CN107676875A - Transducer air conditioning - Google Patents

Transducer air conditioning Download PDF

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Publication number
CN107676875A
CN107676875A CN201710977905.8A CN201710977905A CN107676875A CN 107676875 A CN107676875 A CN 107676875A CN 201710977905 A CN201710977905 A CN 201710977905A CN 107676875 A CN107676875 A CN 107676875A
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CN
China
Prior art keywords
valve port
heat exchanger
air conditioning
compressor
transducer air
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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
CN201710977905.8A
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Chinese (zh)
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CN107676875B (en
Inventor
黄招彬
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.)
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Guangdong Midea Refrigeration Equipment 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.)
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Publication date
Application filed by Guangdong Midea Refrigeration Equipment Co Ltd filed Critical Guangdong Midea Refrigeration Equipment Co Ltd
Priority to CN201710977905.8A priority Critical patent/CN107676875B/en
Publication of CN107676875A publication Critical patent/CN107676875A/en
Application granted granted Critical
Publication of CN107676875B publication Critical patent/CN107676875B/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
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units

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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)
  • Compressor (AREA)

Abstract

The invention discloses a kind of transducer air conditioning, transducer air conditioning includes compressor, indoor heat exchanger and outdoor heat exchanger, compressor has exhaust outlet and air entry, compressor includes compression mechanical part and motor section, compression mechanical part includes two cylinders and bent axle, each cylinder is provided with reciprocating slide plate, bent axle is provided with the eccentric part in two cylinders, motor section is three-phase motor with permanent magnets, induced voltage constant is no more than 45Vrms/Krpm between the line of three-phase motor with permanent magnets, the compressor is in rated voltage, mechanical frequency is run under standard condition and is not less than 100Hz, one of them in indoor heat exchanger and outdoor heat exchanger is connected with exhaust outlet, another in indoor heat exchanger and outdoor heat exchanger is connected with air entry.According to the transducer air conditioning of the present invention, it while the alternating temperature performance of transducer air conditioning is ensured, can mitigate the weight of transducer air conditioning, have again compared with high workload reliability.

Description

Transducer air conditioning
Technical field
The present invention relates to household appliance technical field, in particular to a kind of transducer air conditioning.
Background technology
In correlation technique, the outdoor unit weight of convertible frequency air-conditioner is all relatively bigger than normal, is unfavorable for air-conditioner installation people and carries, installs With maintenance, difficulty and danger that personnel carry outdoor unit in work high above the ground are added.The compressor of outdoor unit and condensation Device is the maximum two parts of weight, wherein, the model of condenser decides the heat transfer effect of convertible frequency air-conditioner, can not arbitrarily reduce. Therefore the weight for needing to reduce compressor is to reduce outdoor unit weight.
To reduce the weight of compressor, it is necessary to reduce the row of compressor while the alternating temperature performance of convertible frequency air-conditioner is ensured Measure and improve the rotating speed of compressor, however, the high-speed cruising of common compressor can be because load torque fluctuation causes greatly rotating speed ripple It is dynamic big, and then influence the reliability of compressor.Meanwhile common compressor high-speed cruising can enter weak magnetic field operation state, so as to increase The copper loss of big compressor, compressor operating efficiency is reduced, and then reduce frequency-conversion air-conditioning system efficiency.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention carries Go out a kind of at least to a certain extent while alternating temperature performance is ensured, can mitigate weight and can has higher reliability Transducer air conditioning.
According to transducer air conditioning of the present invention, including compressor, indoor heat exchanger and outdoor heat exchanger, the compression Machine has exhaust outlet and air entry, and the compressor includes compression mechanical part and motor section, and the compression mechanical part includes two Cylinder and bent axle, each cylinder are provided with reciprocating slide plate, and the bent axle is provided with described two cylinders Eccentric part, the motor section are three-phase motor with permanent magnets, and induced voltage constant is no more than between the line of the three-phase motor with permanent magnets 45Vrms/Krpm, compressor operation mechanical frequency under rated voltage power supply, standard condition are not less than 100Hz, the room One of them in interior heat exchanger and the outdoor heat exchanger is connected with the exhaust outlet, the indoor heat exchanger and the outdoor Another in heat exchanger is connected with the air entry.
, can be while the alternating temperature performance of transducer air conditioning be ensured according to transducer air conditioning of the present invention, can Mitigate the weight of transducer air conditioning, have again compared with high workload reliability.
According to transducer air conditioning of the present invention, the angle between described two eccentric parts is 180 °.Thus compressor At work, bent axle is tended towards stability by the change for the load torque that two eccentric parts apply, and improves the stressing conditions of bent axle, Compressor operating is more reliable.
According to transducer air conditioning of the present invention, the motor section is permagnetic synchronous motor or DC brushless motor.By This, the operation of motor section is more steady, ensures that compressor operating is reliable.
According to transducer air conditioning of the present invention, the transducer air conditioning also includes commutation component, the commutation component Including exhaust valve port, air-breathing valve port, indoor valve port and outdoor valve port, wherein one in the exhaust valve port and the air-breathing valve port Individual to be connected with the indoor valve port switching, another in the exhaust valve port and the air-breathing valve port is cut with the outdoor valve port Connection is changed, the exhaust valve port is connected with the exhaust outlet, and the air-breathing valve port is connected with the air entry, the indoor valve port It is connected with the indoor heat exchanger, the outdoor valve port is connected with the outdoor heat exchanger.Thus, can be real by the component that commutates Existing conversion of the transducer air conditioning between heating and refrigeration.
Further, the commutation component is four-way valve.It is possible thereby to realize in exhaust valve port and air-breathing valve port wherein One connect with the switching of indoor valve port, and realizes another and outdoor valve port the switching company in exhaust valve port and air-breathing valve port It is logical, so as to realize conversion of the transducer air conditioning between heating and refrigeration.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein:
Fig. 1 is the structural representation of the transducer air conditioning of the embodiment of the present invention;
Fig. 2 is the structural representation of the compressor of the embodiment of the present invention.
Reference:
Transducer air conditioning 100, compressor 1, cylinder 11, compression chamber 111, median septum 12, bent axle 13, eccentric part 131, throttling Element 2, indoor heat exchanger 3, indoor fan 4, outdoor heat exchanger 5, outdoor fan 6, commutate component 7.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base In orientation shown in the drawings or position relationship, description description of the invention and simplified, rather than instruction or hint are for only for ease of Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this The limitation of invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect or can communicate with one another;Can be joined directly together, can also be indirectly connected by intermediary, can To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Below in conjunction with the accompanying drawings and with reference to the specific embodiment description present invention.
The transducer air conditioning 100 that Fig. 1 and Fig. 2 describes the embodiment of the present invention is combined first.
As depicted in figs. 1 and 2, the transducer air conditioning 100 of the embodiment of the present invention can include outdoor unit and indoor set, outdoor Machine includes compressor 1 and the restricting element 2 for being throttled to refrigerant.Indoor set includes indoor heat exchanger 3 and indoor fan 4, outdoor unit also includes outdoor heat exchanger 5 and outdoor fan 6.
As shown in Fig. 2 compressor 1 can have exhaust outlet and air entry, compressor 1 can include compression mechanical part and electricity Machine portion, compression mechanical part can include two cylinders 11 and bent axle 13, can be provided with median septum 12 between two cylinders 11, each Cylinder 11 can be provided with compression chamber 111, and reciprocating slide plate can be provided with each cylinder 11, and bent axle 13, which can be provided with, to be located at Eccentric part 131 in two cylinders 11.
Motor section can be three-phase motor with permanent magnets, and one of them in indoor heat exchanger 3 and outdoor heat exchanger 5 can be with row Gas port is connected, and another in indoor heat exchanger 3 and outdoor heat exchanger 5 can be connected with air entry.
Ensure transducer air conditioning 100 with stronger thermoregulation effect, it is necessary to make transducer air conditioning 100 with larger cold Matchmaker's volume flow.And refrigerant volume flow (cm3/ s)=compressor displacement (cm3/ rev) × mechanical separator speed (rev/s), if will Keep refrigerant volume flow suitable, the discharge capacity of compressor 1 can be reduced by improving the mechanical separator speed of compressor 1, so as to drop The weight of low compressor 1.
In addition, to make the working condition of compressor 1 meet the less work of non-weak magnetic working condition or weak magnetoelectricity stream State, so that transducer air conditioning 100 has a higher efficiency, the operation mechanical frequency of compressor 1 needs to meet under standard condition: Induced voltage constant (Vrms/krpm) × k between the operation mechanical frequency of compressor 1≤DC bus-bar voltage (V)/line.
Wherein, k can be the unit conversion coefficient of setting, and induced voltage constant (i.e. back-emf virtual value between line) can between line Think induced voltage virtual value between line when frequency-changeable compressor 1 operates in 1000 revolutions per minute, DC bus-bar voltage can refer to frequency conversion IPM modules (Intelligent Power Module, Chinese in the drive control device of compressor 1:SPM) Supply voltage.
Induced voltage constant can be no more than 45Vrms/Krpm between the line of three-phase motor with permanent magnets, i.e., when compressor 1 operates in During 1000 revolutions per minute rotating speed, induced voltage virtual value is no more than 45V between the line of compressor 1.Thus, it is possible to show that compressor 1 meets The maximum (top) speed of the less working condition of non-weak magnetic working condition or weak magnetoelectricity stream, so as to show that compressor 1 meets one The minimum injection rate of refrigerant volume flow is determined, so that it is determined that the minimum volume of compressor 1.
Transducer air conditioning 100 can be air conditioner, or simple refrigeration air conditioner, or simple heating Air conditioner.
When transducer air conditioning 100 is air conditioner, standard condition can include specified cooling condition and specified heating Operating mode.When transducer air conditioning 100 is simple refrigeration air conditioner, standard condition can include specified cooling condition.When frequency conversion is empty When tune device 100 is simple heating air conditioner, standard condition can include specified heating condition.
Specified cooling condition can be 27 DEG C of indoor dry-bulb temperature, 19 DEG C of wet-bulb temperature, 35 DEG C of outside dry-bulb temperature, 24 DEG C of wet-bulb temperature.Specified heating condition can be 20 DEG C of indoor dry-bulb temperature, 15 DEG C of wet-bulb temperature, outside dry-bulb temperature 7 DEG C, 6 DEG C of wet-bulb temperature.
Compressor 1 is powered, under standard condition in rated voltage, and the operation mechanical frequency of compressor 1 can be not less than 100Hz, the rated voltage of compressor 1 can be 220V single-phase AC voltage, and rated voltage can be transducer air conditioning 100 Nameplate shown in rated voltage or rated operational voltage.It is possible thereby to ensure that the discharge capacity of compressor 1 can be smaller so that compression The lighter in weight of machine 1, while the operation mechanical frequency of compressor 1 can meet the temperature adjusting performance demand of transducer air conditioning 100.
Transducer air conditioning 100 according to embodiments of the present invention, by setting two cylinders 11 in compressor 1, and make three Induced voltage constant is no more than 45Vrms/Krpm between the line of phase magneto, can ensure the poecilothermia of transducer air conditioning 100 While energy, the weight of the outdoor unit of transducer air conditioning 100 can be mitigated, had again compared with high workload reliability.
In some specific embodiments, when DC bus-bar voltage is 380V, the efficiency according to transducer air conditioning 100 will To ask, the operation mechanical frequency of compressor 1 is no more than the critical mechanical frequency of weak magnetic field operation under standard condition, thus, not collinear sense The relation of table 1 can be met by answering the operation mechanical frequency of compressor 1 under the standard condition corresponding to voltage constant.
The relation for running induced voltage constant between mechanical frequency and line of compressor 1 under table 1- standard conditions
In some specific embodiments, when DC bus-bar voltage is 380V, the efficiency according to transducer air conditioning 100 will Ask, the operation mechanical frequency of compressor 1 is no more than the critical mechanical frequency of weak magnetic field operation under standard condition, thus, works as standard condition Under, the operation mechanical frequency of compressor 1 be respectively 100Hz, 110Hz, 120Hz, 130Hz, 140Hz, 150Hz, 160Hz, When 170Hz, 180Hz, 190Hz and 200Hz, it is as shown in table 2 must to be fulfilled for condition for induced voltage constant between corresponding line.
The relation for running induced voltage constant between mechanical frequency and line of compressor 1 under table 2- standard conditions
In some specific embodiments, as shown in Fig. 2 the angle between two eccentric parts 131 can be 180 °.Thus At work, bent axle 13 is relative by the force direction of two eccentric parts 131 for compressor 1, and the change of the load torque of application becomes In gentle, the stressing conditions of bent axle 13 are improved, compressor 1 works more reliable.
In some specific embodiments, motor section can be permagnetic synchronous motor or DC brushless motor.Thus, motor The operation in portion is more steady, ensures the reliable operation of compressor 1.
In some optional embodiments, transducer air conditioning 100 can be air conditioner, as shown in figure 1, convertible frequency air-conditioner Device 100 can also include commutation component 7, and commutation component 7 can include exhaust valve port, air-breathing valve port, indoor valve port and outdoor valve Mouthful, one of them in exhaust valve port and air-breathing valve port can connect with the switching of indoor valve port, in exhaust valve port and air-breathing valve port Another can with outdoor valve port switch connect.
Exhaust valve port can be connected with exhaust outlet, and air-breathing valve port can be connected with air entry, and indoor valve port can be with interior Heat exchanger 3 is connected, and outdoor valve port can be connected with outdoor heat exchanger 5.Thus, convertible frequency air-conditioner can be realized by the component 7 that commutates Conversion of the device 100 between heating and refrigeration.
Specifically, the component 7 that commutates can be four-way valve.It is possible thereby to realize wherein one in exhaust valve port and air-breathing valve port The individual switching with indoor valve port connect, and realize in exhaust valve port and air-breathing valve port another switch with outdoor valve port and connect, So as to realize conversion of the transducer air conditioning 100 between heating and refrigeration.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (5)

  1. A kind of 1. transducer air conditioning, it is characterised in that including:
    Compressor, the compressor have exhaust outlet and air entry, and the compressor includes compression mechanical part and motor section, described Compression mechanical part includes two cylinders and bent axle, and each cylinder is provided with reciprocating slide plate, and the bent axle is provided with position Eccentric part in described two cylinders, the motor section are three-phase motor with permanent magnets, are sensed between the line of the three-phase motor with permanent magnets Voltage constant is no more than 45Vrms/Krpm, and the compressor runs mechanical frequency under rated voltage, standard condition and is not less than 100Hz;
    Indoor heat exchanger and outdoor heat exchanger, one of them in the indoor heat exchanger and the outdoor heat exchanger and the row Gas port is connected, and another in the indoor heat exchanger and the outdoor heat exchanger is connected with the air entry.
  2. 2. transducer air conditioning according to claim 1, it is characterised in that the angle between described two eccentric parts is 180°。
  3. 3. transducer air conditioning according to claim 1, it is characterised in that the motor section is permagnetic synchronous motor or direct current Brushless electric machine.
  4. 4. transducer air conditioning according to claim 1, it is characterised in that the transducer air conditioning also includes commutation component, The commutation component includes exhaust valve port, air-breathing valve port, indoor valve port and outdoor valve port, the exhaust valve port and the inlet valve One of them in mouthful connects with the indoor valve port switching, another and institute in the exhaust valve port and the air-breathing valve port Outdoor valve port switching connection is stated, the exhaust valve port is connected with the exhaust outlet, and the air-breathing valve port is connected with the air entry, The indoor valve port is connected with the indoor heat exchanger, and the outdoor valve port is connected with the outdoor heat exchanger.
  5. 5. transducer air conditioning according to claim 4, it is characterised in that the commutation component is four-way valve.
CN201710977905.8A 2017-10-17 2017-10-17 Variable frequency air conditioner Active CN107676875B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710977905.8A CN107676875B (en) 2017-10-17 2017-10-17 Variable frequency air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710977905.8A CN107676875B (en) 2017-10-17 2017-10-17 Variable frequency air conditioner

Publications (2)

Publication Number Publication Date
CN107676875A true CN107676875A (en) 2018-02-09
CN107676875B CN107676875B (en) 2024-07-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101403545A (en) * 2008-10-31 2009-04-08 广东美芝制冷设备有限公司 Heat pump type air conditioner
CN104110775A (en) * 2013-09-13 2014-10-22 广东美的制冷设备有限公司 Frequency-conversion air conditioner operation control method and device
JP2016102639A (en) * 2014-11-28 2016-06-02 ダイキン工業株式会社 Rotary type compressor and air conditioner with the same
CN106705473A (en) * 2015-08-17 2017-05-24 珠海格力节能环保制冷技术研究中心有限公司 Heat exchange system
CN207299223U (en) * 2017-10-17 2018-05-01 广东美的制冷设备有限公司 Transducer air conditioning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101403545A (en) * 2008-10-31 2009-04-08 广东美芝制冷设备有限公司 Heat pump type air conditioner
CN104110775A (en) * 2013-09-13 2014-10-22 广东美的制冷设备有限公司 Frequency-conversion air conditioner operation control method and device
JP2016102639A (en) * 2014-11-28 2016-06-02 ダイキン工業株式会社 Rotary type compressor and air conditioner with the same
CN106705473A (en) * 2015-08-17 2017-05-24 珠海格力节能环保制冷技术研究中心有限公司 Heat exchange system
CN207299223U (en) * 2017-10-17 2018-05-01 广东美的制冷设备有限公司 Transducer air conditioning

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