in heat exchanger chamber, ventilating duct with being communicated with these inflow entrances and flow export makes the periphery of described control substrate and the internal face of electric component case touch and soldering face is blocked from described ventilating duct.
Second aspect present invention is in the off-premises station of the described air conditioner of first aspect present invention, and the projection tab that touches with the control substrate is set on the internal face of described electric component case.
Third aspect present invention is in the off-premises station of the present invention first or the described air conditioner of second aspect, and polylith control substrate is set on the described electric component case.
Because constituting the soldering face of control substrate, electric component case of the present invention do not contact with extraneous air, so when externally containing dust and salt, pollutant in the air, these pollutants can be prevented attached on the soldering face and reduce failure cause, thereby the reliability of air conditioner can be improved.
Description of drawings
Fig. 1 is the exploded perspective view of the indoor set of one embodiment of the invention;
Fig. 2 is a front elevation of pulling down the off-premises station of front panel;
Fig. 3 is the stereogram of electric component case;
Fig. 4 is the profilograph of electric component case.
The specific embodiment
Below, one embodiment of the invention are described with reference to the accompanying drawings.
Fig. 1 is the exploded perspective view of the indoor set of one embodiment of the invention.In Fig. 1, the 1st, the off-premises station of cuboid, being constructed as follows of this off-premises station 1: upright establishing is the dividing plate 3 of steel plate system equally on the base plate 2 of steel plate system, and A of heat exchanger chamber and Machine Room B are set in the both sides of dividing plate 3.
Compressor 4, accumulator 5, refrigerant pipe 6 and the electric component case 7 etc. that constitute a freeze cycle part are set at Machine Room B; At the A of heat exchanger chamber outdoor heat converter 8, outdoor fan 9 etc. are set.
The left and right sides plate 12,13 that on off-premises station 1, has steel plate system, top board 14, front panel 15 and backplate 16 form a plurality of openings with venetian blind type door at left plate 12; Be formed for pulling out the outlet of electric wire between refrigerant piping 6 and the unit at right plate 13; Form the opening that grid has been installed in front on the plate 15.
Described front panel 15 and top board 14 form one, roughly are the L font, and the rear side of the A of heat exchanger chamber is opened wide, at this dorsal part disposed chamber outer heat-exchanger 8 that opens wide.Described right plate 13 and backplate 16 roughly are the L font and form one, are configured in the dorsal part of Machine Room 8.In addition, at the top of outdoor heat converter 8 configuration stiffener 17, this stiffener 17 traverses the whole substantially width setting of A of heat exchanger chamber and Machine Room B.Top board 14 is placed and is fixed on the stiffener 17 on the top that is disposed at left side plate 12,13 and outdoor heat converter 8.These constitute the casing that surrounds A of heat exchanger chamber and Machine Room B.
Fig. 2 is a front elevation of pulling down the off-premises station of front panel.In Fig. 2, approximate horizontal is provided with electric component case 7 on the top of described dividing plate 3, and this electric component case 7 is crossed over dividing plate 3 and extended to the A of heat exchanger chamber side from Machine Room B side.Control assembly is placed in inside at electric component case 7, and radiator 36a, the 36b with a plurality of radiator shutters is set in the side that extends to the A of heat exchanger chamber side.The heat that control assembly in the electric component case 7 produces is delivered on these radiators 36a, the 36b.Cool off control assembly in the electric component case 7 by on radiator 36a, 36b, blowing out air by the A of heat exchanger chamber.
In addition, electric component case 7 from it face to the spongiform encapsulant 18 of former configuration.Sealing material 18 is configured in the top of the position of dividing plate 3, is located at abridged top board 14 and front panel 15 among the top and front of electric component case 7 and the figure by utilization and sandwiches encapsulant 18 and guarantee sealing between A of heat exchanger chamber and the Machine Room B.Like this, though rainwater can advance the A of immersion heat exchanger chamber from the opening of front panel 15 and left plate 12 etc., because Machine Room B covers by top board 14, front panel 15, right plate 13 and backplate 16, so rainwater can not immerse.
Fig. 3 is the stereogram of representing the electric component case of a header board cutting part, and Fig. 4 is the profilograph of electric component case.In Fig. 3 and Fig. 4, electric component case 7 is made the casing shape, have the outer dress plate that is made of header board 22, back plate 23, lower plate 24, right panel 25 and upper plate 26, header board 22, back plate 23 and upper plate 26 cover front, back and the top integral body of electric component case 7 respectively.On lower plate 24 and right panel 25, opening is set, in electric component case 7, forms the ventilating duct 28 of the opening that is communicated with these lower plates 24 and right panel 25.Header board 22, back plate 23, lower plate 24 and right plate 25 form one, and upper plate 26 forms separately as lid.In addition, in the inside of electric component case 7 at upper and lower horizontal arrangement upper substrate 20a and these two control substrates of infrabasal plate 20b.The one side of these control substrates 20a, 20b is a soldering face, and another side becomes the electric component face that electric component is installed.
Left surface heat exchanger chamber A opening is provided with described two radiator 36a, 36b and is used to stop up this opening.These radiators 36a, 36b are divided into two sections and are screwed and be located at (not shown) on the installation portion of edge of opening.Power module 37a, the 37b that produces big calorimetric is installed respectively on these radiators 36a, 36b, and these radiators 36a, 36b also are connected with control substrate 20a, 20b respectively by installed part.
Internal face at described header board 22 runs through general whole width setting rearward outstanding two projection tab 43a, 43b up and down, and it places the leading edge of control substrate 20a, 20b respectively.
Equally, run through general whole width setting forwards outstanding two projection tab 44a, 44b up and down at the internal face of described header board 23, it places the trailing edge of control substrate 20a, 20b respectively.
Establish a plurality of projection 38,38... in that described lower plate 24 is upright with the screw hole that is used for fixing infrabasal plate 20b.In addition, run through in the left part of lower plate 24 before and after width begin from the left side to form: support radiator 36b groove 39, as second peristome 41 of the air outflow port of the A of heat exchanger chamber opening and tilt upward and forwards, backwards width extend the hang plate 40 that is provided with.Second peristome 41 form extend downwards and front end towards the guide cylinder 42 of the square tube shape of dividing plate 3.
Form first peristome 27 as the air inflow aperture of electric component case 7 at the substantial middle place of described right panel 25, the upper and lower of the internal face of this right panel 25 be provided with respectively run through before and after the outstanding to the inside projection tab 31,32 of width.In the outside of bottom outstanding installing plate 33 below tiltedly is installed, this installing plate 33 is connected (with reference to Fig. 1) with the right plate 13 of off-premises station 1, is placing the terminal board 34 that is used for power supply and indoor set distribution in addition.
Upper plate 26 has the function as the lid of electric component case 7, forms outstanding tetragonal housing 45 downwards at its periphery, the upper limb of the chimeric from the outside header board 22 of this housing 45, right plate 25, back plate 23 and radiator 36a.Form and upper substrate 20a size outstanding downwards tetragonal inside casing 47 much at one in the inboard of housing 45, this inside casing 47 touches with the top periphery of upper substrate 20a.In addition, between the housing 45 of left end and inside casing, form outstanding projection tab 46 of pushing radiator 36a downwards.
On the electric component case 7 of the above formation, install under the situation of substrate 20a the soldering of the upper substrate 20a configuration that faces up.Following and projection tab 43a, the 44a, 31 of upper substrate 20a touch, and the top periphery of upper substrate 20a and the inside casing 47 of upper plate 26 touch fixing.Because top periphery and the inside casing 47 of upper substrate 20a touch, soldering face is covered by upper plate 26, so that soldering face almost can keep is airtight, and soldering face and ventilating duct 28 partitions.Thus,, can prevent that also it from entering soldering face, deterioration that can fine inhibition soldering even in ventilating duct 28, sneak into polluter etc.
In addition, the soldering of the infrabasal plate 20b configuration that faces down, following front and back and left hand edge and projection tab 43b, 44b and hang plate 40 touch, and top right hand edge and projection tab 32 touch, and are fixed on projection 38,38 with mounting screw ... on.Because following and top edge and projection tab 43b, 44b, hang plate 40 and the projection tab 32 of infrabasal plate 20b touch, soldering face is covered by lower plate 24, so that soldering face almost can keep is airtight, and soldering face and ventilating duct 28 partitions.Thus,, can prevent that also it from entering soldering face, deterioration that can fine inhibition soldering even in ventilating duct 28, sneak into polluter etc.
In the electric component case 7 that constitutes like this, outdoor fan 9 one operations are just got into extraneous air by heat exchanger 8 heat exchanger chamber A when operation of air conditioner, blow out from front panel 15.By the flowing of the A of heat exchanger chamber wind, the blast among the A of heat exchanger chamber reduces, and the air in the electric component case 7 are discharged from second peristome (air outflow port) 41 that extends to the A of heat exchanger chamber.By discharging air, from the minim gap of off-premises station 1 (for example, refrigerant piping, drawing the gap that electric wire place between the unit forms) enter the extraneous air of Machine Room B, shown in the arrow of Fig. 4, flow in the electric component case 7 through first peristome 27 (air inflow aperture), between the electric component of control substrate 20a, 20b, flow, flow to the A of heat exchanger chamber from second peristome 41.The electric component on substrate 20a, the 20b is controlled in cooling thus.
At this moment, though contain dust and salt, pollutant in the air in flowing into electric component case 7, but because soldering face and the ventilating duct 28 of control substrate 20a, 20b almost keep airtight, so be difficult to adhere to dust and salt, pollutant at soldering face, can reduce at control substrate 20a, 20b producing defective insulation and unusual conducting.
More than, implement the present invention by an embodiment, but the invention is not restricted to this, can carry out all distortion.
In the present embodiment, control substrate 20a, 20b are horizontal arrangement, but also can arranged perpendicular, this moment the soldering of control substrate in header board 22 or back plate 23 configuration, periphery and the internal face projection tab of internal face (or be located at) of control substrate are touched, make soldering face and ventilating duct 28 partitions.

Claims (3)

1. the off-premises station of an air conditioner, it is erect on the base plate that constitutes casing dividing plate is set, with this dividing plate is that the boundary is separated into Machine Room with compressor and the heat exchanger chamber with heat exchanger and blower fan, the electric component case that approximate horizontal is extended is arranged on the top of described dividing plate, and cross over top, Machine Room and heat exchanger chamber top, this electric component case is provided with the control substrate that one side has soldering face, it is characterized in that
Be provided with at the electric component case: air inflow aperture is set, air outflow port is set and is communicated with the ventilating duct of these inflow entrances and flow export in the Machine Room side, the internal face of the periphery of described control substrate and electric component case is touched and soldering face and described ventilating duct blocking-up in heat exchanger chamber's side.
2. the off-premises station of air conditioner as claimed in claim 1 is characterized in that, the projection tab that touches with the control substrate is set on the internal face of described electric component case.
3. the off-premises station of air conditioner as claimed in claim 1 or 2 is characterized in that, polylith control substrate is set on described electric component case.
CNB2004100050223A 2003-02-18 2004-02-12 Outdoor machine of air conditioner Expired - Fee Related CN100370189C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP039078/2003 2003-02-18
JP039078/03 2003-02-18
JP2003039078 2003-02-18
JP426033/03 2003-12-24
JP426033/2003 2003-12-24
JP2003426033A JP4349896B2 (en) 2003-02-18 2003-12-24 Air conditioner outdoor unit

Publications (2)

Publication Number Publication Date
CN1523305A CN1523305A (en) 2004-08-25
CN100370189C true CN100370189C (en) 2008-02-20

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ID=33134055

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100050223A Expired - Fee Related CN100370189C (en) 2003-02-18 2004-02-12 Outdoor machine of air conditioner

Country Status (3)

Country Link
JP (1) JP4349896B2 (en)
KR (1) KR100570257B1 (en)
CN (1) CN100370189C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225254A (en) * 2006-02-27 2007-09-06 Fujitsu General Ltd Outdoor unit for air conditioner
JP2011007363A (en) * 2009-06-23 2011-01-13 Sanyo Electric Co Ltd Outdoor unit
JP6529687B1 (en) * 2017-10-19 2019-06-12 日立ジョンソンコントロールズ空調株式会社 Air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1143733A (en) * 1995-08-22 1997-02-26 株式会社东芝 Outdoor assembling unit for air-conditioner
CN1344894A (en) * 2000-09-30 2002-04-17 珠海格力电器股份有限公司 Outdoor unit of split air conditioner
JP2002243210A (en) * 2001-02-20 2002-08-28 Fujitsu General Ltd Outdoor machine for air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1143733A (en) * 1995-08-22 1997-02-26 株式会社东芝 Outdoor assembling unit for air-conditioner
CN1344894A (en) * 2000-09-30 2002-04-17 珠海格力电器股份有限公司 Outdoor unit of split air conditioner
JP2002243210A (en) * 2001-02-20 2002-08-28 Fujitsu General Ltd Outdoor machine for air conditioner

Also Published As

Publication number Publication date
JP4349896B2 (en) 2009-10-21
CN1523305A (en) 2004-08-25
KR100570257B1 (en) 2006-04-12
KR20040074942A (en) 2004-08-26
JP2004271169A (en) 2004-09-30

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Granted publication date: 20080220

Termination date: 20130212