CN216283711U - Stable flow sensor - Google Patents
Stable flow sensor Download PDFInfo
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- CN216283711U CN216283711U CN202023016319.3U CN202023016319U CN216283711U CN 216283711 U CN216283711 U CN 216283711U CN 202023016319 U CN202023016319 U CN 202023016319U CN 216283711 U CN216283711 U CN 216283711U
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Abstract
Description
技术领域technical field
本实用新型涉及流量传感器技术领域,尤其涉及一种稳定型流量传感器。The utility model relates to the technical field of flow sensors, in particular to a stable flow sensor.
背景技术Background technique
液体流量计流体流经传感器壳体,由于叶轮的叶片与流向有一定的角度,流体的冲力使叶片具有转动力矩,克服摩擦力矩和流体阻力之后叶片旋转,在力矩平衡后转速稳定,液体流量计在一定的条件下,转速与流速成正比,由于叶片有导磁性,它处于信号检测器(由永久磁钢和线圈组成)的磁场中,旋转的叶片切割磁力线,周期性的改变着线圈的磁通量,从而使线圈两端感应出电脉冲信号,此信号经过放大器的放大整形,形成有一定幅度的连续的矩形脉冲波,可远传至显示仪表,显示出流体的瞬时流量或总量。The liquid flow meter fluid flows through the sensor housing. Since the blades of the impeller have a certain angle with the flow direction, the impeller of the fluid causes the blades to have a rotating torque. After overcoming the friction torque and fluid resistance, the blades rotate. After the torque is balanced, the speed is stable, and the liquid flow meter Under certain conditions, the rotational speed is proportional to the flow rate. Since the blade is magnetically permeable, it is in the magnetic field of the signal detector (composed of permanent magnets and coils). The rotating blade cuts the magnetic field lines and periodically changes the magnetic flux of the coil. , so that the two ends of the coil induce an electrical pulse signal, which is amplified and shaped by the amplifier to form a continuous rectangular pulse wave with a certain amplitude, which can be transmitted to the display instrument to display the instantaneous flow or total amount of the fluid.
现有技术中的流量传感器存在以下缺陷:一是用于感应的霍尔元件电路部分与阀体为一体式,若阀体有损坏则需要对设备整体进行更换,提高了生产成本;二是内部液体流速不稳定,而流动状态混乱的流体会使测量数据不稳定或无法测量。The flow sensor in the prior art has the following defects: First, the Hall element circuit used for sensing is integrated with the valve body. If the valve body is damaged, the entire device needs to be replaced, which increases the production cost; second, the internal Liquid flow rates are unstable, and fluids with chaotic flow conditions can make measurement data unstable or impossible to measure.
实用新型内容Utility model content
本实用新型的目的是为了解决现有技术中存在的缺点,而提出的一种稳定型流量传感器。The purpose of the utility model is to propose a stable flow sensor in order to solve the shortcomings existing in the prior art.
为了实现上述目的,本实用新型采用了如下技术方案:In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
一种稳定型流量传感器,包括阀体,所述阀体的内部开设有流量检测通道,流量检测通道的内部转动设置有转子,所述转子的外部套设有涡轮,且流量检测通道的内壁固定设置有导流组件,所述导流组件包括导流片,导流片呈环状分布在流量检测通道的内部;A stable flow sensor includes a valve body, a flow detection channel is opened in the inside of the valve body, a rotor is rotated inside the flow detection channel, a turbine is sleeved outside the rotor, and the inner wall of the flow detection channel is fixed A flow guide assembly is provided, and the flow guide assembly includes a guide fin, and the guide fin is annularly distributed inside the flow detection channel;
所述阀体的顶部固定设置有连接部,所述连接部上螺纹连接有安装座,所述安装座的底部固定设置有延伸部,延伸部位于连接座的内部,且延伸部上安装有霍尔元件。The top of the valve body is fixedly provided with a connecting portion, the connecting portion is screwed with a mounting seat, the bottom of the mounting seat is fixedly provided with an extension portion, the extension portion is located inside the connecting seat, and the extension portion is mounted with a hoist. Er element.
优选的,所述阀体与连接部为一体成型结构。Preferably, the valve body and the connecting portion are integrally formed.
优选的,所述连接座的内部开设有与所述流量检测通道相连通的通槽,所述延伸部嵌入在通槽的内部。Preferably, a through groove communicated with the flow detection channel is formed in the inside of the connection seat, and the extension portion is embedded in the interior of the through groove.
优选的,所述连接座外侧和安装座的内壁分别设有相对应的外螺纹和内螺纹。Preferably, the outer side of the connecting seat and the inner wall of the mounting seat are respectively provided with corresponding external threads and internal threads.
优选的,所述安装座的端部螺纹连接有旋盖。Preferably, a screw cap is threadedly connected to the end of the mounting seat.
本实用新型的有益效果是:The beneficial effects of the present utility model are:
1、本实用新型中通过延伸部、安装座以及连接部等结构的设置,用于安装霍尔元件的连接延伸部可与阀体拆卸,当阀体损坏后可只对阀体进行更换,降低了制造成本。1. In the present utility model, through the arrangement of the extension part, the mounting seat and the connecting part, the connection extension part used to install the Hall element can be disassembled from the valve body. When the valve body is damaged, only the valve body can be replaced, reducing the manufacturing cost.
2、本实用新型中通过导流组件的设计,对流入流量检测通道的流体进行导向,使得流体在流量检测通道内流动稳定,从而解决了混乱状态流体使测量数据不稳定或无法测量的问题。2. The design of the guide assembly in the present invention guides the fluid flowing into the flow detection channel, so that the fluid flows stably in the flow detection channel, thereby solving the problem of unstable or unmeasurable measurement data caused by chaotic fluid.
附图说明Description of drawings
图1为本实用新型提出的一种稳定型流量传感器的结构示意图;Fig. 1 is the structural representation of a kind of stable flow sensor proposed by the utility model;
图2为本实用新型提出的一种稳定型流量传感器的主视图;2 is a front view of a stable flow sensor proposed by the utility model;
图3为本实用新型提出的一种稳定型流量传感器的剖视图。FIG. 3 is a cross-sectional view of a stable flow sensor proposed by the utility model.
图中:1阀体、11连接部、12外螺纹、2安装座、21延伸部、22内螺纹、3导流组件、4转子、5涡轮。In the figure: 1 valve body, 11 connecting part, 12 external thread, 2 mounting seat, 21 extension part, 22 internal thread, 3 guide assembly, 4 rotor, 5 turbine.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.
参照图1-3,一种稳定型流量传感器,包括阀体1,所述阀体1的内部开设有流量检测通道,流量检测通道的内部转动设置有转子4,转子4的外部套设有涡轮5,且流量检测通道的内壁固定设置有导流组件3,导流组件3包括导流片,导流片呈环状分布在流量检测通道的内部;阀体1的顶部固定设置有连接部11,连接部11上螺纹连接有安装座2,安装座2的底部固定设置有延伸部21,延伸部21位于连接座的内部,且延伸部21上安装有霍尔元件。1-3, a stable flow sensor includes a
其中,通过延伸部21、安装座2以及连接部11等结构的设置,用于安装霍尔元件的连接延伸部21可与阀体1拆卸,当阀体1损坏后可只对阀体1进行更换,降低了制造成本,通过导流组件3的设计,对流入流量检测通道的流体进行导向,使得流体在流量检测通道内流动稳定,从而解决了混乱状态流体使测量数据不稳定或无法测量的问题。Among them, through the arrangement of the
阀体1与连接部11为一体成型结构,连接座的内部开设有与流量检测通道相连通的通槽,延伸部21嵌入在通槽的内部,连接座外侧和安装座2的内壁分别设有相对应的外螺纹12和内螺纹22,安装座2的端部螺纹连接有旋盖。The
本实施例中,工作时,阀体1安装在管路上,当流体进入流量检测通道内部后,在环状的导流组件3作用下流动稳定,确保经过涡轮5的流体稳定,涡轮5受到流体作用带动转子4转动,涡轮5上设有五个磁钢,在转动一圈后,在与霍尔元件的配合作用下将信号放大输出,从而对流量进行检测;In this embodiment, when working, the
进一步的,若阀体1损坏,人员可将安装座2、延伸部21选下,只对阀体1进行更换,降低生产成本。Further, if the
以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.
Claims (5)
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CN202023016319.3U CN216283711U (en) | 2020-12-15 | 2020-12-15 | Stable flow sensor |
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CN202023016319.3U CN216283711U (en) | 2020-12-15 | 2020-12-15 | Stable flow sensor |
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Granted publication date: 20220412 |