WO2021120604A1 - 一种多参数水质传感器 - Google Patents

一种多参数水质传感器 Download PDF

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WO2021120604A1
WO2021120604A1 PCT/CN2020/100758 CN2020100758W WO2021120604A1 WO 2021120604 A1 WO2021120604 A1 WO 2021120604A1 CN 2020100758 W CN2020100758 W CN 2020100758W WO 2021120604 A1 WO2021120604 A1 WO 2021120604A1
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water quality
sensor
quality detection
outer tube
transmission cable
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PCT/CN2020/100758
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French (fr)
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颜书法
杨洋
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南京奇崛电子科技有限公司
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously

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  • the invention relates to the technical field of water quality sensors, in particular to a multi-parameter water quality sensor.
  • Water quality sensor refers to a sensor used to detect parameters such as oxygen content, pH value, salinity, dissolved oxygen and conductivity in water. It is mainly used in rivers, oceans, aquaculture, environmental protection and other fields. Generally, a water quality sensor can only To detect a water quality parameter, when multiple parameters of water quality need to be detected, a variety of different water quality sensors need to be configured, which is cumbersome, time-consuming and labor-intensive.
  • the invention provides a multi-parameter water quality sensor, which has the advantage of integrating multiple water quality detection sensors, capable of simultaneously detecting multiple water quality parameters of the water body, with high integration and small size.
  • a multi-parameter water quality sensor includes a cylindrical outer tube.
  • a plurality of water quality detection sensors are arranged in the outer tube, and the plurality of water quality detection sensors are fixed to the outer tube by a sensor fixing member.
  • the signal output ends of multiple water quality detection sensors are set on the same side, one end of the outer pipe is provided with a connection port, and the connection port is provided with a transmission cable extending outwards.
  • the transmission cable is used to transmit the output of the water quality detection sensor.
  • Signal the other end of the outer tube is detachably connected with a protective cover, and one end of the side wall of the outer tube close to the protective cover is provided with a circulation hole penetrating the side wall of the outer tube.
  • multiple water quality detection sensors are integrated in the outer pipe, and the output signals of the multiple water quality detection sensors are output from the transmission cable, thereby realizing simultaneous multi-parameter detection of the water body.
  • the water body to be tested enters the outside from the circulation hole.
  • the water quality detection sensor inside the tube and infiltrated the outer tube, the water quality detection sensor detects the water quality parameters and transmits them to the host computer through the transmission cable.
  • the present invention is further provided that the water quality detection sensor is threadedly connected to the sensor fixing member.
  • the water quality detection sensor is convenient to connect with the sensor fixing part, and it is also convenient to replace the water quality detection sensor.
  • the present invention is further provided that a first waterproof ring and a second waterproof ring are provided on the thread connecting the water quality detection sensor and the sensor fixing member.
  • the first waterproof ring and the second waterproof ring are used for waterproofing, so as to prevent the water in the outer tube from entering the electrical part of the water quality detection sensor, and improve the working reliability of the water quality detection sensor.
  • the present invention is further provided that the end of the connection between the water quality detection sensor and the sensor fixing member is provided with an axial waterproof ring.
  • the axial waterproof ring is squeezed when the water quality detection sensor is connected to the sensor fixing part, and the axial waterproof ring further improves the waterproof effect.
  • the present invention is further provided that the transmission cable is connected with a butt joint, and the butt joint is threadedly connected with the connection port.
  • the transmission cable is connected to the connection port through the butt joint, which is convenient for connection and the butt joint is convenient to be detached from the connection port.
  • the present invention is further configured to provide a single chip microcomputer at a position between the connection port and the sensor fixing part in the outer pipe, the signal output end of the water quality detection sensor is connected with the single chip microcomputer, and the transmission cable is connected with the single chip microcomputer. The signal is output to the transmission cable.
  • the output signals of multiple water quality detection sensors are transmitted to the single-chip microcomputer, which is converted into a signal from the transmission cable and outputted by the single-chip microcomputer, reducing the number of lines.
  • the present invention is further provided that four circulation holes are evenly arranged along the circumferential direction of the outer tube.
  • the present invention is further provided that there are four or six water quality detection sensors.
  • the present invention is further configured that the water quality detection sensor is a different combination of a residual chlorine sensor, a conductivity sensor, a PH sensor, an ORP sensor, an ammonia nitrogen sensor, and a turbidity sensor.
  • connection end of the water quality detection sensor and the sensor fixing part is provided with a first waterproof ring, a second waterproof ring and an axial waterproof ring to achieve multiple waterproof functions and good waterproofness;
  • Figure 1 is a schematic diagram of the overall structure of this embodiment
  • Fig. 2 is a partial view showing the positions of the first waterproof ring, the second waterproof ring and the axial waterproof ring in this embodiment.
  • a multi-parameter water quality sensor includes a cylindrical outer tube 3, and a plurality of water quality detection sensors 4 are arranged in the outer tube 3, and the plurality of water quality detection sensors 4 are fixed by a sensor fixing member 5 Inside the outer tube 3, the signal output ends of a plurality of water quality detection sensors 4 are arranged on the same side, one end of the outer tube 3 is provided with a connection port, and the connection port is provided with an outwardly extending transmission cable 10 for the transmission cable 10 To transmit the output signal of the water quality detection sensor 4; the other end of the outer tube 3 is detachably connected with a protective cover 1; Multiple water quality detection sensors 4 are integrated in the outer tube 3, and the output signals of the multiple water quality detection sensors 4 are output from the transmission cable 10, thereby realizing simultaneous multi-parameter detection of the water body.
  • the water body to be tested enters from the circulation hole 2
  • the water quality detection sensor 4 in the outer tube 3 is infiltrated in the outer tube 3 and the water quality detection sensor 4 detects the water quality parameters and transmits them to the upper computer through the transmission cable 10.
  • the right end of the outer tube 3 is provided with a rear end cover 8, the rear end cover 8 is threadedly connected to the outer tube 3, and the connecting port is arranged at the middle position of the rear end cover 8.
  • the water quality detection sensor 4 is threadedly connected to the sensor fixing part 5, and the water quality detection sensor 4 is conveniently connected with the sensor fixing part 5, and the water quality detection sensor 4 is also convenient to replace.
  • the thread connecting the water quality detection sensor 4 and the sensor fixing member 5 is provided with a first waterproof ring 11 and a second waterproof ring 12, the first waterproof ring 11 and the second waterproof ring 12 are used for waterproofing, so as to avoid water in the outer tube 3 Enter the electrical part of the water quality detection sensor 4 to improve the working reliability of the water quality detection sensor 4.
  • An axial waterproof ring 13 is provided at the end where the water quality detection sensor 4 and the sensor fixing part 5 are connected.
  • the first waterproof ring 11, the second waterproof ring 12 and the axial waterproof ring 13 are all made of silica gel.
  • the transmission cable 10 is connected with a butt joint 9 which is threadedly connected to the connection port.
  • the transmission cable 10 is connected to the connection port through the butt joint 9 for convenient connection and the butt joint 9 is convenient to be removed from the connection port.
  • the water quality detection sensor 4 is provided with four or six.
  • the water quality detection sensor 4 is a different combination of a residual chlorine sensor, a conductivity sensor, a PH sensor, an ORP sensor, an ammonia nitrogen sensor, and a turbidity sensor. Threaded, used to connect to the sensor fixture 5.
  • a single-chip microcomputer 7 is provided in the outer tube 3 between the connecting port and the sensor fixing member 5, the signal output end of the water quality detection sensor 4 is connected to the single-chip microcomputer 7, and the transmission cable 10 is connected to the single-chip microcomputer 7. 7 is connected, and the single-chip microcomputer 7 is used to output the output signal of the water quality detection sensor 4 to the transmission cable 10.
  • the output signals of the multiple water quality detection sensors 4 are transmitted to the single-chip microcomputer 7, and are converted into a signal by the single-chip microcomputer 7 and output from the transmission cable 10, reducing the number of lines.

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Abstract

一种多参数水质传感器，属于水质传感器技术领域，包括一个圆柱形的外管(3)，外管(3)内设有多个水质检测传感器(4)，多个水质检测传感器(4)通过传感器固定件(5)固定在外管(3)的内部，多个水质检测传感器(4)的信号输出端设置在同一侧，外管(3)的一端设置有连接口，连接口设有向外伸出的传输线缆(10)，传输线缆(10)用于传输水质检测传感器(4)的输出信号；外管(3)的另一端可拆卸连接有保护盖(1)，外管(3)侧壁靠近保护盖(1)的一端设有贯穿外管(3)侧壁的流通孔(2)。该传感器的优点是集成了多个水质检测传感器，能够实现同时对水体的多种水质参数进行检测，集成度高，体积小。

Description

一种多参数水质传感器 技术领域
本发明涉及水质传感器技术领域，特别涉及一种多参数水质传感器。
背景技术
水质传感器是指用于检测水中含氧量、PH值、含盐度、溶解氧以及电导率等参数的传感器，主要应用于河道、海洋、养殖业、环保等领域，通常，一个水质传感器只能检测一项水质参数，在需要对水质的多种参数进行检测时，需要配置多种不同的水质传感器，检测繁琐、费时费力。
目前市场上，存在将各种分立的传感器集中在一起做成一个装置来监测水质的技术，这种方法存在以下的问题：1、使用分立的传感器，组装比较麻烦，费时费力，引线较多，各种传感器协议需要分别调试；2、体积大，直径超过90mm，且重量较重，工艺复杂，大多采用航空接头对接，防水性不高。
发明内容
本发明提供了一种多参数水质传感器，其优点是集成了多个水质检测传感器，能够实现同时对水体的多种水质参数进行检测，集成度高，体积小。
本发明的上述目的是通过以下技术方案实现的，一种多参数水质传感器，包括一个圆柱形的外管，外管内设有多个水质检测传感器，多个水质检测传感器通过传感器固定件固定在外管的内部，多个水质检测传感器的信号输出端设置在同一侧，外管的一端设置有连接口，连接口设有向外伸出的传输线缆，传输线缆用于传输水质检测传感器的输出信号；外管的另一端可拆卸连接有保护盖，外管侧壁靠近保护盖的一端设有贯穿外管侧壁的流通孔。
通过上述技术方案，多个水质检测传感器集成在外管内，多个水质检测传感器的输出信号从传输线缆输出，从而实现同时对水体的多参数检测，检测时，待测水体从流通孔进入到外管内并浸润外管内的水质检测传感器，水质检测传感器检测水质参数并通过传输线缆传输至上位机。
本发明进一步设置为，水质检测传感器螺纹连接在传感器固定件上。
通过上述技术方案，水质检测传感器方便与传感器固定件连接，同时也方便更换水质检测传感器。
本发明进一步设置为，水质检测传感器与传感器固定件连接的螺纹上设有第 一防水圈和第二防水圈。
通过上述技术方案，第一防水圈和第二防水圈用于防水，从而避免外管内的水进入到水质检测传感器的电性部分，提高水质检测传感器的工作可靠性。
本发明进一步设置为，水质检测传感器与传感器固定件连接的端部设有轴向防水圈。
通过上述技术方案，水质检测传感器连接至传感器固定件上时挤压轴向防水圈，轴向防水圈进一步提高防水效果。
本发明进一步设置为，所述传输线缆连接有对接头，对接头与连接口螺纹连接。
通过上述技术方案，传输线缆通过对接头与连接口连接，连接方便，对接头方便从连接口上拆卸。
本发明进一步设置为，外管内位于连接口和传感器固定件之间的位置设有单片机，水质检测传感器的信号输出端与单片机连接，传输线缆与单片机连接，单片机用于将水质检测传感器的输出信号输出至传输线缆。
通过上述技术方案，多个水质检测传感器的输出信号传输至单片机，经过单片机转换成一路信号从传输线缆输出，减少了线路。
本发明进一步设置为，所述流通孔沿着外管的圆周方向均匀设置有四个。
通过上述技术方案，设置四个流通孔方便外管内外水体的交换，使检测结果更加准确。
本发明进一步设置为，水质检测传感器设有四个或六个。
本发明进一步设置为，所述水质检测传感器为余氯传感器、电导率传感器、PH传感器、ORP传感器、氨氮传感器、浊度传感器中的不同组合。
综上所述，本发明的有益效果有：
1.通过集成多个水质检测传感器至外管内来实现对水体的多参数检测，提高检测效率；
2.水质检测传感器与传感器固定件的连接端设置有第一防水圈、第二防水圈和轴向防水圈实现多重防水功能，防水性好；
3.多个水质检测传感器的输出信号经过单片机汇成一路引线，减少布线。
附图说明
图1是本实施例的整体结构示意图；
图2是本实施例中体现第一防水圈、第二防水圈和轴心防水圈位置的局部图。
图中，1、保护盖；2、流通孔；3、外管；4、水质检测传感器；5、传感器固定件；7、单片机；8、后端盖；9、对接头；10、传输线缆；11、第一防水圈；12、第二防水圈；13、轴向防水圈。
具体实施方式
下面结合附图详细说明本发明的具体实施方式。
实施例：参考图1-2，一种多参数水质传感器，包括一个圆柱形的外管3，外管3内设有多个水质检测传感器4，多个水质检测传感器4通过传感器固定件5固定在外管3的内部，多个水质检测传感器4的信号输出端设置在同一侧，外管3的一端设置有连接口，连接口设有向外伸出的传输线缆10，传输线缆10用于传输水质检测传感器4的输出信号；外管3的另一端可拆卸连接有保护盖1，外管3侧壁靠近保护盖1的一端设有贯穿外管3侧壁的流通孔2。多个水质检测传感器4集成在外管3内，多个水质检测传感器4的输出信号从传输线缆10输出，从而实现同时对水体的多参数检测，检测时，待测水体从流通孔2进入到外管3内并浸润外管3内的水质检测传感器4，水质检测传感器4检测水质参数并通过传输线缆10传输至上位机。
外管3的右侧端部设有后端盖8，后端盖8螺纹连接在外管3上，连接口设置在后端盖8的中部位置。
水质检测传感器4螺纹连接在传感器固定件5上，水质检测传感器4方便与传感器固定件5连接，同时也方便更换水质检测传感器4。水质检测传感器4与传感器固定件5连接的螺纹上设有第一防水圈11和第二防水圈12，第一防水圈11和第二防水圈12用于防水，从而避免外管3内的水进入到水质检测传感器4的电性部分，提高水质检测传感器4的工作可靠性。水质检测传感器4与传感器固定件5连接的端部设有轴向防水圈13，水质检测传感器4连接至传感器固定件5上时挤压轴向防水圈13，轴向防水圈13进一步提高防水效果。第一防水圈11、第二防水圈12和轴向防水圈13均由硅胶材质制成。
传输线缆10连接有对接头9，对接头9与连接口螺纹连接，传输线缆10通过对接头9与连接口连接，连接方便，对接头9方便从连接口上拆卸。
流通孔2沿着外管3的圆周方向均匀设置有四个，设置四个流通孔2方便外管3内外水体的交换，使检测结果更加准确。水质检测传感器4设有四个或六个，所述水质检测传感器4为余氯传感器、电导率传感器、PH传感器、ORP传感器、氨氮传感器、浊度传感器中的不同组合，水质传感器的端部自带螺纹，用于连接至传感器固定件5上。
在本发明的其他一些实施例中，外管3内位于连接口和传感器固定件5之间的位置设有单片机7，水质检测传感器4的信号输出端与单片机7连接，传输线缆10与单片机7连接，单片机7用于将水质检测传感器4的输出信号输出至传输线缆10。多个水质检测传感器4的输出信号传输至单片机7，经过单片机7转换成一路信号从传输线缆10输出，减少了线路。
以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (9)

  1. 一种多参数水质传感器，其特征在于，包括一个圆柱形的外管(3)，外管(3)内设有多个水质检测传感器(4)，多个水质检测传感器(4)通过传感器固定件(5)固定在外管(3)的内部，多个水质检测传感器(4)的信号输出端设置在同一侧，外管(3)的一端设置有连接口，连接口设有向外伸出的传输线缆(10)，传输线缆(10)用于传输水质检测传感器(4)的输出信号；外管(3)的另一端可拆卸连接有保护盖(1)，外管(3)侧壁靠近保护盖(1)的一端设有贯穿外管(3)侧壁的流通孔(2)。
  2. 根据权利要求1所述的多参数水质传感器，其特征在于，水质检测传感器(4)螺纹连接在传感器固定件(5)上。
  3. 根据权利要求2所述的多参数水质传感器，其特征在于，水质检测传感器(4)与传感器固定件(5)连接的螺纹上设有第一防水圈(11)和第二防水圈(12)。
  4. 根据权利要求2或3所述的多参数水质传感器，其特征在于，水质检测传感器(4)与传感器固定件(5)连接的端部设有轴向防水圈(13)。
  5. 根据权利要求1所述的多参数水质传感器，其特征在于，所述传输线缆(10)连接有对接头(9)，对接头(9)与连接口螺纹连接。
  6. 根据权利要求1或5所述的多参数水质传感器，其特征在于，外管(3)内位于连接口和传感器固定件(5)之间的位置设有单片机(7)，水质检测传感器(4)的信号输出端与单片机(7)连接，传输线缆(10)与单片机(7)连接，单片机(7)用于将水质检测传感器(4)的输出信号输出至传输线缆(10)。
  7. 根据权利要求1所述的多参数水质传感器，其特征在于，所述流通孔(2)沿着外管(3)的圆周方向均匀设置有四个。
  8. 根据权利要求1所述的多参数水质传感器，其特征在于，水质检测传感器(4)设有四个或六个。
  9. 根据权利要求8所述的多参数水质传感器，其特征在于，所述水质检测传感器(4)为余氯传感器、电导率传感器、PH传感器、ORP传感器、氨氮传感器、浊度传感器中的不同组合。
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