Composite ion sensor

Abstract

The utility model discloses a combined type ion sensor which comprises a main body, an anti-bending sheath is installed at the upper position in the main body, a cable is arranged at the inner position of the anti-bending sheath, a reference electrode hole and a temperature hole are formed in the upper end position of an electrode support, and the temperature hole is communicated with the reference electrode hole. A reference electrode A is mounted in the reference electrode hole in an inserted manner, and an ion electrode A is mounted on the inner side of the electrode bracket. The device adopts a new structural design, the ion electrode, the reference electrode and the temperature sensor are integrated in one structure, so that the size of the sensor is effectively reduced; the core of the ion electrode is an ion selective membrane which can be directly screwed on a butt joint thread of the ion electrode through a thread, the reference electrode adopts a glass structure with the diameter of six millimeters and is directly fixed in a reference electrode hole through soft silica gel, and the temperature sensor adopts a metal structure with the diameter of three millimeters and is fixed in a temperature hole through soft silica gel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of composite ion sensor, specifically relates to a composite ion sensor. BACKGROUND

[0002] The composite ion sensor is a kind of sensor that can detect multiple ions or chemical substances simultaneously, usually composed of different sensitive materials and electrodes, which utilizes the selective adsorption or reaction of different ions on the electrode surface to generate measurable electrical signals, thereby realizing real-time monitoring of ion concentration in the environment, and is widely used in water quality monitoring, environmental protection, food safety and biomedical fields, and is valued for its high sensitivity and multifunctionality.

[0003] The standard ion electrode on the market usually adopts a 12mm diameter tube structure, and if a reference electrode and a temperature sensor are further matched, the overall size of the sensor will be relatively large, so a new device is needed to solve the current problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of composite ion sensor, to solve the above background technique proposed in the market standard ion electrode usually adopts 12mm diameter tube structure, if reference electrode and temperature sensor are further matched, the overall size of the sensor will be relatively large, so market needs a new device to solve the current problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of composite ion sensor, including main part, the inside upper position of the main part is installed with anti-bending sheath, the inside position of the anti-bending sheath is provided with cable, the inside position of the main part is installed with electrode support, the upper end position of the electrode support is provided with reference electrode hole and temperature hole, reference electrode A is insertedly installed at the inside position of the reference electrode hole, temperature sensor is insertedly installed at the inside position of the temperature hole, ion electrode A is installed at the inner side position of the electrode support, ion electrode butt joint screw thread is provided at the lower end position of the electrode support.

[0006] Preferably, the upper end position of the main body is provided with upper screw thread, and the lower end position of the main body is provided with lower screw thread.

[0007] Preferably, the main body is installed with sensor sheath at the lower end position through lower screw thread, and the sensor sheath is rotatably installed at the lower end position of the main body.

[0008] Preferably, a plurality of rubber frames are sleeved at the inner side position of the sensor sheath, and a protective net is arranged at the inner side position of the rubber frame.

[0009] Preferably, the rubber frame is inserted into the internal position of the sensor sheath, and closely fits with the inner wall of the sensor sheath.

[0010] Preferably, the ion electrode A is connected through the rotating ion electrode interface thread.

[0011] Preferably, the reference electrode A is inserted into the internal position of the reference electrode hole, and the temperature sensor is located at the internal position of the temperature hole.

[0012] Preferably, the anti-bending sheath wraps the cable at the internal position.

[0013] Compared with the prior art, the utility model provides a composite ion sensor, has the following beneficial effects:

[0014] The device adopts a new structure design, integrates the ion electrode, the reference electrode and the temperature sensor in one structure, effectively reduces the size of the sensor, the core of the ion electrode is the ion selection film, can be directly screwed on the ion electrode interface thread through the thread, the reference electrode adopts six millimeter diameter glass structure, is fixed in the reference electrode hole through the soft silica gel, the temperature sensor adopts three millimeter metal structure, is fixed in the temperature hole through the soft silica gel.

[0015] In order to prevent sundries from entering the internal position through the through hole of the sensor sheath, the device inserts the rubber frame into the internal position of the through hole, the rubber frame is closely attached to the inner wall position of the through hole, a protective net is arranged at the internal position of the rubber frame, the protective net can block impurities from entering the internal position, and does not affect ventilation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a composite ion sensor structure schematic view of the utility model.

[0017] Figure 2 It is a composite ion sensor ion electrode A structure schematic view of the utility model.

[0018] Figure 3 It is a composite ion sensor bottom structure schematic view of the utility model.

[0019] Figure 4 It is a composite ion sensor electrode support structure schematic view of the utility model.

[0020] In the figure: 1, main body; 2, upper thread; 3, anti-bending sheath; 4, cable; 5, sensor sheath; 6, lower thread; 7, temperature sensor; 8, reference electrode A; 9, ion electrode A; 10, electrode support; 11, reference electrode hole; 12, temperature hole; 13, ion electrode butt thread; 14, rubber frame; 15, protective net. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model in that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction. Therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances

[0024] The utility model provides a kind of composite ion sensor as shown in Figures 1-4 The utility model provides a kind of composite ion sensor as shown in Figure 1, including main body 1, the inside upper position of main body 1 is equipped with anti-bending sheath 3, the inside position of anti-bending sheath 3 is provided with cable 4, the inside position of main body 1 is equipped with electrode support 10, the upper end position of electrode support 10 is provided with reference electrode hole 11 and temperature hole 12, the inside position of reference electrode hole 11 is insertedly equipped with reference electrode A 8, the inside position of temperature hole 12 is insertedly equipped with temperature sensor 7, the inside position of electrode support 10 is equipped with ion electrode A 9, the lower end position of electrode support 10 is provided with ion electrode butt thread 13.

[0025] When the sensor is immersed in the liquid to be measured, the ion electrode A9 reacts selectively with the target ions, causing a change in the electrode surface potential, which is caused by the adsorption or desorption of ions on the electrode surface, the reference electrode A8 provides a stable reference potential as the measurement reference point, the potential change of the ion electrode A9 is compared with the potential of the reference electrode A8, forming a voltage signal, the temperature sensor 7 monitors the ambient temperature in real time and transmits the temperature data to the data processing unit, the temperature data is transmitted to the data processing unit by cable 4, and the signal is amplified and digitized, the potential difference signal of the reference electrode and the ion electrode is transmitted to the external signal processing unit. The signal processing unit will combine the temperature data provided by the temperature sensor 7 to correct and calculate the potential difference, and finally obtain the concentration of the target ions.

[0026] As shown in Figure 2 and Figure 4 The upper end of the main body 1 is provided with an upper thread 2, and the lower end of the main body 1 is provided with a lower thread 6. The sensor sheath 5 is installed at the lower end of the main body 1 through the lower thread 6. The sensor sheath 5 is rotatably installed at the lower end of the main body 1. A plurality of rubber frames 14 are sleeved at the inner side of the sensor sheath 5. The rubber frames 14 are tightly fitted with the inner wall of the sensor sheath 5. The ion electrode A9 is connected with the ion electrode docking thread 13 through rotation. The reference electrode A8 is inserted into the inner side of the reference electrode hole 11. The temperature sensor 7 is located at the inner side of the temperature hole 12. The cable 4 is wrapped in the inner side of the anti-bending sheath 3.

[0027] The ion electrode, the reference electrode and the temperature sensor 7 are integrated in one structure, effectively reducing the size of the sensor. The core of the ion electrode is an ion selective membrane, which can be directly screwed on the ion electrode docking thread 13 through the thread. The reference electrode adopts a six-millimeter diameter glass structure, which is directly fixed in the reference electrode hole 11 through soft silica gel. The temperature sensor 7 adopts a three-millimeter metal structure, which is fixed in the temperature hole 12 through soft silica gel.

[0028] Finally, it should be noted that the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A composite ion sensor, characterized by, The utility model provides an electrode protection device, including the main part (1), the inside upper position of main part (1) is installed with the anti-bending sheath (3), the inside position of anti-bending sheath (3) is provided with cable (4), the inside position of main part (1) is installed with electrode support (10), the upper end position of electrode support (10) is provided with reference electrode hole (11) and temperature hole (12), the inside position of reference electrode hole (11) is insertedly installed with reference electrode A (8), the inside position of temperature hole (12) is insertedly installed with temperature sensor (7), the inner side position of electrode support (10) is installed with ion electrode A (9), the lower end position of electrode support (10) is provided with ion electrode butt joint screw thread (13).

2. A composite ion sensor according to claim 1, characterised in that: The upper end position of the main body (1) is provided with an upper thread (2), and the lower end position of the main body (1) is provided with a lower thread (6).

3. A composite ion sensor according to claim 2, wherein: The main body (1) is installed with a sensor sheath (5) at the lower end position through the lower thread (6), and the sensor sheath (5) is rotatably installed at the lower end position of the main body (1).

4. A composite ion sensor according to claim 3, wherein: The inner side position of the sensor sheath (5) is sleeved with a plurality of rubber frames (14), and the inner side position of the rubber frame (14) is provided with a protective net (15).

5. A composite ion sensor according to claim 4, characterised in that: The rubber frame (14) is inserted into the inner position of the sensor sheath (5) and tightly fits with the inner wall of the sensor sheath (5).

6. The combined ion sensor of claim 1, wherein: The ion electrode A (9) is connected with the ion electrode butt joint screw thread (13) through rotation.

7. The combined ion sensor of claim 1, wherein: The reference electrode A (8) is inserted into the inner position of the reference electrode hole (11), and the temperature sensor (7) is located at the inner side position of the temperature hole (12).

8. The combined ion sensor of claim 1, wherein: The anti-bending sheath (3) wraps the cable (4) at the inner position.

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