WO2021088295A1 - 一种空调器室外机和空调器 - Google Patents

一种空调器室外机和空调器 Download PDF

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Publication number
WO2021088295A1
WO2021088295A1 PCT/CN2020/080139 CN2020080139W WO2021088295A1 WO 2021088295 A1 WO2021088295 A1 WO 2021088295A1 CN 2020080139 W CN2020080139 W CN 2020080139W WO 2021088295 A1 WO2021088295 A1 WO 2021088295A1
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WIPO (PCT)
Prior art keywords
pipeline
contact point
elastic
wall
air conditioner
Prior art date
Application number
PCT/CN2020/080139
Other languages
English (en)
French (fr)
Inventor
刘德帅
孙超
熊长友
苏乐
李志青
蔡宗航
Original Assignee
青岛海尔空调电子有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔空调电子有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调电子有限公司
Priority to EP20884108.0A priority Critical patent/EP3967947A4/en
Publication of WO2021088295A1 publication Critical patent/WO2021088295A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/08—Compressors specially adapted for separate outdoor units
    • F24F1/12—Vibration or noise prevention thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • 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
    • F24F1/26—Refrigerant piping

Definitions

  • the invention belongs to the technical field of air conditioning equipment, and in particular relates to an outdoor unit of an air conditioner and an air conditioner.
  • the function of the air conditioning system (referred to as the air conditioner) is to make the indoor air temperature, humidity, air flow speed, cleanliness, freshness and other parameters partially or completely meet the specified indicators according to the requirements of the user.
  • the air conditioner mainly includes the following components: compressor, cold source or heat source, air supply system and control and adjustment devices. According to different working modes, air conditioners are divided into fixed frequency air conditioners and inverter air conditioners.
  • the inverter air conditioner is an air conditioning system in the refrigeration system that controls the refrigerant circulation of the compressor to enter the refrigerant flow into the indoor heat exchanger to timely meet the indoor cooling and heating load regulation requirements.
  • the refrigerant circulation of the compressor is usually adjusted by controlling the frequency of the compressor. That is to say, during the operation of the air conditioner, the compressor will work at different frequencies, and the common range is between 15 Hz and 120 Hz.
  • a gaseous refrigerant or a gas-liquid mixture of refrigerant usually flows in the intake and exhaust pipes of the compressor.
  • the gaseous refrigerant can be compressed and expanded to form a vibration source with a fixed frequency, and the pipeline itself has inherent characteristics. Vibration frequency.
  • the present invention addresses the problem that the wire binding rubber block in the prior art is likely to cause the counterweight to slide during the operation of the air conditioner, and the position change will again change the natural vibration frequency of the pipeline itself, and the effect of shock absorption cannot be achieved.
  • the present invention adopts the following technical solutions to achieve:
  • An outdoor unit of an air conditioner comprising: a compressor; a pipeline through which refrigerant is sucked or discharged from the compressor; and further comprising: a counterweight assembly having: a counterweight on the counterweight An elastic accommodating portion is formed, and the pipeline passes through the elastic accommodating portion and is embedded in the elastic accommodating portion; and a first fixing portion that is connected to the elastic accommodating portion and surrounds the pipeline
  • the part of the outer wall is set to form a first contact point and a second contact point on the outer wall of the pipeline, and the position of the first contact point and the second contact point has a height difference so that the balance weight assembly and the pipeline Form self-locking between.
  • the first fixing part is spiral and made of rigid material, and has: a first end and a second end set higher than the first end, and the first end is connected to the elastic receiving part
  • the elastic deformation of the elastic receiving portion squeezes the first end toward the outer wall of the pipeline to form the first contact point, and the first fixing portion is deformed
  • the second end is pressed against the outer wall of the pipeline to form the second contact point.
  • an elastic limiting portion is provided in the elastic receiving portion, and the first end passes through the elastic limiting portion; the elastic deformation of the elastic receiving portion is squeezed toward the outer wall of the pipeline. Pressing the first end makes the elastic limit portion abut against the outer wall of the pipeline to form the first contact point.
  • the first fixing portion further includes an elastic protection member, and the second end is arranged in the elastic protection member; the deformation of the first fixing portion causes the second end to squeeze the outer wall of the pipeline, so The elastic protector abuts against the outer wall of the pipeline to form a second contact point.
  • the counterweight assembly is particularly suitable for straight pipe sections, which can be prevented from sliding down by self-locking. Therefore, it is preferable that the pipeline is arranged in a vertical direction and has a continuous outer wall extending in the vertical direction.
  • the height difference h between the first contact point and the second contact point along the extension direction of the pipeline satisfies the following condition: ⁇ >h/2x, where ⁇ is the first contact point The coefficient of friction with the second contact point, x is the distance between the center of gravity of the counterweight and the center of the pipeline.
  • the second fixed portion In order to avoid displacement caused by man-made collisions, it also includes: a second fixed portion, the second fixed portion is provided around the outer wall of the pipeline, the second fixed portion is located below the first fixed portion.
  • annular groove is formed on the side of the counterweight away from the elastic accommodating part, and the second fixing part passes through the annular groove and surrounds the outer wall of the pipeline.
  • an air conditioner comprising: a housing installed on the indoor side, in which a compressor and at least one heat exchanger are provided; a pipeline through which refrigerant is sucked Or discharge the compressor; further comprising: a counterweight assembly having: a counterweight, an elastic accommodating part is formed on the counterweight, and the pipeline passes through the elastic accommodating part and is embedded in the elastic accommodating And a first fixing portion, the first fixing portion is connected to the elastic receiving portion and surrounds part of the outer wall of the pipeline to form a first contact point and a second contact point on the outer wall of the pipeline The position of the first contact point and the second contact point have a height difference to form a self-locking between the counterweight assembly and the pipeline.
  • the first fixing part is spiral and made of rigid material, and has: a first end and a second end set higher than the first end, and the first end is connected to the elastic receiving part
  • the elastic deformation of the elastic receiving portion squeezes the first end toward the outer wall of the pipeline to form the first contact point
  • the first fixing portion is elastic
  • the deformation causes the second end to squeeze the outer wall of the pipeline to form the second contact point;
  • the height difference h between the first contact point and the second contact point along the extension direction of the pipeline satisfies the following condition: ⁇ > H/2x, where ⁇ is the friction coefficient between the first contact point and the second contact point, and x is the distance between the center of gravity of the counterweight and the center of the pipeline.
  • the counterweight component Even if it is installed on a vertical pipe section, due to the height difference between the first contact point and the second contact point, the counterweight component and the pipeline can be formed under the weight of the counterweight. Between the self-locking, in the process of long-term use, the counterweight will not move down, to ensure that the pipeline and compressor operating frequency will not resonate, and improve the stability of the air conditioner.
  • Fig. 1 is a schematic structural diagram of an embodiment of an outdoor unit of an air conditioner disclosed in the present invention
  • Figure 2 is a schematic diagram of the structure of the counterweight assembly and the pipeline in a completed state
  • FIG. 3 is a schematic diagram of the structure of the counterweight assembly shown in FIG. 2;
  • FIG. 4 is a schematic structural diagram of the first contact point and the second contact point in the assembled state of the counterweight assembly and the pipeline shown in FIG. 3;
  • Figure 5 is the positional relationship between the height difference between the first contact point and the second contact point along the extension direction of the pipeline, and the distance between the center of the weight block and the center of the pipeline when the assembly of the weight assembly and the pipeline shown in Figure 4 is completed Schematic diagram
  • Figure 6 is a schematic structural view of the first fixing part, the second fixing part and the pipeline in a completed state
  • Fig. 7 is a schematic structural diagram of a specific embodiment of the air conditioner disclosed in the present invention.
  • the terms “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer”, etc. indicate directions or positions The term of relationship is based on the direction or position relationship shown in the drawings, which is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Restrictions on the invention.
  • the terms “first” and “second” are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.
  • Fig. 1 is a schematic structural diagram of a specific embodiment of an outdoor unit of an air conditioner provided by the present invention.
  • the outdoor unit 1 of the air conditioner may include a compressor 2 and pipelines.
  • the pipelines specifically refer to the suction pipe 3 and the discharge pipe 4 communicating with the compressor 2.
  • the refrigerant is sucked into the compressor 2 through the suction pipe 3 or passed through the discharge pipe.
  • the air pipe 4 discharges the compressor 2.
  • the outdoor unit 1 is provided with an air inlet and an air outlet, and the outdoor unit may also be provided with components such as a heat exchanger, an axial flow fan, an axial flow motor, a throttling device, and a four-way valve.
  • Compressor 2 can be a fixed frequency compressor.
  • the power supply of the fixed frequency compressor is directly provided by the mains.
  • the voltage is AC 220V
  • the frequency is 50Hz
  • the theoretical speed is 3000r/min. Due to resistance and other reasons, the actual speed is 2800r/min during operation.
  • the compressor 2 is an inverter compressor
  • the inverter compressor power supply is provided by the inverter module.
  • the analog three-phase alternating current output by the module can vary in frequency within 15-120Hz and voltage within 30-200V. Therefore, the rotation speed of the compressor 2 can be changed in the range of 1500-9000 r/min.
  • the cooling mode as an example, when the speed of the compressor 2 increases, the cooling capacity increases, the cooling effect is accelerated, and the room temperature drops rapidly in the cooling mode.
  • the speed of the compressor 2 decreases, and the cooling capacity drops to maintain the room temperature.
  • the peripheral piping of the compressor 2 when designing the suction pipe 3 and the exhaust pipe 4, it is necessary to consider many factors such as refrigerant resistance, noise, installation of temporary filters, gas-liquid separator design, nozzle position, shell shape, etc. Therefore, the design space of the suction pipe 3 and the exhaust pipe 4 is very small, and it is better to bend as little as possible.
  • the compressor 2 is provided at the bottom of the outdoor unit, but it is not limited to this. It should be understood that the compressor 2 can also be arranged in other positions of the outdoor unit of the air conditioner by adjusting the intake pipe 3 and the exhaust pipe 4 and the internal layout of the casing.
  • a counterweight assembly 10 is provided on the pipeline, and the natural frequency of the pipeline is changed by the counterweight assembly 10 to avoid running noise or operating noise caused by the superposition of the natural frequency of the pipeline and the operating frequency of the compressor. Violent vibration.
  • the counterweight assembly 10 as shown in FIG. 3 can be arranged at any position of the pipeline, and is particularly suitable for installation on a section of pipeline along the vertical direction, as shown in the pipe section 31 in FIG. 2.
  • Such a pipe section 31 has a continuous outer wall extending in the vertical direction.
  • the counterweight assembly 10 mainly includes a counterweight 11.
  • the weight 11 is made of a soft material with elasticity, or is made of a hard material. If a hard material is used to make the counterweight 11, its outer side needs to be covered with a thicker soft material to avoid scratching the pipeline.
  • the soft material can be rubber or other composite materials.
  • the weight of the counterweight 11 can be obtained through software simulation according to the actual compressor 2 model.
  • An elastic receiving portion 12 is formed on the weight 11.
  • the elastic accommodating portion 12 is recessed and is integrally formed with the counterweight 11.
  • the cross-sectional area of the elastic receiving portion 12 is smaller than the arc area of the corresponding position on the outer wall of the pipe.
  • the pipeline passes through the elastic receiving portion 12 and a part of the outer wall is embedded in the elastic receiving portion 12.
  • the counterweight assembly 10 further includes a first fixing portion 13.
  • the first fixing portion 13 is connected to the elastic receiving portion 12.
  • the first fixing portion 13 is arranged around a part of the outer wall of the pipeline to form a first contact point 21 and a second contact point 22 on the outer wall of the pipeline.
  • the positions of the first contact point 21 and the second contact point 22 have a height difference to form a self-locking between the counterweight assembly 10 and the pipeline.
  • the first fixing portion 13 has a spiral shape.
  • the first fixing portion 13 is preferably made of a rigid material, for example, a metal wire with a smooth surface and an appropriate diameter can be used.
  • the first fixing portion 13 can undergo a certain degree of deformation based on the operator's application of a certain external force, so as to facilitate the installation of the counterweight assembly 10 on the outside of the pipeline.
  • the length of the first fixing portion 13 is approximately 70% of the circumference of the outer wall of the pipe, and it is bent into a spiral shape to cover half of the circumference of the outer wall of the pipe.
  • the first fixing portion 13 specifically includes a first end 14 and a second end 15 set higher than the first end 14.
  • the first end 14 is provided in the elastic receiving portion 12.
  • An opening is formed between the first end 14 and the second end 15, and the pipe enters the elastic receiving portion 12 from the opening formed between the first end 14 and the second end 15 and is fitted with the elastic receiving portion 12.
  • the elastic receiving portion 12 undergoes elastic deformation, the restoring force of the elastic material acts on the first end 14 of the first fixing portion 13, and the first end 14 is pressed toward the outer wall of the pipeline to form a second One contact point 21.
  • the first fixing portion 13 itself deforms so that the second end 15 is squeezed against the outer wall of the pipeline to form a second contact point 22. Therefore, contact points are formed on both ends of the outer wall of the pipeline, and self-locking is formed under the action of gravity, so as to ensure that the counterweight assembly 10 will not slide down during use.
  • an elastic limit part 16 is provided in the elastic receiving part 12.
  • the first end 14 extends into the elastic limit portion 16 to form a connection between the two.
  • the elastic accommodating portion 12 elastically deforms and squeezes the first end 14 toward the outer wall of the pipeline so that the elastic limiting portion 16 abuts against the outer wall of the pipeline to form a first contact point 21.
  • the first fixing portion 13 further includes an elastic protective member 17.
  • the second end 15 is arranged in the elastic protector 17, the first fixing portion 13 is deformed so that the second end 15 squeezes the outer wall of the pipeline, and the elastic protector 17 abuts against the outer wall of the pipeline to form a second contact point 22.
  • the elastic limiting portion 16 is preferably formed integrally with the elastic receiving portion 12, and is fixed in a ring shape on a side wall of the elastic receiving portion 12 in contact with the outer wall of the pipeline.
  • the first end 14 protrudes from the elastic receiving portion 12 and is fixed.
  • the elastic protector 17 is preferably an elastic sheath made of a soft material, and its length is approximately one third of the total length of the first fixing portion 13.
  • the elastic protective member 17, the counterweight 11 and the elastic protective sleeve are made of the same material.
  • the friction coefficient of the first contact point 21 and the second contact point 22 the height difference between the first contact point 21 and the second contact point 22 along the extension direction of the pipeline, and the center of gravity of the counterweight 11 and the center of the pipeline The distance between the three ensures the self-locking effect.
  • the friction coefficient of the soft material is determined by looking up the table, that is, the first contact point 21 and the second contact point 22 The coefficient of friction ⁇ . The distance x between the center of the counterweight 11 and the centerline of the pipeline is further determined.
  • the height difference h between the first contact point 21 and the second contact point 22 along the extension direction of the pipeline is determined by the friction coefficient ⁇ and the distance x between the center of gravity of the counterweight 11 and the pipeline centerline. The following conditions are satisfied among the three: ⁇ >h/2x. Therefore, when assembling the counterweight assembly 10, it is only necessary to adjust the extension between the first contact point 21 and the second contact point 22 along the pipeline according to the known coefficient of friction and the distance between the center of gravity of the counterweight 11 and the centerline of the pipeline.
  • the height difference of the direction can guarantee the self-locking effect. Because the height difference only needs to meet the constraints of a range, the operation requirements are reduced at the same time. After the overall shape and weight of the counterweight 11 are designed, the center of gravity can be obtained through computer simulation.
  • a second fixing part 19 is also provided.
  • the second fixing part 19 is arranged around the outer wall of the pipeline.
  • An annular groove 18 is formed on the side of the counterweight 11 away from the elastic receiving part 12, and the second fixing part 19 passes through the annular groove 18 to restrict the relative movement of the pipeline and the counterweight assembly 10 as a whole.
  • the second fixing portion 19 is preferably arranged below the first fixing portion 13, and the two are independent of each other and do not affect each other.
  • the second fixing portion 19 is preferably a wire.
  • the air conditioner includes a housing 5 installed on the indoor side.
  • the compressor 2 and the indoor heat exchanger 6 are provided in the casing 5.
  • One indoor side heat exchanger can be installed to exchange heat only with air. Two or more can also be provided to exchange heat with air and other media, such as domestic water and so on.
  • the housing 5 shown in FIG. 7 is provided with only the indoor side heat exchanger 6 that performs heat exchange with air.
  • the indoor side heat exchanger 6 is arranged at the uppermost part of the housing 5, and an indoor fan and a compressor 2 are arranged in sequence from top to bottom. In this structure, the structure where the compressor 2 is located is more compact, and the piping design space is smaller.
  • a counterweight assembly 10 is added to the suction pipe 3 or the discharge pipe 4 of the compressor 2.
  • the natural frequency of the pipeline is also changed by the counterweight assembly 10 to avoid running noise or severe vibration caused by the superposition of the natural frequency of the pipeline and the operating frequency of the compressor 2.
  • the counterweight assembly 10 as shown in the figure can be arranged at any position of the pipeline, and is particularly suitable for installation on a section of pipeline along the vertical direction.
  • Such a pipe section 31 has a continuous outer wall extending in the vertical direction.
  • the design space of the elbow pipe section 31 can be fully released, and at the same time, the installation of the counterweight assembly 10 is more flexible, which is convenient for construction personnel to operate, replace or maintain.
  • the counterweight assembly 10 mainly includes a counterweight 11.
  • the weight 11 is made of a soft material with elasticity, or is made of a hard material. If a hard material is used to make the counterweight 11, its outer side needs to be covered with a thicker soft material to avoid scratching the pipeline.
  • the soft material can be rubber or other composite materials.
  • the weight of the counterweight 11 can be obtained through software simulation according to the actual compressor 2 model.
  • An elastic receiving portion 12 is formed on the weight 11.
  • the elastic accommodating portion 12 is recessed and is integrally formed with the counterweight 11.
  • the cross-sectional area of the elastic receiving portion 12 is smaller than the arc area of the corresponding position on the outer wall of the pipe.
  • the pipeline passes through the elastic receiving portion 12 and a part of the outer wall is embedded in the elastic receiving portion 12.
  • the counterweight assembly 10 further includes a first fixing portion 13.
  • the first fixing portion 13 is connected to the elastic receiving portion 12.
  • the first fixing portion 13 is arranged around a part of the outer wall of the pipeline to form a first contact point 21 and a second contact point 22 on the outer wall of the pipeline.
  • the positions of the first contact point 21 and the second contact point 22 have a height difference to form a self-locking between the counterweight assembly 10 and the pipeline.
  • the counterweight 11 can form a counterweight under its own weight.
  • the counterweight 11 will not move down to ensure that the pipeline and the compressor 2 operating frequency will not resonate and improve the stability of the air conditioner .
  • the first fixing portion 13 has a spiral shape.
  • the first fixing portion 13 is preferably made of a rigid material, for example, a metal wire with a smooth surface and an appropriate diameter can be used.
  • the first fixing portion 13 can undergo a certain degree of deformation based on the operator's application of a certain external force, so as to facilitate the installation of the counterweight assembly 10 on the outside of the pipeline.
  • the length of the first fixing portion 13 is approximately 70% of the circumference of the outer wall of the pipe, and it is bent into a spiral shape to cover half of the circumference of the outer wall of the pipe.
  • the first fixing portion 13 specifically includes a first end 14 and a second end 15 set higher than the first end 14.
  • the first end 14 is provided in the elastic receiving portion 12.
  • An opening is formed between the first end 14 and the second end 15, and the pipe enters the elastic receiving portion 12 from the opening formed between the first end 14 and the second end 15 and is fitted with the elastic receiving portion 12.
  • the elastic receiving portion 12 undergoes elastic deformation, the restoring force of the elastic material acts on the first end 14 of the first fixing portion 13, and the first end 14 is pressed toward the outer wall of the pipeline to form a second One contact point 21.
  • the first fixing portion 13 itself deforms so that the second end 15 is squeezed against the outer wall of the pipeline to form a second contact point 22.
  • the outer side of the first fixing portion 13 may be covered with a soft material, so that the first fixing portion 13 and the counterweight 11 are integrally formed.
  • the friction coefficient of the first contact point 21 and the second contact point 22 the height difference between the first contact point 21 and the second contact point 22 along the extension direction of the pipeline, and the center of gravity of the counterweight 11 and the center of the pipeline The distance between the three ensures the self-locking effect.
  • the friction coefficient of the soft material is determined by looking up the table, that is, the first contact point 21 and the second contact point 22 The coefficient of friction ⁇ . The distance x between the center of the counterweight 11 and the centerline of the pipeline is further determined.
  • the height difference h between the first contact point 21 and the second contact point 22 along the extension direction of the pipeline is determined by the friction coefficient ⁇ and the distance x between the center of gravity of the counterweight 11 and the pipeline centerline. The following conditions are satisfied among the three: ⁇ >h/2x. Therefore, when assembling the counterweight assembly 10, it is only necessary to adjust the extension between the first contact point 21 and the second contact point 22 along the pipeline according to the known coefficient of friction and the distance between the center of the counterweight 11 and the centerline of the pipeline.
  • the height difference of the direction can guarantee the self-locking effect. Because the height difference only needs to meet the constraints of a range, the operation requirements are reduced at the same time. After the overall shape and weight of the counterweight 11 are designed, the center of gravity can be obtained through computer simulation.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

一种空调室外机（1）及空调器，该空调室外机（1）包括压缩机（2）；管路，制冷剂通过管路吸入或排出压缩机（2）；还包括配重组件（10），其具有：配重块（11），配重块（11）上形成有弹性容纳部（12），管路穿过弹性容纳部（12）并嵌入弹性容纳部（12）中；和第一固定部（13），第一固定部（13）连接弹性容纳部（12）并环绕管路的部分外壁设置以在管路的外壁上形成第一接触点（21）和第二接触点（22），第一接触点（21）和第二接触点（22）的位置具有高度差以在配重组件（10）和管路之间形成自锁。通过配重组件（10），即使是安装在竖直的管段上，由于第一接触点（21）和第二接触点（22）之间的位置具有高度差，在配重块（11）的自身重力下即可以形成配重组件（10）和管路之间的自锁，在长时间的使用过程中，配重块（11）不会向下移动，确保管路和压缩机（2）运行频率不会产生共振，提高空调器的稳定性。

Description

一种空调器室外机和空调器 技术领域
本发明属于空气调节设备技术领域，尤其涉及一种空调器室外机和空调器。
 背景技术
空气调节系统（简称空调器）的作用是根据使用对象的要求使得室内空气的温度、湿度、空气流动速度、洁净度、新鲜度等参数部分或全部达到规定的指标。空调器主要包括以下几个组成部分：压缩机、冷源或者热源、送风系统和控制、调节装置。根据工作模式不同，空调器分为定频空调器和变频空调器。其中，变频空调器是在制冷系统中，通过控制压缩机的制冷剂循环量进入室内换热器的制冷剂流量，适时地满足室内冷热负荷调节要求的空调系统。
压缩机的制冷剂循环量通常通过控制压缩机的频率进行调节，也就是说，在空调器的运行过程中，压缩机会工作在不同频率，常见的范围为15Hz至120Hz之间。压缩机的进气管路和排气管路中通常流动有气态制冷剂或者气液两相混合的制冷剂，气态制冷剂可压缩膨胀，形成具有固定频率的振动源，而管路本身也具有固有振动频率。因此，当压缩机工作在特定频率上时，即会有振动源作用于管道上，进一步与管道本身的固有振动频率叠加，产生振动响应，造成空调器产生低频振动噪声或者强烈的振动，影响用户的使用体验。
 技术问题
传统的空调器是在压缩机的管路上通过线材捆绑胶块，改变管路本身的固有振动频率。但是，线材捆绑胶块很容易在空调运行过程中发生配重下滑，位置的变动会再次改变管路本身的固有振动频率，无法实现减震的效果。
 技术解决方案
本发明针对现有技术中线材捆绑胶块很容易在空调运行过程中发生配重下滑，位置的变动会再次改变管路本身的固有振动频率，无法实现减震的效果的问题，设计并提供一种空调器室外机。
为实现上述发明目的，本发明采用下述技术方案予以实现：
一种空调器室外机，包括：压缩机；管路，制冷剂通过所述管路吸入或排出所述压缩机；还包括：配重组件，其具有：配重块，所述配重块上形成有弹性容纳部，所述管路穿过所述弹性容纳部并嵌入所述弹性容纳部中；和第一固定部，所述第一固定部连接所述弹性容纳部并环绕所述管路的部分外壁设置以在所述管路的外壁上形成第一接触点和第二接触点，所述第一接触点和第二接触点的位置具有高度差以在所述配重组件和管路之间形成自锁。
进一步的，所述第一固定部呈螺旋状且由刚性材料制成，其具有：第一端和高于所述第一端设置的第二端，所述第一端连接所述弹性容纳部；当所述管路嵌入所述弹性容纳部时，所述弹性容纳部弹性形变朝向所述管路的外壁挤压所述第一端形成所述第一接触点，所述第一固定部形变使得所述第二端挤压所述管路的外壁形成所述第二接触点。
为保护管路外壁，所述弹性容纳部中设置有弹性限位部，所述第一端穿设在所述弹性限位部中；所述弹性容纳部弹性形变朝向所述管路的外壁挤压所述第一端使得所述弹性限位部抵靠在所述管路的外壁上形成所述第一接触点。
进一步的，所述第一固定部还包括弹性保护件，所述第二端设置在所述弹性保护件中；所述第一固定部形变使得第二端挤压所述管路的外壁，所述弹性保护件抵靠在所述管路的外壁上形成第二接触点。
配重组件特别适用于直管管段，可以通过自锁避免其下滑，因此，优选的，所述管路沿竖直方向布设且具有沿竖直方向延伸的连续外壁。
为了确保装配时的自锁效果，所述第一接触点和第二接触点沿所述管路延伸方向的高度差h满足以下条件：μ＞h/2x，其中μ为所述第一接触点和第二接触点的摩擦系数，x为配重块重心与所述管路中心之间的距离。
为避免人为碰撞造成的移位，还包括：第二固定部，所述第二固定部环绕所述管路的外壁设置，所述第二固定部位于所述第一固定部下方.
进一步的，所述配重块远离所述弹性容纳部的一侧形成有环形槽，所述第二固定部穿过所述环形槽并环绕所述管路的外壁。
本发明的另一个方面公开了一种空调器，包括：壳体，所述壳体安装在室内侧，其中设置有压缩机和至少一个热交换器；管路，制冷剂通过所述管路吸入或排出所述压缩机；还包括：配重组件，其具有：配重块，所述配重块上形成有弹性容纳部，所述管路穿过所述弹性容纳部并嵌入所述弹性容纳部中；和第一固定部，所述第一固定部连接所述弹性容纳部并环绕所述管路的部分外壁设置以在所述管路的外壁上形成第一接触点和第二接触点，所述第一接触点和第二接触点的位置具有高度差以形成所述配重组件和管路之间形成自锁。
进一步的，所述第一固定部呈螺旋状且由刚性材料制成，其具有：第一端和高于所述第一端设置的第二端，所述第一端连接所述弹性容纳部；当所述管路嵌入所述弹性容纳部时，所述弹性容纳部弹性形变朝向所述管路的外壁挤压所述第一端形成所述第一接触点，所述第一固定部弹性形变使得所述第二端挤压所述管路的外壁形成所述第二接触点；所述第一接触点和第二接触点沿所述管路延伸方向的高度差h满足以下条件：μ＞h/2x，其中μ为所述第一接触点和第二接触点的摩擦系数，x为配重块重心与所述管路中心之间的距离。
 有益效果
与现有技术相比，本发明的优点和积极效果是：
通过配重组件，即使是安装在竖直的管段上，由于第一接触点和第二接触点之间的位置具有高度差，在配重块的自身重力下即可以形成配重组件和管路之间的自锁，在长时间的使用过程中，配重块不会向下移动，确保管路和压缩机运行频率不会产生共振，提高空调器的稳定性。
结合附图阅读本发明的具体实施方式后，本发明的其他特点和优点将变得更加清楚。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1 为本发明所公开的空调器室外机一种实施例的结构示意图；
图2为配重组件和管路装配完成状态下的结构示意图；
图3为图2所示的配重组件的结构示意图；
图4为图3所示的配重组件和管路装配完成状态下的第一接触点和第二接触点的结构示意图；
图5为图4所示的配重组件和管路装配完成时第一接触点和第二接触点沿管路延伸方向的高度差、配重块中心与管路中心之间的距离的位置关系示意图；
图6为第一固定部、第二固定部与管路装配完成状态下的结构示意图；
图7为本发明所公开的空调器一种具体实施例的结构示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下将结合附图和实施例，对本发明作进一步详细说明。
需要说明的是，在本发明的描述中，术语“上”、“下”、“左”、“右”、“竖”、“横”、“内”、“外”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
如图1所示为本发明所提供的空调器室外机一种具体实施例的结构示意图。空调器室外机1中可包括压缩机2和管路，管路具体是指与压缩机2连通的吸气管3和排气管4，制冷剂通过吸气管3吸入压缩机2或通过排气管4排出压缩机2。室外机1上设置有进风口和出风口，室外机中还可设置有换热器，轴流风扇、轴流电机、节流装置和四通阀等部件。压缩机2可以为定频压缩机，定频压缩机供电由市电直接提供，电压为交流220V，频率为50Hz，理论转速为3000r/min, 运行时由于阻力等原因，实际转速为2800r/min。更为常见的，压缩机2是变频压缩机，变频压缩机供电由变频模块提供，模块输出的模拟三相交流电，频率可以在15-120Hz内变化，电压可以在30-200V之间变化。因而压缩机2转速可以在1500-9000r/min的范围内变化。以制冷模式为例，压缩机2转速升高时，制冷量随之加大，制冷效果加快，制冷模式下房间温度迅速下降。当房间内温度下降到设定温度附近时，压缩机2转速降低，制冷量下降，维持房间温度。作为压缩机2外围配管，设计吸气管3和排气管4时需要考虑到其中制冷剂阻力、噪音、安装临时过滤器、气液分离器的设计、管口位置、壳体造型等诸多因素，因此，吸气管3和排气管4的设计空间非常小，以尽量少弯曲为佳。图1所示的空调器室外机1中，压缩机2设置在室外机的底部，但不仅限于此。应当理解，通过对吸气管3和排气管4以及壳体内部布局的调节，压缩机2还可以设置在空调器室外机的其它位置。
具体的，如图2所示，在管路上设置有配重组件10，通过配重组件10改变管路的固有频率，避免发生管路的固有频率和压缩机运行频率叠加所造成的运行噪音或剧烈震动。如图3所示的配重组件10可以设置在管路的任何位置，尤其适合安装在一段沿竖直方向的管路上，如图2所示管段31。这种管段31具有沿竖直方向延伸的连续外壁。从而可以充分释放弯管管段31的设计空间，同时使得配重组件10的安装更为灵活，便于施工人员操作、更换或者维护。如图3所示，配重组件10主要包括配重块11。配重块11由具有弹性的软质材料制成，或者由硬质材料制成。如果采用硬质材料制作配重块11，其外侧需要裹覆较厚的软质材料，以避免划伤管路。软质材料可以是橡胶或者其它复合材料。配重块11的重量可以根据实际的压缩机2的机型通过软件模拟得到。
在配重块11上形成有弹性容纳部12。弹性容纳部12内凹且与配重块11一体成型制成。在原始状态下，弹性容纳部12的横截面积小于管道外壁相应位置的圆弧面积。使用时，管路穿过弹性容纳部12并有部分外壁嵌入弹性容纳部12内。配重组件10装配完毕后，在管路外壁的一侧，弹性容纳部12相应扩张形成对管路外壁相对移动的限制。
配重组件10还包括第一固定部13。第一固定部13与所述弹性容纳部12连接。第一固定部13环绕管路的部分外壁设置以在管路的外壁上形成第一接触点21和第二接触点22。第一接触点21和第二接触点22的位置具有高度差以在配重组件10和管路之间形成自锁。
这样，通过配重组件10，即使是安装在竖直的管段31上，由于第一接触点21和第二接触点22之间的位置具有高度差，在配重块11的自身重力下即可以形成配重组件10和管路之间的自锁，在长时间的使用过程中，配重块11不会向下移动，确保管路和压缩机2运行频率不会产生共振，提高空调器的稳定性。
参照图3至图5对配重组件10的优选结构进行进一步介绍。如图3所示，第一固定部13呈螺旋状。第一固定部13优选由刚性材料制成，如可以采用表面光滑且具有适当直径的金属丝。第一固定部13在操作人员施加一定外力的基础上可以发生一定程度的形变，以便于将配重组件10安装在管道外侧。第一固定部13的长度大致为管道外壁周长的70%，弯曲为螺旋状后整体覆盖管道外壁周长的一半。第一固定部13具体包括第一端14和高于第一端14设置的第二端15。第一端14设置在弹性容纳部12中。第一端14和第二端15之间形成开口，管道自形成在第一端14和第二端15之间的开口进入弹性容纳部12中并与弹性容纳部12嵌合。当管路嵌入弹性容纳部12时，弹性容纳部12发生弹性形变，弹性材料的回复力作用在第一固定部13的第一端14上，朝向管路的外壁挤压第一端14形成第一接触点21。在另一侧，由于管路的伸入，第一固定部13本身形变使得第二端15挤压在管路的外壁形成第二接触点22。从而在管路外壁的两端分别形成接触点，并在重力的作用下，形成自锁，确保配重组件10在使用时不会下滑。
为控制第一接触点21和第二接触点22的摩擦系数，确保自锁效果，同时起到对管道外壁的保护作用，弹性容纳部12中设置有弹性限位部16。第一端14伸入至所述弹性限位部16中形成二者之间的连接。弹性容纳部12弹性形变朝向管路外壁挤压第一端14使得弹性限位部16抵靠在管路的外壁上形成第一接触点21。在另一端，出于同样的目的，第一固定部13还包括弹性保护件17。第二端15设置在弹性保护件17中，第一固定部13形变使得第二端15挤压管路的外壁，弹性保护件17抵靠在管路的外壁上形成第二接触点22。弹性限位部16优选与弹性容纳部12一体成型制成，呈环状固定在弹性容纳部12与管路外壁接触的一侧侧壁上。第一端14从所述弹性容纳部12中伸出固定。弹性保护件17优选为由软质材料制成的弹性护套，其长度约为第一固定部13总长度的三分之一。优选的，弹性保护件17、配重块11和弹性保护套采用同种材料制成。
通过第一接触点21和第二接触点22的摩擦系数、第一接触点21和第二接触点22沿所述管路延伸方向的高度差和配重块11重心与所述管路中心之间的距离三者之间的关系确保自锁效果。具体来说，在选定弹性保护件17、配重块11和弹性保护套的材料后通过查表的方式确定软质材料的摩擦系数，即所述第一接触点21和第二接触点22的摩擦系数μ。进一步确定配重块11的中心与管路中心线的距离x。通过摩擦系数μ和配重块11的重心与管路中心线的距离x确定第一接触点21和第二接触点22沿所述管路延伸方向的高度差h。三者之间满足以下条件：μ＞h/2x。因此，在装配配重组件10时，仅需要根据已知的摩擦系数和配重块11的重心与管路中心线的距离调整第一接触点21和第二接触点22之间沿管路延伸方向的高度差即可以保证自锁效果。由于高度差仅需要满足一个范围的约束条件，同时降低了操作要求。配重块11整体外形和重量设计完毕后，可以通过计算机模拟求得其重心。
考虑到运输安装过程中可能会对空调器室外机1的包装箱造成碰撞，优选的，还设置有第二固定部19。第二固定部19环绕管路的外壁设置。在配重块11远离弹性容纳部12的一侧形成有环形槽18，第二固定部19穿过环形槽18整体上限制管路和配重组件10的相对移动。第二固定部19优选设置在第一固定部13的下方，二者相互独立，互不影响。第二固定部19优选为线材。
本发明的另一个方面还公开了一种空调器。空调器包括设置于室内侧的壳体5。壳体5中设置有压缩机2和室内侧换热器6。室内侧换热器可以设置一个，仅与空气进行热交换。也可以设置两个或多个，分别与空气以及其它介质热交换，例如生活用水等等。图7所示的壳体5仅设置有与空气进行热交换的室内侧换热器6。室内侧换热器6设置在壳体5中的最上方，由上向下还依次设置有室内风机和压缩机2。这种结构中，压缩机2所在位置的结构更为紧凑，配管设计空间更小。为了达到减震的效果，在压缩机2的吸气管3或排气管4上增设配重组件10。
参照图3至图5所示，在空调器中同样通过配重组件10改变管路的固有频率，避免发生管路的固有频率和压缩机2运行频率叠加所造成的运行噪音或剧烈震动。如图所示的配重组件10可以设置在管路的任何位置，尤其适合安装在一段沿竖直方向的管路上，这种管段31具有沿竖直方向延伸的连续外壁。从而可以充分释放弯管管段31的设计空间，同时使得配重组件10的安装更为灵活，便于施工人员操作、更换或者维护。如图3所示，配重组件10主要包括配重块11。配重块11由具有弹性的软质材料制成，或者由硬质材料制成。如果采用硬质材料制作配重块11，其外侧需要裹覆较厚的软质材料，以避免划伤管路。软质材料可以是橡胶或者其它复合材料。配重块11的重量可以根据实际的压缩机2机型通过软件模拟得到。
在配重块11上形成有弹性容纳部12。弹性容纳部12内凹且与配重块11一体成型制成。在原始状态下，弹性容纳部12的横截面积小于管道外壁相应位置的圆弧面积。使用时，管路穿过弹性容纳部12并有部分外壁嵌入弹性容纳部12内。配重组件10装配完毕后，在管路外壁的一侧，弹性容纳部12相应扩张形成对管路外壁相对移动的限制。
配重组件10还包括第一固定部13。第一固定部13与所述弹性容纳部12连接。第一固定部13环绕管路的部分外壁设置以在管路的外壁上形成第一接触点21和第二接触点22。第一接触点21和第二接触点22的位置具有高度差以在配重组件10和管路之间形成自锁。
通过配重组件10，即使是安装在竖直的管段31上，由于第一接触点21和第二接触点22之间的位置具有高度差，在配重块11的自身重力下即可以形成配重组件10和管路之间的自锁，在长时间的使用过程中，配重块11不会向下移动，确保管路和压缩机2运行频率不会产生共振，提高空调器的稳定性。
第一固定部13呈螺旋状。第一固定部13优选由刚性材料制成，如可以采用表面光滑且具有适当直径的金属丝。第一固定部13在操作人员施加一定外力的基础上可以发生一定程度的形变，以便于将配重组件10安装在管道外侧。第一固定部13的长度大致为管道外壁周长的70%，弯曲为螺旋状后整体覆盖管道外壁周长的一半。第一固定部13具体包括第一端14和高于第一端14设置的第二端15。第一端14设置在弹性容纳部12中。第一端14和第二端15之间形成开口，管道自形成在第一端14和第二端15之间的开口进入弹性容纳部12中并与弹性容纳部12嵌合。当管路嵌入弹性容纳部12时，弹性容纳部12发生弹性形变，弹性材料的回复力作用在第一固定部13的第一端14上，朝向管路的外壁挤压第一端14形成第一接触点21。在另一侧，由于管路的伸入，第一固定部13本身形变使得第二端15挤压在管路的外壁形成第二接触点22。从而在管路外壁的两端分别形成接触点，并在重力的作用下，形成自锁，确保配重组件10在使用时不会下滑。为对管路起到保护作用，第一固定部13外侧可以包覆软质材料，使得第一固定部13和配重块11一体成型。
通过第一接触点21和第二接触点22的摩擦系数、第一接触点21和第二接触点22沿所述管路延伸方向的高度差和配重块11重心与所述管路中心之间的距离三者之间的关系确保自锁效果。具体来说，在选定弹性保护件17、配重块11和弹性保护套的材料后通过查表的方式确定软质材料的摩擦系数，即所述第一接触点21和第二接触点22的摩擦系数μ。进一步确定配重块11的中心与管路中心线的距离x。通过摩擦系数μ和配重块11的重心与管路中心线的距离x确定第一接触点21和第二接触点22沿所述管路延伸方向的高度差h。三者之间满足以下条件：μ＞h/2x。因此，在装配配重组件10时，仅需要根据已知的摩擦系数和配重块11的中心与管路中心线的距离调整第一接触点21和第二接触点22之间沿管路延伸方向的高度差即可以保证自锁效果。由于高度差仅需要满足一个范围的约束条件，同时降低了操作要求。配重块11整体外形和重量设计完毕后，可以通过计算机模拟求得其重心。
以上实施例仅用以说明本发明的技术方案，而非对其进行限制；尽管参照前述实施例对本发明进行了详细的说明，对于本领域的普通技术人员来说，依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或替换，并不使相应技术方案的本质脱离本发明所要求保护的技术方案的精神和范围。

Claims (10)

  1. 一种空调器室外机，包括：
    压缩机；
    管路，制冷剂通过所述管路吸入或排出所述压缩机；
    其特征在于，还包括：
    配重组件，其具有：
    配重块，所述配重块上形成有弹性容纳部，所述管路穿过所述弹性容纳部并嵌入所述弹性容纳部中；和
    第一固定部，所述第一固定部连接所述弹性容纳部并环绕所述管路的部分外壁设置以在所述管路的外壁上形成第一接触点和第二接触点，所述第一接触点和第二接触点的位置具有高度差以在所述配重组件和管路之间形成自锁。
  2. 根据权利要求1所述的空调器室外机，其特征在于，
    所述第一固定部呈螺旋状且由刚性材料制成，其具有：
    第一端和高于所述第一端设置的第二端，所述第一端连接所述弹性容纳部；
    当所述管路嵌入所述弹性容纳部时，所述弹性容纳部弹性形变朝向所述管路的外壁挤压所述第一端形成所述第一接触点，所述第一固定部形变使得所述第二端挤压所述管路的外壁形成所述第二接触点。
  3. 根据权利要求2所述的空调器室外机，其特征在于，
    所述弹性容纳部中设置有弹性限位部，所述第一端穿设在所述弹性限位部中；所述弹性容纳部弹性形变朝向所述管路的外壁挤压所述第一端使得所述弹性限位部抵靠在所述管路的外壁上形成所述第一接触点。
  4. 根据权利要求3所述的空调器室外机，其特征在于，
    所述第一固定部还包括弹性保护件，所述第二端设置在所述弹性保护件中；所述第一固定部形变使得第二端挤压所述管路的外壁，所述弹性保护件抵靠在所述管路的外壁上形成第二接触点。
  5. 根据权利要求4所述的空调器室外机，其特征在于，
    所述管路沿竖直方向布设且具有沿竖直方向延伸的连续外壁。
  6. 根据权利要求5所述的空调器室外机，其特征在于，
    所述第一接触点和第二接触点沿所述管路延伸方向的高度差h满足以下条件：
    μ＞h/2x，
    其中μ为所述第一接触点和第二接触点的摩擦系数，x为配重块重心与所述管路中心之间的距离。
  7. 根据权利要求1至6任一项所述的空调器室外机，其特征在于，
    还包括：
    第二固定部，所述第二固定部环绕所述管路的外壁设置，所述第二固定部位于所述第一固定部下方。
  8. 根据权利要求7所述的空调器室外机，其特征在于，
    所述配重块远离所述弹性容纳部的一侧形成有环形槽，所述第二固定部穿过所述环形槽并环绕所述管路的外壁。
  9. 一种空调器，包括：
    壳体，所述壳体安装在室内侧，其中设置有压缩机和至少一个热交换器；
    管路，制冷剂通过所述管路吸入或排出所述压缩机；
    其特征在于，还包括：
    配重组件，其具有：
    配重块，所述配重块上形成有弹性容纳部，所述管路穿过所述弹性容纳部并嵌入所述弹性容纳部中；和
    第一固定部，所述第一固定部连接所述弹性容纳部并环绕所述管路的部分外壁设置以在所述管路的外壁上形成第一接触点和第二接触点，所述第一接触点和第二接触点的位置具有高度差以形成所述配重组件和管路之间形成自锁。
  10. 根据权利要求9所述的空调器，其特征在于，
    所述第一固定部呈螺旋状且由刚性材料制成，其具有：
    第一端和高于所述第一端设置的第二端，所述第一端连接所述弹性容纳部；
    当所述管路嵌入所述弹性容纳部时，所述弹性容纳部弹性形变朝向所述管路的外壁挤压所述第一端形成所述第一接触点，所述第一固定部弹性形变使得所述第二端挤压所述管路的外壁形成所述第二接触点；
    所述第一接触点和第二接触点沿所述管路延伸方向的高度差h满足以下条件：
    μ＞h/2x，
    其中μ为所述第一接触点和第二接触点的摩擦系数，x为配重块重心与所述管路中心之间的距离。
PCT/CN2020/080139 2019-11-08 2020-03-19 一种空调器室外机和空调器 WO2021088295A1 (zh)

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