阅读说明：本技术 一种多参数水质传感器 (Multi-parameter water quality sensor ) 是由 颜书法 杨洋 于 2019-12-16 设计创作，主要内容包括：本发明公开了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,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。本发明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。(The invention discloses a multi-parameter water quality sensor, which belongs to the technical field of water quality sensors and comprises a cylindrical outer pipe, wherein a plurality of water quality detection sensors are arranged in the outer pipe, the water quality detection sensors are fixed in the outer pipe through sensor fixing pieces, the signal output ends of the water quality detection sensors are arranged on the same side, one end of the outer pipe is provided with a connecting port, the connecting port is provided with a transmission cable extending outwards, and the transmission cable is used for transmitting output signals of the water quality detection sensors; 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, which is close to the protective cover, is provided with a circulation hole penetrating through the side wall of the outer tube. The invention has the advantages that a plurality of water quality detection sensors are integrated, the detection of various water quality parameters of the water body can be realized simultaneously, the integration level is high, and the volume is small.)

1. The multi-parameter water quality sensor is characterized by comprising a cylindrical outer pipe (3), wherein a plurality of water quality detection sensors (4) are arranged in the outer pipe (3), the water quality detection sensors (4) are fixed in the outer pipe (3) through sensor fixing pieces (5), signal output ends of the water quality detection sensors (4) are arranged on the same side, one end of the outer pipe (3) is provided with a connecting port, the connecting port is provided with a transmission cable (10) extending outwards, and the transmission cable (10) is used for transmitting output signals of the water quality detection sensors (4); the other end of the outer tube (3) is detachably connected with a protective cover (1), and one end of the side wall of the outer tube (3) close to the protective cover (1) is provided with a circulation hole (2) penetrating through the side wall of the outer tube (3).

2. A multiparameter water quality sensor according to claim 1, wherein the water quality detecting sensor (4) is screwed to the sensor fixing member (5).

3. The multiparameter water quality sensor according to claim 2, wherein a first waterproof ring (11) and a second waterproof ring (12) are provided on a screw thread connecting the water quality detection sensor (4) and the sensor fixing member (5).

4. A multiparameter water quality sensor according to claim 2 or 3, wherein an axial waterproof ring (13) is provided at the end of the water quality detection sensor (4) connected to the sensor fixing member (5).

5. A multiparameter water quality sensor according to claim 1, wherein the transmission cable (10) is connected to a docking head (9), and the docking head (9) is in threaded connection with a connection port.

6. The multiparameter water quality sensor according to claim 1 or 5, wherein a single chip microcomputer (7) is arranged at a position between the connecting port and the sensor fixing member (5) in the outer tube (3), a signal output end of the water quality detection sensor (4) is connected with the single chip microcomputer (7), the transmission cable (10) is connected with the single chip microcomputer (7), and the single chip microcomputer (7) is used for outputting an output signal of the water quality detection sensor (4) to the transmission cable (10).

7. A multiparameter water quality sensor according to claim 1, wherein four flow holes (2) are uniformly provided along the circumferential direction of the outer tube (3).

8. A multiparameter water quality sensor according to claim 1, wherein there are four or six water quality detection sensors (4).

9. Multiparameter water quality sensor according to claim 8, wherein 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.

Technical Field

The invention relates to the technical field of water quality sensors, in particular to a multi-parameter water quality sensor.

Background

The water quality sensor is used for detecting parameters such as oxygen content, pH value, salinity, dissolved oxygen, conductivity and the like in water, is mainly applied to the fields of riverways, oceans, aquaculture, environmental protection and the like, generally, one water quality sensor can only detect one water quality parameter, and when various parameters of water quality need to be detected, various different water quality sensors need to be configured, so that the detection is complicated, and time and labor are wasted.

In the market, various discrete sensors are integrated together to form a device for monitoring water quality, and the method has the following problems: 1. the discrete sensors are used, so that the assembly is troublesome, time and labor are wasted, more leads are needed, and various sensor protocols need to be debugged respectively; 2. the volume is large, the diameter exceeds 90mm, the weight is heavy, the process is complex, the aviation connectors are mostly adopted for butt joint, and the waterproofness is not high.

Disclosure of Invention

The invention provides a multi-parameter water quality sensor which has the advantages that a plurality of water quality detection sensors are integrated, the detection of various water quality parameters of a water body can be realized simultaneously, the integration level is high, and the volume is small.

The invention aims to realize the technical scheme that the multi-parameter water quality sensor comprises a cylindrical outer pipe, wherein a plurality of water quality detection sensors are arranged in the outer pipe, the water quality detection sensors are fixed in the outer pipe through sensor fixing pieces, the signal output ends of the water quality detection sensors are arranged on the same side, one end of the outer pipe is provided with a connecting port, the connecting port is provided with a transmission cable extending outwards, and the transmission cable is used for transmitting output signals of the water quality detection sensors; 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, which is close to the protective cover, is provided with a circulation hole penetrating through the side wall of the outer tube.

Through above-mentioned technical scheme, a plurality of water quality testing sensor integration are in the outer tube, and the output signal of a plurality of water quality testing sensor is followed the transmission cable output to realize simultaneously detecting the multi-parameter of water, during the detection, the water that awaits measuring enters into in the outer tube and soaks the water quality testing sensor in the outer tube from the runner hole, and water quality testing sensor detects the water quality parameter and transmits to the host computer through the transmission cable.

The invention is further arranged that the water quality detection sensor is in threaded connection with the sensor fixing piece.

Through the technical scheme, the water quality detection sensor is conveniently connected with the sensor fixing piece, and meanwhile, the water quality detection sensor is also conveniently replaced.

The invention is further provided that a first waterproof ring and a second waterproof ring are arranged on the thread connecting the water quality detection sensor and the sensor fixing piece.

Through above-mentioned technical scheme, waterproof circle of first waterproof circle and second is used for waterproof to avoid the water in the outer tube to enter into the electric property part of water quality testing sensor, improve the operational reliability of water quality testing sensor.

The invention is further provided that the end part of the water quality detection sensor connected with the sensor fixing piece is provided with an axial waterproof ring.

Through above-mentioned technical scheme, water quality testing sensor extrudees the waterproof circle of axial when being connected to on the sensor mounting, and the waterproof circle of axial further improves water-proof effects.

The invention is further arranged in that the transmission cable is connected with a butt joint, and the butt joint is in threaded connection with the connecting port.

Through above-mentioned technical scheme, the transmission cable passes through the butt joint and is connected with the connector, and it is convenient to be connected, and the butt joint is convenient to be dismantled from the connector.

The invention is further arranged in such a way that a single chip microcomputer is arranged in the outer pipe between the connecting port and the sensor fixing piece, the signal output end of the water quality detection sensor is connected with the single chip microcomputer, the transmission cable is connected with the single chip microcomputer, and the single chip microcomputer is used for outputting the output signal of the water quality detection sensor to the transmission cable.

Through above-mentioned technical scheme, the output signal transmission of a plurality of water quality testing sensor to the singlechip, convert signal output from the transmission cable all the way through the singlechip, reduced the circuit.

The invention is further provided that four circulation holes are uniformly arranged along the circumferential direction of the outer tube.

Through the technical scheme, the four circulation holes are arranged to facilitate the exchange of the water bodies inside and outside the outer pipe, so that the detection result is more accurate.

The invention is further provided that the water quality detection sensors are provided with four or six.

The invention is further set that the water quality detection sensor is different combinations of a residual chlorine sensor, a conductivity sensor, a PH sensor, an ORP sensor, an ammonia nitrogen sensor and a turbidity sensor.

In conclusion, the beneficial effects of the invention are as follows:

1. the multi-parameter detection of the water body is realized by integrating a plurality of water quality detection sensors into the outer pipe, so that the detection efficiency is improved;

2. the connecting end of the water quality detection sensor and the sensor fixing piece is provided with a first waterproof ring, a second waterproof ring and an axial waterproof ring to realize multiple waterproof functions, and the waterproof performance is good;

3. output signals of the water quality detection sensors are converged into a lead wire through the single chip microcomputer, and wiring is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present 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.

In the figure, 1, a protective cover; 2. a flow-through hole; 3. an outer tube; 4. a water quality detection sensor; 5. a sensor mount; 7. a single chip microcomputer; 8. a rear end cap; 9. a butt joint; 10. a transmission cable; 11. a first waterproof ring; 12. a second waterproof ring; 13. an axial waterproof ring.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings.