CN104848438A - Variable frequency air conditioner and radiator of outdoor nit thereof - Google Patents
Variable frequency air conditioner and radiator of outdoor nit thereof Download PDFInfo
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- CN104848438A CN104848438A CN201510260099.3A CN201510260099A CN104848438A CN 104848438 A CN104848438 A CN 104848438A CN 201510260099 A CN201510260099 A CN 201510260099A CN 104848438 A CN104848438 A CN 104848438A
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- air
- outdoor unit
- expansion valve
- heat abstractor
- module
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a radiator of an outdoor unit of a variable frequency air conditioner. The radiator comprises a condenser, an outdoor electronic expansion valve, an outdoor unit liquid-side stop valve, an evaporator set, a gas-liquid separator and an electronic control box used for electronically controlling the outdoor unit; the condenser, the outdoor electronic expansion valve, the outdoor unit liquid-side stop valve, the evaporator set and the gas-liquid separator are connected in order through an air conditioning line. A radiating line connected to the inlet end of the gas-liquid separator is provided on the air conditioning line between the outdoor electronic expansion valve and the outdoor unit liquid-side stop valve. The radiating line is provided with a modular radiating device mounted within the electronic control box. The modular radiating device comprises a radiating structure and a coolant line communicated with the radiating line; the input end of the coolant line; the input end of the coolant line is provided with an electronic expansion valve which controls coolant flow. The electronic expansion valve at the input end of the coolant line controls the flow of the coolant in the coolant line; part of the coolant flows into the coolant line to dissipate the heat of the electronic control box, thus operational stability of a compressor of the variable frequency air conditioner is guaranteed. The invention further provides the variable frequency air conditioner.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly, relate to a kind of convertible frequency air-conditioner and air-conditioner outdoor unit heat abstractor.
Background technology
A large amount of electronic heating element is had in the electric-controlled box of frequency-variable air conditioner outdoor machine, and most crucial, most important element in the frequency-changeable compressor driver module outer electromechanical control box that is frequency conversion room, be also maximum heater element.This module caloric value when compressor operating is large, if heat dissipates not in time, maintains in a rational scope, usually can burn out frequency conversion drive module.
And the electric-controlled box of traditional frequency-variable air conditioner outdoor machine, wind is flow through from electric-controlled box inside the heat taken away various electronic component and distribute by the negative pressure that the blower fan generally run by off-premises station is produced when rotating, but this mode is limited by the environment of frequency-variable air conditioner outdoor machine work and the impact of outdoor environment temperature, under some adverse circumstances, this radiating mode is not enough to heat to take away make the most important heater element of convertible frequency air-conditioner--and frequency conversion drive module maintains in safe operating temperature.
Therefore, how realizing effectively distributing heat in electric-controlled box, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of air-conditioner outdoor unit heat abstractor, to realize effectively distributing heat in electric-controlled box; Present invention also offers a kind of convertible frequency air-conditioner.
In order to achieve the above object, the invention provides following technical scheme:
A kind of air-conditioner outdoor unit heat abstractor, comprise by the condenser of air-conditioning duct order UNICOM, outdoor electrical expansion valve, off-premises station liquid side stop valve, evaporator bank and gas-liquid separator, and to the electronically controlled electric-controlled box of off-premises station, air-conditioning duct between described outdoor electrical expansion valve and described off-premises station liquid side stop valve offers the heat dissipation pipeline being communicated to described gas-liquid separator arrival end, described heat dissipation pipeline is provided with the module radiating device be installed in described electric-controlled box, described module radiating device comprises radiator structure and the refrigerant pipeline with described heat dissipation pipeline UNICOM, the input of described refrigerant pipeline arranges the electric expansion valve controlling refrigerant flow.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, the driven compressor module of described electric-controlled box is installed on described module radiating device.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, described driven compressor module is frequency-changeable compressor driver module.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, described radiator structure is radiator structure prepared by aluminum thermal fin, and described refrigerant pipeline is fixedly installed on described aluminum thermal fin.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, be provided with the module temperature detecting sensor detecting described module radiating device temperature in described electric-controlled box, and control the controller of described electric expansion valve unlatching when the temperature of described module radiating device exceeds threshold value.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, the temperature that described controller controls the corresponding described module radiating device of described electric expansion valve unlatching is greater than 70 DEG C, and the temperature that described controller controls the corresponding described module radiating device of described electric expansion valve cut out is less than 60 DEG C.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, described condenser is air-cooled condenser or water-cooled condenser.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, the unlatching aperture of described electric expansion valve is the aperture of 280-330 pulse.
Preferably, in above-mentioned air-conditioner outdoor unit heat abstractor, described air-conditioning duct is provided with compressor of air conditioner, described compressor is separate unit frequency-changeable compressor or the frequency-changeable compressor be arranged in parallel and constant speed compressor.
A kind of convertible frequency air-conditioner, is provided with the air-conditioner outdoor unit heat abstractor as described in claim 1-9 any one in described convertible frequency air-conditioner.
Air-conditioner outdoor unit heat abstractor provided by the invention, comprise by the condenser of air-conditioning duct order UNICOM, outdoor electrical expansion valve, off-premises station liquid side stop valve, evaporator bank and gas-liquid separator, and to the electronically controlled electric-controlled box of off-premises station, air-conditioning duct between outdoor electrical expansion valve and off-premises station liquid side stop valve offers the heat dissipation pipeline being communicated to gas-liquid separator arrival end, heat dissipation pipeline is provided with the module radiating device be installed in electric-controlled box, module radiating device comprises radiator structure and the refrigerant pipeline with heat dissipation pipeline UNICOM, the input of refrigerant pipeline arranges the electric expansion valve controlling refrigerant flow.Air-conditioning refrigerant circulates in air-conditioning duct, cold-producing medium enters the air-conditioning duct between outdoor electrical expansion valve and off-premises station liquid side stop valve by condenser, work is carried out by evaporator bank, final inflow gas-liquid separator enters next refrigerant circulation, electric-controlled box controls the co-ordination of each parts in air-conditioning, by the module radiating device in heat dissipation pipeline UNICOM electric-controlled box, in electric-controlled box, heat exchange is carried out, by the flow of the electronic expansion valve controls refrigerant pipeline inner refrigerant of refrigerant pipeline input by the refrigerant pipeline in module radiating device and radiator structure.When in electric-controlled box, temperature is too high, by unlocking electronic expansion valve, part of refrigerant in air-conditioning duct is made to flow into refrigerant pipeline, and by radiator structure, electric-controlled box is dispelled the heat, thus make operating temperature in electric-controlled box not be subject to the impact of other conditions such as environment temperature, guarantee that in the electric-controlled box under any environmental working condition, operating temperature is in safe range, greatly improve the automatically controlled reliability of frequency-variable air conditioner outdoor machine, ensure the stability of convertible frequency air-conditioner inner compressor work.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the arrangement schematic diagram of air-conditioner outdoor unit heat abstractor provided by the invention.
Detailed description of the invention
The invention discloses a kind of air-conditioner outdoor unit heat abstractor, achieve effectively distributing heat in electric-controlled box; Present invention also offers a kind of convertible frequency air-conditioner.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, Fig. 1 is the arrangement schematic diagram of air-conditioner outdoor unit heat abstractor provided by the invention.
The invention provides a kind of air-conditioner outdoor unit heat abstractor, comprise by the condenser 4 of air-conditioning duct order UNICOM, outdoor electrical expansion valve 5, off-premises station liquid side stop valve 6, evaporator bank and gas-liquid separator 8, and to the electronically controlled electric-controlled box of off-premises station, air-conditioning duct between outdoor electrical expansion valve 5 and off-premises station liquid side stop valve 6 offers the heat dissipation pipeline 17 being communicated to gas-liquid separator 8 arrival end, heat dissipation pipeline 17 is provided with the module radiating device 10 be installed in electric-controlled box, module radiating device 10 comprises radiator structure and the refrigerant pipeline 18 with heat dissipation pipeline 17 UNICOM, the input of refrigerant pipeline 18 arranges the electric expansion valve 9 controlling refrigerant flow.
Air-conditioning refrigerant circulates in air-conditioning duct, cold-producing medium enters the air-conditioning duct between outdoor electrical expansion valve 5 and off-premises station liquid side stop valve 6 by condenser 4, circulated by evaporator bank, final inflow gas-liquid separator 8 enters next refrigerant circulation, electric-controlled box controls the co-ordination of each parts in air-conditioning, by the module radiating device 10 in heat dissipation pipeline 17 UNICOM electric-controlled box, in electric-controlled box, heat exchange is carried out by the refrigerant pipeline 18 in module radiating device 10 and radiator structure, the flow of refrigerant pipeline 18 inner refrigerant is controlled by the electric expansion valve 9 of refrigerant pipeline 18 input.When in electric-controlled box, temperature is too high, by unlocking electronic expansion valve 9, part of refrigerant in air-conditioning duct is made to flow into refrigerant pipeline 18, and by radiator structure, electric-controlled box is dispelled the heat, thus make operating temperature in electric-controlled box not be subject to the impact of other conditions such as environment temperature, guarantee that in the electric-controlled box under any environmental working condition, operating temperature is in safe range, greatly improve the automatically controlled reliability of frequency-variable air conditioner outdoor machine, ensure the stability of convertible frequency air-conditioner inner compressor work.
Evaporator bank comprises the multiple evaporimeters be arranged in parallel, particularly, comprise two groups of evaporimeters 15,16, the input of evaporimeter 15 arranges interior organic electronic expansion valve 13 and controls to flow into evaporimeter 15 inner refrigerant flow, similarly, the input of evaporimeter 16 arranges interior organic electronic expansion valve 14, thus ensure the normal work of evaporator bank, the output of evaporator bank arranges off-premises station gas side stop valve 7, in order to control the pressure of air-conditioning duct inner refrigerant after refrigerant vapor, ensure normally carrying out of refrigeration work.Air-conditioning duct is also communicated with the device such as oil eliminator 2 and cross valve 3, to ensure the normal work of whole air-conditioning system.
In the present invention one specific embodiment, the driven compressor module 11 of electric-controlled box is installed on module radiating device 10.Driven compressor module 11 is the most important heater elements in off-premises station electric-controlled box, driven compressor module 11 is arranged on module radiating device 10, directly driven compressor module 11 is dispelled the heat by module radiating device 10, improve the temperature controlled validity of electric-controlled box by the mode of directly dispelling the heat, shorten the temperature control time.
In the present invention one specific embodiment, driven compressor module 11 is frequency-changeable compressor driver module.To adapt to the control overflow to the automatically controlled frequency-changeable compressor driver module of the frequency-changeable compressor of convertible frequency air-conditioner.
In the present invention one specific embodiment, radiator structure is radiator structure prepared by aluminum thermal fin, and refrigerant pipeline 18 is fixedly installed on aluminum thermal fin.Aluminum thermal fin has good radiating effect, and improve the radiating effect to electric-controlled box inner compressor driver module 11 and radiating efficiency, refrigerant pipeline is installed on aluminum thermal fin, ensures that the cold of refrigerant pipeline sheds.
In the present invention one specific embodiment, in electric-controlled box, be provided with the module temperature detecting sensor 12 of detection module heat abstractor 10 temperature, and control the controller of electric expansion valve 9 unlatching when the temperature of module radiating device 10 exceeds threshold value.Electric expansion valve 9 controls the opening and closing of refrigerant pipeline, and controls the flow of refrigerant pipeline 18 inner refrigerant.The unlatching of electric expansion valve 9 is opened according to thermal adaptability in electric-controlled box, when in electric-controlled box, temperature is lower, the control to electric-controlled box temperature can be completed by the blower fan of self in off-premises station, when temperature in electric-controlled box raises, utilize blower fan can not efficiently radiates heat time, unlocking electronic expansion valve 9 by cold-producing medium participate in the cooling of electric-controlled box is controlled.The temperature of module temperature detecting sensor 12 pairs of module radiating devices 10 is utilized to detect, driven compressor module 11 is installed on module radiating device 10, the temperature of the module radiating device 10 detected is the temperature of driven compressor module 11, certainly, the installation site of module temperature detecting sensor 12 specifically can be arranged according to the heat dispersal situations of parts each in electric-controlled box.
In the present invention one specific embodiment, the temperature that controller control electric expansion valve 9 opens respective modules heat abstractor 10 is greater than 70 DEG C, and the temperature that controller control electric expansion valve 9 closes respective modules heat abstractor is less than 60 DEG C.When the temperature of the module radiating device that module temperature detecting sensor 12 detects is higher than 70 DEG C, electric expansion valve 9 opening module heat abstractor 10 gets involved the heat radiation participated in electric-controlled box, continued electric-controlled box by module radiating device 10, be specially driven compressor module 11, cooling, the temperature detected, lower than after 60 DEG C, controls electric expansion valve 9 and closes, and avoids lasting loss of cold-producing medium to affect the normal work of condenser or evaporator bank.Arrange the electrically-controlled controller controlled the unlatching of electric expansion valve 9 in electric-controlled box, it is encased in the control system of electric-controlled box, in order to coordinate the normal work of convertible frequency air-conditioner Each part.
In the present invention one specific embodiment, condenser 4 is air-cooled condenser or water-cooled condenser.
In the present invention one specific embodiment, the unlatching aperture of electric expansion valve 9 is the aperture of 280-330 pulse.Preferably, the aperture of electric expansion valve 9 is set to the aperture of 300 pulses, while utilizing cold-producing medium to get involved in electric-controlled box work of dispelling the heat, avoids the loss of too much cold-producing medium to affect the operating efficiency of whole air-conditioning system.
In the present invention one specific embodiment, air-conditioning duct is provided with compressor of air conditioner 1, compressor 1 is separate unit frequency-changeable compressor or the frequency-changeable compressor be arranged in parallel and constant speed compressor.Compressor 1 pair of refrigerant compression, compressor is set to separate unit frequency-changeable compressor, or be arranged in parallel by a frequency-changeable compressor and a constant speed compressor and carry out refrigerant compression work, certainly, compressor can arrange two frequency-changeable compressors and be arranged in parallel, to adapt to the working condition requirement of whole air-conditioning system.
Based on the air-conditioner outdoor unit heat abstractor provided in above-described embodiment, present invention also offers a kind of convertible frequency air-conditioner, this convertible frequency air-conditioner is provided with the air-conditioner outdoor unit heat abstractor as provided in above-described embodiment.
Because this convertible frequency air-conditioner have employed the air-conditioner outdoor unit heat abstractor of above-described embodiment, so the beneficial effect that this convertible frequency air-conditioner is brought by air-conditioner outdoor unit heat abstractor please refer to above-described embodiment.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an air-conditioner outdoor unit heat abstractor, comprise by the condenser of air-conditioning duct order UNICOM (4), outdoor electrical expansion valve (5), off-premises station liquid side stop valve (6), evaporator bank and gas-liquid separator (8), and to the electronically controlled electric-controlled box of off-premises station, it is characterized in that, air-conditioning duct between described outdoor electrical expansion valve (5) and described off-premises station liquid side stop valve (6) offers the heat dissipation pipeline (17) being communicated to described gas-liquid separator (8) arrival end, described heat dissipation pipeline (17) is provided with the module radiating device (10) be installed in described electric-controlled box, described module radiating device (10) comprises radiator structure and the refrigerant pipeline (18) with described heat dissipation pipeline (17) UNICOM, the input (18) of described refrigerant pipeline arranges the electric expansion valve (9) controlling refrigerant flow.
2. air-conditioner outdoor unit heat abstractor according to claim 1, is characterized in that, the driven compressor module (11) of described electric-controlled box is installed on described module radiating device (10).
3. air-conditioner outdoor unit heat abstractor according to claim 2, is characterized in that, described driven compressor module (11) is frequency-changeable compressor driver module.
4. air-conditioner outdoor unit heat abstractor according to claim 1, is characterized in that, described radiator structure is radiator structure prepared by aluminum thermal fin, and described refrigerant pipeline (18) is fixedly installed on described aluminum thermal fin.
5. air-conditioner outdoor unit heat abstractor according to claim 1, it is characterized in that, be provided with in described electric-controlled box and detect the module temperature detecting sensor (12) of described module radiating device (10) temperature, and control the controller that described electric expansion valve (9) opens when the temperature of described module radiating device (10) exceeds threshold value.
6. air-conditioner outdoor unit heat abstractor according to claim 5, it is characterized in that, described controller controls the temperature that described electric expansion valve (9) opens corresponding described module radiating device (10) and is greater than 70 DEG C, and described controller controls the temperature that described electric expansion valve (9) closes corresponding described module radiating device (10) and is less than 60 DEG C.
7. air-conditioner outdoor unit heat abstractor according to claim 1, is characterized in that, described condenser (4) is air-cooled condenser or water-cooled condenser.
8. air-conditioner outdoor unit heat abstractor according to claim 1, is characterized in that, the unlatching aperture of described electric expansion valve (9) is the aperture of 280-330 pulse.
9. air-conditioner outdoor unit heat abstractor according to claim 1, it is characterized in that, described air-conditioning duct is provided with compressor of air conditioner (1), described compressor (1) is separate unit frequency-changeable compressor or the frequency-changeable compressor be arranged in parallel and constant speed compressor.
10. a convertible frequency air-conditioner, is characterized in that, is provided with the air-conditioner outdoor unit heat abstractor as described in claim 1-9 any one in described convertible frequency air-conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260099.3A CN104848438A (en) | 2015-05-20 | 2015-05-20 | Variable frequency air conditioner and radiator of outdoor nit thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510260099.3A CN104848438A (en) | 2015-05-20 | 2015-05-20 | Variable frequency air conditioner and radiator of outdoor nit thereof |
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| CN104848438A true CN104848438A (en) | 2015-08-19 |
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| CN201510260099.3A Pending CN104848438A (en) | 2015-05-20 | 2015-05-20 | Variable frequency air conditioner and radiator of outdoor nit thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674433A (en) * | 2016-03-04 | 2016-06-15 | 青岛海尔空调器有限总公司 | Frequency converter air-conditioning system for high-temperature environment |
| CN107084483A (en) * | 2017-04-13 | 2017-08-22 | 青岛海尔空调器有限总公司 | A kind of air conditioner and control method |
| WO2018141150A1 (en) * | 2017-02-04 | 2018-08-09 | 海尔集团公司 | Control method and device for air conditioner, and air conditioner |
| WO2019149167A1 (en) * | 2018-01-31 | 2019-08-08 | 青岛海尔空调电子有限公司 | Air conditioner heat dissipation structure control method and system |
| WO2020052279A1 (en) * | 2018-09-10 | 2020-03-19 | 合肥美的暖通设备有限公司 | Electric control component for outdoor unit of air conditioner, outdoor unit of air conditioner and air conditioner |
| CN111256292A (en) * | 2020-02-13 | 2020-06-09 | 海信（山东）空调有限公司 | Air conditioner and control method thereof |
| CN111442417A (en) * | 2020-04-09 | 2020-07-24 | 广东美的制冷设备有限公司 | Air conditioner, control method and control device thereof, and computer readable storage medium |
| CN114111086A (en) * | 2020-08-26 | 2022-03-01 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN114383263A (en) * | 2022-01-20 | 2022-04-22 | 宁波奥克斯电气股份有限公司 | Refrigerant heat dissipation control method and device and multi-connected air conditioner |
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| CN114111086A (en) * | 2020-08-26 | 2022-03-01 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN114383263A (en) * | 2022-01-20 | 2022-04-22 | 宁波奥克斯电气股份有限公司 | Refrigerant heat dissipation control method and device and multi-connected air conditioner |
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Application publication date: 20150819 |