CN111836520B - Internal and external unit integrated air conditioner - Google Patents
Internal and external unit integrated air conditioner Download PDFInfo
- Publication number
- CN111836520B CN111836520B CN202010682148.3A CN202010682148A CN111836520B CN 111836520 B CN111836520 B CN 111836520B CN 202010682148 A CN202010682148 A CN 202010682148A CN 111836520 B CN111836520 B CN 111836520B
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- China
- Prior art keywords
- air
- box
- air conditioner
- evaporation cavity
- electric appliance
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
Abstract
The invention provides an internal and external machine integrated air conditioner, which comprises an evaporation cavity arranged at the upper side, an internal fan arranged in the middle of the evaporation cavity, an air inlet arranged in the middle above the evaporation cavity, and a pair of air outlets arranged at two sides of the internal fan in the evaporation cavity; the heat dissipation structure of the air-conditioning electric appliance box comprises an evaporator, an inner fan and an electric appliance box, and the heat dissipation structure of the electric appliance box is sunk into the air return side of an evaporation cavity of the evaporator; the heat dissipation structure of the electrical box is a fin arranged at the bottom of the electrical box; the arrangement direction of the fins of the electric appliance box is consistent with the blowing direction of the inner fan; the four electrical boxes are arranged between the air outlets on two sides of the inner fan on the upper part of the evaporation cavity and the inner fan. According to the invention, the heat dissipation structure of the electrical box is sunk into the air return side of the air conditioner evaporation cavity, and the indoor cold return air sucked by the inner fan is used for dissipating heat, so that the effect can be still ensured at high temperature, and the energy consumption of the whole machine is low; meanwhile, the radiating fins of the electric appliance box are positioned on one side of the return air, so that the refrigerating effect of the air conditioner is not influenced.
Description
Technical Field
The invention relates to the technical field of heat dissipation of air conditioner electrical boxes, in particular to an air conditioner integrating an internal machine and an external machine.
Background
The internal and external machine integrated air conditioner (hereinafter referred to as integrated air conditioner) has the advantages that the electric components of the air conditioner generate heat during operation, so that the internal temperature of the air conditioner is increased, and the proper temperature environment is preserved, so that the service life and the service reliability of the electric components are important. Therefore, in general, the integrated air conditioner is designed with a special radiating fin aiming at an air conditioner PCB, and the radiating fin is an aluminum radiating fin, so that the heat generated by an electrical component can be transferred to the outside of an electrical box by utilizing the heat conducting property of the aluminum radiating fin, and the purpose of radiating the electrical box is achieved; some electrical boxes are also provided with independent heat dissipation fans.
However, the existing integrated air conditioner only depends on the radiating fin structure on the electrical box or the independent radiating fan thereof, and can meet the requirement of controlling the temperature rise of the electrical box under the conventional working condition. However, when the temperature is high outdoors, it is difficult to ensure that the temperature of the electrical box is reduced to a proper temperature.
Disclosure of Invention
The invention provides an internal and external unit integrated air conditioner which is good in heat dissipation effect in a high-temperature environment and low in energy consumption of the whole machine, and aims to solve the technical problem that an electric box of the existing integrated air conditioner is poor in heat dissipation effect in the high-temperature environment.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the air conditioner comprises an evaporation cavity arranged at the upper side, an inner fan arranged in the middle of the evaporation cavity, an air inlet arranged in the middle above the evaporation cavity, and a pair of air outlets arranged at two sides of the inner fan in the evaporation cavity;
the heat dissipation structure of the air-conditioning electric appliance box comprises an evaporator, an inner fan and an electric appliance box, and the heat dissipation structure of the electric appliance box is sunk into the air return side of an evaporation cavity of the evaporator;
the heat dissipation structure of the electrical box is a fin arranged at the bottom of the electrical box;
the arrangement direction of the fins of the electric appliance box is consistent with the blowing direction of the inner fan;
the four electrical boxes are arranged between the air outlets on two sides of the inner fan on the upper part of the evaporation cavity and the inner fan.
Preferably, the heat dissipation structure of the electrical box is a fin arranged at the bottom of the electrical box.
Preferably, the arrangement direction of the fins of the electrical box is consistent with the blowing direction of the inner fan.
Preferably, the electrical apparatus box is made for cast aluminium material, adopts the rubber strip sealed between electrical apparatus box lid and the electrical apparatus box main part.
Preferably, the patch cord terminals around the electrical box use waterproof terminals.
Preferably, the appliance box as a whole complies with the IPX5 to IP67 protection rating requirements.
Preferably, the inner fan is a high static pressure inner fan.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the air conditioner with the integrated internal and external units, the electric appliance box adopts a sinking type electric appliance box heat dissipation structure, the heat dissipation structure of the electric appliance box is sunk into the air return side of the air conditioner evaporation cavity, indoor cold air (return air) sucked by a fan inside the air conditioner is used for dissipating heat of the heat dissipation structure of the electric appliance box, the heat dissipation effect can be still ensured in a high-temperature environment, and the energy consumption of the whole air conditioner is low; meanwhile, the heat dissipation structure of the electric appliance box is positioned on one side of the return air, so that the refrigeration effect of the air conditioner is not influenced.
2. The axial direction of the radiating fins of the electric appliance box is consistent with the blowing direction of the inner fan, so that the radiating effect of the radiating fins is improved, and the temperature rise of a controller of the electric appliance box can be controlled within an effective range; the integrated air conditioner can directly radiate heat by the inner fan of the air conditioner, and can achieve the same effect with the temperature rise problem of an electric box of other products on the market by connecting the electric box with an independent small radiating fan, thereby simplifying the structure, complexity and manufacturing cost of the whole air conditioner. Meanwhile, the electrical box of the integrated air conditioner provided by the invention cancels the self-contained independent heat dissipation fan, so that the power input of the whole air conditioner is reduced, and the energy efficiency is obviously improved.
3. The box cover and the main body of the electric appliance box are sealed by rubber strips, and the peripheral patch cord terminals of the electric appliance box are waterproof terminals, so that the integral sealing performance of the electric appliance box meets the protection level requirements of IPX 5-IP 67. The dustproof and waterproof device is high in dustproof and waterproof grade, is in an independent closed environment, and does not need to worry about the problems of condensation and water inflow caused by cold and hot air blow-by in an electric box, so that the operation stability of an internal controller is ensured.
Drawings
Fig. 1 is a sectional view of an embodiment of an air conditioner integrated with an indoor unit and an outdoor unit according to the present invention;
fig. 2 is a schematic perspective view of an embodiment of an air conditioner with integrated indoor and outdoor units according to the present invention;
fig. 3 is a schematic perspective view of an electrical box of an air conditioner integrated with an indoor unit and an outdoor unit according to the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1-an evaporation chamber; 2-a condensation chamber; 3-an electrical box; 4-an inner fan; 5-electric appliance box cover; 6-electric appliance box main body; 7-a fin; 8-evaporator.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
The invention will be further described with reference to the accompanying figures 1-3 and examples.
The invention provides a heat radiation structure of an immersed air conditioner electrical appliance box, which comprises an evaporator 8 arranged at the upper side of an air conditioner and an inner fan 4 arranged at the middle part of an evaporation cavity 1 of the evaporator 8. When the air conditioner works, air is sucked from an air inlet (air return inlet) in the middle of the inner fan, then is discharged from air outlets on two sides of the inner fan 4, and exchanges heat with the evaporators 8 on two sides. In this embodiment, the inner fan 4 is a high static pressure inner fan. Still including taking heat radiation structure's electrical apparatus box 3, and electrical apparatus box 3's heat radiation structure sinks into the return air side in the evaporation chamber 1 of evaporimeter 8, and electrical apparatus box 3's heat radiation structure sinks in the wind channel between the air outlet of evaporimeter 8 and interior fan 4 promptly, and evaporation chamber 1 is located air conditioner complete machine top is stretched out at electrical apparatus box 3's top, makes things convenient for the maintenance after-sales personnel to dismantle and maintain it. When the air conditioner works, the inner fan 4 extracts cold air from the outside to suck into the inner fan 4 from an air inlet (return air) port above the evaporation cavity 1, and blows out from an air outlet of the inner fan 4 positioned in the evaporation cavity 1 to the direction of the evaporators 8 at two sides, and because the heat dissipation structure of the electric appliance box 3 sinks into the return air side of the evaporation cavity 1, namely between the evaporators and the air outlet, the indoor cold air (return air) sucked by the inner fan 4 of the air conditioner can be directly utilized to dissipate the heat dissipation structure of the electric appliance box 3, so that the heat dissipation effect can be still ensured in a high-temperature environment; according to the heat dissipation structure of the electrical box of the submerged air conditioner, the electrical box can be directly used for heat dissipation by virtue of the inner fan 4 of the air conditioner, and the temperature rise problem of the electrical box of other products in the market can achieve the same effect only by virtue of the mode that the electrical box is connected with an independent small heat dissipation fan, so that the structure, the complexity and the manufacturing cost of the whole machine are simplified; meanwhile, the heat dissipation structure of the immersed air conditioner electric appliance box provided by the invention cancels an independent heat dissipation fan carried by the electric appliance box, so that the power input and the energy consumption of the whole machine are reduced, and the energy efficiency is obviously improved; in addition, because electrical apparatus box heat radiation structure is located return air one side, can not cause the influence to the refrigeration effect of air conditioner.
Referring to fig. 3, the heat dissipation structure of the electrical box 3 is a fin 7 disposed at the bottom of the electrical box 3, and specifically, the heat dissipation structure is a plurality of parallel fins 7. The fin 7 of electrical apparatus box 3 sets up the wind direction that the direction and interior fan 4 bloied unanimously, specifically, the axial of the radiating fin 7 of electrical apparatus box 3 keeps unanimous with the wind direction that interior fan 4 bloied, can guarantee that a plurality of fins 7 all have the biggest with the cold wind (return air) heat radiating area of the cold wind (return air) contact that interior fan 4 blew off, improved heat radiation structure's radiating effect, can guarantee that electrical apparatus box 3's controller temperature rise control is in effective range. According to different requirements, the direction of the fins 7 of the electric appliance box 3 can form an included angle with the wind direction blown by the inner fan 4.
In this embodiment, the electrical box 3 is made of cast aluminum. The electrical apparatus box 3 includes electrical apparatus lid 5 and electrical apparatus box main part 6, and heat radiation structure sets up in electrical apparatus box main part 6 bottom, adopts the rubber strip sealed between electrical apparatus lid 5 and the electrical apparatus box main part 6, but the plug wire terminal around the electrical apparatus box 3 uses waterproof terminal. The appliance box 3 as a whole complies with the protection class requirements from IPX5 to IP67, with the preferred protection class being IP 67. The electric appliance box has good integral sealing performance and high dustproof and waterproof standards, is in an independent closed environment, does not need to worry about the problems of condensation, water inflow and the like caused by cold and hot air blowby in the electric appliance box, and ensures the running stability of an internal controller.
The invention also provides an air conditioner integrating an internal machine and an external machine, which comprises an evaporation cavity 1 arranged on the upper side of the air conditioner and a condensation cavity 2 arranged on the lower side of the air conditioner, wherein an internal fan 4 is arranged in the evaporation cavity 1, the internal fan 4 is preferably arranged in the middle of the evaporation cavity 1, and when the air conditioner works, air is sucked from an air inlet (air return opening) in the middle of the internal fan, then is discharged from air outlets on two sides of the internal fan 4, and exchanges heat with evaporators 8 on two sides. Still include the electrical apparatus box 3 of taking heat radiation structure, and the heat radiation structure of electrical apparatus box 3 sinks into the return air side in the evaporation chamber 1 of evaporimeter 8, and the heat radiation structure of electrical apparatus box 3 sinks in the wind channel between the air outlet of evaporimeter 8 and interior fan 4 promptly, and the top of electrical apparatus box 3 stretches out evaporation chamber 1 and is located air conditioner complete machine top. When the air conditioner works, the inner fan 4 draws cold air from the outside room through an air inlet (return air) port above the evaporation cavity 1 to be sucked into the inner fan 4, and blows out the cold air from an air outlet of the inner fan 4 in the evaporation cavity 1 to the direction of the evaporators 8 at two sides. In this embodiment, the electrical box 3 is four, and is disposed on two sides of the fan 4 in the upper portion of the evaporation cavity 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An air conditioner integrating an internal machine and an external machine is characterized by comprising an evaporation cavity arranged on the upper side, an internal fan arranged in the middle of the evaporation cavity, an air inlet arranged in the middle above the evaporation cavity, and a pair of air outlets arranged on the evaporation cavity and positioned on two sides of the internal fan;
the heat dissipation structure of the air-conditioning electric appliance box comprises an evaporator, an inner fan and an electric appliance box, and the heat dissipation structure of the electric appliance box is sunk into the air return side of an evaporation cavity of the evaporator;
the heat dissipation structure of the electrical box is a fin arranged at the bottom of the electrical box;
the arrangement direction of the fins of the electric appliance box is consistent with the blowing direction of the inner fan;
the four electrical boxes are arranged between the air outlets on two sides of the inner fan on the upper part of the evaporation cavity and the inner fan.
2. The air conditioner of claim 1, wherein the electrical box is made of cast aluminum, and a rubber strip is disposed between the electrical box cover and the electrical box body.
3. The air conditioner as claimed in claim 2, wherein the terminals of the patch cords disposed around the electric box are waterproof terminals.
4. The air conditioner as set forth in claim 1, wherein said electric box integrally meets the protection rating requirements of IPX5 to IP 67.
5. The air conditioner of claim 1, wherein the inner fan is a high static pressure inner fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682148.3A CN111836520B (en) | 2020-07-15 | 2020-07-15 | Internal and external unit integrated air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682148.3A CN111836520B (en) | 2020-07-15 | 2020-07-15 | Internal and external unit integrated air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111836520A CN111836520A (en) | 2020-10-27 |
| CN111836520B true CN111836520B (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010682148.3A Active CN111836520B (en) | 2020-07-15 | 2020-07-15 | Internal and external unit integrated air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN111836520B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113573559B (en) * | 2021-09-02 | 2023-09-15 | 广东海悟科技有限公司 | Cabinet temperature control system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009170678A (en) * | 2008-01-17 | 2009-07-30 | Panasonic Corp | Circuit board |
| CN104125735A (en) * | 2014-07-30 | 2014-10-29 | 珠海格力电器股份有限公司 | Electric box, household appliance and air conditioner with flammable and explosive refrigerant |
| CN106247473A (en) * | 2016-09-22 | 2016-12-21 | 珠海格力电器股份有限公司 | Window air conditioner |
| CN206739451U (en) * | 2017-01-05 | 2017-12-12 | 江苏百科电器有限公司 | A kind of novel integral air conditioner |
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2020
- 2020-07-15 CN CN202010682148.3A patent/CN111836520B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111836520A (en) | 2020-10-27 |
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