WO2022161188A1 - 一种制冷电子节流阀 - Google Patents

一种制冷电子节流阀 Download PDF

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Publication number
WO2022161188A1
WO2022161188A1 PCT/CN2022/072062 CN2022072062W WO2022161188A1 WO 2022161188 A1 WO2022161188 A1 WO 2022161188A1 CN 2022072062 W CN2022072062 W CN 2022072062W WO 2022161188 A1 WO2022161188 A1 WO 2022161188A1
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WO
WIPO (PCT)
Prior art keywords
throttle valve
blades
servo motor
connection point
transmission
Prior art date
Application number
PCT/CN2022/072062
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English (en)
French (fr)
Inventor
郭江虹
俞宏
Original Assignee
爱法科技(无锡)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
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Application filed by 爱法科技(无锡)有限公司 filed Critical 爱法科技(无锡)有限公司
Publication of WO2022161188A1 publication Critical patent/WO2022161188A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves

Definitions

  • the utility model relates to the field of refrigeration throttle valves, in particular to a refrigeration electronic throttle valve.
  • the refrigeration throttle valve is a refrigeration mechanism that controls the refrigerant flow and throttling temperature by changing the throttling section or the throttling path.
  • a compound throttle mechanism By connecting the throttle valve and the one-way orifice throttle valve in parallel, a compound throttle mechanism can be combined.
  • Electronic throttle valve and one-way orifice throttle valve are commonly used throttling and expansion mechanisms for refrigeration equipment.
  • the existing refrigeration throttle valve usually adopts a Y-shaped valve core type or a fixed orifice type or a composite type as the refrigerant throttling and expansion mechanism, so as to achieve the effect of controlling the cooling capacity and the cooling temperature.
  • a Y-shaped valve core type or a fixed orifice type or a composite type as the refrigerant throttling and expansion mechanism, so as to achieve the effect of controlling the cooling capacity and the cooling temperature.
  • the technical problem to be solved by the utility model is to provide a refrigeration electronic throttle valve, which can reduce the pressure difference on both sides of the throttle valve through structural design, thereby improving the accuracy and service life of the refrigeration throttle valve.
  • a refrigeration electronic throttle valve comprising a casing, the inner wall of the casing is sealed with a throttling mechanism, and the outside of the casing is provided with a control throttling mechanism Servo motor assembly.
  • the throttling mechanism includes an installation plate sealed with the inner wall of the casing, a limit rod is arranged on the installation plate, and a limiter rod is provided on the installation plate through the limit rod.
  • the rotating gear plate has a through hole in the center of the installation plate, and blades are evenly arranged at the through holes, and the blades include a first connection point and a second connection point, and the first connection point is connected to the installation plate.
  • the second connection point is connected with the gear plate through a transmission rod, and the installation plate is provided with a transmission gear that meshes with the gear plate.
  • the servo motor assembly includes a servo motor and a transmission mechanism.
  • the number of the vanes is 6-10.
  • the blades are axially overlapped and sealed around the center.
  • the blade is made of cemented carbide.
  • the utility model has reasonable and simple structure and convenient operation.
  • the transmission gear is controlled to rotate by the servo motor assembly, the gear plate is driven to rotate through the rotation of the transmission gear, and all the transmission rods are driven to rotate when the gear plate rotates, and each transmission rod drives its
  • the connected blades rotate around the first connection point. After all the blades rotate, a small hole will be formed around the center of all the blades. The two sides of the blade are subjected to a small pressure difference, which can improve the service life of the blade.
  • Fig. 1 is the structural representation of the present utility model
  • FIG. 2 is a schematic structural diagram of the throttling mechanism of the present invention.
  • an embodiment of the present invention includes a casing 1 , a throttle mechanism 2 is sealed on the inner wall of the casing 1 , and the throttle mechanism 2 includes a mounting plate 201 sealed with the inner wall of the casing 1 .
  • a limit rod 202 is set on the installation plate 201
  • a rotatable gear plate 203 is set on the installation plate 201 through the limit rod 202, so that the gear plate 203 rotates within the range limited by the limit rod 202, and the center of the installation plate 201 is open.
  • the blade 204 is evenly arranged at the through hole, the blade 204 includes a first connection point 2041 and a second connection point 2042, the first connection point 2041 is connected with the mounting plate 201, and the second connection point 2042 and the gear plate 203 through transmission
  • the rod 205 is connected
  • the mounting plate 201 is provided with a transmission gear 206 that meshes with the gear plate 203
  • the outer casing 1 is provided with a servo motor assembly 3 for controlling the throttle mechanism 2, and the servo motor assembly 3 drives the transmission gear 206 to rotate, thereby driving
  • the gear plate 23 rotates, so that the blades 204 connected to the transmission rod 205 rotate around the first connection point, so that the blades 204 form a small hole around the formed center, so that the refrigerant liquid passes through the small hole, according to the actual flow demand, Control the rotation angle of the servo motor assembly 3, and then accurately control the size of the small hole.
  • the servo motor assembly 3 includes a servo motor and a transmission mechanism, and the rotation angle of the servo motor can be accurately controlled by the drive of the servo motor, thereby controlling the cross-sectional size of the hole formed by the blade 204, thereby controlling the flow and throttling of the refrigerant temperature.
  • the number of blades 204 is set between 6-10, and at the same time, each blade 204 is overlapped and sealed around the central axis, which can improve its sealing performance and ensure the accuracy of flow control; the blades 204 It is made of cemented carbide, so that the blade 204 has the properties of wear resistance and erosion resistance, and the service life is improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

一种制冷电子节流阀，包括壳体（1），壳体（1）内壁密封设置有节流机构（2），壳体（1）外部设置有控制节流机构（2）的伺服电机组件（3）。通过伺服电机组件（3）控制传动齿轮（206）进行旋转，通过传动齿轮（206）的旋转从而带动齿轮盘（203）进行旋转，齿轮盘（203）旋转时带动所有传动杆（205）进行转动，每个传动杆（205）带动其连接的叶片（204）围绕第一连接点（2041）进行旋转，所有叶片（204）旋转后，所有叶片（204）围绕的中心将形成小孔，通过准确控制小孔的截面大小从而能够准确控制制冷剂的流量和制冷剂的温度，同时使得叶片（204）两侧受到很小的压力差，能够提高叶片（204）的使用寿命。

Description

一种制冷电子节流阀 技术领域
本实用新型涉及制冷节流阀领域，具体涉及一种制冷电子节流阀。
 背景技术
制冷节流阀是通过改变节流截面或节流通径以控制制冷剂流量和节流温度的制冷机构。将节流阀和单向孔板节流阀并联则可组合成复合式节流机构。电子节流阀和单向孔板节流阀是制冷设备常用的节流膨胀机构。
现有的制冷节流阀通常采用Y型阀芯式或固定孔板式或复合式作为制冷剂节流膨胀机构，从而达到控制制冷量和制冷温度的效果。在切断型Y型节流阀工作时，阀芯两侧将承受较大的制冷剂压差，需要较大力矩的伺服电机，长时间的工作会降低伺服电机的准确度和阀芯的寿命，从而降低节流阀的整体节流效果。
上述问题是本领域亟需改善的问题。
 技术问题
本实用新型要解决的技术问题是提供一种制冷电子节流阀，通过结构设计，能够降低节流阀两侧的压差，进而提高制冷节流阀的准确度和使用寿命。
 技术解决方案
为了解决上述技术问题，本实用新型提供的方案是：一种制冷电子节流阀，包括壳体，所述壳体内壁密封设置有节流机构，所述壳体外部设置有控制节流机构的伺服电机组件。
作为本实用新型的进一步改进，所述节流机构包括与所述壳体内壁密封设置的安装盘，所述安装盘上设置有限位杆，所述安装盘上通过所述限位杆设置有可旋转的齿轮盘，所述安装盘中心开有通孔，所述通孔处均匀设置有叶片，所述叶片包括第一连接点和第二连接点，所述第一连接点与所述安装盘连接，所述第二连接点与所述齿轮盘通过传动杆连接，所述安装盘上设置有与所述齿轮盘啮合的传动齿轮。
作为本实用新型的进一步改进，所述伺服电机组件包括伺服电机和传动机构。
作为本实用新型的进一步改进阀，所述叶片的数量为6-10。
作为本实用新型的进一步改进，所述叶片之间围绕中心轴向相互重叠密封设置。
作为本实用新型的进一步改进，所述叶片采用硬质合金制造。
 有益效果
本实用新型的有益效果：
本实用新型结构合理、简单，操作便捷，通过伺服电机组件控制传动齿轮进行旋转，通过传动齿轮的旋转从而带动齿轮盘进行旋转，齿轮盘旋转时带动所有传动杆进行转动，每个传动杆带动其连接的叶片围绕第一连接点进行旋转，所有叶片旋转后，所有叶片围绕的中心将形成小孔，通过准确控制小孔的截面大小从而能够准确控制制冷剂的流量和制冷剂的温度，同时使得叶片两侧受到很小的压力差，能够提高叶片的使用寿命。
 附图说明
图1是本实用新型的结构示意图；
图2是本实用新型节流机构的结构示意图。
附图标记：1、壳体；2、节流机构；201、安装盘；202、限位杆；203、齿轮盘；204、叶片；2041、第一连接点；2042、第二连接点；205、传动杆；206、传动齿轮；3、伺服电机组件。
 本发明的实施方式
下面结合附图和具体实施例对本实用新型作进一步说明，以使本领域的技术人员可以更好地理解本实用新型并能予以实施，但所举实施例不作为对本实用新型的限定。
参照图1至图2所示，本实用新型的一实施例，包括壳体1，壳体1内壁密封设置有节流机构2，节流机构2包括与壳体1内壁密封设置的安装盘201，安装盘201上设置有限位杆202，安装盘201上通过限位杆202设置有可旋转的齿轮盘203，使得齿轮盘203在限位杆202限定的范围内进行旋转，安装盘201中心开有通孔，通孔处均匀设置有叶片204，叶片204包括第一连接点2041和第二连接点2042，第一连接点2041与安装盘201连接，第二连接点2042与齿轮盘203通过传动杆205连接，安装盘201上设置有与齿轮盘203啮合的传动齿轮206，壳体1外部设置有控制节流机构2的伺服电机组件3，通过伺服电机组件3驱动传动齿轮206旋转，从而带动齿轮盘23进行旋转，使得传动杆205连接的叶片204围绕第一连接点进行旋转，从而使得叶片204围绕形成的中心形成小孔，使得制冷剂液体从小孔中通过，根据实际流量的需求，控制伺服电机组件3旋转的角度，进而准确控制小孔的大小。
在本实施例中，伺服电机组件3包括伺服电机和传动机构，通过伺服电机的驱动能够准确控制其旋转的角度，从而控制叶片204形成的孔的截面大小，从而控制制冷剂的流量和节流温度。
实际生产中，将叶片204的数量设定在6-10之间，同时将每个叶片204之间围绕中心轴向相互重叠密封设置，能够提高其密封性能，保证流量控制的准确度；叶片204采用硬质合金制造，使得叶片204具有耐磨、耐冲刷的性能，提高使用寿命。
以上所述实施例仅是为充分说明本实用新型而所举的较佳的实施例，本实用新型的保护范围不限于此。本技术领域的技术人员在本实用新型基础上所作的等同替代或变换，均在本实用新型的保护范围之内。本实用新型的保护范围以权利要求书为准。

Claims (6)

  1. 一种制冷电子节流阀，其特征在于，包括壳体（1），所述壳体（1）内壁密封设置有节流机构（2），所述壳体（1）外部设置有控制节流机构（2）的伺服电机组件（3）。
  2. 如权利要求1所述的一种制冷电子节流阀，其特征在于，所述节流机构（2）包括与所述壳体（1）内壁密封设置的安装盘（201），所述安装盘（201）上设置有限位杆（202），所述安装盘（201）上通过所述限位杆（202）设置有可旋转的齿轮盘（203），所述安装盘（201）中心开有通孔，所述通孔处均匀设置有叶片（204），所述叶片（204）包括第一连接点（2041）和第二连接点（2042），所述第一连接点（2041）与所述安装盘（201）连接，所述第二连接点（2042）与所述齿轮盘（203）通过传动杆（205）连接，所述安装盘（201）上设置有与所述齿轮盘（203）啮合的传动齿轮（206）。
  3. 如权利要求1所述的一种制冷电子节流阀，其特征在于，所述伺服电机组件（3）包括伺服电机和传动机构。
  4. 如权利要求2所述的一种制冷电子节流阀，其特征在于，所述叶片（204）的数量为6-10。
  5. 如权利要求2所述的一种制冷电子节流阀，其特征在于，所述叶片（204）之间围绕中心轴向相互重叠密封设置。
  6. 如权利要求2所述的一种制冷电子节流阀，其特征在于，所述叶片（204）采用硬质合金制造。
PCT/CN2022/072062 2021-01-28 2022-01-14 一种制冷电子节流阀 WO2022161188A1 (zh)

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* Cited by examiner, † Cited by third party
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KR20100086250A (ko) * 2009-01-22 2010-07-30 엘에스엠트론 주식회사 오리피스 기능을 가지는 팽창밸브
CN107388646A (zh) * 2017-08-10 2017-11-24 珠海格力电器股份有限公司 制冷剂流量调节机构和制冷装置
CN207337223U (zh) * 2017-10-09 2018-05-08 安徽理工大学 基于光圈原理的流量控制装置
CN208025898U (zh) * 2018-01-17 2018-10-30 武汉市科瑞莱机电设备有限公司 一种制冷设备的节流阀装置
CN109442822A (zh) * 2018-11-28 2019-03-08 宁波奥克斯电气股份有限公司 一种空调系统的节流装置及其控制方法
CN110023694A (zh) * 2017-02-23 2019-07-16 株式会社电装 制冷循环装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100086250A (ko) * 2009-01-22 2010-07-30 엘에스엠트론 주식회사 오리피스 기능을 가지는 팽창밸브
CN110023694A (zh) * 2017-02-23 2019-07-16 株式会社电装 制冷循环装置
CN107388646A (zh) * 2017-08-10 2017-11-24 珠海格力电器股份有限公司 制冷剂流量调节机构和制冷装置
CN207337223U (zh) * 2017-10-09 2018-05-08 安徽理工大学 基于光圈原理的流量控制装置
CN208025898U (zh) * 2018-01-17 2018-10-30 武汉市科瑞莱机电设备有限公司 一种制冷设备的节流阀装置
CN109442822A (zh) * 2018-11-28 2019-03-08 宁波奥克斯电气股份有限公司 一种空调系统的节流装置及其控制方法

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