WO2020029436A1 - Compressor impeller with rotating shaft radial pressure detection function - Google Patents
Compressor impeller with rotating shaft radial pressure detection function Download PDFInfo
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- WO2020029436A1 WO2020029436A1 PCT/CN2018/112182 CN2018112182W WO2020029436A1 WO 2020029436 A1 WO2020029436 A1 WO 2020029436A1 CN 2018112182 W CN2018112182 W CN 2018112182W WO 2020029436 A1 WO2020029436 A1 WO 2020029436A1
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- WIPO (PCT)
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- rotating shaft
- end surface
- outer ring
- impeller
- radial pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
Definitions
- the invention relates to the field of compressor impellers, in particular to a compressor impeller having a radial pressure detection function of a rotating shaft.
- the compressor is a driven fluid machine that lifts low-pressure gas into high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, and drives the piston to compress it through the operation of the motor.
- the exhaust pipe discharges high-temperature and high-pressure refrigerant gas to provide power for the refrigeration cycle.
- the core component of the compressor is an impeller, also called a working wheel.
- the only pair of airflow components in a centrifugal compressor is the main component of the rotor.
- the component and the impeller are driven to rotate by the motor and the shaft. The speed of the rotation can reach a frequency of thousands of times per second.
- One of the manufacturing standards of the impeller is symmetrical structure.
- the position of the geometric center and the center of gravity must be on the center axis of the shaft. In this way, it can be ensured that during the rotation of the impeller, the impeller will not feedback the pressure to the shaft due to the irregular shape, which will affect the work of the shaft.
- the technical problem mainly solved by the present invention is to provide a compressor impeller with a radial pressure detection function of a rotating shaft, which can detect the mutual pressure when the impeller and the rotating shaft rotate.
- a technical solution adopted by the present invention is to provide a compressor impeller having a radial pressure detection function of a rotating shaft, including an impeller body.
- the impeller body includes a chassis, a rotating shaft connecting hole, a circular table body and a wind guide.
- the bottom end surface of the circular table entity is connected to the upper end surface of the chassis, and a plurality of the wind guide blades are connected to the side end surface of the circular table entity.
- the inner center of the circular table entity is provided with the rotation shaft connection hole.
- the opening of the shaft connecting hole is derived from the upper end surface of the round table entity, and the upper end surface of the round table entity is recessed downward with an octagonal groove, and the bottom end surface of the groove is connected to the shaft connecting hole center.
- the transmission shaft is introduced into the connection hole of the rotation shaft, and the other end of the transmission shaft is derived from the upper end surface of the circular table body.
- a radial pressure detecting device is arranged around the inside of the groove.
- the detection device includes an outer ring, an inner ring, and a roller.
- the outer peripheral wall of the outer ring has an octagonal structure and is connected to the octagonal inner wall of the groove.
- the inner ring of the outer ring is sleeved with the inner ring, the inner periphery of the inner ring is sleeved with the transmission shaft, the roller is connected between the outer ring and the inner ring, and the outer ring
- a plurality of pressure sensors are installed inside the pressure sensor, and the force-sensing surface of the pressure sensor is located on the inner arc surface of the outer ring.
- an output end of the pressure sensor is connected to a micro processing chip, and a full-duplex serial communication interface of the micro processing chip is connected to a wireless communication chip.
- an electrical equipment compartment is recessed inward on the bottom end surface of the chassis, and the microprocessing chip and the wireless communication chip are installed in the electrical equipment compartment.
- a cage is provided between the outer ring and the inner ring, and the roller is fixed in the cage.
- the beneficial effect of the present invention is that the present invention designs an impeller with a more electrified detection function, which is used to detect the change in the interaction pressure between the wheel body and the transmission shaft of the impeller during the rotation work.
- the impeller rotates at a high speed.
- the centrifugal force at each point will change during the rotation between the wheel and the shaft.
- the unevenness of the pressure is detected, and the impeller quality can be judged to be unqualified, and it can be stopped in time to avoid subsequent impact.
- FIG. 1 is a schematic structural diagram of a preferred embodiment of a compressor impeller having a function of detecting a radial pressure of a rotating shaft according to the present invention
- FIG. 2 is a schematic circuit structure diagram of a compressor impeller with a radial pressure detection function of a rotating shaft according to the present invention
- Impeller body 2. Chassis; 3. Rotary shaft connection hole; 4. Round table entity; 5. Wind guide blades; 6. Grooves; 7. Transmission shaft; 8. Pressure detection device 9, outer ring; 10, inner ring; 11, roller; 12, pressure sensor; 13, micro-processing chip; 14, wireless communication chip; 15, electrical equipment warehouse.
- an embodiment of the present invention includes:
- a compressor impeller having a function of detecting radial pressure of a rotating shaft includes an impeller body 1.
- the impeller body 1 includes a chassis 2, a shaft connecting hole 3, a circular table body 4 and a wind guide blade 5, and a bottom end surface of the circular table body 4.
- the upper end surface of the chassis 2 is connected to the side end surface of the round table entity 4.
- a plurality of the wind guide blades 5 are connected to the inner center of the round table entity 4.
- the rotary shaft connection hole 3 is penetrated through the rotary shaft.
- the opening of the connection hole 3 is derived from the upper end surface of the circular table body 4, and the upper end surface of the circular table body 4 is recessed downward with an octagonal groove 6, and the bottom end surface of the groove 6 is connected to the rotary shaft center.
- the transmission shaft 7 is introduced into the rotation shaft connection hole 3, and the other end of the transmission shaft 7 is derived from the upper end surface of the circular table body 4, and a radial pressure detection is provided around the inside of the groove 6 Device 8,
- the radial pressure detecting device 8 includes an outer ring 9, an inner ring 10, and a roller 11, an outer peripheral wall of the outer ring 9 is an octagonal structure and fits with an octagonal inner wall of the groove 6 Connection, the inside of the outer ring 9 is sleeved with the inner ring 10, so The inner periphery of the inner ring 10 is sleeved on the transmission shaft 7.
- the roller 11 is connected between the outer ring 9 and the inner ring 10.
- a plurality of pressure sensors 12 are installed inside the outer ring 9. The force-sensing surface of the pressure sensor 12 is located on the inner arc surface of the outer ring 9.
- an output end of the pressure sensor 12 is connected to a micro processing chip 13, and a full-duplex serial communication interface of the micro processing chip 13 is connected to a wireless communication chip 14.
- an electrical equipment compartment 15 is recessed inward on the bottom end surface of the chassis 2, and the microprocessing chip 13 and the wireless communication chip 14 are installed in the electrical equipment compartment 15.
- a cage is provided between the outer ring 9 and the inner ring 10, and the roller 11 is fixed in the cage.
- the working principle of the present invention is that the impeller body 1 includes a chassis 2, a shaft connecting hole 3, a circular table entity 4 and a wind guide blade 5.
- the bottom end surface of the circular table entity 4 is connected to the upper end surface of the chassis 2, and the internal center of the circular table entity 4 is provided through
- the shaft connection hole 3 is opened from the upper end surface of the circular table body 4.
- the upper end surface of the circular table body 4 is recessed with an octagonal groove 6 downward.
- the bottom end surface of the groove 6 is connected to the opening of the shaft connection 3 hole.
- the shaft connection hole 3 is introduced into the transmission shaft 7 and the other end of the transmission shaft 7 is The upper end surface of the circular table body 4 is derived.
- a radial pressure detecting device 8 is provided around the inside of the groove 6. The pressure monitoring device 8 is sleeved on the shaft as a whole, and is used to detect the centrifugal pressure caused by the shaft to the outside during the rotation .
- the radial pressure detecting device 8 includes an outer ring 9, an inner ring 10, and a roller 11.
- the outer peripheral wall of the outer ring 9 has an octagonal structure and is connected to the octagonal inner wall of the groove 6.
- the inner part of the outer ring 9 is socketed.
- the inner ring 10 and the inner periphery of the inner ring 10 are sleeved on the transmission shaft 7.
- a roller 11 is connected between the outer ring 9 and the inner ring 10.
- a cage is provided between the outer ring 9 and the inner ring 10. The roller 11 It is fixed in the cage.
- pressure sensors 12 are installed inside the outer ring 9.
- the force sensing surface of the pressure sensor 12 is located on the inner arc surface of the outer ring 9.
- the output end of the pressure sensor 12 is connected to the micro processing chip 13.
- the duplex serial communication interface is connected to the wireless communication chip 14.
- An electrical equipment compartment 15 is recessed inward on the bottom end surface of the chassis 2.
- the microprocessing chip 13 and the wireless communication chip 14 are installed in the electrical equipment compartment 15.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A compressor impeller with a rotating shaft radial pressure detecting function, the compressor impeller comprising an impeller body (1). The impeller body comprises a chassis (2), a rotating shaft connecting hole (3), a circular truncated cone entity (4), and air guide blades (5), wherein a bottom end face of the circular truncated cone entity (4) is connected to an upper end face of the chassis (2); several air guide blades (5) are connected onto a side end face of the circular truncated cone entity (4), and the center inside the circular truncated cone entity (4) is provided with the rotating shaft connecting hole (3) in a penetrating manner; an opening of the rotating shaft connecting hole (3) is led out from an upper end face of the circular truncated cone entity (4); the upper end face of the circular truncated cone entity (4) is recessed downward to form an octagonal groove (6), the center of a bottom end face of the groove (6) being connected to the opening of the rotating shaft connecting hole (3); a transmission rotating shaft (7) to be connected is led into the rotating shaft connecting hole (3), and the other end of the transmission rotating shaft (7) is led out from the upper end face of the circular truncated cone entity (4); and a radial pressure detecting device (8) is arranged around the interior of the groove (6). According to the solution, it is possible to detect the interaction pressure between an impeller and a rotating shaft when the impeller and the rotating shaft rotate.
Description
本发明涉及压缩机叶轮领域，特别是涉及一种具有转轴径向压力检测功能的压缩机叶轮。The invention relates to the field of compressor impellers, in particular to a compressor impeller having a radial pressure detection function of a rotating shaft.
压缩机是一种将低压气体提升为高压气体的从动的流体机械，是制冷***的心脏，它从吸气管吸入低温低压的制冷剂气体，通过电机运转带动活塞对其进行压缩后，向排气管排出高温高压的制冷剂气体，为制冷循环提供动力，压缩机的内部的核心部件是叶轮，又称工作轮，离心式压缩机中惟一对气流作功的元件，转子上的最主要部件，叶轮通过电机和转轴带动旋转，其旋转的转速值可以达到上千次每秒的频率，叶轮的生产制造标准之一便是结构对称，几何中心和重心的位置均要在转轴的中心轴线上，这样才能保证叶轮在旋转的过程中，叶轮不会因为形体不规则而反馈压力到转轴上，影响转轴的工作。The compressor is a driven fluid machine that lifts low-pressure gas into high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, and drives the piston to compress it through the operation of the motor. The exhaust pipe discharges high-temperature and high-pressure refrigerant gas to provide power for the refrigeration cycle. The core component of the compressor is an impeller, also called a working wheel. The only pair of airflow components in a centrifugal compressor is the main component of the rotor. The component and the impeller are driven to rotate by the motor and the shaft. The speed of the rotation can reach a frequency of thousands of times per second. One of the manufacturing standards of the impeller is symmetrical structure. The position of the geometric center and the center of gravity must be on the center axis of the shaft. In this way, it can be ensured that during the rotation of the impeller, the impeller will not feedback the pressure to the shaft due to the irregular shape, which will affect the work of the shaft.
发明内容Summary of the invention
本发明主要解决的技术问题是提供一种具有转轴径向压力检测功能的压缩机叶轮，能够能够检测叶轮与转轴之间旋转时互相的作用压力。The technical problem mainly solved by the present invention is to provide a compressor impeller with a radial pressure detection function of a rotating shaft, which can detect the mutual pressure when the impeller and the rotating shaft rotate.
为解决上述技术问题，本发明采用的一个技术方案是：提供一种具有转轴径向压力检测功能的压缩机叶轮，包括叶轮本体，所述叶轮本体包括底盘、转轴连接孔、圆台实体和导风叶片，所述圆台实体的底端面连接在所述底盘的上端面，所述圆台实体的侧端面上连接有若干所述导风叶片，所述圆台实体的内部中心贯穿设有所述转轴连接孔，所述转轴连接孔的开口从所述圆台实体的上端面导出，所述圆台实体的上端面向下凹陷设有八边形的凹槽，所述凹槽的底端面中心连接所述转轴连接孔的开口，所述转轴连接孔内导入连接传动转轴，所述传动转轴另一端从所述圆台实体的上端面导出，所述凹槽的内部环绕设有 一径向压力检测装置，所述径向压力检测装置包括外圈、内圈和滚子，所述外圈的外周壁为八边形结构并与所述凹槽的八边形内壁契合连接，所述外圈的内部套接所述内圈，所述内圈的内周套接在所述传动转轴上，所述外圈与所述内圈之间连接有所述滚子，所述外圈的内部安装若干个压力传感器，所述压力传感器的受力感应面导出位于所述外圈的内周弧面上。In order to solve the above technical problems, a technical solution adopted by the present invention is to provide a compressor impeller having a radial pressure detection function of a rotating shaft, including an impeller body. The impeller body includes a chassis, a rotating shaft connecting hole, a circular table body and a wind guide. In the blade, the bottom end surface of the circular table entity is connected to the upper end surface of the chassis, and a plurality of the wind guide blades are connected to the side end surface of the circular table entity. The inner center of the circular table entity is provided with the rotation shaft connection hole. The opening of the shaft connecting hole is derived from the upper end surface of the round table entity, and the upper end surface of the round table entity is recessed downward with an octagonal groove, and the bottom end surface of the groove is connected to the shaft connecting hole center. The transmission shaft is introduced into the connection hole of the rotation shaft, and the other end of the transmission shaft is derived from the upper end surface of the circular table body. A radial pressure detecting device is arranged around the inside of the groove. The detection device includes an outer ring, an inner ring, and a roller. The outer peripheral wall of the outer ring has an octagonal structure and is connected to the octagonal inner wall of the groove. The inner ring of the outer ring is sleeved with the inner ring, the inner periphery of the inner ring is sleeved with the transmission shaft, the roller is connected between the outer ring and the inner ring, and the outer ring A plurality of pressure sensors are installed inside the pressure sensor, and the force-sensing surface of the pressure sensor is located on the inner arc surface of the outer ring.
在本发明一个较佳实施例中，所述压力传感器的输出端连接微处理芯片，所述微处理芯片的全双工串行通信接口连接无线通信芯片。In a preferred embodiment of the present invention, an output end of the pressure sensor is connected to a micro processing chip, and a full-duplex serial communication interface of the micro processing chip is connected to a wireless communication chip.
在本发明一个较佳实施例中，所述底盘的底端面上向内凹陷设有电气设备仓，所述微处理芯片和所述无线通信芯片安装在所述电器设备仓内。In a preferred embodiment of the present invention, an electrical equipment compartment is recessed inward on the bottom end surface of the chassis, and the microprocessing chip and the wireless communication chip are installed in the electrical equipment compartment.
在本发明一个较佳实施例中，所述外圈和内圈之间设有保持架，所述滚子被固定在所述保持架内。In a preferred embodiment of the present invention, a cage is provided between the outer ring and the inner ring, and the roller is fixed in the cage.
本发明的有益效果是：本发明设计了一种具有电气化检测功能更的叶轮，用于检测叶轮的轮体和传动转轴之间在旋转工作过程中互相作用的压力大小变化，叶轮在高速旋转的过程中，其轮体本身如果不是一个360°方向上结构匀称，中心位于轴线上的物件，则轮体和转轴之间在旋转一周的过程中，每一个点的离心力作用大小会发生变化，如果检测到压力大小的参差不齐，就可以判定叶轮的质量不合格，对其及时停用，避免产生后续的影响。The beneficial effect of the present invention is that the present invention designs an impeller with a more electrified detection function, which is used to detect the change in the interaction pressure between the wheel body and the transmission shaft of the impeller during the rotation work. The impeller rotates at a high speed. In the process, if the wheel itself is not an object with a symmetrical structure in the 360 ° direction and the center is on the axis, the centrifugal force at each point will change during the rotation between the wheel and the shaft. The unevenness of the pressure is detected, and the impeller quality can be judged to be unqualified, and it can be stopped in time to avoid subsequent impact.
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅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它的附图，其中：In order to explain the technical solutions in the embodiments of the present invention more clearly, the drawings used in the description of the embodiments are briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without drawing creative labor, other drawings can be obtained according to these drawings, of which:
图1是本发明具有转轴径向压力检测功能的压缩机叶轮一较佳实施例的结构示意图；1 is a schematic structural diagram of a preferred embodiment of a compressor impeller having a function of detecting a radial pressure of a rotating shaft according to the present invention;
图2是本发明具有转轴径向压力检测功能的压缩机叶轮一较佳实施例的电路结构示意图；FIG. 2 is a schematic circuit structure diagram of a compressor impeller with a radial pressure detection function of a rotating shaft according to the present invention; FIG.
附图中各部件的标记如下：1、叶轮本体；2、底盘；3、转轴连接孔；4、圆台实体；5、导风叶片；6、凹槽；7、传动转轴；8、压力检测装置；9、外圈；10、内圈；11、滚子；12、压力传感器；13、微处理芯片；14、无线通信芯片；15、电器设备仓。The components in the drawings are marked as follows: 1. Impeller body; 2. Chassis; 3. Rotary shaft connection hole; 4. Round table entity; 5. Wind guide blades; 6. Grooves; 7. Transmission shaft; 8. Pressure detection device 9, outer ring; 10, inner ring; 11, roller; 12, pressure sensor; 13, micro-processing chip; 14, wireless communication chip; 15, electrical equipment warehouse.
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
请参阅图1和图2，本发明实施例包括：Referring to FIG. 1 and FIG. 2, an embodiment of the present invention includes:
一种具有转轴径向压力检测功能的压缩机叶轮，包括叶轮本体1，所述叶轮本体1包括底盘2、转轴连接孔3、圆台实体4和导风叶片5，所述圆台实体4的底端面连接在所述底盘2的上端面，所述圆台实体4的侧端面上连接有若干所述导风叶片5，所述圆台实体4的内部中心贯穿设有所述转轴连接孔3，所述转轴连接孔3的开口从所述圆台实体4的上端面导出，所述圆台实体4的上端面向下凹陷设有八边形的凹槽6，所述凹槽6的底端面中心连接所述转轴连接3孔的开口，所述转轴连接孔3内导入连接传动转轴7，所述传动转轴7另一端从所述圆台实体4的上端面导出，所述凹槽6的内部环绕设有一径向压力检测装置8，所述径向压力检测装置8包括外圈9、内圈10和滚子11，所述外圈9的外周壁为八边形结构并与所述凹槽6的八边形内壁契合连接，所述外圈9的内部套接所述内圈10，所述内圈10的内周套接在所述传动转轴7上，所述外圈9与所述内圈10之间连接有所述滚子11，所述外圈9的内部安装若干个压力传感器12，所述压力传感器12的受力感应面导出位于所述外圈9的内周弧面上。A compressor impeller having a function of detecting radial pressure of a rotating shaft includes an impeller body 1. The impeller body 1 includes a chassis 2, a shaft connecting hole 3, a circular table body 4 and a wind guide blade 5, and a bottom end surface of the circular table body 4. The upper end surface of the chassis 2 is connected to the side end surface of the round table entity 4. A plurality of the wind guide blades 5 are connected to the inner center of the round table entity 4. The rotary shaft connection hole 3 is penetrated through the rotary shaft. The opening of the connection hole 3 is derived from the upper end surface of the circular table body 4, and the upper end surface of the circular table body 4 is recessed downward with an octagonal groove 6, and the bottom end surface of the groove 6 is connected to the rotary shaft center. A 3-hole opening, the transmission shaft 7 is introduced into the rotation shaft connection hole 3, and the other end of the transmission shaft 7 is derived from the upper end surface of the circular table body 4, and a radial pressure detection is provided around the inside of the groove 6 Device 8, the radial pressure detecting device 8 includes an outer ring 9, an inner ring 10, and a roller 11, an outer peripheral wall of the outer ring 9 is an octagonal structure and fits with an octagonal inner wall of the groove 6 Connection, the inside of the outer ring 9 is sleeved with the inner ring 10, so The inner periphery of the inner ring 10 is sleeved on the transmission shaft 7. The roller 11 is connected between the outer ring 9 and the inner ring 10. A plurality of pressure sensors 12 are installed inside the outer ring 9. The force-sensing surface of the pressure sensor 12 is located on the inner arc surface of the outer ring 9.
另外，所述压力传感器12的输出端连接微处理芯片13，所述微处理芯片13的全双工串行通信接口连接无线通信芯片14。In addition, an output end of the pressure sensor 12 is connected to a micro processing chip 13, and a full-duplex serial communication interface of the micro processing chip 13 is connected to a wireless communication chip 14.
另外，所述底盘2的底端面上向内凹陷设有电气设备仓15，所述微处理芯片13和所述无线通信芯片14安装在所述电器设备仓15内。In addition, an electrical equipment compartment 15 is recessed inward on the bottom end surface of the chassis 2, and the microprocessing chip 13 and the wireless communication chip 14 are installed in the electrical equipment compartment 15.
另外，所述外圈9和内圈10之间设有保持架，所述滚子11被固定在所述保持架内。In addition, a cage is provided between the outer ring 9 and the inner ring 10, and the roller 11 is fixed in the cage.
本发明的工作原理为叶轮本体1包括底盘2、转轴连接孔3、圆台实体4和导风叶片5，圆台实体4的底端面连接在底盘2的上端面，圆台实体4的内部中心贯穿设有转轴连接孔3，转轴连接孔3的开口从圆台实体4的上端面导出。The working principle of the present invention is that the impeller body 1 includes a chassis 2, a shaft connecting hole 3, a circular table entity 4 and a wind guide blade 5. The bottom end surface of the circular table entity 4 is connected to the upper end surface of the chassis 2, and the internal center of the circular table entity 4 is provided through The shaft connection hole 3 is opened from the upper end surface of the circular table body 4.
圆台实体4的上端面向下凹陷设有八边形的凹槽6，凹槽6的底端面中心连接转轴连接3孔的开口，转轴连接孔3内导入连接传动转轴7，传动转轴7另一端从圆台实体4的上端面导出，凹槽6的内部环绕设有一径向压力检测装置8，压力监测装置8整体套接在转轴上，用于检测转轴在工作过程旋转时对外侧造成的离心压力大小。The upper end surface of the circular table body 4 is recessed with an octagonal groove 6 downward. The bottom end surface of the groove 6 is connected to the opening of the shaft connection 3 hole. The shaft connection hole 3 is introduced into the transmission shaft 7 and the other end of the transmission shaft 7 is The upper end surface of the circular table body 4 is derived. A radial pressure detecting device 8 is provided around the inside of the groove 6. The pressure monitoring device 8 is sleeved on the shaft as a whole, and is used to detect the centrifugal pressure caused by the shaft to the outside during the rotation .
径向压力检测装置8包括外圈9、内圈10和滚子11，外圈9的外周壁为八边形结构并与凹槽6的八边形内壁契合连接，外圈9的内部套接内圈10，内圈10的内周套接在传动转轴7上，外圈9与内圈10之间连接有滚子11，外圈9和内圈10之间设有保持架，滚子11被固定在保持架内。The radial pressure detecting device 8 includes an outer ring 9, an inner ring 10, and a roller 11. The outer peripheral wall of the outer ring 9 has an octagonal structure and is connected to the octagonal inner wall of the groove 6. The inner part of the outer ring 9 is socketed. The inner ring 10 and the inner periphery of the inner ring 10 are sleeved on the transmission shaft 7. A roller 11 is connected between the outer ring 9 and the inner ring 10. A cage is provided between the outer ring 9 and the inner ring 10. The roller 11 It is fixed in the cage.
外圈9的内部安装若干个压力传感器12，压力传感器12的受力感应面导出位于外圈9的内周弧面上，压力传感器12的输出端连接微处理芯片13，微处理芯片13的全双工串行通信接口连接无线通信芯片14，底盘2的底端面上向内凹陷设有电气设备仓15，微处理芯片13和无线通信芯片14安装在电器设备仓15内。Several pressure sensors 12 are installed inside the outer ring 9. The force sensing surface of the pressure sensor 12 is located on the inner arc surface of the outer ring 9. The output end of the pressure sensor 12 is connected to the micro processing chip 13. The duplex serial communication interface is connected to the wireless communication chip 14. An electrical equipment compartment 15 is recessed inward on the bottom end surface of the chassis 2. The microprocessing chip 13 and the wireless communication chip 14 are installed in the electrical equipment compartment 15.
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其 它相关的技术领域，均同理包括在本发明的专利保护范围内。The above description is only an embodiment of the present invention, and thus does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by the content of the description of the present invention, or directly or indirectly used in other related technical fields, are The same is included in the patent protection scope of the present invention.
Claims (4)
- 一种具有转轴径向压力检测功能的压缩机叶轮，包括叶轮本体，其特征在于，所述叶轮本体包括底盘、转轴连接孔、圆台实体和导风叶片，所述圆台实体的底端面连接在所述底盘的上端面，所述圆台实体的侧端面上连接有若干所述导风叶片，所述圆台实体的内部中心贯穿设有所述转轴连接孔，所述转轴连接孔的开口从所述圆台实体的上端面导出，所述圆台实体的上端面向下凹陷设有八边形的凹槽，所述凹槽的底端面中心连接所述转轴连接孔的开口，所述转轴连接孔内导入连接传动转轴，所述传动转轴另一端从所述圆台实体的上端面导出，所述凹槽的内部环绕设有一径向压力检测装置，所述径向压力检测装置包括外圈、内圈和滚子，所述外圈的外周壁为八边形结构并与所述凹槽的八边形内壁契合连接，所述外圈的内部套接所述内圈，所述内圈的内周套接在所述传动转轴上，所述外圈与所述内圈之间连接有所述滚子，所述外圈的内部安装若干个压力传感器，所述压力传感器的受力感应面导出位于所述外圈的内周弧面上。A compressor impeller having a function of detecting radial pressure of a rotating shaft includes an impeller body, which is characterized in that the impeller body includes a chassis, a shaft connecting hole, a circular table body and a wind guide blade, and the bottom end surface of the circular table body is connected to the The upper end surface of the chassis, a plurality of the wind guide blades are connected to the side end surface of the round table entity, and the inner center of the round table entity is provided with the rotation shaft connection hole, and the opening of the rotation shaft connection hole is from the round table. The upper end surface of the solid is derived, and the upper end surface of the circular table body is recessed downward with an octagonal groove. The bottom end surface of the groove is centrally connected to the opening of the shaft connection hole, and a connection transmission is introduced into the shaft connection hole. A rotating shaft, the other end of the transmission rotating shaft is derived from the upper end surface of the circular table body, and a radial pressure detecting device is arranged around the inside of the groove, and the radial pressure detecting device includes an outer ring, an inner ring and a roller, The outer peripheral wall of the outer ring has an octagonal structure and is fitly connected with the inner wall of the octagon of the groove. The inner portion of the outer ring is sleeved with the inner ring, and the inner periphery of the inner ring is Connected to the transmission shaft, the roller is connected between the outer ring and the inner ring, a plurality of pressure sensors are installed inside the outer ring, and the force sensing surface of the pressure sensor is located at The inner circumferential arc surface of the outer ring is described.
- 根据权利要求1所述的具有转轴径向压力检测功能的压缩机叶轮，其特征在于，所述压力传感器的输出端连接微处理芯片，所述微处理芯片的全双工串行通信接口连接无线通信芯片。The compressor impeller having a function of detecting radial pressure of a rotating shaft according to claim 1, wherein an output end of the pressure sensor is connected to a micro processing chip, and a full-duplex serial communication interface of the micro processing chip is connected to a wireless Communication chip.
- 根据权利要求1所述的具有转轴径向压力检测功能的压缩机叶轮，其特征在于，所述底盘的底端面上向内凹陷设有电气设备仓，所述微处理芯片和所述无线通信芯片安装在所述电器设备仓内。The compressor impeller having the function of detecting the radial pressure of a rotating shaft according to claim 1, wherein an electrical equipment compartment is recessed inward on a bottom end surface of the chassis, the micro processing chip and the wireless communication chip Installed in the electrical equipment warehouse.
- 根据权利要求1所述的具有转轴径向压力检测功能的压缩机叶轮，其特征在于，所述外圈和内圈之间设有保持架，所述滚子被固定在所述保持架内。The compressor impeller having the function of detecting the radial pressure of the rotating shaft according to claim 1, wherein a cage is provided between the outer ring and the inner ring, and the roller is fixed in the cage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882548.1A CN108895029A (en) | 2018-08-06 | 2018-08-06 | Compressor impeller with shaft radial pressure detection function |
| CN201810882548.1 | 2018-08-06 |
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| Publication Number | Publication Date |
|---|---|
| WO2020029436A1 true WO2020029436A1 (en) | 2020-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2018/112182 WO2020029436A1 (en) | 2018-08-06 | 2018-10-26 | Compressor impeller with rotating shaft radial pressure detection function |
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| Country | Link |
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| CN (1) | CN108895029A (en) |
| WO (1) | WO2020029436A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884316A (en) * | 2021-09-26 | 2022-01-04 | 泉州市华茂机械设备有限公司 | Guide wheel detection machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108895029A (en) * | 2018-08-06 | 2018-11-27 | 无锡市海星船舶动力有限公司 | Compressor impeller with shaft radial pressure detection function |
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- 2018-08-06 CN CN201810882548.1A patent/CN108895029A/en not_active Withdrawn
- 2018-10-26 WO PCT/CN2018/112182 patent/WO2020029436A1/en active Application Filing
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| JP2006009581A (en) * | 2004-06-22 | 2006-01-12 | Ebara Corp | Damage detecting method and device for impeller |
| JP4828217B2 (en) * | 2005-12-05 | 2011-11-30 | 日本電産コパル電子株式会社 | Blower |
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| CN113884316A (en) * | 2021-09-26 | 2022-01-04 | 泉州市华茂机械设备有限公司 | Guide wheel detection machine |
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| CN108895029A (en) | 2018-11-27 |
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