Acquisition device for quartz tube type photoelectrochemical detection

Abstract

The quartz tube type photoelectrochemical detection collecting device comprises a quartz tube, a circular quartz plate, a first fixing ring and a second fixing ring, one end of the quartz tube is in a closed state, the first fixing ring is arranged at a tube opening of the other end of the quartz tube, the circular quartz plate is arranged on the inner side of the first fixing ring, and the second fixing ring is arranged on the outer side of the circular quartz plate. The first fixing ring is in threaded connection with the second fixing ring, the round quartz plate is used for closing the other end of the quartz tube, so that a closed cavity is formed in the quartz tube, and the closed cavity is filled with electrolyte; two circular electrode through holes are formed in the top of the quartz tube and are respectively used for placing a reference electrode and an auxiliary electrode, a rectangular electrode through hole is formed in the top of the quartz tube, a fixing block is arranged at the bottom of an inner cavity of the quartz tube, and the device is compact in overall structure, small in size and convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of photoelectrochemical technology, in particular to a quartz tube type photoelectrochemical detection collection device. Background Art

[0002] Photoelectrochemistry is a branch of chemistry that combines photochemistry with electrochemistry to study the phenomena, laws and applications of redox reactions in the ground or excited states of molecules or ions. Existing photoelectrochemical detection mainly relies on light-emitting elements and electrochemical systems. The electrochemical system includes a reaction cell, a reference electrode, an auxiliary electrode and a working electrode. An electrolyte is injected into the reaction cell. The reference electrode is used to compare the potential of the working electrode. The auxiliary electrode is used to conduct current. The reference electrode and the auxiliary electrode form a polarization circuit. The reference electrode and the working electrode form a test circuit. The light-emitting element emits light to the working electrode. Under illumination, the working electrode and the electrolyte produce a chemical reaction. The test device then detects the potential difference between the reference electrode and the working electrode in the test circuit. During the whole process, the light flux irradiated on the working electrode is a very important parameter. If the external light source is not unique, the light flux irradiated on the working electrode will change, affecting the test accuracy, resulting in low accuracy and inconvenience in carrying traditional photoelectrochemical sensing detection. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a quartz tube type photoelectrochemical detection collection device in view of the above shortcomings.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A quartz tube type photoelectrochemical detection collection device, comprising a quartz tube, a circular quartz plate, a first fixing ring and a second fixing ring, wherein one end of the quartz tube is in a closed state, the first fixing ring is arranged at the tube mouth of the other end of the quartz tube, a circular quartz plate is arranged inside the first fixing ring, a second fixing ring is arranged outside the circular quartz plate, the first fixing ring is threadedly connected to the second fixing ring, the circular quartz plate is used to seal the other end of the quartz tube, so that a closed cavity is formed inside the quartz tube, and the closed cavity is filled with an electrolyte;

[0006] The top of the quartz tube is provided with two circular electrode through holes, which are used to place the reference electrode and the auxiliary electrode respectively. The top of the quartz tube is provided with a rectangular electrode through hole, which is parallel to the axis of the quartz tube and has a length not less than the diameter of the disc glass electrode.

[0007] The disk glass electrode is located inside the quartz tube and fixed perpendicularly to the axis of the quartz tube. A fixing block for fixing the disk glass electrode is provided at the bottom of the inner cavity of the quartz tube. The reference electrode, the auxiliary electrode and the top of the disk glass electrode are all electrically connected to an external photoelectrochemical test spectrometer through wires.

[0008] A cover body for closing the rectangular electrode through hole is arranged on the quartz tube, and a fixed base is arranged at the bottom of the quartz tube.

[0009] Furthermore, an annular gasket is provided on the inner side of the first fixing ring to contact the inner side of the circular quartz plate.

[0010] Furthermore, a fixing groove is provided on the fixing block.

[0011] Furthermore, the outer side of the quartz tube is covered with a full light-shielding film.

[0012] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0013] The utility model uses a quartz tube as a main body, cooperates with a light-transmitting circular quartz sheet, a first fixing ring and a second fixing ring, so that the device as a whole is easy to install, disassemble and clean, and the quartz tube has good chemical stability and is resistant to acid and alkali corrosion. By covering the outer side of the quartz tube with a full light-shielding film and arranging a cover body, the circular quartz sheet becomes the only light-transmitting opening of the quartz tube, so that the light flux and the light angle inside the quartz tube are constant, thereby improving the accuracy of photoelectrochemical detection; the utility model has a compact overall structure, a small size and is easy to carry.

[0014] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a cross-sectional view of the internal structure of the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This is a cross-sectional view of the quartz tube structure.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Quartz tube; 101. Circular electrode through hole; 102. Rectangular electrode through hole; 2. Circular quartz plate; 3. First fixing ring; 4. Second fixing ring; 5. Reference electrode; 6. Auxiliary electrode; 7. Disc glass electrode; 8. Fixing block; 9. Gasket; 10. Fixing groove; 11. Cover; 12. Fixing base. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0023] like Figure 1-4 As shown, a quartz tube type photoelectrochemical detection collection device comprises a quartz tube 1, a circular quartz plate 2, a first fixing ring 3 and a second fixing ring 4, wherein one end of the quartz tube 1 is in a closed state, and the other end of the quartz tube 1 is provided with a first fixing ring 3, a circular quartz plate 2 is provided inside the first fixing ring 3, and a second fixing ring 4 is provided outside the circular quartz plate 2, the first fixing ring 3 is threadedly connected with the second fixing ring 4, and the circular quartz plate 2 is used to seal the other end of the quartz tube 1, so that a closed cavity is formed inside the quartz tube 1, and the closed cavity is filled with an electrolyte;

[0024] The top of the quartz tube 1 is provided with two circular electrode through holes 101, which are used to place the reference electrode 5 and the auxiliary electrode 6 respectively. The top of the quartz tube 1 is provided with a rectangular electrode through hole 102, which is parallel to the axis of the quartz tube 1 and has a length not less than the diameter of the disc glass electrode 7.

[0025] The disk glass electrode 7 is located inside the quartz tube 1 and is fixed perpendicularly to the axis of the quartz tube 1. A fixing block 8 for fixing the disk glass electrode 7 is provided at the bottom of the inner cavity of the quartz tube 1. The reference electrode 5, the auxiliary electrode 6 and the top of the disk glass electrode 7 are all electrically connected to an external photoelectrochemical test spectrometer through wires.

[0026] The quartz tube 1 is provided with a cover 11 for closing the rectangular electrode through hole 102 , and the bottom of the quartz tube 1 is provided with a fixed base 12 .

[0027] As an implementation manner, an annular gasket 9 is disposed inside the first fixing ring 3 and contacts the inner side of the circular quartz plate 2 .

[0028] As an implementation manner, a fixing groove 10 is formed on the fixing block 8 .

[0029] As an implementation mode, the outer side of the quartz tube 1 is covered with a full light-shielding film.

[0030] In the utility model, the model of the photoelectrochemical testing spectrometer is Swiss Metrohm-SPELEC.

[0031] The working process of the utility model is as follows: firstly, the gasket 9 and the circular quartz plate 2 are placed on the inner side of the first fixing ring 3 in sequence, and then the second fixing ring 4 and the first fixing ring 3 are tightened by threads to fix the gasket 9 and the circular quartz plate 2, and then the electrolyte is filled into the inner side of the quartz tube 1 through the rectangular electrode through hole 102, and the electrolyte is prevented from flowing out through the gasket 9, and then the disc glass electrode 7 is placed into the inner side of the quartz tube 1 from the rectangular electrode through hole 102, and then the disc glass electrode 7 is rotated 90 degrees and placed on the inner side of the fixing groove 10 on the fixing block 8 for fixing, and then the cover 11 is covered, and then the reference electrode 5 and the auxiliary electrode 6 are placed on the inner sides of the two circular electrode through holes 101 respectively, and then the reference electrode 5, the auxiliary electrode 6 and the disc glass electrode 7 are electrically connected to the external photoelectrochemical test spectrometer, and finally the light emitted by the external light source is vertically irradiated on the circular quartz plate 2, and the irradiated light is vertically irradiated on the disc glass electrode 7 through the circular quartz plate 2, and finally the potential difference between the reference electrode 5 and the disc glass electrode 7 is tested by the external photoelectrochemical test spectrometer.

[0032] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A quartz tube type photoelectrochemical detection collection device, characterized in that: The invention comprises a quartz tube (1), a circular quartz plate (2), a first fixing ring (3) and a second fixing ring (4); one end of the quartz tube (1) is in a closed state; the other end of the quartz tube (1) is provided with the first fixing ring (3); the circular quartz plate (2) is provided inside the first fixing ring (3); the second fixing ring (4) is provided outside the circular quartz plate (2); the first fixing ring (3) and the second fixing ring (4) are threadedly connected; the circular quartz plate (2) is used to seal the other end of the quartz tube (1), so that a closed cavity is formed inside the quartz tube (1); the closed cavity is filled with electrolyte; The top of the quartz tube (1) is provided with two circular electrode through holes (101), the two circular electrode through holes (101) are used to place a reference electrode (5) and an auxiliary electrode (6) respectively, the top of the quartz tube (1) is provided with a rectangular electrode through hole (102), the rectangular electrode through hole (102) is parallel to the axis of the quartz tube (1) and has a length not less than the diameter of the disk glass electrode (7), The disk glass electrode (7) is located inside the quartz tube (1) and is fixed perpendicularly to the axis of the quartz tube (1); a fixing block (8) for fixing the disk glass electrode (7) is provided at the bottom of the inner cavity of the quartz tube (1); the reference electrode (5), the auxiliary electrode (6) and the top of the disk glass electrode (7) are all electrically connected to an external photoelectrochemical test spectrometer via wires; The quartz tube (1) is provided with a cover body (11) for closing the rectangular electrode through hole (102), and the bottom of the quartz tube (1) is provided with a fixed base (12).

2. A quartz tube type photoelectrochemical detection collection device according to claim 1, characterized in that: An annular gasket (9) is arranged inside the first fixing ring (3) and contacts the inside of the circular quartz plate (2).

3. A quartz tube type photoelectrochemical detection collection device according to claim 1, characterized in that: The fixing block (8) is provided with a fixing groove (10).

4. A quartz tube type photoelectrochemical detection collection device according to claim 1, characterized in that: The outer side of the quartz tube (1) is covered with a full light-shielding film.

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