CN110285558A - The good air conditioner fresh air machine of heat dissipation effect - Google Patents

The good air conditioner fresh air machine of heat dissipation effect Download PDF

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Publication number
CN110285558A
CN110285558A CN201910577357.9A CN201910577357A CN110285558A CN 110285558 A CN110285558 A CN 110285558A CN 201910577357 A CN201910577357 A CN 201910577357A CN 110285558 A CN110285558 A CN 110285558A
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CN
China
Prior art keywords
air
electric cabinet
heat dissipation
dissipation effect
conditioner fresh
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
Application number
CN201910577357.9A
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Chinese (zh)
Other versions
CN110285558B (en
Inventor
张佳伟
吴炯
刘娜
肖登政
刘文华
明开云
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910577357.9A priority Critical patent/CN110285558B/en
Publication of CN110285558A publication Critical patent/CN110285558A/en
Application granted granted Critical
Publication of CN110285558B publication Critical patent/CN110285558B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing

Abstract

The invention discloses a kind of good air conditioner fresh air machines of heat dissipation effect, including shell (1), air inlet (2) that shell side is set, the exhaust outlet (3) that the shell other side is set, set gradually air duct (4) between air inlet and exhaust outlet and blower (7) and control circuit, the control circuit is mounted in electric cabinet (6), and described electric cabinet a part is embedded in the air duct and is cooled down;The structure for having adjusted air conditioner fresh air machine of science of the invention is cooled down using the fresh air in air duct to electric cabinet;Using the variable-frequency direct-current motor of variable frequency drive and external driving, the air quantity of air conditioner fresh air machine is greatly increased, meets demand of the product to air quantity;Electric cabinet uses foldable structure simultaneously, and structure is more compact, and ease of maintenance and operation simple, and installation effectiveness is high, and cost reduces.

Description

The good air conditioner fresh air machine of heat dissipation effect
Technical field
The present invention relates to air-conditioning equipment more particularly to a kind of use, heat dissipation effect is good in central air-conditioning condensing ends unit Good air conditioner fresh air machine.
Background technique
Existing central air-conditioning condensing ends unit fresh-air ventilation unit, there are deficiency in draughts not to be able to satisfy product ventilation volume Requirement, analysis is the reason is that the common alternating current generator that existing product uses is unable to satisfy the requirement of revolving speed and air quantity.If Motor is changed to the variable-frequency direct-current motor of external driving, need to be re-molded, cost is excessively high, and the R&D cycle is long, is not suitable for adopting for a long time With;And such as the variable-frequency direct-current motor using external driving, need for common control circuit to be changed to variable frequency drive, frequency conversion is driven Dynamic circuit calorific value is huge, and variable frequency drive is mounted in now Packed air conditioner fresh air Electrical Control case, will cause automatically controlled The problem of case heat dissipation effect is bad, and element is easy aging and failure.Electrical component inside existing fresh air Electrical Control case is most It is controlled using air switch, A.C. contactor, although electric box structure can only simply realize simple direct current generator starting, stop Control, air quantity is low and revolving speed is uncontrollable, and electric cabinet is full-enclosed structure, the raising of device temperature, and electronic box heat dissipation is slow.
Therefore under the premise of not changing existing new blower complete machine structure, a kind of frequency conversion direct current using external driving is designed Motor, using variable frequency drive, and the air conditioner fresh air machine that can solve electric cabinet heat dissipation problem is that industry is urgently to be resolved Technical problem.
Summary of the invention
In order to solve the bad defect of air conditioner fresh air Electrical Control case heat dissipation effect existing in the prior art, the present invention proposes one The kind good air conditioner fresh air machine of heat dissipation effect.
The technical solution adopted by the present invention is that designing a kind of good air conditioner fresh air machine of heat dissipation effect, including shell, setting Shell side air inlet, the shell other side is set exhaust outlet, set gradually air duct between air inlet and exhaust outlet With blower and control circuit, the control circuit is mounted in electric cabinet, and described electric cabinet a part is embedded in the air duct In cooled down.
The electric cabinet uses foldable structure, and the big element of calorific value is mounted on the bottom plate of electric cabinet in the control circuit On, the small element of calorific value is mounted on the door-plate of electric cabinet in control circuit, and the bottom of control circuit is embedded in the air duct It is cooled down.
The outside of the bottom plate of electric cabinet is equipped with cooling fin, the big member of calorific value in the cooling fin and the control circuit Part closely connects.
The blower uses centrifugal blower, and the import of the centrifugal blower connects air duct, and the outlet of centrifugal blower connects row Air port, bottom plate and the centrifugal blower fan blade wheel axis of the electric cabinet are mutually perpendicular to.
The cooling fin uses laminated structure, and is erected at the outside of the bottom plate of electric cabinet, and cooling fin is parallel to centrifugation The tangential direction being vortexed caused by draught fan impeller.
The bottom plate of electric cabinet is rectangle, and the cooling fin is divided into the heat dissipation being parallel to each other in two groups, every group comprising multi-disc Piece, two groups of cooling fins are respectively parallel to an edge of bottom plate of electric cabinet, are mutually perpendicular to two groups of cooling fins.
Core is equipped in the middle part of the air duct, the wind in air duct passes through the core.
The core has condensation module and air filtration module.
The centrifugal blower is driven using variable-frequency direct-current motor.
The air duct includes two parallel air ducts, wind flow contrary, the air inlet in two air ducts in two air ducts Mouth is respectively at the two sides of shell, and the exhaust outlet in two air ducts is also respectively at the two sides of shell.
The beneficial effect of the technical scheme provided by the present invention is that:
The structure for having adjusted air conditioner fresh air machine of science of the invention is cooled down using the fresh air in air duct to electric cabinet;Using frequency conversion The variable-frequency direct-current motor of driving circuit and external driving greatly increases the air quantity of air conditioner fresh air machine, meets product to air quantity Demand;Electric cabinet uses foldable structure simultaneously, and structure is more compact, and ease of maintenance and operation simple, and installation effectiveness is high, Cost reduces, and can be widely used in central air-conditioning condensing ends unit.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is present pre-ferred embodiments stereoscopic schematic diagram;
Fig. 2 is the stereoscopic schematic diagram for removing shell;
Fig. 3 is present pre-ferred embodiments side view;
Fig. 4 is the three-dimensional view of electric cabinet door opening state;
Fig. 5 is the top view of electric cabinet door opening state;
Fig. 6 is electric cabinet bottom view.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is described in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not For limiting the present invention.
The invention discloses a kind of good air conditioner fresh air machines of heat dissipation effect, and Fig. 1, Fig. 2 and Fig. 3 respectively illustrate the present invention Stereoscopic schematic diagram, the stereoscopic schematic diagram and side view for removing shell.Air conditioner fresh air machine includes shell 1, is arranged in shell one The air inlet 2 of side, the exhaust outlet 3 that the shell other side is arranged in set gradually air duct 4 and blower between air inlet and exhaust outlet 7 and control circuit, the control circuit be mounted in electric cabinet 6, described electric cabinet a part is embedded in the air duct. There is fresh air that can cool down electric cabinet rapidly in air duct, the electronic component inside electric cabinet is made to be in a good temperature environment In, electronic box temperature rise is reduced, hazard rate is reduced.The control circuit can control blower, can also control bypass stepping electricity Machine is to adjust the switch degree of wind-guiding angle, fresh wind port valve.
Referring to the preferred embodiment shown in Fig. 4 and Fig. 5, the electric cabinet 6 uses foldable structure, sends out in the control circuit The big element of heat (10 is signified in icon) is mounted on the bottom plate 11 of electric cabinet, the small element of calorific value (figure in control circuit 9 is signified in mark) it is mounted on the door-plate 12 of electric cabinet, the bottom of control circuit, which is embedded in the air duct, to be cooled down.It is mounted on Circuit on the door-plate of electric cabinet mainly controls air quantity, the valve in air port is controlled by control bypass step motor, and another External application also receives 2 temperature sensor datas of acquisition and manual operator communication, carries out communication control motor, the program with driving plate It can be in order to operate, because motor power interface is on bottom plate.
Referring to Fig. 3 with the preferred embodiment shown in Fig. 6, the outside of the bottom plate of electric cabinet is equipped with cooling fin 8, the heat dissipation The piece elements into intimate big with calorific value in the control circuit is connect.That is cooling fin 8 is air duct in insertion air duct 4 In have fresh air can cold sink 8 rapidly, reduce the temperature rise of the big element of calorific value in control circuit.Cooling fin and calorific value The mode of big elements into intimate connection can be multiplicity, and in some embodiments, bottom plate uses thermal conductive metallic material, fever member Part and cooling fin are separately mounted to bottom plate two sides;In further embodiments, bottom plate is equipped with the window of hollow out, and cooling fin is from window Electric cabinet is stretched out in mouthful to be cooled down.
Referring to the preferred embodiment shown in Fig. 2 and Fig. 3, the blower 7 uses centrifugal blower, the import of the centrifugal blower Air duct 4 is connected, the outlet of centrifugal blower connects exhaust outlet 3, and the bottom plate and centrifugal blower fan blade wheel axis of the electric cabinet 6 mutually hang down Directly.Centrifugal blower fan blade wheel rotation can form air whirl in the bottom plate of electric cabinet 6, and air whirl can take away rapidly electric cabinet 6 Temperature.
Referring to the preferred embodiment shown in Fig. 6, the cooling fin uses laminated structure, and is erected at the bottom plate of electric cabinet Outside, cooling fin is parallel to the tangential direction being vortexed caused by centrifugal blower fan blade wheel.
In the preferred embodiment, the bottom plate of electric cabinet is rectangle, and the cooling fin is divided into two groups, every group comprising multi-disc The cooling fin being parallel to each other, two groups of cooling fins are respectively parallel to an edge of bottom plate of electric cabinet, two groups of cooling fins are made mutually to hang down Directly.Two groups of cooling fins can dock two big heater elements.In the preferred embodiment, heater element is frequency conversion drive plate.
Referring to the preferred embodiment shown in Fig. 2 and Fig. 3, core 5 is equipped in the middle part of the air duct 4, the wind in air duct passes through institute State core.
In the preferred embodiment, the core 5 has condensation module and air filtration module.Mistake in air filtration module Filter plate can cross air filtering, purify air.Cold plate in condensation module can carry out heat exchange with air, reduce Air Temperature Degree.
In the preferred embodiment, the centrifugal blower is driven using variable-frequency direct-current motor (13 is signified in icon).It adopts Air quantity can be promoted with variable-frequency direct-current motor, meets air conditioner fresh air machine performance requirement.
To adapt to various fields of employment, in the preferred embodiment, the air duct 4 includes two parallel air ducts, two wind Wind flow is contrary in road, and two air ducts are independent of one another, and wind flow is contrary in two air ducts.Two air ducts into Air port 2 is respectively at the two sides of shell 1, and the exhaust outlet 3 in two air ducts is also respectively at the two sides of shell.Structure whereby, air-conditioning New blower usage mode is more flexible and changeable.
Above embodiments are by way of example only, non-to provide constraints.It is any without departing from the application spirit and scope, and to it The equivalent modifications or change of progress, shall be included in the scope of claims of this application.

Claims (10)

1. a kind of good air conditioner fresh air machine of heat dissipation effect, including shell (1), air inlet (2) that shell side is arranged in, setting The shell other side exhaust outlet (3), set gradually air duct (4) between air inlet and exhaust outlet and blower (7) and control Circuit, it is characterised in that: the control circuit is mounted in electric cabinet (6), and described electric cabinet a part is embedded in the air duct In cooled down.
2. the good air conditioner fresh air machine of heat dissipation effect as described in claim 1, it is characterised in that: the electric cabinet (6) uses Foldable structure, the big element of calorific value is mounted on the bottom plate (11) of electric cabinet in the control circuit, is generated heat in control circuit It measures small element to be mounted on the door-plate (12) of electric cabinet, the bottom of control circuit, which is embedded in the air duct, to be cooled down.
3. the good air conditioner fresh air machine of heat dissipation effect as claimed in claim 2, it is characterised in that: outside the bottom plate of electric cabinet Side is equipped with cooling fin (8), and the cooling fin elements into intimate big with calorific value in the control circuit is connect.
4. the good air conditioner fresh air machine of heat dissipation effect as claimed in claim 3, it is characterised in that: the blower (7) using from The import of heart blower, the centrifugal blower connects air duct (4), and the outlet of centrifugal blower connects exhaust outlet (3), the electric cabinet (6) bottom plate is mutually perpendicular to centrifugal blower fan blade wheel axis.
5. the good air conditioner fresh air machine of heat dissipation effect as claimed in claim 4, it is characterised in that: the cooling fin uses sheet Structure, and it is erected at the outside of the bottom plate of electric cabinet, cooling fin is parallel to the tangent line side being vortexed caused by centrifugal blower fan blade wheel To.
6. the good air conditioner fresh air machine of heat dissipation effect as claimed in claim 5, it is characterised in that: the bottom plate of electric cabinet is square Shape, the cooling fin are divided into the cooling fin being parallel to each other in two groups, every group comprising multi-disc, and two groups of cooling fins are respectively parallel to automatically controlled One edge of bottom plate is mutually perpendicular to two groups of cooling fins.
7. the good air conditioner fresh air machine of heat dissipation effect as described in claim 1, it is characterised in that: set in the middle part of the air duct (4) Have core (5), the wind in air duct passes through the core.
8. the good air conditioner fresh air machine of heat dissipation effect as claimed in claim 7, it is characterised in that: the core (5) has cold Solidifying module and air filtration module.
9. the good air conditioner fresh air machine of heat dissipation effect as claimed in claim 4, it is characterised in that: the centrifugal blower is using change Frequency direct current generator is driven.
10. the good air conditioner fresh air machine of heat dissipation effect as described in any one of claim 1 to 9, it is characterised in that: the air duct It (4) include two parallel air ducts, wind flow is contrary in two air ducts, and the air inlet (2) in two air ducts is respectively at The two sides of shell (1), the exhaust outlet (3) in two air ducts are also respectively at the two sides of shell.
CN201910577357.9A 2019-06-28 2019-06-28 Air conditioner fresh air fan with good heat dissipation effect Active CN110285558B (en)

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Application Number Priority Date Filing Date Title
CN201910577357.9A CN110285558B (en) 2019-06-28 2019-06-28 Air conditioner fresh air fan with good heat dissipation effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910577357.9A CN110285558B (en) 2019-06-28 2019-06-28 Air conditioner fresh air fan with good heat dissipation effect

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CN110285558A true CN110285558A (en) 2019-09-27
CN110285558B CN110285558B (en) 2021-05-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000036679A (en) * 1998-07-16 2000-02-02 Yazaki Corp Cooling construction of electrical apparatus
CN101101181A (en) * 2007-04-24 2008-01-09 陈国宝 Solar energy air all heat-exchanger
CN102767875A (en) * 2011-05-06 2012-11-07 荣国华 Air conditioning unit for hot recovery of heat pump
CN203375570U (en) * 2013-06-21 2014-01-01 广州华凌制冷设备有限公司 Outdoor unit of air conditioner
CN104697077A (en) * 2015-03-26 2015-06-10 广东美的制冷设备有限公司 Heat radiation structure of circuit module and outdoor unit of variable-frequency air conditioner
CN106051954A (en) * 2016-07-12 2016-10-26 珠海格力电器股份有限公司 Air conditioner outdoor unit and air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000036679A (en) * 1998-07-16 2000-02-02 Yazaki Corp Cooling construction of electrical apparatus
CN101101181A (en) * 2007-04-24 2008-01-09 陈国宝 Solar energy air all heat-exchanger
CN102767875A (en) * 2011-05-06 2012-11-07 荣国华 Air conditioning unit for hot recovery of heat pump
CN203375570U (en) * 2013-06-21 2014-01-01 广州华凌制冷设备有限公司 Outdoor unit of air conditioner
CN104697077A (en) * 2015-03-26 2015-06-10 广东美的制冷设备有限公司 Heat radiation structure of circuit module and outdoor unit of variable-frequency air conditioner
CN106051954A (en) * 2016-07-12 2016-10-26 珠海格力电器股份有限公司 Air conditioner outdoor unit and air conditioner

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